diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 2901 |
1 files changed, 2901 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..3d90a11 --- /dev/null +++ b/configure.ac @@ -0,0 +1,2901 @@ +## +## Configure template file for FRRouting. +## autoconf will generate a configure script. +## +## Copyright (c) 1996, 97, 98, 99, 2000 Kunihiro Ishiguro <kunihiro@zebra.org> +## Portions Copyright (c) 2003 Paul Jakma <paul@dishone.st> +## +AC_PREREQ([2.69]) + +AC_INIT([frr], [9.1], [https://github.com/frrouting/frr/issues]) +PACKAGE_URL="https://frrouting.org/" +AC_SUBST([PACKAGE_URL]) +PACKAGE_FULLNAME="FRRouting" +AC_SUBST([PACKAGE_FULLNAME]) + +CONFIG_ARGS="`echo $ac_configure_args | sed -e \"s% '[[A-Z]]*FLAGS=[[^']]\+'%%g\"`" +AC_SUBST([CONFIG_ARGS]) + +AC_CONFIG_SRCDIR([lib/zebra.h]) +AC_CONFIG_MACRO_DIR([m4]) +AC_CONFIG_AUX_DIR([m4/ac]) + +dnl ----------------------------------- +dnl Get hostname and other information. +dnl ----------------------------------- +AC_CANONICAL_BUILD() +AC_CANONICAL_HOST() + +AC_ARG_VAR([AR],[archiver command]) +AC_ARG_VAR([LD],[linker command]) +AC_ARG_VAR([OBJCOPY],[objcopy command]) +AC_ARG_VAR([OBJDUMP],[objdump command]) +AC_ARG_VAR([RANLIB],[ranlib command]) +AC_ARG_VAR([STRIP],[strip command]) + +hosttools_clippy="false" +build_clippy="true" + +dnl case 1: external clippy +if test -n "$with_clippy" -a "$with_clippy" != "no" -a "$with_clippy" != "yes"; then + if test "$enable_clippy_only" = "yes"; then + AC_MSG_ERROR([--enable-clippy-only does not make sense with --with-clippy]) + fi + + CLIPPY="$with_clippy" + build_clippy="false" + if test ! -x "$with_clippy"; then + AC_MSG_ERROR([clippy tool ($with_clippy) is not executable]) + fi + +dnl case 2: cross-compiling internal clippy +elif test "$host" != "$build"; then + if test "$srcdir" = "."; then + AC_MSG_ERROR([cross-compilation is only possible with builddir separate from srcdir or by building clippy separately and using the --with-clippy option. create a separate directory and run as .../path-to-frr/configure.]) + fi + test -d hosttools || mkdir hosttools + abssrc="`cd \"${srcdir}\"; pwd`" + + AC_MSG_NOTICE([...]) + AC_MSG_NOTICE([... cross-compilation: creating hosttools directory and self-configuring for build platform tools]) + AC_MSG_NOTICE([... use HOST_CPPFLAGS / HOST_CFLAGS / HOST_LDFLAGS if necessary]) + AC_MSG_NOTICE([...]) + + ( + for var in $ac_precious_vars; do + dnl special cases + case "$var" in + YACC|YFLAGS) continue;; + PYTHON*) retain=true;; + *) retain=false; + esac + + eval "hostvar=\"\${HOST_$var}\"" + eval "targetvar=\"\${$var}\"" + if test -n "$hostvar"; then + eval "$var='$hostvar'" + _AS_ECHO_LOG([host $var='$hostvar']) + elif $retain; then + _AS_ECHO_LOG([host retain $var='$targetvar']) + else + eval "unset $var" + _AS_ECHO_LOG([host unset $var]) + fi + done + cd hosttools + "${abssrc}/configure" "--host=$build" "--build=$build" "--enable-clippy-only" "--disable-nhrpd" "--disable-vtysh" + ) || exit 1 + + AC_MSG_NOTICE([...]) + AC_MSG_NOTICE([... cross-compilation: finished self-configuring for build platform tools]) + AC_MSG_NOTICE([...]) + + build_clippy="false" + hosttools_clippy="true" + CLIPPY="hosttools/lib/clippy" + +dnl case 3: normal build internal clippy +else + CLIPPY="lib/clippy\$(EXEEXT)" +fi +AC_SUBST([CLIPPY]) +AM_CONDITIONAL([BUILD_CLIPPY], [$build_clippy]) +AM_CONDITIONAL([HOSTTOOLS_CLIPPY], [$hosttools_clippy]) +AM_CONDITIONAL([ONLY_CLIPPY], [test "$enable_clippy_only" = "yes"]) + +# Disable portability warnings -- our automake code (in particular +# common.am) uses some constructs specific to gmake. +AM_INIT_AUTOMAKE([1.12 -Wno-portability foreign]) +m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])]) +AM_SILENT_RULES([yes]) +AC_CONFIG_HEADERS([config.h]) + +AC_PATH_PROG([PERL], [perl]) +PKG_PROG_PKG_CONFIG + +dnl default is to match previous behavior +pkgsrcrcdir="" +AC_ARG_ENABLE([pkgsrcrcdir], + AS_HELP_STRING([--enable-pkgsrcrcdir], + [specify directory for rc.d scripts]), + pkgsrcrcdir="$enableval",) +dnl XXX add --pkgsrcrcdir to autoconf standard directory list somehow +AC_SUBST([pkgsrcrcdir]) +AM_CONDITIONAL([PKGSRC], [test "$pkgsrcrcdir" != ""]) + +AC_ARG_WITH([moduledir], [AS_HELP_STRING([--with-moduledir=DIR], [module directory (${libdir}/frr/modules)])], [ + moduledir="$withval" +], [ + moduledir="\${libdir}/frr/modules" +]) +AC_SUBST([moduledir], [$moduledir]) + +AC_ARG_WITH([scriptdir], [AS_HELP_STRING([--with-scriptdir=DIR], [script directory (${sysconfdir}/scripts)])], [ + scriptdir="$withval" +], [ + scriptdir="\${sysconfdir}/scripts" +]) +AC_SUBST([scriptdir], [$scriptdir]) + +AC_ARG_WITH([yangmodelsdir], [AS_HELP_STRING([--with-yangmodelsdir=DIR], [yang models directory (${datarootdir}/yang)])], [ + yangmodelsdir="$withval" +], [ + yangmodelsdir="\${datarootdir}/yang" +]) +AC_SUBST([yangmodelsdir]) + +AC_ARG_WITH([vici-socket], [AS_HELP_STRING([--with-vici-socket=PATH], [vici-socket (/var/run/charon.vici)])], [ + vici_socket="$withval" +], [ + vici_socket="/var/run/charon.vici" +]) +AC_DEFINE_UNQUOTED([VICI_SOCKET], ["$vici_socket"], [StrongSWAN vici socket path]) + +AC_ARG_ENABLE(tcmalloc, + AS_HELP_STRING([--enable-tcmalloc], [Turn on tcmalloc]), +[case "${enableval}" in + yes) tcmalloc_enabled=true +LIBS="$LIBS -ltcmalloc_minimal" + ;; + no) tcmalloc_enabled=false ;; + *) AC_MSG_ERROR([bad value ${enableval} for --enable-tcmalloc]) ;; +esac],[tcmalloc_enabled=false]) + + +dnl Thanks autoconf, but we don't want a default -g -O2. We have our own +dnl flag determination logic. +CFLAGS="${CFLAGS:-}" + +dnl -------------------- +dnl Check CC and friends +dnl -------------------- +dnl note orig_cflags is also used further down +orig_cflags="$CFLAGS" +orig_cxxflags="$CXXFLAGS" +AC_LANG([C]) +AC_PROG_CC +AC_PROG_CPP +AC_PROG_CXX +AM_PROG_CC_C_O +dnl remove autoconf default "-g -O2" +CFLAGS="$orig_cflags" +CXXFLAGS="$orig_cxxflags" + +dnl Some special handling for ICC later on +if test "$CC" = "icc"; then + cc_is_icc="yes" +fi + +PKG_PROG_PKG_CONFIG + +dnl it's 2019, sed is sed. +SED=sed +AC_SUBST([SED]) + +dnl try and enable CFLAGS that are useful for FRR +dnl - specifically, options to control warnings + +AC_SUBST([AC_CFLAGS]) +AC_USE_SYSTEM_EXTENSIONS +AC_DEFUN([AC_C_FLAG], [{ + m4_pushdef([cachename],[m4_translit([frr_cv_$1],[ =-+/{}$],[________])]) + AC_CACHE_CHECK([[whether $CC supports $1]], cachename, [ + AC_LANG_PUSH([C]) + ac_c_flag_save="$CFLAGS" + CFLAGS="$CFLAGS $1" + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[$4]])], + [ + cachename=yes + ], [ + cachename=no + ]) + CFLAGS="$ac_c_flag_save" + AC_LANG_POP([C]) + ]) + if test "$cachename" = "yes"; then + m4_if([$3], [], [AC_CFLAGS="$AC_CFLAGS $1"], [$3]) + else + : + $2 + fi + m4_popdef([cachename]) +}]) + +AC_DEFUN([AC_LINK_IFELSE_FLAGS], [{ + AC_LANG_PUSH([C]) + ac_cflags_save="$CFLAGS" + ac_libs_save="$LIBS" + CFLAGS="$CFLAGS $1" + LIBS="$LIBS $2" + AC_LINK_IFELSE( + [$3], + [ + CFLAGS="$ac_cflags_save" + LIBS="$ac_libs_save" + m4_default([$5], [ + AC_MSG_RESULT([yes]) + ]) + ], [ + CFLAGS="$ac_cflags_save" + LIBS="$ac_libs_save" + m4_default([$4], [ + AC_MSG_RESULT([no]) + ]) + ]) + AC_LANG_POP([C]) + }]) + +dnl ICC won't bail on unknown options without -diag-error 10006 +dnl need to do this first so we get useful results for the other options +if test "$cc_is_icc" = "yes"; then + AC_C_FLAG([-diag-error 10006]) +fi + +dnl autoconf 2.69 AC_PROG_CC_C99 is "state of the art" +dnl autoconf 2.70 AC_PROG_CC_C99 is deprecated and AC_PROC_CC tries to do C11 +m4_if(m4_version_compare(m4_defn([AC_AUTOCONF_VERSION]), [2.70]), [-1], [dnl + dnl autoconf < 2.70 + AC_PROG_CC_C99 + + dnl AC_PROG_CC_C99 may change CC to include -std=gnu99 or something + ac_cc="$CC" + CC="${CC% -std=gnu99}" + CC="${CC% -std=c99}" + + AC_C_FLAG([-std=gnu11], [CC="$ac_cc"], [CC="$CC -std=gnu11"]) +], [ + dnl autoconf >= 2.70 + if test "$ac_cv_prog_cc_c11" = "no"; then + AC_MSG_ERROR([ISO C11 compiler support (with GNU extensions) is required.]) + fi +]) + +dnl if the user has specified any CFLAGS, override our settings +if test "$enable_gcov" = "yes"; then + if test "$orig_cflags" = ""; then + AC_C_FLAG([--coverage]) + AC_C_FLAG([-O0]) + fi + + AC_LDFLAGS="${AC_LDFLAGS} --coverage" +fi + +if test "$enable_clang_coverage" = "yes"; then + AC_C_FLAG([-fprofile-instr-generate], [ + AC_MSG_ERROR([$CC does not support -fprofile-instr-generate.]) + ]) + AC_C_FLAG([-fcoverage-mapping], [ + AC_MSG_ERROR([$CC does not support -fcoverage-mapping.]) + ]) +fi + +AM_CONDITIONAL([SCRIPTING], [test "$enable_scripting" = "yes"]) + +if test "$enable_scripting" = "yes"; then + AX_PROG_LUA([5.3], [5.4], [], [ + AC_MSG_ERROR([Lua 5.3 is required to build with Lua support. No other version is supported.]) + ]) + AX_LUA_HEADERS([], [ + AC_MSG_ERROR([Lua 5.3 headers are required to build with Lua support. No other version is supported.]) + ]) + PKG_CHECK_MODULES([LUA], [lua5.3], [ + AC_DEFINE([HAVE_SCRIPTING], [1], [Have support for scripting]) + LIBS="$LIBS $LUA_LIBS" + SCRIPTING=true + ], [ + AX_LUA_LIBS([ + AC_DEFINE([HAVE_SCRIPTING], [1], [Have support for scripting]) + LIBS="$LIBS $LUA_LIB" + SCRIPTING=true + ], [ + SCRIPTING=false + AC_MSG_ERROR([Lua 5.3 libraries are required to build with Lua support. No other version is supported.]) + ]) + ]) +fi + +dnl the following flags go in CFLAGS rather than AC_CFLAGS since they make +dnl sense to be overridden by the user +if test "$enable_dev_build" = "yes"; then + AC_DEFINE([DEV_BUILD], [1], [Build for development]) + if test "$orig_cflags" = ""; then + AC_C_FLAG([-O0],,[CFLAGS="$CFLAGS -O0"]) + AC_C_FLAG([-g3],,[CFLAGS="$CFLAGS -g3"]) + AC_C_FLAG([-ggdb3],,[CFLAGS="$CFLAGS -ggdb3"]) + fi +else + if test "$orig_cflags" = ""; then + AC_C_FLAG([-g],,[CFLAGS="$CFLAGS -g"]) + AC_C_FLAG([-O2],,[CFLAGS="$CFLAGS -O2"]) + fi +fi + +dnl just stick -g into LDFLAGS, if we don't have it in CFLAGS it won't do much +LDFLAGS="$LDFLAGS -g" + +AM_CONDITIONAL([DEV_BUILD], [test "$enable_dev_build" = "yes"]) + +dnl -fms-extensions causes clang to have a built-in __wchar_t on OpenBSD, +dnl which just straight up breaks compiling any code. +dnl (2022-04-04 / OpenBSD 7 / clang 11.1.0) +AH_VERBATIM([OpenBSD], [ +#ifdef __OpenBSD__ +#define __wchar_t __wchar_t_ignore +#include <stdint.h> +#undef __wchar_t +#endif +]) + +dnl always want these CFLAGS +AC_C_FLAG([-fms-extensions], [ + AC_MSG_ERROR([$CC does not support unnamed struct fields (-fms-extensions)]) +]) +AC_C_FLAG([-fno-omit-frame-pointer]) +AC_C_FLAG([-funwind-tables]) +AC_C_FLAG([-Wall]) +AC_C_FLAG([-Wextra]) +AC_C_FLAG([-Wformat-nonliteral]) +AC_C_FLAG([-Wformat-security]) +AC_C_FLAG([-Wswitch-enum]) +AC_C_FLAG([-Wstrict-prototypes]) +AC_C_FLAG([-Wmissing-prototypes]) +AC_C_FLAG([-Wmissing-declarations]) +AC_C_FLAG([-Wpointer-arith]) +AC_C_FLAG([-Wbad-function-cast]) +AC_C_FLAG([-Wwrite-strings]) +AC_C_FLAG([-Wundef]) +if test "$enable_gcc_ultra_verbose" = "yes" ; then + AC_C_FLAG([-Wcast-qual]) + AC_C_FLAG([-Wmissing-noreturn]) + AC_C_FLAG([-Wmissing-format-attribute]) + AC_C_FLAG([-Wunreachable-code]) + AC_C_FLAG([-Wpacked]) + AC_C_FLAG([-Wpadded]) + AC_C_FLAG([-Wshadow]) +else + AC_C_FLAG([-Wno-unused-result]) +fi +AC_C_FLAG([-Wno-unused-parameter]) +AC_C_FLAG([-Wno-missing-field-initializers]) + +AC_C_FLAG([-Wc++-compat], [], [CXX_COMPAT_CFLAGS="-Wc++-compat"]) +AC_SUBST([CXX_COMPAT_CFLAGS]) + +dnl ICC emits a broken warning for const char *x = a ? "b" : "c"; +dnl for some reason the string consts get 'promoted' to char *, +dnl triggering a const to non-const conversion warning. +if test "$cc_is_icc" = "yes"; then + AC_C_FLAG([-diag-disable 3179]) +fi + +if test "$enable_werror" = "yes" ; then + WERROR="-Werror" +fi +AC_SUBST([WERROR]) + +SAN_FLAGS="" +if test "$enable_address_sanitizer" = "yes"; then + AC_C_FLAG([-fsanitize=address], [ + AC_MSG_ERROR([$CC does not support Address Sanitizer.]) + ], [ + SAN_FLAGS="$SAN_FLAGS -fsanitize=address" + ]) +fi +if test "$enable_thread_sanitizer" = "yes"; then + AC_C_FLAG([-fsanitize=thread], [ + AC_MSG_ERROR([$CC does not support Thread Sanitizer.]) + ], [ + SAN_FLAGS="$SAN_FLAGS -fsanitize=thread" + ]) +fi +if test "$enable_memory_sanitizer" = "yes"; then + AC_C_FLAG([-fsanitize=memory -fPIE -pie], [ + AC_MSG_ERROR([$CC does not support Memory Sanitizer.]) + ], [ + SAN_FLAGS="$SAN_FLAGS -fsanitize=memory -fPIE -pie" + ]) +fi +if test "$enable_undefined_sanitizer" = "yes"; then + AC_C_FLAG([-fsanitize=undefined], [ + AC_MSG_ERROR([$CC does not support UndefinedBehaviorSanitizer.]) + ], [ + SAN_FLAGS="$SAN_FLAGS -fsanitize=undefined" + ]) +fi +AC_SUBST([SAN_FLAGS]) + +dnl frr-format.so +if test "$with_frr_format" != "no" -a "$with_frr_format" != "yes" -a -n "$with_frr_format"; then + AC_C_FLAG([-fplugin=${with_frr_format}], [ + AC_MSG_ERROR([specified frr-format plugin ($with_frr_format) does not work]) + ],,[ +#ifndef _FRR_ATTRIBUTE_PRINTFRR +#error plugin not loaded +#endif +#if _FRR_ATTRIBUTE_PRINTFRR < 0x10000 +#error plugin too old +#endif + ]) +elif test "$with_frr_format" = "no"; then + : #nothing +else + AC_C_FLAG([-fplugin=tools/gcc-plugins/frr-format.so],[ + AC_C_FLAG([-fplugin=frr-format],[ + if test "$with_frr_format" = "yes"; then + AC_MSG_ERROR([frr-format plugin requested but not found]) + fi + ],,[ +#ifndef _FRR_ATTRIBUTE_PRINTFRR +#error plugin not loaded +#endif +#if _FRR_ATTRIBUTE_PRINTFRR < 0x10000 +#error plugin too old +#endif + ]) + ],,[ +#ifndef _FRR_ATTRIBUTE_PRINTFRR +#error plugin not loaded +#endif +#if _FRR_ATTRIBUTE_PRINTFRR < 0x10000 +#error plugin too old +#endif + ]) +fi + +AC_MSG_CHECKING([whether linker supports __start/stop_section symbols]) +AC_LINK_IFELSE([AC_LANG_PROGRAM([[ +#include <stdio.h> +int __attribute__((section("secttest"))) var = 1; +extern int __start_secttest, __stop_secttest; +]], [[ + void *a = &var, *b = &__start_secttest, *c = &__stop_secttest; + printf("%p %p %p\n", a, b, c); +]])], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_SECTION_SYMS, 1, [have __start/stop_section symbols]) +], [ + AC_MSG_RESULT(no) +]) + +dnl ---------- +dnl Essentials +dnl ---------- + +AX_PTHREAD([ + CC="$PTHREAD_CC" + AC_CFLAGS="$AC_CFLAGS $PTHREAD_CFLAGS" + LIBS="$PTHREAD_LIBS $LIBS" +], [ + AC_MSG_FAILURE([This FRR version needs pthreads]) +]) + +orig_cflags="$CFLAGS" +CFLAGS="$CFLAGS $PTHREAD_CFLAGS" + +AC_SEARCH_LIBS([pthread_condattr_setclock], [], + [frr_cv_pthread_condattr_setclock=yes], + [frr_cv_pthread_condattr_setclock=no]) +if test "$frr_cv_pthread_condattr_setclock" = "yes"; then + AC_DEFINE([HAVE_PTHREAD_CONDATTR_SETCLOCK], [1], [Have pthread.h pthread_condattr_setclock]) +fi + +AC_CHECK_HEADERS([pthread_np.h],,, [ +#include <pthread.h> +]) +AC_CHECK_FUNCS([pthread_setname_np pthread_set_name_np pthread_getthreadid_np]) + +CFLAGS="$orig_cflags" + +dnl -------------- +dnl Check programs +dnl -------------- +AC_PROG_INSTALL +AC_PROG_LN_S +AC_CHECK_TOOL([AR], [ar]) + +dnl ------- +dnl libtool +dnl ------- +AC_ARG_ENABLE([static-bin], + AS_HELP_STRING([--enable-static-bin], [link binaries statically])) +LT_INIT +_LT_CONFIG_LIBTOOL([ + patch -N -i "${srcdir}/m4/libtool-whole-archive.patch" libtool >&AS_MESSAGE_LOG_FD || \ + AC_MSG_WARN([Could not patch libtool for static linking support. Loading modules into a statically linked daemon will fail.]) +dnl the -i option is not POSIX sed and the BSDs implement it differently +dnl cat'ing the output back instead of mv/cp keeps permissions on libtool intact + sed -e 's%func_warning "relinking%true #\0%' libtool > libtool.sed && cat libtool.sed > libtool + sed -e 's%func_warning "remember to run%true #\0%' libtool > libtool.sed && cat libtool.sed > libtool + sed -e 's%func_warning ".*has not been installed in%true #\0%' libtool > libtool.sed && cat libtool.sed > libtool + test -f libtool.sed && rm libtool.sed +]) +if test "$enable_static_bin" = "yes"; then + AC_LDFLAGS_EXEC="-static" + if test "$enable_static" != "yes"; then + AC_MSG_ERROR([The --enable-static-bin option must be combined with --enable-static.]) + fi +fi +if test "$enable_shared" != "yes"; then + AC_MSG_ERROR([FRR cannot be built with --disable-shared. If you want statically linked daemons, use --enable-shared --enable-static --enable-static-bin]) +fi +AC_SUBST([AC_LDFLAGS]) +AC_SUBST([AC_LDFLAGS_EXEC]) +AM_CONDITIONAL([STATIC_BIN], [test "$enable_static_bin" = "yes"]) + +dnl libtool, the repository of all knowledge related linkers, is too stupid to +dnl correctly tell the linker how to build modules. +if test -z "$module_cmds"; then + module_cmds="`echo \"$archive_cmds\" | sed -e 's%$wl-soname $wl$soname%%'`" +fi +if test -z "$module_expsym_cmds"; then + module_expsym_cmds="`echo \"$archive_expsym_cmds\" | sed -e 's%$wl-soname $wl$soname%%'`" +fi + +AC_ARG_ENABLE([rpath], + [AS_HELP_STRING([--enable-rpath], [set hardcoded rpaths in the executable @<:@default=yes@:>@])], + [], + [enable_rpath=yes]) + +dnl $AR and $RANLIB are set by LT_INIT above +AC_MSG_CHECKING([whether $AR supports D option]) +if $AR crD conftest.a >/dev/null 2>/dev/null; then + AC_MSG_RESULT([yes]) + dnl ARFLAGS is for automake, AR_FLAGS for libtool m-( + ARFLAGS="crD" + AR_FLAGS="crD" +else + AC_MSG_RESULT([no]) + ARFLAGS="cru" + AR_FLAGS="cru" +fi +AC_SUBST([ARFLAGS]) +AC_SUBST([AR_FLAGS]) + +AC_MSG_CHECKING([whether $RANLIB supports D option]) +if $RANLIB -D conftest.a >conftest.err 2>&1; then + if grep -q -- '-D' conftest.err; then + AC_MSG_RESULT([no]) + else + AC_MSG_RESULT([yes]) + RANLIB="$RANLIB -D" + fi +else + AC_MSG_RESULT([no]) +fi +AC_SUBST([RANLIB]) + +test -f conftest.err && rm conftest.err +test -f conftest.a && rm conftest.a + +dnl ---------------------- +dnl Packages configuration +dnl ---------------------- +if test -f config.version; then + . ./config.version +elif test -f "${srcdir}/config.version"; then + . "${srcdir}/config.version" +fi +AC_ARG_WITH([pkg-extra-version], + AS_HELP_STRING([--with-pkg-extra-version=VER], [add extra version field, for packagers/distributions]), [ + if test "$withval" = "no"; then + EXTRAVERSION= + else + EXTRAVERSION=$withval + fi +], []) +AC_ARG_WITH([pkg-git-version], + AS_HELP_STRING([--with-pkg-git-version], [add git information to MOTD and build version string]), + [ test "$withval" != "no" && with_pkg_git_version="yes" ]) +AC_ARG_WITH([clippy], + AS_HELP_STRING([--with-clippy=PATH], [use external clippy helper program])) +AC_ARG_WITH([vtysh_pager], + AS_HELP_STRING([--with-vtysh-pager=PAGER], [control what pager is compiled in as default]), + VTYSH_PAGER=$withval, VTYSH_PAGER="more") +AC_ARG_ENABLE([vtysh], + AS_HELP_STRING([--disable-vtysh], [do not build integrated vty shell for FRR])) +AC_ARG_ENABLE([doc], + AS_HELP_STRING([--disable-doc], [do not build docs])) +AC_ARG_ENABLE([doc-html], + AS_HELP_STRING([--enable-doc-html], [build HTML docs])) +AC_ARG_ENABLE([zebra], + AS_HELP_STRING([--disable-zebra], [do not build zebra daemon])) +AC_ARG_ENABLE([bgpd], + AS_HELP_STRING([--disable-bgpd], [do not build bgpd])) +AC_ARG_ENABLE([mgmtd], + AS_HELP_STRING([--disable-mgmtd], [do not build mgmtd])) +AC_ARG_ENABLE([mgmtd_local_validations], + AS_HELP_STRING([--enable-mgmtd-local-validations], [dev: unimplemented local validation])) +AC_ARG_ENABLE([ripd], + AS_HELP_STRING([--disable-ripd], [do not build ripd])) +AC_ARG_ENABLE([ripngd], + AS_HELP_STRING([--disable-ripngd], [do not build ripngd])) +AC_ARG_ENABLE([ospfd], + AS_HELP_STRING([--disable-ospfd], [do not build ospfd])) +AC_ARG_ENABLE([ospf6d], + AS_HELP_STRING([--disable-ospf6d], [do not build ospf6d])) +AC_ARG_ENABLE([ldpd], + AS_HELP_STRING([--disable-ldpd], [do not build ldpd])) +AC_ARG_ENABLE([nhrpd], + AS_HELP_STRING([--disable-nhrpd], [do not build nhrpd])) +AC_ARG_ENABLE([eigrpd], + AS_HELP_STRING([--disable-eigrpd], [do not build eigrpd])) +AC_ARG_ENABLE([babeld], + AS_HELP_STRING([--disable-babeld], [do not build babeld])) +AC_ARG_ENABLE([watchfrr], + AS_HELP_STRING([--disable-watchfrr], [do not build watchfrr])) +AC_ARG_ENABLE([isisd], + AS_HELP_STRING([--disable-isisd], [do not build isisd])) +AC_ARG_ENABLE([pimd], + AS_HELP_STRING([--disable-pimd], [do not build pimd])) +AC_ARG_ENABLE([pim6d], + AS_HELP_STRING([--disable-pim6d], [do not build pim6d])) +AC_ARG_ENABLE([pbrd], + AS_HELP_STRING([--disable-pbrd], [do not build pbrd])) +AC_ARG_ENABLE([sharpd], + AS_HELP_STRING([--enable-sharpd], [build sharpd])) +AC_ARG_ENABLE([staticd], + AS_HELP_STRING([--disable-staticd], [do not build staticd])) +AC_ARG_ENABLE([fabricd], + AS_HELP_STRING([--disable-fabricd], [do not build fabricd])) +AC_ARG_ENABLE([vrrpd], + AS_HELP_STRING([--disable-vrrpd], [do not build vrrpd])) +AC_ARG_ENABLE([pathd], + AS_HELP_STRING([--disable-pathd], [do not build pathd])) +AC_ARG_ENABLE([bgp-announce], + AS_HELP_STRING([--disable-bgp-announce], [turn off BGP route announcement])) +AC_ARG_ENABLE([bgp-vnc], + AS_HELP_STRING([--disable-bgp-vnc],[turn off BGP VNC support])) +AC_ARG_ENABLE([bgp-bmp], + AS_HELP_STRING([--disable-bgp-bmp],[turn off BGP BMP support])) +AC_ARG_ENABLE([snmp], + AS_HELP_STRING([--enable-snmp], [enable SNMP support for agentx])) +AC_ARG_ENABLE([config_rollbacks], + AS_HELP_STRING([--enable-config-rollbacks], [enable configuration rollbacks (requires sqlite3)])) +AC_ARG_ENABLE([confd], + AS_HELP_STRING([--enable-confd=ARG], [enable confd integration])) +AC_ARG_ENABLE([sysrepo], + AS_HELP_STRING([--enable-sysrepo], [enable sysrepo integration])) +AC_ARG_ENABLE([grpc], + AS_HELP_STRING([--enable-grpc], [enable the gRPC northbound plugin])) +AC_ARG_ENABLE([zeromq], + AS_HELP_STRING([--enable-zeromq], [enable ZeroMQ handler (libfrrzmq)])) +AC_ARG_ENABLE([lttng], + AS_HELP_STRING([--enable-lttng], [enable LTTng tracing])) +AC_ARG_ENABLE([usdt], + AS_HELP_STRING([--enable-usdt], [enable USDT probes])) +AC_ARG_WITH([libpam], + AS_HELP_STRING([--with-libpam], [use libpam for PAM support in vtysh])) +AC_ARG_ENABLE([ospfapi], + AS_HELP_STRING([--disable-ospfapi], [do not build OSPFAPI to access the OSPF LSA Database])) +AC_ARG_ENABLE([ospfclient], + AS_HELP_STRING([--disable-ospfclient], [do not build OSPFAPI client for OSPFAPI, + (this is the default if --disable-ospfapi is set)])) +AC_ARG_WITH([log_timestamp_precision], + AS_HELP_STRING([--with-log-timestamp-precision=ARG], [set startup log timestamp precision, ARG must be 0-12])) +AC_ARG_ENABLE([multipath], + AS_HELP_STRING([--enable-multipath=ARG], [enable multipath function, ARG must be digit])) +AC_ARG_WITH([service_timeout], + AS_HELP_STRING([--with-service-timeout=ARG], [set service timeout value (2 minutes by default), ARG must be digit])) +AC_ARG_ENABLE([user], + AS_HELP_STRING([--enable-user=USER], [user to run FRR suite as (default frr)])) +AC_ARG_ENABLE([group], + AS_HELP_STRING([--enable-group=GROUP], [group to run FRR suite as (default frr)])) +AC_ARG_ENABLE([vty_group], + AS_HELP_STRING([--enable-vty-group=ARG], [set vty sockets to have specified group as owner])) +AC_ARG_ENABLE([configfile_mask], + AS_HELP_STRING([--enable-configfile-mask=ARG], [set mask for config files])) +AC_ARG_ENABLE([logfile_mask], + AS_HELP_STRING([--enable-logfile-mask=ARG], [set mask for log files])) +AC_ARG_ENABLE([shell_access], + AS_HELP_STRING([--enable-shell-access], [Allow users to access shell/telnet/ssh])) +AC_ARG_ENABLE([realms], + AS_HELP_STRING([--enable-realms], [enable REALMS support under Linux])) +AC_ARG_ENABLE([rtadv], + AS_HELP_STRING([--disable-rtadv], [disable IPV6 router advertisement feature])) +AC_ARG_ENABLE([irdp], + AS_HELP_STRING([--disable-irdp], [disable IRDP server support in zebra (enabled by default if supported)])) +AC_ARG_ENABLE([capabilities], + AS_HELP_STRING([--disable-capabilities], [disable using POSIX capabilities])) +AC_ARG_ENABLE([gcc_ultra_verbose], + AS_HELP_STRING([--enable-gcc-ultra-verbose], [enable ultra verbose GCC warnings])) +AC_ARG_ENABLE([backtrace], + AS_HELP_STRING([--disable-backtrace], [disable crash backtraces (default autodetect)])) +AC_ARG_ENABLE([pcreposix], + AS_HELP_STRING([--enable-pcreposix], [enable using PCRE Posix libs for regex functions])) +AC_ARG_ENABLE([pcre2posix], + AS_HELP_STRING([--enable-pcre2posix], [enable using PCRE2 Posix libs for regex functions])) +AC_ARG_ENABLE([fpm], + AS_HELP_STRING([--enable-fpm], [enable Forwarding Plane Manager support])) +AC_ARG_ENABLE([werror], + AS_HELP_STRING([--enable-werror], [enable -Werror (recommended for developers only)])) +AC_ARG_ENABLE([cumulus], + AS_HELP_STRING([--enable-cumulus], [enable Cumulus Switch Special Extensions])) +AC_ARG_ENABLE([datacenter], + AS_HELP_STRING([--enable-datacenter], [enable Compilation for Data Center Extensions])) +AC_ARG_ENABLE([protobuf], + AS_HELP_STRING([--enable-protobuf], [Enable experimental protobuf support])) +AC_ARG_ENABLE([oldvpn_commands], + AS_HELP_STRING([--enable-oldvpn-commands], [Keep old vpn commands])) +AC_ARG_ENABLE([rpki], + AS_HELP_STRING([--enable-rpki], [enable RPKI prefix validation support])) +AC_ARG_ENABLE([clippy-only], + AS_HELP_STRING([--enable-clippy-only], [Only build clippy])) +AC_ARG_ENABLE([numeric_version], + AS_HELP_STRING([--enable-numeric-version], [Only numeric digits allowed in version (for Alpine)])) +AC_ARG_ENABLE([gcov], + AS_HELP_STRING([--enable-gcov], [Collect coverage information with gcov])) +AC_ARG_ENABLE([clang_coverage], + AS_HELP_STRING([--enable-clang-coverage], [Collect coverage information with Clang Coverage])) +AC_ARG_ENABLE([bfdd], + AS_HELP_STRING([--disable-bfdd], [do not build bfdd])) +AC_ARG_ENABLE([address-sanitizer], + AS_HELP_STRING([--enable-address-sanitizer], [enable AddressSanitizer support for detecting a wide variety of memory allocation and deallocation errors])) +AC_ARG_ENABLE([thread-sanitizer], + AS_HELP_STRING([--enable-thread-sanitizer], [enable ThreadSanitizer support for detecting data races])) +AC_ARG_ENABLE([memory-sanitizer], + AS_HELP_STRING([--enable-memory-sanitizer], [enable MemorySanitizer support for detecting uninitialized memory reads])) +AC_ARG_ENABLE([undefined-sanitizer], + AS_HELP_STRING([--enable-undefined-sanitizer], [enable UndefinedBehaviorSanitizer support for detecting undefined behavior])) +AC_ARG_WITH([crypto], + AS_HELP_STRING([--with-crypto=<internal|openssl>], [choose between different implementations of cryptographic functions(default value is --with-crypto=internal)])) +AC_ARG_WITH([frr-format], + AS_HELP_STRING([--with-frr-format[=<.../frr-format.so>]], [use frr-format GCC plugin])) + +AC_ARG_ENABLE([version-build-config], + AS_HELP_STRING([--disable-version-build-config], [do not include build configs in show version command])) + +#if openssl, else use the internal +AS_IF([test "$with_crypto" = "openssl"], [ +AC_CHECK_LIB([crypto], [EVP_DigestInit], [LIBS="$LIBS -lcrypto"], [], []) +if test "$ac_cv_lib_crypto_EVP_DigestInit" = "no"; then + AC_MSG_ERROR([build with openssl has been specified but openssl library was not found on your system]) +else + AC_DEFINE([CRYPTO_OPENSSL], [1], [Compile with openssl support]) +fi +], [test "$with_crypto" = "internal" || test "$with_crypto" = "" ], [AC_DEFINE([CRYPTO_INTERNAL], [1], [Compile with internal cryptographic implementation]) +], [AC_MSG_ERROR([Unknown value for --with-crypto])] +) + +AS_IF([test "$enable_clippy_only" != "yes"], [ +AC_CHECK_HEADERS([json-c/json.h]) +AC_CHECK_LIB([json-c], [json_object_get], [LIBS="$LIBS -ljson-c"], [], [-lm]) +if test "$ac_cv_lib_json_c_json_object_get" = "no"; then + AC_CHECK_LIB([json], [json_object_get], [LIBS="$LIBS -ljson"]) + if test "$ac_cv_lib_json_json_object_get" = "no"; then + AC_MSG_ERROR([libjson is needed to compile]) + fi +fi +]) + +AC_ARG_ENABLE([ccls], +AS_HELP_STRING([--enable-ccls], [Write .ccls config for this build])) + +AC_ARG_ENABLE([dev_build], + AS_HELP_STRING([--enable-dev-build], [build for development])) + +AC_ARG_ENABLE([scripting], + AS_HELP_STRING([--enable-scripting], [Build with scripting support])) + +AC_ARG_ENABLE([netlink-debug], + AS_HELP_STRING([--disable-netlink-debug], [don't pretty print netlink debug messages])) + +if test "$enable_netlink_debug" != "no" ; then + AC_DEFINE([NETLINK_DEBUG], [1], [Netlink extra debugging code]) +fi + +AM_CONDITIONAL([NETLINK_DEBUG], [test "$enable_netlink_debug" != "no"]) + +if test "$enable_datacenter" = "yes" ; then + AC_DEFINE([HAVE_DATACENTER], [1], [Compile extensions for a DataCenter]) + DFLT_NAME="datacenter" +else + DFLT_NAME="traditional" +fi + +if test "$enable_cumulus" = "yes" ; then + AC_DEFINE([HAVE_CUMULUS], [1], [Compile Special Cumulus Code in]) +fi + +AC_SUBST([DFLT_NAME]) +AC_DEFINE_UNQUOTED([DFLT_NAME], ["$DFLT_NAME"], [Name of the configuration default set]) + +if test "$enable_shell_access" = "yes"; then + AC_DEFINE([HAVE_SHELL_ACCESS], [1], [Allow user to use ssh/telnet/bash, be aware this is considered insecure]) +fi + +# +# Python for clippy +# + +AS_IF([test "$host" = "$build"], [ + AM_PATH_PYTHON([3]) + AC_CHECK_HEADER([gelf.h], [], [ + AC_MSG_ERROR([libelf headers are required for building clippy. (Host only when cross-compiling.)]) + ]) + + LIBS_save="$LIBS" + AC_CHECK_LIB([elf], [elf_memory], [], [ + AC_MSG_ERROR([libelf is required for building clippy. (Host only when cross-compiling.)]) + ]) + + AC_CHECK_LIB([elf], [elf_getdata_rawchunk], [ + AC_DEFINE([HAVE_ELF_GETDATA_RAWCHUNK], [1], [Have elf_getdata_rawchunk()]) + ]) + AC_CHECK_LIB([elf], [gelf_getnote], [ + AC_DEFINE([HAVE_GELF_GETNOTE], [1], [Have gelf_getnote()]) + ]) + LIBS="$LIBS_save" + unset LIBS_save + + FRR_PYTHON_DEV +], [ + FRR_PYTHON +]) + +FRR_PYTHON_MODULES([pytest]) + +if test "$enable_doc" != "no"; then + FRR_PYTHON_MODULES([sphinx], , [ + if test "$enable_doc" = "yes"; then + AC_MSG_ERROR([Documentation was explicitly requested with --enable-doc but sphinx is not available for $PYTHON. Please disable docs or install sphinx.]) + fi + ]) +fi +AM_CONDITIONAL([DOC], [test "$enable_doc" != "no" -a "$frr_py_mod_sphinx" != "false"]) +AM_CONDITIONAL([DOC_HTML], [test "$enable_doc_html" = "yes"]) + +FRR_PYTHON_MOD_EXEC([sphinx], [--version], [ + PYSPHINX="-m sphinx" +], [ + PYSPHINX="-c 'import sys; from sphinx import main; sys.exit(main(sys.argv))'" +]) +AC_SUBST([PYSPHINX]) + +# +# Logic for old vpn commands support. +# +if test "$enable_oldvpn_commands" = "yes"; then + AC_DEFINE([KEEP_OLD_VPN_COMMANDS], [1], [Define for compiling with old vpn commands]) +fi + +AC_MSG_CHECKING([if zebra should be configurable to send Route Advertisements]) +if test "$enable_rtadv" != "no"; then + AC_MSG_RESULT([yes]) + AC_DEFINE([HAVE_RTADV], [1], [Enable IPv6 Routing Advertisement support]) +else + AC_MSG_RESULT([no]) +fi + +if test "$enable_user" = "no"; then + enable_user="" +else + if test "$enable_user" = "yes" || test "$enable_user" = ""; then + enable_user="frr" + fi + AC_DEFINE_UNQUOTED([FRR_USER], ["${enable_user}"], [frr User]) +fi + +if test "$enable_group" = "no"; then + enable_group="" +else + if test "$enable_group" = "yes" || test "$enable_group" = ""; then + enable_group="frr" + fi + AC_DEFINE_UNQUOTED([FRR_GROUP], ["${enable_group}"], [frr Group]) +fi + +if test "$enable_vty_group" = "yes" ; then + AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes]) +elif test "$enable_vty_group" != ""; then + if test "$enable_vty_group" != "no"; then + AC_DEFINE_UNQUOTED([VTY_GROUP], ["${enable_vty_group}"], [VTY Sockets Group]) + fi +fi +AC_SUBST([enable_user]) +AC_SUBST([enable_group]) +AC_SUBST([enable_vty_group]) + +enable_configfile_mask=${enable_configfile_mask:-0600} +AC_DEFINE_UNQUOTED([CONFIGFILE_MASK], [${enable_configfile_mask}], [Mask for config files]) +AC_SUBST([enable_configfile_mask]) + +enable_logfile_mask=${enable_logfile_mask:-0600} +AC_DEFINE_UNQUOTED([LOGFILE_MASK], [${enable_logfile_mask}], [Mask for log files]) + +MPATH_NUM=16 + +case "${enable_multipath}" in + 0) + MPATH_NUM=64 + ;; + [[1-9]|[1-9][0-9]|[1-9][0-9][0-9]]) + MPATH_NUM="${enable_multipath}" + ;; + "") + ;; + *) + AC_MSG_FAILURE([Please specify digit to enable multipath ARG]) + ;; +esac + +AC_DEFINE_UNQUOTED([MULTIPATH_NUM], [$MPATH_NUM], [Maximum number of paths for a route]) + +case "${with_log_timestamp_precision}" in +[[0-9]|1[012]]) +;; +"") +;; +*) +AC_MSG_FAILURE([Please specify a number from 0-12 for log precision ARG]) +;; +esac +with_log_timestamp_precision=${with_log_timestamp_precision:-0} +AC_DEFINE_UNQUOTED([LOG_TIMESTAMP_PRECISION], [${with_log_timestamp_precision}], [Startup zlog timestamp precision]) + +AC_DEFINE_UNQUOTED([VTYSH_PAGER], ["$VTYSH_PAGER"], [What pager to use]) + +TIMEOUT_MIN=2 +case "${with_service_timeout}" in + [[1-9]|[1-9][0-9]|[1-9][0-9][0-9]]) + TIMEOUT_MIN="${with_service_timeout}" + ;; + 0|"") + ;; + *) + AC_MSG_FAILURE([Please specify digit for timeout ARG]) + ;; +esac +AC_SUBST([TIMEOUT_MIN]) + +dnl -------------------- +dnl Enable code coverage +dnl -------------------- +AM_CONDITIONAL([HAVE_GCOV], [test "$enable_gcov" != "no"]) + +dnl ------------------------------------ +dnl Alpine only accepts numeric versions +dnl ------------------------------------ +if test "$enable_numeric_version" != "" ; then + VERSION="`echo ${VERSION} | tr -c -d '[[.0-9]]'`" + PACKAGE_VERSION="`echo ${PACKAGE_VERSION} | tr -c -d '[[.0-9]]'`" +fi + +dnl ----------------------------------- +dnl Add extra version string to package +dnl name, string and version fields. +dnl ----------------------------------- +if test "$EXTRAVERSION" != "" ; then + VERSION="${VERSION}${EXTRAVERSION}" + PACKAGE_VERSION="${PACKAGE_VERSION}${EXTRAVERSION}" + AC_SUBST(PACKAGE_EXTRAVERSION, ["${EXTRAVERSION}"]) + PACKAGE_STRING="${PACKAGE_STRING}${EXTRAVERSION}" +fi +AC_SUBST([EXTRAVERSION]) + +if test "$with_pkg_git_version" = "yes"; then + if test -e "${srcdir}/.git"; then + AC_DEFINE([GIT_VERSION], [1], [include git version info]) + else with_pkg_git_version="no" + AC_MSG_WARN([--with-pkg-git-version given, but this is not a git checkout]) + fi +fi +AM_CONDITIONAL([GIT_VERSION], [test "$with_pkg_git_version" = "yes"]) + +AC_CHECK_TOOL([OBJCOPY], [objcopy], [:]) +if test "$OBJCOPY" != ":"; then + AC_CACHE_CHECK([for .interp value to use], [frr_cv_interp], [ + frr_cv_interp="" + AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])], [ + if $OBJCOPY -j.interp -Obinary conftest conftest.interp; then + frr_cv_interp="`xargs -0 echo < conftest.interp`" + fi + test -f conftest.interp && rm conftest.interp + ]) + ]) +fi +if test -n "$frr_cv_interp"; then + AC_DEFINE_UNQUOTED([INTERP], ["$frr_cv_interp"], [.interp value]) +fi + +dnl ------------------------- +dnl Check other header files. +dnl ------------------------- +AC_CHECK_HEADERS([stropts.h sys/ksym.h \ + linux/version.h asm/types.h endian.h sys/endian.h]) + +ac_stdatomic_ok=false +AC_DEFINE([FRR_AUTOCONF_ATOMIC], [1], [did autoconf checks for atomic funcs]) +AC_CHECK_HEADER([stdatomic.h],[ + + AC_MSG_CHECKING([whether _Atomic qualifier works]) + AC_LINK_IFELSE([AC_LANG_SOURCE([[ +#include <stdatomic.h> +int main(int argc, char **argv) { + _Atomic int i = 0; + return i; +} +]])], [ + AC_DEFINE([HAVE_STDATOMIC_H], [1], [found stdatomic.h]) + AC_MSG_RESULT([yes]) + ac_stdatomic_ok=true + ], [ + AC_MSG_RESULT([no]) + ]) +]) + +AS_IF([$ac_stdatomic_ok], [true], [ + AC_MSG_CHECKING([for __atomic_* builtins]) + AC_LINK_IFELSE([AC_LANG_SOURCE([[ +int main(int argc, char **argv) { + volatile int i = 1; + __atomic_store_n (&i, 0, __ATOMIC_RELEASE); + return __atomic_load_n (&i, __ATOMIC_ACQUIRE); +} +]])], [ + AC_DEFINE([HAVE___ATOMIC], [1], [found __atomic builtins]) + AC_MSG_RESULT([yes]) + ], [ + AC_MSG_RESULT([no]) + + dnl FreeBSD 9 has a broken stdatomic.h where _Atomic doesn't work + AC_MSG_CHECKING([for __sync_* builtins]) + AC_LINK_IFELSE([AC_LANG_SOURCE([[ +int main(int argc, char **argv) { + volatile int i = 1; + __sync_fetch_and_sub (&i, 1); + return __sync_val_compare_and_swap (&i, 0, 1); +} +]])], [ + AC_DEFINE([HAVE___SYNC], [1], [found __sync builtins]) + AC_MSG_RESULT([yes]) + + AC_MSG_CHECKING([for __sync_swap builtin]) + AC_LINK_IFELSE([AC_LANG_SOURCE([[ +int main(int argc, char **argv) { + volatile int i = 1; + return __sync_swap (&i, 2); +} +]])], [ + AC_DEFINE([HAVE___SYNC_SWAP], 1, [found __sync_swap builtin]) + AC_MSG_RESULT([yes]) + ], [ + AC_MSG_RESULT([no]) + ]) + + ], [ + AC_MSG_RESULT([no]) + AC_MSG_FAILURE([stdatomic.h unavailable and $CC has neither __atomic nor __sync builtins]) + ]) + ]) +]) + +needsync=true + +AS_IF([$needsync], [ + dnl Linux + AC_MSG_CHECKING([for Linux futex() support]) + AC_LINK_IFELSE([AC_LANG_PROGRAM([ +#ifndef _GNU_SOURCE +#define _GNU_SOURCE +#endif +#include <unistd.h> +#include <limits.h> +#include <sys/time.h> +#include <sys/syscall.h> +#include <linux/futex.h> + +int main(void); +], +[ +{ + return syscall(SYS_futex, NULL, FUTEX_WAIT, 0, NULL, NULL, 0); +} +])], [ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_SYNC_LINUX_FUTEX,,Have Linux futex support) + needsync=false + ], [ + AC_MSG_RESULT([no]) + ]) +]) + +AS_IF([$needsync], [ + dnl FreeBSD + AC_MSG_CHECKING([for FreeBSD _umtx_op() support]) + AC_LINK_IFELSE([AC_LANG_PROGRAM([ +#include <errno.h> +#include <stdlib.h> +#include <sys/types.h> +#include <sys/umtx.h> +int main(void); +], +[ +{ + return _umtx_op(NULL, UMTX_OP_WAIT_UINT, 0, NULL, NULL); +} +])], [ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_SYNC_UMTX_OP,,Have FreeBSD _umtx_op() support) + needsync=false + ], [ + AC_MSG_RESULT([no]) + ]) +]) + +AS_IF([$needsync], [ + dnl OpenBSD patch (not upstream at the time of writing this) + dnl https://marc.info/?l=openbsd-tech&m=147299508409549&w=2 + AC_MSG_CHECKING([for OpenBSD futex() support]) + AC_LINK_IFELSE([AC_LANG_PROGRAM([ +#include <sys/futex.h> +int main(void); +], +[ +{ + return futex(NULL, FUTEX_WAIT, 0, NULL, NULL, 0); +} +])], [ + AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_SYNC_OPENBSD_FUTEX,,Have OpenBSD futex support) + needsync=false + ], [ + AC_MSG_RESULT([no]) + ]) +]) + +dnl Utility macro to avoid retyping includes all the time +m4_define([FRR_INCLUDES], +[#ifdef SUNOS_5 +#define _POSIX_C_SOURCE 200809L +#define __EXTENSIONS__ +#endif +#include <stdio.h> +#include <stdlib.h> +#include <stddef.h> +#include <sys/types.h> +/* sys/conf.h depends on param.h on FBSD at least */ +#include <sys/param.h> +/* Required for MAXSIG */ +#include <signal.h> +#include <sys/socket.h> +#ifdef __APPLE__ +# define __APPLE_USE_RFC_3542 +#endif +#include <netinet/in.h> +#include <sys/time.h> +#include <time.h> +#include <net/if.h> +])dnl + +dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and +dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence +dnl an additional round for it. + +AC_CHECK_HEADERS([net/if_var.h], [], [], [FRR_INCLUDES]) + +m4_define([FRR_INCLUDES], +FRR_INCLUDES +[#ifdef HAVE_NET_IF_VAR_H +# include <net/if_var.h> +#endif +])dnl + +AC_CHECK_HEADERS([netinet/in_var.h \ + net/if_dl.h net/netopt.h \ + inet/nd.h netinet/ip_icmp.h \ + sys/sysctl.h sys/sockio.h sys/conf.h], + [], [], [FRR_INCLUDES]) + +AC_CHECK_HEADERS([ucontext.h], [], [], +[#ifndef __USE_GNU +#define __USE_GNU +#endif /* __USE_GNU */ +FRR_INCLUDES +]) + +m4_define([UCONTEXT_INCLUDES], +[#include <ucontext.h>])dnl + +AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.uc_regs], + [], [], [UCONTEXT_INCLUDES]) +AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs], + [AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs.nip], + [], [], [UCONTEXT_INCLUDES])], + [], [UCONTEXT_INCLUDES]) +AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.gregs], + [], [], [UCONTEXT_INCLUDES]) + +m4_define([FRR_INCLUDES], +FRR_INCLUDES +[ +#include <sys/un.h> +#include <netinet/in_systm.h> +#ifdef HAVE_NETINET_IN_VAR_H +# include <netinet/in_var.h> +#endif +#ifdef HAVE_NET_IF_DL_H +# include <net/if_dl.h> +#endif +#ifdef HAVE_NET_NETOPT_H +# include <net/netopt.h> +#endif +#include <net/route.h> +#ifdef HAVE_INET_ND_H +# include <inet/nd.h> +#endif +#include <arpa/inet.h> +/* Required for IDRP */ +#ifdef HAVE_NETINET_IP_ICMP_H +# include <netinet/ip_icmp.h> +#endif +])dnl + +dnl V6 headers are checked below, after we check for v6 + +is_linux=false + +AC_MSG_CHECKING([which operating system interface to use]) +case "$host_os" in + sunos* | solaris2*) + AC_MSG_FAILURE([Solaris support has been removed please see versions prior or equal to 7.5]) + ;; + linux*) + AC_MSG_RESULT([Linux]) + + AC_DEFINE([GNU_LINUX], [1], [GNU Linux]) + AC_DEFINE([HAVE_NETLINK], [1], [netlink]) + AC_DEFINE([LINUX_IPV6], [1], [Linux IPv6 stack]) + + dnl Linux has a compilation problem with mixing + dnl netinet/in.h and linux/in6.h they are not + dnl compatible. There has been discussion on + dnl how to fix it but no real progress on implementation + dnl when they fix it, remove this + AC_DEFINE([IPV6_MINHOPCOUNT], [73], [Linux ipv6 Min Hop Count]) + + is_linux=true + ;; + openbsd*) + AC_MSG_RESULT([OpenBSD]) + + AC_DEFINE([OPEN_BSD], [1], [OpenBSD]) + AC_DEFINE([KAME], [1], [KAME IPv6]) + AC_DEFINE([BSD_V6_SYSCTL], [1], [BSD v6 sysctl to turn on and off forwarding]) + ;; + *) + AC_MSG_RESULT([BSD]) + + AC_DEFINE([HAVE_NET_RT_IFLIST], [1], [NET_RT_IFLIST]) + AC_DEFINE([KAME], [1], [KAME IPv6]) + AC_DEFINE([BSD_V6_SYSCTL], [1], [BSD v6 sysctl to turn on and off forwarding]) + ;; +esac +AM_CONDITIONAL([LINUX], [${is_linux}]) + +AC_SYS_LARGEFILE + +dnl ------------------------ +dnl Integrated REALMS option +dnl ------------------------ +if test "$enable_realms" = "yes"; then + case "$host_os" in + linux*) + AC_DEFINE([SUPPORT_REALMS], [1], [Realms support]) + ;; + *) + echo "Sorry, only Linux has REALMS support" + exit 1 + ;; + esac +fi + +dnl --------------- +dnl other functions +dnl --------------- +AC_CHECK_FUNCS([ \ + strlcat strlcpy \ + getgrouplist \ + openat \ + unlinkat \ + posix_fallocate \ + sendmmsg \ + explicit_bzero \ + ]) + +AC_CHECK_MEMBERS([struct mmsghdr.msg_hdr], [], [], FRR_INCLUDES) + +dnl ########################################################################## +dnl LARGE if block spans a lot of "configure"! +if test "$enable_clippy_only" != "yes"; then +dnl ########################################################################## + +# +# Logic for protobuf support. +# +PROTO3=false +# Enable Protobuf by default at all times. +# Check for protoc & protoc-c +# protoc is not required, it's only for a "be nice" helper target +AC_CHECK_PROGS([PROTOC], [protoc], [/bin/false]) + +AC_CHECK_PROGS([PROTOC_C], [protoc-c], [/bin/false]) +if test "$PROTOC_C" = "/bin/false"; then + AC_MSG_FAILURE([protobuf requested but protoc-c not found. Install protobuf-c.]) +fi + +PKG_CHECK_MODULES([PROTOBUF_C], [libprotobuf-c >= 1.1.0],, [ + AC_MSG_FAILURE([minimum version (1.1.0) of libprotobuf-c not found. Install minimum required version of protobuf-c.]) +]) + +if test "$enable_protobuf3" = "yes"; then + PROTO3=true + AC_CHECK_HEADER([google/protobuf-c/protobuf-c.h], + [AC_CHECK_DECLS(PROTOBUF_C_LABEL_NONE, + AC_DEFINE([HAVE_PROTOBUF_VERSION_3], + [1], [Have Protobuf version 3]), + [PROTO3=false], + [#include <google/protobuf-c/protobuf-c.h>])], + [PROTO3=false && AC_MSG_FAILURE([protobuf3 requested but protobuf-c.h not found. Install protobuf-c.])]) +fi + +if test "$enable_protobuf" != "no"; then + AC_DEFINE([HAVE_PROTOBUF], [1], [protobuf]) +fi +# +# End of logic for protobuf support. +# + + +dnl --------------------- +dnl Integrated VTY option +dnl --------------------- +case "${enable_vtysh}" in +"no") + VTYSH="";; +*) + VTYSH="vtysh"; + AC_DEFINE([VTYSH], [1], [VTY shell]) + + prev_libs="$LIBS" + AC_CHECK_LIB([readline], [readline], [ + LIBREADLINE="-lreadline" + ], [ + dnl readline failed - it might be incorrectly linked and missing its + dnl termcap/tinfo/curses dependency. see if we can fix that... + AC_SEARCH_LIBS([tputs], [termcap tinfo curses ncurses], [ + LIBREADLINE="$ac_cv_search_tputs" + ], [ + AC_MSG_ERROR([libreadline (needed for vtysh) not found and/or missing dependencies]) + ]) + + dnl re-try with the lib we found above + unset ac_cv_lib_readline_main + AC_CHECK_LIB([readline], [main], [ + LIBREADLINE="-lreadline $LIBREADLINE" + ], [ + AC_MSG_ERROR([libreadline (needed for vtysh) not found and/or missing dependencies]) + ], [$LIBREADLINE]) + ], []) + LIBS="$LIBS -lreadline" + AC_CHECK_FUNCS([rl_clear_visible_line]) + LIBS="$prev_libs" + + AC_CHECK_HEADER([readline/history.h]) + if test "$ac_cv_header_readline_history_h" = "no"; then + AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.]) + fi + AC_CHECK_LIB([readline], [rl_completion_matches], [true], [], [$LIBREADLINE]) + if test "$ac_cv_lib_readline_rl_completion_matches" = "no"; then + AC_DEFINE([rl_completion_matches], [completion_matches], [Old readline]) + fi + AC_CHECK_LIB([readline], [append_history], [frr_cv_append_history=yes], [frr_cv_append_history=no], [$LIBREADLINE]) + if test "$frr_cv_append_history" = "yes"; then + AC_DEFINE([HAVE_APPEND_HISTORY], [1], [Have history.h append_history]) + fi + ;; +esac +AC_SUBST([LIBREADLINE]) + +dnl ---------- +dnl PAM module +dnl +dnl FRR detects the PAM library it is built against by checking for a +dnl functional pam_misc.h (Linux-PAM) or openpam.h (OpenPAM) header. pam_misc.h +dnl is known to #include pam_appl.h, the standard header of a PAM library, and +dnl openpam.h doesn't do that, although depends on the header too. Hence a +dnl little assistance to AC_CHECK_HEADER is necessary for the proper detection +dnl of OpenPAM. +dnl ---------- +if test "$with_libpam" = "yes"; then + AC_CHECK_HEADER([security/pam_misc.h], + [AC_DEFINE([HAVE_PAM_MISC_H], [1], [Have pam_misc.h]) + AC_DEFINE([PAM_CONV_FUNC], [misc_conv], [Have misc_conv]) + pam_conv_func="misc_conv" + ], + [], FRR_INCLUDES) + AC_CHECK_HEADER([security/openpam.h], + [AC_DEFINE([HAVE_OPENPAM_H], [1], [Have openpam.h]) + AC_DEFINE([PAM_CONV_FUNC], [openpam_ttyconv], [Have openpam_ttyconv]) + pam_conv_func="openpam_ttyconv" + ], + [], FRR_INCLUDES[#include <security/pam_appl.h>]) + if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then + AC_MSG_WARN([*** pam support will not be built ***]) + with_libpam="no" + fi +fi + +if test "$with_libpam" = "yes"; then +dnl took this test from proftpds configure.in and suited to our needs +dnl ------------------------------------------------------------------------- +dnl +dnl This next check looks funky due to a linker problem with some versions +dnl of the PAM library. Prior to 0.72 release, the Linux PAM shared library +dnl omitted requiring libdl linking information. PAM-0.72 or better ships +dnl with RedHat 6.2 and Debian 2.2 or better. +AC_CHECK_LIB([pam], [pam_start], + [AC_CHECK_LIB([pam], [$pam_conv_func], + [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication]) + LIBPAM="-lpam"], + [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication]) + LIBPAM="-lpam -lpam_misc"] + ) + ], + + [AC_CHECK_LIB([pam], [pam_end], + [AC_CHECK_LIB([pam], [$pam_conv_func], + [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication]) + LIBPAM="-lpam -ldl"], + [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication]) + LIBPAM="-lpam -ldl -lpam_misc"] + ) + ],AC_MSG_WARN([*** pam support will not be built ***]), + [-ldl]) + ] +) +fi +AC_SUBST([LIBPAM]) + +dnl ------------------------------- +dnl bgpd needs pow() and hence libm +dnl ------------------------------- +TMPLIBS="$LIBS" +LIBS="" +AC_SEARCH_LIBS([pow], [m], [ + LIBM="$LIBS" +], [ + AC_MSG_WARN([Unable to find working pow function - bgpd may not link]) +]) +LIBS="$TMPLIBS" +AC_SUBST([LIBM]) + +AC_CHECK_FUNCS([ppoll], [ + AC_DEFINE([HAVE_PPOLL], [1], [have Linux/BSD ppoll()]) +]) +AC_CHECK_FUNCS([pollts], [ + AC_DEFINE([HAVE_POLLTS], [1], [have NetBSD pollts()]) +]) + +AC_CHECK_HEADER([asm-generic/unistd.h], + [AC_CHECK_DECL(__NR_setns, + AC_DEFINE([HAVE_NETNS], [1], [Have netns]),, + FRR_INCLUDES [#include <asm-generic/unistd.h> + ]) + AC_CHECK_FUNCS([setns])] + ) + +dnl -------------------------- +dnl Determine IS-IS I/O method +dnl -------------------------- +AC_DEFINE([ISIS_METHOD_PFPACKET], [1], [constant value for isis method pfpacket]) +AC_DEFINE([ISIS_METHOD_DLPI], [2], [constant value for isis method dlpi]) +AC_DEFINE([ISIS_METHOD_BPF], [3], [constant value for isis method bpf]) +AC_CHECK_HEADER([net/bpf.h]) +AC_CHECK_HEADER([sys/dlpi.h]) +AC_MSG_CHECKING([zebra IS-IS I/O method]) + +case "$host_os" in + linux*) + AC_MSG_RESULT([pfpacket]) + ISIS_METHOD_MACRO="ISIS_METHOD_PFPACKET" + ;; + *) + if test "$ac_cv_header_net_bpf_h" = "no"; then + if test "$ac_cv_header_sys_dlpi_h" = "no"; then + AC_MSG_RESULT([none]) + if test "$enable_isisd" = "yes" -o "$enable_fabricd" = "yes"; then + AC_MSG_FAILURE([IS-IS support requested but no packet backend found]) + fi + AC_MSG_WARN([*** IS-IS support will not be built ***]) + enable_isisd="no" + enable_fabricd="no" + else + AC_MSG_RESULT([DLPI]) + fi + ISIS_METHOD_MACRO="ISIS_METHOD_DLPI" + else + AC_MSG_RESULT([BPF]) + ISIS_METHOD_MACRO="ISIS_METHOD_BPF" + fi + ;; +esac +AC_DEFINE_UNQUOTED([ISIS_METHOD], [$ISIS_METHOD_MACRO], [selected method for isis, == one of the constants]) + +dnl --------------------------------------------------------------- +dnl figure out how to specify an interface in multicast sockets API +dnl --------------------------------------------------------------- +AC_CHECK_MEMBERS([struct ip_mreqn.imr_ifindex], [], [], FRR_INCLUDES) + +AC_CHECK_HEADERS([linux/mroute.h], [], [],[ + #include <sys/socket.h> + #include <netinet/in.h> + #define _LINUX_IN_H /* For Linux <= 2.6.25 */ + #include <linux/types.h> +]) + +AC_CHECK_HEADERS([linux/mroute6.h], [], [],[ + #include <sys/socket.h> + #include <netinet/in.h> + #define _LINUX_IN_H /* For Linux <= 2.6.25 */ + #include <linux/types.h> +]) + +m4_define([FRR_INCLUDES], +FRR_INCLUDES +[#ifdef HAVE_LINUX_MROUTE_H +# include <linux/mroute.h> +#endif +])dnl + +AC_CHECK_HEADERS([netinet/ip_mroute.h], [], [],[ + #include <sys/socket.h> + #include <sys/types.h> + #include <netinet/in.h> + #include <net/route.h> +]) + +m4_define([FRR_INCLUDES], +FRR_INCLUDES +[#ifdef HAVE_NETINET_IP_MROUTE_H +# include <netinet/ip_mroute.h> +#endif +])dnl + +AC_MSG_CHECKING([for RFC3678 protocol-independed API]) +AC_COMPILE_IFELSE( +[ AC_LANG_PROGRAM([[ + #include <sys/types.h> + #include <netinet/in.h> + ]], [[ + struct group_req gr; + int sock; + setsockopt(sock, IPPROTO_IP, MCAST_JOIN_GROUP, (void*)&gr, sizeof(gr)); + ]]) +],[ + AC_MSG_RESULT([yes]) + AC_DEFINE([HAVE_RFC3678], [1], [Have RFC3678 protocol-independed API]) +],[ + AC_MSG_RESULT(no) +]) + +dnl --------------------------------------------------------------- +dnl figure out how to check link-state +dnl --------------------------------------------------------------- +AC_CHECK_HEADER([net/if_media.h], + [m4_define([LINK_DETECT_INCLUDES], + FRR_INCLUDES + [#include <net/if_media.h> + ]) + AC_CHECK_MEMBERS([struct ifmediareq.ifm_status], + AC_DEFINE([HAVE_BSD_LINK_DETECT], [1], [BSD link-detect]), + [], LINK_DETECT_INCLUDES)], + [], + FRR_INCLUDES) + +dnl --------------------------------------------------------------- +dnl Additional, newer way to check link-state using ifi_link_state. +dnl Not available in all BSD's when ifmediareq available +dnl --------------------------------------------------------------- +AC_CHECK_MEMBERS([struct if_data.ifi_link_state], + AC_DEFINE([HAVE_BSD_IFI_LINK_STATE], [1], [BSD ifi_link_state available]), + [], FRR_INCLUDES) + +dnl ------------------------ +dnl TCP_MD5SIG socket option +dnl ------------------------ + +AC_CHECK_HEADER([netinet/tcp.h], + [m4_define([MD5_INCLUDES], + FRR_INCLUDES + [#include <netinet/tcp.h> + ]) + AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)], + [], + FRR_INCLUDES) +if test "$ac_cv_have_decl_TCP_MD5SIG" = "no"; then + AC_CHECK_HEADER([linux/tcp.h], + [m4_define([MD5_INCLUDES], + FRR_INCLUDES + [#include <linux/tcp.h> + ]) + AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)]) +fi + +LIBS_save="$LIBS" +AC_CHECK_LIB([crypt], [crypt], [], [ + AC_CHECK_LIB([crypto], [DES_crypt]) +]) +LIBCRYPT="$LIBS" +LIBCRYPT="${LIBCRYPT%$LIBS_save}" +LIBCRYPT="${LIBCRYPT#$LIBS_save}" +AC_SUBST([LIBCRYPT]) +LIBS="$LIBS_save" +unset LIBS_save + +AC_CHECK_LIB([resolv], [res_init]) + +dnl --------------------------- +dnl check system has PCRE regexp +dnl --------------------------- +if test "$enable_pcreposix" = "yes"; then + AC_CHECK_LIB([pcreposix], [regexec], [], [ + AC_MSG_ERROR([--enable-pcreposix given but unable to find libpcreposix]) + ]) +fi +AC_SUBST([HAVE_LIBPCREPOSIX]) + +dnl --------------------------- +dnl check system has PCRE2 regexp +dnl --------------------------- +if test "$enable_pcre2posix" = "yes"; then + AC_CHECK_LIB([pcre2-posix], [regexec], [], [ + AC_MSG_ERROR([--enable-pcre2posix given but unable to find libpcre2-posix]) + ]) +fi +AC_SUBST([HAVE_LIBPCRE2_POSIX]) + +dnl ########################################################################## +dnl test "$enable_clippy_only" != "yes" +fi +dnl END OF LARGE if block +dnl ########################################################################## + +dnl ------------------ +dnl check C-Ares library +dnl ------------------ +PKG_CHECK_MODULES([CARES], [libcares], [ + c_ares_found=true +],[ + c_ares_found=false +]) +AM_CONDITIONAL([CARES], [$c_ares_found]) + + +dnl ---------------------------------------------------------------------------- +dnl figure out if domainname is available in the utsname struct (GNU extension). +dnl ---------------------------------------------------------------------------- +AC_CHECK_MEMBERS([struct utsname.domainname], [], [], [#include <sys/utsname.h>]) + +dnl ------------------ +dnl IPv6 header checks +dnl ------------------ +AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h \ + netinet6/in6_var.h netinet6/nd6.h], [], [], + FRR_INCLUDES) + +m4_define([FRR_INCLUDES],dnl +FRR_INCLUDES +[#ifdef HAVE_NETINET6_IN6_H +#include <netinet6/in6.h> +#endif +#ifdef HAVE_NETINET_IN6_VAR_H +#include <netinet/in6_var.h> +#endif +#include <netinet/icmp6.h> +#ifdef HAVE_NETINET6_IN6_VAR_H +# include <netinet6/in6_var.h> +#endif +#ifdef HAVE_NETINET6_ND6_H +# include <netinet6/nd6.h> +#endif +])dnl + +dnl -------------------- +dnl Daemon disable check +dnl -------------------- + +AS_IF([test "$enable_bgpd" != "no"], [ + AC_DEFINE([HAVE_BGPD], [1], [bgpd]) +]) + +AS_IF([test "$enable_mgmtd" != "no"], [ + + AC_DEFINE([HAVE_MGMTD], [1], [mgmtd]) + + # Enable MGMTD local validations + AS_IF([test "$enable_mgmtd_local_validations" == "yes"], [ + AC_DEFINE([MGMTD_LOCAL_VALIDATIONS_ENABLED], [1], [Enable mgmtd local validations.]) + ]) +]) + +AS_IF([test "$enable_ripd" != "no"], [ + AC_DEFINE([HAVE_RIPD], [1], [ripd]) +]) + +AS_IF([test "$enable_ripngd" != "no"], [ + AC_DEFINE([HAVE_RIPNGD], [1], [ripngd]) +]) + +AS_IF([test "$enable_ospfd" != "no"], [ + AC_DEFINE([HAVE_OSPFD], [1], [ospfd]) +]) + +AS_IF([test "$enable_ospf6d" != "no"], [ + AC_DEFINE([HAVE_OSPF6D], [1], [ospf6d]) +]) + +AS_IF([test "$enable_ldpd" != "no"], [ + AC_DEFINE([HAVE_LDPD], [1], [ldpd]) +]) + +AS_IF([test "$enable_nhrpd" != "no"], [ + AC_DEFINE([HAVE_NHRPD], [1], [nhrpd]) +]) + +AS_IF([test "$enable_eigrpd" != "no"], [ + AC_DEFINE([HAVE_EIGRPD], [1], [eigrpd]) +]) + +AS_IF([test "$enable_babeld" != "no"], [ + AC_DEFINE([HAVE_BABELD], [1], [babeld]) +]) + +AS_IF([test "$enable_isisd" != "no"], [ + AC_DEFINE([HAVE_ISISD], [1], [isisd]) +]) + +AS_IF([test "$enable_pimd" != "no"], [ + AC_DEFINE([HAVE_PIMD], [1], [pimd]) +]) + +AS_IF([test "$enable_pim6d" != "no"], [ + AC_DEFINE([HAVE_PIM6D], [1], [pim6d]) +]) + +AS_IF([test "$enable_pbrd" != "no"], [ + AC_DEFINE([HAVE_PBRD], [1], [pbrd]) +]) + +AS_IF([test "$enable_sharpd" = "yes"], [ + AC_DEFINE([HAVE_SHARPD], [1], [sharpd]) +]) + +AS_IF([test "$enable_staticd" != "no"], [ + AC_DEFINE([HAVE_STATICD], [1], [staticd]) +]) + +AS_IF([test "$enable_fabricd" != "no"], [ + AC_DEFINE([HAVE_FABRICD], [1], [fabricd]) +]) + +AS_IF([test "$enable_vrrpd" != "no"], [ + AC_DEFINE([HAVE_VRRPD], [1], [vrrpd]) +]) + +if test "$enable_bfdd" = "no"; then + AC_DEFINE([HAVE_BFDD], [0], [bfdd]) + BFDD="" +else + AC_DEFINE([HAVE_BFDD], [1], [bfdd]) + BFDD="bfdd" + + case $host_os in + linux*) + AC_DEFINE([BFD_LINUX], [1], [bfdd]) + ;; + + *) + AC_DEFINE([BFD_BSD], [1], [bfdd]) + ;; + esac +fi + +AS_IF([test "$enable_pathd" != "no"], [ + AC_DEFINE([HAVE_PATHD], [1], [pathd]) +]) + +if test "$ac_cv_lib_json_c_json_object_get" = "no" -a "$BFDD" = "bfdd"; then + AC_MSG_ERROR(["you must use json-c library to use bfdd"]) +fi + +NHRPD="" +case "$host_os" in + linux*) + case "${enable_nhrpd}" in + no) + ;; + yes) + if test "$enable_clippy_only" != "yes"; then + if test "$c_ares_found" != "true" ; then + AC_MSG_ERROR([nhrpd requires libcares. Please install c-ares and its -dev headers.]) + fi + fi + NHRPD="nhrpd" + ;; + *) + if test "$c_ares_found" = "true" ; then + NHRPD="nhrpd" + fi + ;; + esac + ;; + *) + if test "$enable_nhrpd" = "yes"; then + AC_MSG_ERROR([nhrpd requires kernel APIs that are only present on Linux.]) + fi + ;; +esac + +if test "$enable_watchfrr" = "no";then + WATCHFRR="" +else + WATCHFRR="watchfrr" +fi + +OSPFCLIENT="" +if test "$enable_ospfapi" != "no";then + AC_DEFINE([SUPPORT_OSPF_API], [1], [OSPFAPI]) + + if test "$enable_ospfclient" != "no";then + OSPFCLIENT="ospfclient" + fi +fi + +if test "$enable_bgp_announce" = "no";then + AC_DEFINE([DISABLE_BGP_ANNOUNCE], [1], [Disable BGP installation to zebra]) +else + AC_DEFINE([DISABLE_BGP_ANNOUNCE], [0], [Disable BGP installation to zebra]) +fi + +if test "$enable_bgp_vnc" != "no";then + AC_DEFINE([ENABLE_BGP_VNC], [1], [Enable BGP VNC support]) +fi + +bgpd_bmp=false +case "${enable_bgp_bmp}" in + no) + ;; + yes) + if test "$c_ares_found" != "true" ; then + AC_MSG_ERROR([BMP support requires libcares. Please install c-ares and its -dev headers.]) + fi + bgpd_bmp=true + ;; + *) + if test "$c_ares_found" = "true" ; then + bgpd_bmp=true + fi + ;; +esac + +if test "$enable_version_build_config" != "no";then + AC_DEFINE([ENABLE_VERSION_BUILD_CONFIG], [1], [Report build configs in show version]) +fi + +dnl ########################################################################## +dnl LARGE if block +if test "$enable_clippy_only" != "yes"; then +dnl ########################################################################## + +dnl ------------------ +dnl check Net-SNMP library +dnl ------------------ +if test "$enable_snmp" != "" -a "$enable_snmp" != "no"; then + AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], [no]) + if test "$NETSNMP_CONFIG" = "no"; then + AC_MSG_ERROR([--enable-snmp given but unable to find net-snmp-config]) + fi + SNMP_LIBS="`${NETSNMP_CONFIG} --agent-libs`" + SNMP_CFLAGS="`${NETSNMP_CONFIG} --base-cflags`" + # net-snmp lists all of its own dependencies. we absolutely do not want that + # among other things we avoid a GPL vs. OpenSSL license conflict here + for removelib in crypto ssl sensors pci wrap; do + SNMP_LIBS="`echo $SNMP_LIBS | sed -e 's/\(^\|\s\)-l'$removelib'\b/ /g' -e 's/\(^\|\s\)\([^\s]*\/\)\?lib'$removelib'\.[^\s]\+\b/ /g'`" + done + AC_MSG_CHECKING([whether we can link to Net-SNMP]) + AC_LINK_IFELSE_FLAGS([$SNMP_CFLAGS], [$SNMP_LIBS], [AC_LANG_PROGRAM([ +int main(void); +], +[ +{ + return 0; +} +])], [ + AC_MSG_RESULT([no]) + AC_MSG_ERROR([--enable-snmp given but not usable])]) + case "${enable_snmp}" in + yes) + SNMP_METHOD=agentx + ;; + agentx) + SNMP_METHOD="${enable_snmp}" + ;; + *) + AC_MSG_ERROR([--enable-snmp given with an unknown method (${enable_snmp}). Use yes or agentx]) + ;; + esac + AH_TEMPLATE([SNMP_AGENTX], [Use SNMP AgentX to interface with snmpd]) + AC_DEFINE_UNQUOTED(AS_TR_CPP(SNMP_${SNMP_METHOD}),,[SNMP method to interface with snmpd]) +fi +AC_SUBST([SNMP_LIBS]) +AC_SUBST([SNMP_CFLAGS]) + +dnl --------------- +dnl libyang +dnl --------------- +PKG_CHECK_MODULES([LIBYANG], [libyang >= 2.0.0], , [ + AC_MSG_ERROR([libyang (>= 2.0.0) was not found on your system.]) +]) +ac_cflags_save="$CFLAGS" +CFLAGS="$CFLAGS $LIBYANG_CFLAGS" +AC_CHECK_MEMBER([struct lyd_node.priv], [], [ + AC_MSG_ERROR([m4_normalize([ + libyang needs to be compiled with ENABLE_LYD_PRIV=ON. + Instructions for this are included in the build documentation for your platform at http://docs.frrouting.org/projects/dev-guide/en/latest/building.html]) + ]) +], [[#include <libyang/libyang.h>]]) +CFLAGS="$ac_cflags_save" + +dnl --------------- +dnl configuration rollbacks +dnl --------------- +SQLITE3=false +if test "$enable_config_rollbacks" = "yes"; then + PKG_CHECK_MODULES([SQLITE3], [sqlite3], [ + AC_DEFINE([HAVE_CONFIG_ROLLBACKS], [1], [Enable configuration rollbacks]) + AC_DEFINE([HAVE_SQLITE3], [1], [Enable sqlite3 database]) + SQLITE3=true + ], [ + AC_MSG_ERROR([--enable-config-rollbacks given but sqlite3 was not found on your system.]) + ]) +fi + +dnl --------------- +dnl confd +dnl --------------- +if test "$enable_confd" != "" -a "$enable_confd" != "no"; then + AC_CHECK_PROG([CONFD], [confd], [confd], [/bin/false], "${enable_confd}/bin") + if test "$CONFD" = "/bin/false"; then + AC_MSG_ERROR([confd was not found on your system.])] + fi + AC_CHECK_PROG([CONFDC], [confdc], [confdc], [/bin/false], "${enable_confd}/bin") + CONFD_CFLAGS="-I${enable_confd}/include -L${enable_confd}/lib" + AC_SUBST([CONFD_CFLAGS]) + CONFD_LIBS="-lconfd" + AC_SUBST([CONFD_LIBS]) + AC_DEFINE([HAVE_CONFD], [1], [Enable confd integration]) +fi + +dnl --------------- +dnl sysrepo +dnl --------------- +if test "$enable_sysrepo" = "yes"; then + PKG_CHECK_MODULES([SYSREPO], [sysrepo >= 2.1.42], + [AC_DEFINE([HAVE_SYSREPO], [1], [Enable sysrepo integration]) + SYSREPO=true], + [SYSREPO=false + AC_MSG_ERROR([sysrepo was not found on your system.])] + ) +fi + +dnl --------------- +dnl gRPC +dnl --------------- +if test "$enable_grpc" = "yes"; then + AC_LANG_PUSH([C++]) + AX_CXX_COMPILE_STDCXX([11], [ext]) + PKG_CHECK_MODULES([GRPC], [grpc >= 6.0.0 grpc++ >= 1.16.1 protobuf >= 3.6.1 ], [ + AC_CHECK_PROGS([PROTOC], [protoc], [/bin/false]) + if test "$PROTOC" = "/bin/false"; then + AC_MSG_FAILURE([grpc requested but protoc not found.]) + fi + + AC_DEFINE([HAVE_GRPC], [1], [Enable the gRPC northbound plugin]) + GRPC=true + ], [ + GRPC=false + AC_MSG_ERROR([grpc/grpc++ were not found on your system.]) + ]) + AC_LANG_POP([C++]) +fi + +dnl --------- +dnl DPDK +dnl --------- +if test "$enable_dp_dpdk" = "yes"; then + PKG_CHECK_MODULES([DPDK], [libdpdk], [ + AC_DEFINE([HAVE_DPDK], [1], [Enable DPDK backend]) + DPDK=true + ], [ + AC_MSG_ERROR([configuration specifies --enable-dp-dpdk but DPDK libs were not found]) + ]) +fi + +dnl ----- +dnl LTTng +dnl ----- +if test "$enable_lttng" = "yes"; then + PKG_CHECK_MODULES([UST], [lttng-ust >= 2.9.0], [ + AC_DEFINE([HAVE_LTTNG], [1], [Enable LTTng support]) + LTTNG=true + ], [ + AC_MSG_ERROR([configuration specifies --enable-lttng but lttng-ust was not found]) + ]) +fi + +dnl ---- +dnl USDT +dnl ---- +if test "$enable_usdt" = "yes"; then + AC_CHECK_HEADERS([sys/sdt.h], [ + AC_DEFINE([HAVE_USDT], [1], [Enable USDT probes]) + USDT=true + ], [ + AC_MSG_ERROR([configuration specifies --enable-usdt but no USDT kernel headers (sys/sdt.h) found]) + ]) +fi + +dnl ------ +dnl ZeroMQ +dnl ------ +if test "$enable_zeromq" != "no"; then + PKG_CHECK_MODULES([ZEROMQ], [libzmq >= 4.0.0], [ + AC_DEFINE([HAVE_ZEROMQ], [1], [Enable ZeroMQ support]) + ZEROMQ=true + ], [ + if test "$enable_zeromq" = "yes"; then + AC_MSG_ERROR([configuration specifies --enable-zeromq but libzmq was not found]) + fi + ]) +fi + +dnl ------------------------------------ +dnl Enable RPKI and add librtr to libs +dnl ------------------------------------ +if test "$enable_rpki" = "yes"; then + PKG_CHECK_MODULES([RTRLIB], [rtrlib >= 0.8.0], + [RPKI=true], + [RPKI=false + AC_MSG_ERROR([rtrlib was not found on your system or is too old.])] + ) +fi + +dnl ------------------------------------ +dnl pimd and pim6d not supported on OpenBSD and MacOS +dnl ------------------------------------ +if test "$enable_pimd" != "no"; then +AC_MSG_CHECKING([for pimd OS support]) +case "$host_os" in + darwin*) + AC_MSG_RESULT([no]) + enable_pimd="no" + ;; + openbsd*) + AC_MSG_RESULT([no]) + enable_pimd="no" + ;; + *) + AC_MSG_RESULT([yes]) + ;; +esac +fi + +if test "$enable_pim6d" != "no"; then +AC_MSG_CHECKING([for pim6d OS support]) +case "$host_os" in + linux*) + AC_MSG_RESULT([yes]) + ;; + *) + AC_MSG_RESULT([no]) + enable_pim6d="no" + ;; +esac +fi + +dnl ------------------------------------- +dnl VRRP is only supported on linux +dnl ------------------------------------- +if test "$enable_vrrpd" != "no"; then +AC_MSG_CHECKING([for VRRP OS support]) +case "$host_os" in + linux*) + AC_MSG_RESULT([yes]) + ;; + *) + AC_MSG_RESULT([no]) + enable_vrrpd="no" + ;; +esac +fi + +dnl ------------------------------------------ +dnl Check whether rtrlib was build with ssh support +dnl ------------------------------------------ +AC_MSG_CHECKING([whether the RTR Library is compiled with SSH]) +AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "rtrlib/rtrlib.h"]], + [[struct tr_ssh_config config;]])], + [AC_MSG_RESULT([yes]) + AC_DEFINE([FOUND_SSH], [1], [found_ssh])], + AC_MSG_RESULT([no]) +) + +dnl --------------- +dnl dlopen & dlinfo +dnl --------------- +LIBS_save="$LIBS" +AC_SEARCH_LIBS([dlopen], [dl dld], [], [ + AC_MSG_ERROR([unable to find the dlopen()]) +]) + +AC_CHECK_HEADERS([link.h]) + +AC_CACHE_CHECK([for dlinfo(RTLD_DI_ORIGIN)], [frr_cv_rtld_di_origin], [ + AC_LINK_IFELSE([AC_LANG_PROGRAM([[ +#include <stdlib.h> +#ifdef HAVE_LINK_H +#include <link.h> +#endif +#include <dlfcn.h> +]], [[ + char origin[1]; + dlinfo (NULL, RTLD_DI_ORIGIN, &origin); +]])], [ + frr_cv_rtld_di_origin=yes + ], [ + frr_cv_rtld_di_origin=no + ]) +]) +if test "$frr_cv_rtld_di_origin" = "yes"; then + AC_DEFINE([HAVE_DLINFO_ORIGIN], [1], [Have dlinfo RTLD_DI_ORIGIN]) +fi + +AC_CACHE_CHECK([for dlinfo(RTLD_DI_LINKMAP)], [frr_cv_rtld_di_linkmap], [ + AC_LINK_IFELSE([AC_LANG_PROGRAM([[ +#include <stdlib.h> +#ifdef HAVE_LINK_H +#include <link.h> +#endif +#include <dlfcn.h> +]], [[ + struct link_map *lm = NULL; + dlinfo (NULL, RTLD_DI_LINKMAP, &lm); +]])], [ + frr_cv_rtld_di_linkmap=yes + ], [ + frr_cv_rtld_di_linkmap=no + ]) +]) +if test "$frr_cv_rtld_di_linkmap" = "yes"; then + AC_DEFINE([HAVE_DLINFO_LINKMAP], [1], [Have dlinfo RTLD_DI_LINKMAP]) +fi + +LIBDL="$LIBS" +LIBDL="${LIBDL%$LIBS_save}" +LIBDL="${LIBDL#$LIBS_save}" +AC_SUBST([LIBDL]) +LIBS="$LIBS_save" +unset LIBS_save + +dnl ########################################################################## +dnl test "$enable_clippy_only" != "yes" +fi +dnl END OF LARGE if block +dnl ########################################################################## + +dnl --------------------------- +dnl sockaddr and netinet checks +dnl --------------------------- +AC_CHECK_TYPES([ + struct sockaddr_dl, + struct vifctl, struct mfcctl, struct sioc_sg_req, + vifi_t, struct sioc_vif_req, struct igmpmsg, + struct ifaliasreq, struct if6_aliasreq, struct in6_aliasreq, + struct nd_opt_adv_interval, + struct nd_opt_homeagent_info, struct nd_opt_adv_interval, + struct nd_opt_rdnss, struct nd_opt_dnssl], + [], [], FRR_INCLUDES) + +AC_CHECK_MEMBERS([struct sockaddr.sa_len, + struct sockaddr_in.sin_len, struct sockaddr_un.sun_len, + struct sockaddr_dl.sdl_len, + struct if6_aliasreq.ifra_lifetime, + struct nd_opt_adv_interval.nd_opt_ai_type], + [], [], FRR_INCLUDES) + +dnl --------------------------- +dnl IRDP/pktinfo/icmphdr checks +dnl --------------------------- + +AC_CHECK_TYPES([struct in_pktinfo], [ + AC_CHECK_TYPES([struct icmphdr], [ + IRDP=true + ], [ + IRDP=false + ], [FRR_INCLUDES]) +], [ + IRDP=false +], [FRR_INCLUDES]) + +case "${enable_irdp}" in +yes) + $IRDP || AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!']) + ;; +no) + IRDP=false + ;; +esac + + +dnl ----------------------- +dnl checking for IP_PKTINFO +dnl ----------------------- +AC_MSG_CHECKING([for IP_PKTINFO]) +AC_COMPILE_IFELSE( +[ AC_LANG_PROGRAM([[ + #include <netdb.h> + ]], [[ + int opt = IP_PKTINFO; + ]]) +],[ + AC_MSG_RESULT([yes]) + AC_DEFINE([HAVE_IP_PKTINFO], [1], [Have IP_PKTINFO]) +],[ + AC_MSG_RESULT([no]) +]) + +dnl --------------------------- +dnl checking for IP_RECVDSTADDR +dnl --------------------------- +AC_MSG_CHECKING([for IP_RECVDSTADDR]) +AC_COMPILE_IFELSE( +[ AC_LANG_PROGRAM([[ + #include <netinet/in.h> + ]], [[ + int opt = IP_RECVDSTADDR; + ]]) +],[ + AC_MSG_RESULT([yes]) + AC_DEFINE([HAVE_IP_RECVDSTADDR], [1], [Have IP_RECVDSTADDR]) +],[ + AC_MSG_RESULT([no]) +]) + +dnl ---------------------- +dnl checking for IP_RECVIF +dnl ---------------------- +AC_MSG_CHECKING([for IP_RECVIF]) +AC_COMPILE_IFELSE( +[ AC_LANG_PROGRAM([[ + #include <netinet/in.h> + ]], [[ + int opt = IP_RECVIF; + ]]) +],[ + AC_MSG_RESULT([yes]) + AC_DEFINE([HAVE_IP_RECVIF], [1], [Have IP_RECVIF]) +],[ + AC_MSG_RESULT([no]) +]) + +dnl ---------------------- +dnl checking for SO_BINDANY +dnl ---------------------- +AC_MSG_CHECKING([for SO_BINDANY]) +AC_COMPILE_IFELSE( +[ AC_LANG_PROGRAM([[ + #include <sys/socket.h> + ]], [[ + int opt = SO_BINDANY; + ]]) +],[ + AC_MSG_RESULT([yes]) + AC_DEFINE([HAVE_SO_BINDANY], [1], [Have SO_BINDANY]) +],[ + AC_MSG_RESULT([no]) +]) + +dnl ---------------------- +dnl checking for IP_FREEBIND +dnl ---------------------- +AC_MSG_CHECKING([for IP_FREEBIND]) +AC_COMPILE_IFELSE( +[ AC_LANG_PROGRAM([[ + #include <netinet/in.h> + ]], [[ + int opt = IP_FREEBIND; + ]]) +],[ + AC_MSG_RESULT([yes]) + AC_DEFINE([HAVE_IP_FREEBIND], [1], [Have IP_FREEBIND]) +],[ + AC_MSG_RESULT([no]) +]) + +dnl -------------------------------------- +dnl checking for be32dec existence or not +dnl -------------------------------------- +AC_CHECK_DECLS([be32enc, be32dec], [], [], [ + #ifdef HAVE_SYS_ENDIAN_H + #include <sys/endian.h> + #endif + #ifdef HAVE_ENDIAN_H + #include <endian.h> + #endif +]) + +dnl -------------------------------------- +dnl checking for clock_time monotonic struct and call +dnl -------------------------------------- +AC_CHECK_DECL([CLOCK_MONOTONIC], + [AC_CHECK_LIB([rt], [clock_gettime], [LIBS="$LIBS -lrt"]) + AC_DEFINE([HAVE_CLOCK_MONOTONIC], [1], [Have monotonic clock]) +], [AC_MSG_RESULT([no])], [FRR_INCLUDES]) + +AC_CHECK_DECL([CLOCK_THREAD_CPUTIME_ID], [ + AC_DEFINE([HAVE_CLOCK_THREAD_CPUTIME_ID], [1], [Have cpu-time clock]) +], [AC_MSG_RESULT([no])], [FRR_INCLUDES]) + +AC_SEARCH_LIBS([clock_nanosleep], [rt], [ + AC_DEFINE([HAVE_CLOCK_NANOSLEEP], [1], [Have clock_nanosleep()]) +]) + +dnl -------------------------------------- +dnl checking for flex and bison +dnl -------------------------------------- + +dnl autoconf 2.69 AC_PROG_LEX has no parameters +dnl autoconf 2.70 AC_PROG_LEX prints a deprecation warning without params +m4_if(m4_version_compare(m4_defn([AC_AUTOCONF_VERSION]), [2.70]), [-1], [dnl + dnl autoconf < 2.70 + AC_PROG_LEX +], [ + dnl autoconf >= 2.70 + AC_PROG_LEX([noyywrap]) +]) + +AC_MSG_CHECKING([version of flex]) +frr_ac_flex_version="$(eval $LEX -V | grep flex | head -n 1)" +frr_ac_flex_version="${frr_ac_flex_version##* }" +AC_MSG_RESULT([$frr_ac_flex_version]) +AX_COMPARE_VERSION([$frr_ac_flex_version], [lt], [2.5.20], [ + LEX="$SHELL $missing_dir/missing flex" + if test -f "${srcdir}/lib/command_lex.c" -a -f "${srcdir}/lib/command_lex.h"; then + AC_MSG_WARN([using pregenerated flex output files]) + else + AC_MSG_ERROR([flex failure and pregenerated files not included (probably a git build)]) + fi + AC_SUBST([LEX_OUTPUT_ROOT], [lex.yy]) + AC_SUBST([LEXLIB], ['']) +]) + +AC_PROG_YACC +dnl thanks GNU bison for this b*llshit... +AC_MSG_CHECKING([version of bison]) +frr_ac_bison_version="$(eval $YACC -V | grep bison | head -n 1)" +frr_ac_bison_version="${frr_ac_bison_version##* }" +frr_ac_bison_missing="false" +case "x${frr_ac_bison_version}x" in + x2.7*) + BISON_OPENBRACE='"' + BISON_CLOSEBRACE='"' + BISON_VERBOSE='' + AC_MSG_RESULT([$frr_ac_bison_version - 2.7 or older]) + ;; + x2.*|x1.*) + AC_MSG_RESULT([$frr_ac_bison_version]) + AC_MSG_WARN([installed bison is too old. Please install GNU bison 2.7.x or newer.]) + frr_ac_bison_missing="true" + ;; + x) + AC_MSG_RESULT([none]) + AC_MSG_WARN([could not determine bison version. Please install GNU bison 2.7.x or newer.]) + frr_ac_bison_missing="true" + ;; + x3.[012][^0-9]*) + BISON_OPENBRACE='{' + BISON_CLOSEBRACE='}' + BISON_VERBOSE='-Dparse.error=verbose' + AC_MSG_RESULT([$frr_ac_bison_version - 3.0 to 3.2]) + ;; + *) + BISON_OPENBRACE='{' + BISON_CLOSEBRACE='}' + BISON_VERBOSE='-Dparse.error=verbose -Wno-yacc' + AC_MSG_RESULT([$frr_ac_bison_version - 3.3 or newer]) + ;; +esac +AC_SUBST([BISON_OPENBRACE]) +AC_SUBST([BISON_CLOSEBRACE]) +AC_SUBST([BISON_VERBOSE]) + +if $frr_ac_bison_missing; then + YACC="$SHELL $missing_dir/missing bison -y" + if test -f "${srcdir}/lib/command_parse.c" -a -f "${srcdir}/lib/command_parse.h"; then + AC_MSG_WARN([using pregenerated bison output files]) + else + AC_MSG_ERROR([bison failure and pregenerated files not included (probably a git build)]) + fi +fi + +dnl ------------------- +dnl capabilities checks +dnl ------------------- +if test "$enable_capabilities" != "no"; then + AC_MSG_CHECKING([whether prctl PR_SET_KEEPCAPS is available]) + AC_COMPILE_IFELSE( + [ AC_LANG_PROGRAM([[ + #include <sys/prctl.h> + ]], [[ + prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0); + ]]) + ],[AC_MSG_RESULT([yes]) + AC_DEFINE([HAVE_PR_SET_KEEPCAPS], [1], [prctl]) + frr_ac_keepcaps="yes" + ],[AC_MSG_RESULT(no) + ]) + if test "$frr_ac_keepcaps" = "yes"; then + AC_CHECK_HEADERS([sys/capability.h]) + fi + if test "$ac_cv_header_sys_capability_h" = "yes"; then + AC_CHECK_LIB([cap], [cap_init], + [AC_DEFINE([HAVE_LCAPS], [1], [Capabilities]) + LIBCAP="-lcap" + frr_ac_lcaps="yes"] + ) + fi + if test "$frr_ac_scaps" = "yes" \ + -o "$frr_ac_lcaps" = "yes"; then + AC_DEFINE([HAVE_CAPABILITIES], [1], [capabilities]) + fi + + case "$host_os" in + linux*) + if test "$enable_clippy_only" != "yes"; then + if test "$frr_ac_lcaps" != "yes"; then + AC_MSG_ERROR([libcap and/or its headers were not found. Running FRR without libcap support built in causes a huge performance penalty.]) + fi + fi + ;; + esac +else + case "$host_os" in + linux*) + AC_MSG_WARN([Running FRR without libcap support built in causes a huge performance penalty.]) + ;; + esac +fi +AC_SUBST([LIBCAP]) + +dnl --------------------------- +dnl check for glibc 'backtrace' +dnl --------------------------- +if test "$enable_backtrace" != "no" ; then + backtrace_ok=no + PKG_CHECK_MODULES([UNWIND], [libunwind], [ + AC_DEFINE([HAVE_LIBUNWIND], [1], [libunwind]) + backtrace_ok=yes + ], [ + true + ]) + + if test "$backtrace_ok" = "no"; then + AC_CHECK_HEADER([unwind.h], [ + AC_SEARCH_LIBS([unw_getcontext], [unwind], [ + AC_DEFINE([HAVE_LIBUNWIND], [1], [libunwind]) + backtrace_ok=yes + ]) + ]) + fi + + if test "$backtrace_ok" = "no"; then + AC_CHECK_HEADER([execinfo.h], [ + AC_SEARCH_LIBS([backtrace], [execinfo], [ + AC_DEFINE([HAVE_GLIBC_BACKTRACE], [1], [Glibc backtrace]) + backtrace_ok=yes + ],, [-lm]) + ]) + fi + + if test "$enable_backtrace" = "yes" -a "$backtrace_ok" = "no"; then + dnl user explicitly requested backtrace but we failed to find support + AC_MSG_FAILURE([failed to find backtrace or libunwind support]) + fi +fi + +dnl ----------------------------------------- +dnl check for malloc mallinfo struct and call +dnl this must try and link using LIBS, in +dnl order to check no alternative allocator +dnl has been specified, which might not provide +dnl mallinfo +dnl ----------------------------------------- +AC_CHECK_HEADERS([malloc.h malloc_np.h malloc/malloc.h],,, [FRR_INCLUDES]) + +AC_CACHE_CHECK([whether mallinfo is available], [frr_cv_mallinfo], [ + AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [ +#ifdef HAVE_MALLOC_H +#include <malloc.h> +#endif +#ifdef HAVE_MALLOC_NP_H +#include <malloc_np.h> +#endif +#ifdef HAVE_MALLOC_MALLOC_H +#include <malloc/malloc.h> +#endif +]], [[ +struct mallinfo ac_x; ac_x = mallinfo (); +]])], [ + frr_cv_mallinfo=yes + ], [ + frr_cv_mallinfo=no + ]) +]) +if test "$frr_cv_mallinfo" = "yes"; then + AC_DEFINE([HAVE_MALLINFO], [1], [mallinfo]) +fi + +AC_CACHE_CHECK([whether mallinfo2 is available], [frr_cv_mallinfo2], [ + AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [ +#ifdef HAVE_MALLOC_H +#include <malloc.h> +#endif +#ifdef HAVE_MALLOC_NP_H +#include <malloc_np.h> +#endif +#ifdef HAVE_MALLOC_MALLOC_H +#include <malloc/malloc.h> +#endif +]], [[ +struct mallinfo2 ac_x; ac_x = mallinfo2 (); +]])], [ + frr_cv_mallinfo2=yes + ], [ + frr_cv_mallinfo2=no + ]) +]) +if test "$frr_cv_mallinfo2" = "yes"; then + AC_DEFINE([HAVE_MALLINFO2], [1], [mallinfo2]) +fi + +AC_MSG_CHECKING([whether malloc_usable_size is available]) +AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [ +#ifdef HAVE_MALLOC_H +#include <malloc.h> +#endif +#ifdef HAVE_MALLOC_MALLOC_H +#include <malloc/malloc.h> +#endif +]], [[ +size_t ac_x; ac_x = malloc_usable_size(NULL); +]])], [ + AC_MSG_RESULT([yes]) + AC_DEFINE([HAVE_MALLOC_USABLE_SIZE], [1], [malloc_usable_size]) +], [ + AC_MSG_RESULT([no]) + + AC_MSG_CHECKING([whether malloc_size is available]) + AC_LINK_IFELSE([AC_LANG_PROGRAM([[ +#ifdef HAVE_MALLOC_H +#include <malloc.h> +#endif +#ifdef HAVE_MALLOC_MALLOC_H +#include <malloc/malloc.h> +#endif +]], [[ +size_t ac_x; ac_x = malloc_size(NULL); +]])], [ + AC_MSG_RESULT([yes]) + AC_DEFINE([HAVE_MALLOC_SIZE], [1], [malloc_size]) + ], [ + AC_MSG_RESULT([no]) + ]) +]) + +dnl ---------- +dnl configure date +dnl ---------- +dev_version=`echo $VERSION | grep dev` +#don't expire deprecated code in non 'dev' branch +if test "$dev_version" = ""; then + CONFDATE=0 +else + CONFDATE=`date '+%Y%m%d'` +fi +AC_SUBST([CONFDATE]) + +dnl ------------------------------ +dnl set paths for state directory +dnl ------------------------------ +AC_MSG_CHECKING([directory to use for state file]) +if test "$prefix" = "NONE"; then + frr_statedir_prefix=""; +else + frr_statedir_prefix=${prefix} +fi +if test "$localstatedir" = '${prefix}/var'; then + for FRR_STATE_DIR in ${frr_statedir_prefix}/var/run dnl + ${frr_statedir_prefix}/var/adm dnl + ${frr_statedir_prefix}/etc dnl + /var/run dnl + /var/adm dnl + /etc dnl + /dev/null; + do + test -d $FRR_STATE_DIR && break + done + frr_statedir=$FRR_STATE_DIR +else + frr_statedir=${localstatedir} +fi +if test "$frr_statedir" = "/dev/null"; then + AC_MSG_ERROR([STATE DIRECTORY NOT FOUND! FIX OR SPECIFY --localstatedir!]) +fi +AC_MSG_RESULT([${frr_statedir}]) +AC_SUBST([frr_statedir]) + +AC_DEFINE_UNQUOTED([LDPD_SOCKET], ["$frr_statedir%s%s/ldpd.sock"], [ldpd control socket]) +AC_DEFINE_UNQUOTED([ZEBRA_SERV_PATH], ["$frr_statedir%s%s/zserv.api"], [zebra api socket]) +AC_DEFINE_UNQUOTED([BFDD_CONTROL_SOCKET], ["$frr_statedir%s%s/bfdd.sock"], [bfdd control socket]) +AC_DEFINE_UNQUOTED([OSPFD_GR_STATE], ["$frr_statedir%s/ospfd-gr.json"], [ospfd GR state information]) +AC_DEFINE_UNQUOTED([MGMTD_FE_SERVER_PATH], ["$frr_statedir/mgmtd_fe.sock"], [mgmtd frontend server socket]) +AC_DEFINE_UNQUOTED([MGMTD_BE_SERVER_PATH], ["$frr_statedir/mgmtd_be.sock"], [mgmtd backend server socket]) +AC_DEFINE_UNQUOTED([OSPF6D_GR_STATE], ["$frr_statedir/ospf6d-gr.json"], [ospf6d GR state information]) +AC_DEFINE_UNQUOTED([ISISD_RESTART], ["$frr_statedir%s/isid-restart.json"], [isisd restart information]) +AC_DEFINE_UNQUOTED([OSPF6_AUTH_SEQ_NUM_FILE], ["$frr_statedir/ospf6d-at-seq-no.dat"], [ospf6d AT Sequence number information]) +AC_DEFINE_UNQUOTED([DAEMON_VTY_DIR], ["$frr_statedir%s%s"], [daemon vty directory]) +AC_DEFINE_UNQUOTED([DAEMON_DB_DIR], ["$frr_statedir"], [daemon database directory]) + +dnl autoconf does this, but it does it too late... +test "$prefix" = "NONE" && prefix=$ac_default_prefix +test "$exec_prefix" = "NONE" && exec_prefix='${prefix}' + +dnl get the full path, recursing through variables... +vtysh_bin="$bindir/vtysh" +for I in 1 2 3 4 5 6 7 8 9 10; do + eval vtysh_bin="\"$vtysh_bin\"" +done +AC_DEFINE_UNQUOTED([VTYSH_BIN_PATH], ["$vtysh_bin"], [path to vtysh binary]) +AC_SUBST([vtysh_bin]) + +CFG_SYSCONF="$sysconfdir" +CFG_SBIN="$sbindir" +CFG_BIN="$bindir" +CFG_STATE="$frr_statedir" +CFG_MODULE="$moduledir" +CFG_YANGMODELS="$yangmodelsdir" +CFG_SCRIPT="$scriptdir" +for I in 1 2 3 4 5 6 7 8 9 10; do + eval CFG_SYSCONF="\"$CFG_SYSCONF\"" + eval CFG_SBIN="\"$CFG_SBIN\"" + eval CFG_BIN="\"$CFG_BIN\"" + eval CFG_STATE="\"$CFG_STATE\"" + eval CFG_MODULE="\"$CFG_MODULE\"" + eval CFG_YANGMODELS="\"$CFG_YANGMODELS\"" + eval CFG_SCRIPT="\"$CFG_SCRIPT\"" +done +AC_SUBST([CFG_SYSCONF]) +AC_SUBST([CFG_SBIN]) +AC_SUBST([CFG_BIN]) +AC_SUBST([CFG_STATE]) +AC_SUBST([CFG_MODULE]) +AC_SUBST([CFG_SCRIPT]) +AC_SUBST([CFG_YANGMODELS]) +AC_DEFINE_UNQUOTED([MODULE_PATH], ["$CFG_MODULE"], [path to modules]) +AC_DEFINE_UNQUOTED([SCRIPT_PATH], ["$CFG_SCRIPT"], [path to scripts]) +AC_DEFINE_UNQUOTED([YANG_MODELS_PATH], ["$CFG_YANGMODELS"], [path to YANG data models]) +AC_DEFINE_UNQUOTED([WATCHFRR_SH_PATH], ["${CFG_SBIN%/}/watchfrr.sh"], [path to watchfrr.sh]) + +dnl various features +AM_CONDITIONAL([SUPPORT_REALMS], [test "$enable_realms" = "yes"]) +AM_CONDITIONAL([ENABLE_BGP_VNC], [test "$enable_bgp_vnc" != "no"]) +AM_CONDITIONAL([BGP_BMP], [$bgpd_bmp]) +dnl northbound +AM_CONDITIONAL([SQLITE3], [$SQLITE3]) +AM_CONDITIONAL([CONFD], [test "$enable_confd" != ""]) +AM_CONDITIONAL([SYSREPO], [test "$enable_sysrepo" = "yes"]) +AM_CONDITIONAL([GRPC], [test "$enable_grpc" = "yes"]) +AM_CONDITIONAL([ZEROMQ], [test "$ZEROMQ" = "true"]) +dnl plugins +AM_CONDITIONAL([RPKI], [test "$RPKI" = "true"]) +AM_CONDITIONAL([SNMP], [test "$SNMP_METHOD" = "agentx"]) +AM_CONDITIONAL([IRDP], [$IRDP]) +AM_CONDITIONAL([FPM], [test "$enable_fpm" = "yes"]) +AM_CONDITIONAL([HAVE_PROTOBUF], [test "$enable_protobuf" != "no"]) +AM_CONDITIONAL([HAVE_PROTOBUF3], [$PROTO3]) + +dnl PCEP plugin +AS_IF([test "$enable_pathd" != "no"], [ + AC_SUBST([PATHD_PCEP_LIBS], ["pceplib/libpcep_pcc.la"]) + AC_SUBST([PATHD_PCEP_INCL], ["-I./pceplib "]) + ]) +AC_CHECK_LIB([cunit], [CU_initialize_registry], [pcep_cunit=yes],[pcep_cunit=no]) +AM_CONDITIONAL([PATHD_PCEP_TEST], [test "x${pcep_cunit}" = xyes]) +AC_CHECK_PROG(VALGRIND_CHECK, valgrind, yes) +AM_CONDITIONAL([HAVE_VALGRIND_PCEP], [test "$VALGRIND_CHECK" = "yes"]) + +dnl daemons +AM_CONDITIONAL([VTYSH], [test "$VTYSH" = "vtysh"]) +AM_CONDITIONAL([ZEBRA], [test "$enable_zebra" != "no"]) +AM_CONDITIONAL([BGPD], [test "$enable_bgpd" != "no"]) +AM_CONDITIONAL([MGMTD], [test "$enable_mgmtd" != "no"]) +AM_CONDITIONAL([RIPD], [test "$enable_ripd" != "no"]) +AM_CONDITIONAL([OSPFD], [test "$enable_ospfd" != "no"]) +AM_CONDITIONAL([LDPD], [test "$enable_ldpd" != "no"]) +AM_CONDITIONAL([BFDD], [test "$BFDD" = "bfdd"]) +AM_CONDITIONAL([NHRPD], [test "$NHRPD" = "nhrpd"]) +AM_CONDITIONAL([EIGRPD], [test "$enable_eigrpd" != "no"]) +AM_CONDITIONAL([WATCHFRR], [test "$WATCHFRR" = "watchfrr"]) +AM_CONDITIONAL([OSPFCLIENT], [test "$OSPFCLIENT" = "ospfclient"]) +AM_CONDITIONAL([RIPNGD], [test "$enable_ripngd" != "no"]) +AM_CONDITIONAL([BABELD], [test "$enable_babeld" != "no"]) +AM_CONDITIONAL([OSPF6D], [test "$enable_ospf6d" != "no"]) +AM_CONDITIONAL([ISISD], [test "$enable_isisd" != "no"]) +AM_CONDITIONAL([PIMD], [test "$enable_pimd" != "no"]) +AM_CONDITIONAL([PIM6D], [test "$enable_pim6d" != "no"]) +AM_CONDITIONAL([PBRD], [test "$enable_pbrd" != "no"]) +AM_CONDITIONAL([SHARPD], [test "$enable_sharpd" = "yes"]) +AM_CONDITIONAL([STATICD], [test "$enable_staticd" != "no"]) +AM_CONDITIONAL([FABRICD], [test "$enable_fabricd" != "no"]) +AM_CONDITIONAL([VRRPD], [test "$enable_vrrpd" != "no"]) +AM_CONDITIONAL([PATHD], [test "$enable_pathd" != "no"]) +AM_CONDITIONAL([PATHD_PCEP], [test "$enable_pathd" != "no"]) +AM_CONDITIONAL([DP_DPDK], [test "$enable_dp_dpdk" = "yes"]) + +AC_CONFIG_FILES([Makefile],[ + test "$enable_dev_build" = "yes" && makefile_devbuild="--dev-build" + ${PYTHON} "${ac_abs_top_srcdir}/python/makefile.py" ${makefile_devbuild} || exit 1 +], [ + PYTHON="$PYTHON" + enable_dev_build="$enable_dev_build" +]) + +AC_CONFIG_FILES([ + config.version + redhat/frr.spec + alpine/APKBUILD + snapcraft/snapcraft.yaml + lib/version.h + tests/lib/cli/test_cli.refout pkgsrc/mgmtd.sh + pkgsrc/bgpd.sh pkgsrc/ospf6d.sh pkgsrc/ospfd.sh + pkgsrc/ripd.sh pkgsrc/ripngd.sh pkgsrc/zebra.sh + pkgsrc/eigrpd.sh]) + +AC_CONFIG_FILES([tools/frr], [chmod +x tools/frr]) +AC_CONFIG_FILES([tools/watchfrr.sh], [chmod +x tools/watchfrr.sh]) +AC_CONFIG_FILES([tools/frrinit.sh], [chmod +x tools/frrinit.sh]) +AC_CONFIG_FILES([tools/frrcommon.sh]) +AC_CONFIG_FILES([tools/frr.service]) +AC_CONFIG_FILES([tools/frr@.service]) + +# dnl write out a ccls file with our compile configuration +# dnl have to add -Wno-unused-function otherwise foobar_cmd_magic causes +# dnl all DEFPY(), et al., macros to flag as errors. +AS_IF([test "$enable_ccls" = "yes"], [ + AC_CONFIG_COMMANDS([gen-dot-ccls], [ + cat > "${srcdir}/.ccls" <<EOF +clang +-DHAVE_CONFIG_H +-I. +-I./include +-I./lib +-I./lib/assert +-DSYSCONFDIR="${ac_frr_sysconfdir}" +-DCONFDATE=${ac_frr_confdate} +EOF + if test "$ac_abs_top_builddir" != "$ac_abs_top_srcdir"; then + echo "-I${ac_abs_top_builddir}" >> "${srcdir}/.ccls" + fi + if test -n "$FRR_ALL_CCLS_FLAGS"; then + echo ${FRR_ALL_CCLS_FLAGS} | tr ' ' '\n' >> "${srcdir}/.ccls" + fi + if test -n "$FRR_ALL_CCLS_CFLAGS"; then + cat >> "${srcdir}/.ccls" <<EOF +%c $(echo ${FRR_ALL_CCLS_CFLAGS} | sed -e 's/ */\n%c /g') +%c -Wno-unused-function +%c -Wno-microsoft +EOF +fi + ], [ + FRR_ALL_CCLS_FLAGS="$(echo ${LIBYANG_CFLAGS} ${LUA_INCLUDE} ${SQLITE3_CFLAGS} | sed -e 's/ */ /g')" + FRR_ALL_CCLS_CFLAGS="$(echo ${CFLAGS} ${WERROR} ${AC_CFLAGS} ${SAN_FLAGS} | sed -e 's/ */ /g')" + ac_frr_confdate="${CONFDATE}" + ac_frr_sysconfdir="${sysconfdir}/" + ]) +]) + + +AS_IF([test "$with_pkg_git_version" = "yes"], [ + AC_CONFIG_COMMANDS([lib/gitversion.h], [ + dst="${ac_abs_top_builddir}/lib/gitversion.h" + ${PERL} "${ac_abs_top_srcdir}/lib/gitversion.pl" \ + "${ac_abs_top_srcdir}" \ + > "${dst}.tmp" + test -f "$dst" \ + && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \ + && rm "${dst}.tmp" \ + || mv "${dst}.tmp" "${dst}" + ], [ + PERL="$PERL" + ]) +]) + +## Hack, but working solution to avoid rebuilding of frr.info. +## It's already in CVS until texinfo 4.7 is more common. +AC_OUTPUT + +if test "$enable_rpath" = "yes" ; then + true +else + # See https://old-en.opensuse.org/openSUSE:Packaging_Guidelines#Removing_Rpath + sed -e 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' libtool > libtool.sed && cat libtool.sed > libtool + sed -e 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool > libtool.sed && cat libtool.sed > libtool + test -f libtool.sed && rm libtool.sed +fi + +echo " +FRRouting configuration +------------------------------ +FRR version : ${PACKAGE_VERSION} +host operating system : ${host_os} +source code location : ${srcdir} +compiler : ${CC} +compiler flags : ${CFLAGS} ${WERROR} ${AC_CFLAGS} ${SAN_FLAGS} +make : ${MAKE-make} +linker flags : ${LDFLAGS} ${SAN_FLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM} +state file directory : ${frr_statedir} +config file directory : `eval echo \`echo ${sysconfdir}\`` +module directory : ${CFG_MODULE} +script directory : ${CFG_SCRIPT} +user to run as : ${enable_user} +group to run as : ${enable_group} +group for vty sockets : ${enable_vty_group} +config file mask : ${enable_configfile_mask} +log file mask : ${enable_logfile_mask} +zebra protobuf enabled : ${enable_protobuf:-no} +vici socket path : ${vici_socket} + +The above user and group must have read/write access to the state file +directory and to the config files in the config file directory." + +if test -n "$enable_datacenter"; then + AC_MSG_WARN([The --enable-datacenter compile time option is deprecated. Please modify the init script to pass -F datacenter to the daemons instead.]) +fi + +if test "$enable_doc" != "no" -a "$frr_py_mod_sphinx" = "false"; then + AC_MSG_WARN([sphinx is missing but required to build documentation]) +fi +if test "$frr_py_mod_pytest" = "false"; then + AC_MSG_WARN([pytest is missing, unit tests cannot be performed]) +fi |