diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 486 |
1 files changed, 486 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..f0642e3 --- /dev/null +++ b/configure.ac @@ -0,0 +1,486 @@ +# -*- Autoconf -*- +# Process this file with autoconf to produce a configure script. + +####################### +### Base configuration + +# Configure autoconf +AC_PREREQ([2.69]) + +AC_INIT([lldpd], + [m4_esyscmd_s([./get-version])], + [https://github.com/lldpd/lldpd/issues], + [lldpd], + [https://lldpd.github.io/]) + +AC_CONFIG_SRCDIR([src/log.c]) +AC_CONFIG_HEADERS([config.h]) +AC_CONFIG_FILES([Makefile + src/Makefile + src/compat/Makefile + src/daemon/Makefile + src/lib/Makefile + src/client/Makefile + tests/Makefile + osx/Makefile]) +AC_CONFIG_MACRO_DIR([m4]) +AC_SUBST([CONFIGURE_ARGS], [$ac_configure_args]) + +# Configure automake +AM_INIT_AUTOMAKE([foreign subdir-objects -Wall -Werror tar-ustar]) +AM_MAINTAINER_MODE +m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES(yes)]) + +# Automake 1.12... +m4_pattern_allow([AM_PROG_AR]) +AM_PROG_AR + +# Configure libtool +LT_INIT +gl_LD_VERSION_SCRIPT + +####################### +### Checks + +# Checks for programs. +AC_PROG_CC +AC_PROG_CC_C99 +if test x"$ac_cv_prog_cc_c99" = x"no"; then + AC_MSG_FAILURE([*** C99 support is mandatory]) +fi +AC_PROG_CPP +AM_PROG_CC_C_O +LT_INIT +AC_PROG_LN_S +AC_PROG_EGREP +AC_PROG_AWK +AC_PROG_SED + +# Check for pkg-config +m4_ifndef([PKG_CHECK_MODULES], [ + AC_MSG_ERROR([PKG_CHECK_MODULES not found. Please install pkg-config and re-run autogen.sh])]) + +# Doxygen +DX_HTML_FEATURE(ON) +DX_DOT_FEATURE(OFF) +DX_CHM_FEATURE(OFF) +DX_CHI_FEATURE(OFF) +DX_MAN_FEATURE(OFF) +DX_RTF_FEATURE(OFF) +DX_XML_FEATURE(OFF) +DX_PDF_FEATURE(ON) +DX_PS_FEATURE(OFF) +DX_INIT_DOXYGEN([lldpd], [doxygen.cfg], [doxygen]) + +# Check some compiler flags +AX_CFLAGS_GCC_OPTION([-Wunknown-warning-option], [LLDP_CFLAGS]) +AX_CFLAGS_GCC_OPTION([-fdiagnostics-show-option], [LLDP_CFLAGS]) +AX_CFLAGS_GCC_OPTION([-fdiagnostics-color=auto], [LLDP_CFLAGS]) +AX_CFLAGS_GCC_OPTION([-fno-omit-frame-pointer], [LLDP_CFLAGS]) +AX_CFLAGS_GCC_OPTION([-funsigned-char], [LLDP_CFLAGS]) +AX_CFLAGS_GCC_OPTION([-pipe], [LLDP_CFLAGS]) +AX_CFLAGS_GCC_OPTION([-Wall], [LLDP_CFLAGS]) +AX_CFLAGS_GCC_OPTION([-W], [LLDP_CFLAGS]) +AX_CFLAGS_GCC_OPTION([-Wextra], [LLDP_CFLAGS]) +AX_CFLAGS_GCC_OPTION([-Wformat], [LLDP_CFLAGS]) +AX_CFLAGS_GCC_OPTION([-Wformat-security], [LLDP_CFLAGS]) +AX_CFLAGS_GCC_OPTION([-Wimplicit-fallthrough], [LLDP_CFLAGS]) +AX_CFLAGS_GCC_OPTION([-Wfatal-errors], [LLDP_CFLAGS]) +AX_CFLAGS_GCC_OPTION([-Wheader-guard], [LLDP_CFLAGS]) +AX_CFLAGS_GCC_OPTION([-Wdocumentation], [LLDP_CFLAGS]) +AX_CFLAGS_GCC_OPTION([-Winline], [LLDP_CFLAGS]) +AX_CFLAGS_GCC_OPTION([-Wpointer-arith], [LLDP_CFLAGS]) +AX_CFLAGS_GCC_OPTION([-Wmissing-prototypes], [LLDP_CFLAGS]) +AX_CFLAGS_GCC_OPTION([-Wno-cast-align], [LLDP_CFLAGS]) dnl clang is bad at this +AX_CFLAGS_GCC_OPTION([-Wno-unused-parameter], [LLDP_CFLAGS]) +AX_CFLAGS_GCC_OPTION([-Wno-missing-field-initializers], [LLDP_CFLAGS]) +AX_CFLAGS_GCC_OPTION([-Wno-sign-compare], [LLDP_CFLAGS]) dnl Should be fixed later +AX_LDFLAGS_OPTION([-Wl,-z,relro], [LLDP_LDFLAGS]) +AX_LDFLAGS_OPTION([-Wl,-z,now], [LLDP_LDFLAGS]) + +AC_C_TYPEOF + +# Hardening +AC_ARG_ENABLE([hardening], + [AS_HELP_STRING([--enable-hardening], + [Enable compiler and linker options to frustrate memory corruption exploits @<:@default=yes@:>@])], + [hardening="$enableval"], + [hardening="yes"]) +AC_ARG_ENABLE([pie], + [AS_HELP_STRING([--enable-pie], + [Enable PIE (position independant executable) @<:@default=no@:>@])], + [pie="$enableval"], + [pie="no"]) + +if test x"$hardening" != x"no"; then + AX_CFLAGS_GCC_OPTION([-fstack-protector], [LLDP_CFLAGS]) + AX_CFLAGS_GCC_OPTION([-fstack-protector-all], [LLDP_CFLAGS]) + AX_CFLAGS_GCC_OPTION([-fstack-protector-strong], [LLDP_CFLAGS]) + AX_CFLAGS_GCC_OPTION([-fstack-protector-strong], [LLDP_CFLAGS]) + AX_CFLAGS_GCC_OPTION([-fstack-clash-protection], [LLDP_CFLAGS]) + AX_CFLAGS_GCC_OPTION([-D_FORTIFY_SOURCE=2], [LLDP_CPPFLAGS]) +fi +if test x"$pie" = x"yes"; then + AX_CFLAGS_GCC_OPTION([-fPIE], [LLDP_CFLAGS]) + AX_LDFLAGS_OPTION([-fPIE -pie], [LLDP_BIN_LDFLAGS], + [AX_LDFLAGS_OPTION([-fPIE -Wl,-pie], [LLDP_BIN_LDFLAGS])]) +fi + +# Sanitizers +AC_ARG_ENABLE([sanitizers], + AS_HELP_STRING([--enable-sanitizers], + [Enable code instrumentation with selected sanitizers @<:@default=no@:>@]), + [ +case "$enableval" in + no) sanitizers= ;; + yes) sanitizers="-fsanitize=address,undefined" ;; + *) sanitizers="-fsanitize=$enableval" ;; +esac +if test x"$sanitizers" != x; then + LLDP_CFLAGS="$LLDP_CFLAGS $sanitizers" + LLDP_LDFLAGS="$LLDP_LDFLAGS $sanitizers" + AC_DEFINE([HAVE_ADDRESS_SANITIZER], 1, [Define if have both address and leak sanitizer]) +elif test x"$hardening" != x"no"; then + AX_LDFLAGS_OPTION([-fsanitize=safe-stack], [LLDP_BIN_LDFLAGS]) + if test x"$ax_cv_ld_check_flag__fsanitize_safe_stack" != x"no"; then + AX_CFLAGS_GCC_OPTION([-fsanitize=safe-stack], [LLDP_CFLAGS]) + fi +fi + ]) + +# Fuzzer +AC_ARG_ENABLE([fuzzer], + AS_HELP_STRING([--enable-fuzzer], + [Enable fuzzing @<:@default=no@:>@]), + [ +case "$enableval" in + no) fuzzer= ;; + yes) fuzzer="-fsanitize=fuzzer" ;; + *) fuzzer="$enableval" ;; +esac +if test x"$fuzzer" != x; then + AC_SUBST([FUZZ_DECODE_ENGINE], ["$fuzzer"]) + AX_CFLAGS_GCC_OPTION([-DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION], [LLDP_CFLAGS]) +fi + ]) + +# Code coverage +AC_ARG_ENABLE([gcov], + AS_HELP_STRING([--enable-gcov], + [Enable coverage instrumentation @<:@default=no@:>@]), + [gcov="$enableval"], + [gcov="no"]) +if test x"$gcov" != x"no"; then + LLDP_CFLAGS="$LLDP_CFLAGS --coverage" + LLDP_LDFLAGS="$LLDP_LDFLAGS --coverage" +fi + +# OS +lldp_CHECK_OS +lldp_CFLAGS_OS + +AC_CACHE_SAVE + +# Checks for header files. +AC_HEADER_RESOLV +AC_CHECK_HEADERS([valgrind/valgrind.h]) +lldp_CHECK_STDINT + +AC_CACHE_SAVE + +# Checks for typedefs, structures, and compiler characteristics. +lldp_CHECK___PROGNAME +lldp_CHECK_ALIGNOF + +# Checks for library functions. +AC_CONFIG_LIBOBJ_DIR([src/compat]) +AC_FUNC_MALLOC +AC_FUNC_REALLOC +AC_FUNC_FORK + +# Some functions can be in libbsd +AC_ARG_WITH([libbsd], + AS_HELP_STRING( + [--with-libbsd], + [Use libbsd @<:@default=auto@:>@]), + [], + [with_libbsd=auto]) +if test x"$with_libbsd" != x"no"; then + PKG_CHECK_MODULES([libbsd], [libbsd-overlay], [ + _save_CFLAGS="$CFLAGS" + _save_LIBS="$LIBS" + CFLAGS="$CFLAGS $libbsd_CFLAGS" + LIBS="$LIBS $libbsd_LIBS" + AC_MSG_CHECKING([if libbsd can be linked correctly]) + AC_LINK_IFELSE([AC_LANG_PROGRAM([[ + @%:@include <sys/time.h> + @%:@include <sys/types.h> + ]], [[]])],[ + AC_MSG_RESULT(yes) + LLDP_CFLAGS="$LLDP_CFLAGS $libbsd_CFLAGS" + LLDP_LDFLAGS="$LLDP_LDFLAGS $libbsd_LIBS" + with_libbsd=yes + ],[ + AC_MSG_RESULT(no) + CFLAGS="$_save_CFLAGS" + LIBS="$_save_LIBS" + if test x"$with_libbsd" = x"yes"; then + AC_MSG_FAILURE([*** no libbsd support found]) + fi + with_libbsd=no + ]) + ], [ + if test x"$with_libbsd" = x"yes"; then + AC_MSG_FAILURE([*** no libbsd support found]) + fi + with_libbsd=no + ]) +fi + +# setproctitle may have an _init function +AC_REPLACE_FUNCS([setproctitle]) +AC_CHECK_FUNCS([setproctitle_init]) +# Other functions +AC_REPLACE_FUNCS([strlcpy + strnlen + strndup + strtonum + getline + asprintf + vsyslog + daemon]) +# Optional functions +AC_CHECK_FUNCS([setresuid setresgid]) + +# Check for res_init. On OSX, res_init is a symbol in libsystem_info +# and a macro in resolv.h. We need to ensure we test with resolv.h. +m4_pushdef([AC_LANG_CALL(C)], [ + AC_LANG_PROGRAM([$1 +@%:@include <resolv.h>], [return $2 ();])]) +AC_SEARCH_LIBS([res_init], resolv bind, + AC_DEFINE([HAVE_RES_INIT], 1, + [Define to indicate that res_init() exists])) +m4_popdef([AC_LANG_CALL(C)]) + +AC_CACHE_SAVE + +## Unit tests wich check +PKG_CHECK_MODULES([check], [check >= 0.9.4], [have_check=yes], [have_check=no]) + +# Third-party libraries +lldp_CHECK_LIBEVENT +lldp_CHECK_LIBCAP + +# Compatibility with pkg.m4 < 0.27 +m4_ifdef([PKG_INSTALLDIR], [PKG_INSTALLDIR], + [AC_ARG_WITH([pkgconfigdir], + [AS_HELP_STRING([--with-pkgconfigdir], + [install directory for *.pc pkg-config file])], + [],[with_pkgconfigdir='$(libdir)/pkgconfig']) + AC_SUBST([pkgconfigdir], [${with_pkgconfigdir}])]) + +####################### +### Options + +# Readline +AC_ARG_WITH([readline], + AS_HELP_STRING( + [--with-readline], + [Enable the use of readline-like library @<:@default=auto@:>@]), + [], + [with_readline=auto]) +if test x"$with_readline" != x"no"; then + AX_LIB_READLINE_LLDPD + if test x"$with_readline" != x"check" -a x"$with_readline" != x"auto"; then + if test x"$ax_cv_lib_readline" = x"no"; then + AC_MSG_FAILURE([*** no readline support found]) + fi + fi +else + ax_cv_lib_readline="no" +fi + +# SNMP +AC_ARG_WITH([snmp], + AS_HELP_STRING( + [--with-snmp], + [Enable the use of SNMP @<:@default=no@:>@]), + [], + [with_snmp=no]) +lldp_CHECK_SNMP + +# XML +AC_ARG_WITH([xml], + AS_HELP_STRING( + [--with-xml], + [Enable XML output via libxml2 @<:@default=auto@:>@]), + [], + [with_xml=auto]) +lldp_CHECK_XML2 + +# JSON (built-in) +lldp_ARG_ENABLE([json0], [use of pre-0.9.2 JSON/json-c format], [no]) + +# Seccomp +AC_ARG_WITH([seccomp], + AS_HELP_STRING( + [--with-seccomp], + [Enable seccomp support (with libseccomp, experimental) @<:@default=no@:>@]), + [], + [with_seccomp=no]) +lldp_CHECK_SECCOMP + +# OS X launchd support +lldp_ARG_WITH([launchddaemonsdir], [Directory for launchd configuration file (OSX)], + [/Library/LaunchDaemons]) +AC_SUBST([launchddaemonsdir], [$with_launchddaemonsdir]) +AM_CONDITIONAL(HAVE_LAUNCHDDAEMONSDIR, + [test -n "$with_launchddaemonsdir" -a "x$with_launchddaemonsdir" != xno ]) + +# Systemd +lldp_ARG_WITH([systemdsystemunitdir], [Directory for systemd service files], + [$($PKG_CONFIG --variable=systemdsystemunitdir systemd 2> /dev/null)]) +AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir]) +AM_CONDITIONAL(HAVE_SYSTEMDSYSTEMUNITDIR, + [test -n "$with_systemdsystemunitdir" -a "x$with_systemdsystemunitdir" != xno ]) + +# sysusers +lldp_ARG_WITH([sysusersdir], [Directory for sysusers files], + [$($PKG_CONFIG --variable=sysusersdir systemd 2> /dev/null)]) +AC_SUBST([sysusersdir], [$with_sysusersdir]) +AM_CONDITIONAL(HAVE_SYSUSERSDIR, + [test -n "$with_sysusersdir" -a "x$with_sysusersdir" != xno ]) + +# AppArmor +lldp_ARG_WITH([apparmordir], [Directory for AppArmor profiles (Linux)], + [no]) +AC_SUBST([apparmordir], [$with_apparmordir]) +AM_CONDITIONAL(HAVE_APPARMORDIR, + [test -n "$with_apparmordir" -a "x$with_apparmordir" != xno ]) + +# Systemtap/DTrace +lldp_SYSTEMTAP + +# Privsep settings +lldp_ARG_ENABLE([privsep], [Privilege separation], [yes]) +lldp_ARG_WITH([privsep-user], [Which user to use for privilege separation], [_lldpd]) +lldp_ARG_WITH([privsep-group], [Which group to use for privilege separation], [_lldpd]) + +# Directories +dnl On autoconf 2.69 and before, runstatedir is not configurable, let be able to use it anyway +if test "x$runstatedir" = x; then + AC_SUBST([runstatedir], ['${localstatedir}/run']) +fi +lldp_ARG_WITH([privsep-chroot], [Which directory to use to chroot lldpd], [${runstatedir}/lldpd]) +lldp_ARG_WITH([lldpd-ctl-socket], [Path to socket for communication with lldpd], [${runstatedir}/lldpd.socket]) +lldp_ARG_WITH([lldpd-pid-file], [Path to lldpd PID file], [${runstatedir}/lldpd.pid]) + +# Netlink +lldp_ARG_WITH_UNQUOTED([netlink-max-receive-bufsize], [Netlink maximum receive buffer size], [1024*1024]) +lldp_ARG_WITH_UNQUOTED([netlink-receive-bufsize], [Netlink initial receive buffer size], [0]) +lldp_ARG_WITH_UNQUOTED([netlink-send-bufsize], [Netlink send buffer size], [0]) + +# CDP/FDP/EDP/SONMP +lldp_ARG_ENABLE([cdp], [Cisco Discovery Protocol], [yes]) +lldp_ARG_ENABLE([fdp], [Foundry Discovery Protocol], [yes]) +lldp_ARG_ENABLE([edp], [Extreme Discovery Protocol], [yes]) +lldp_ARG_ENABLE([sonmp], [SynOptics Network Management Protocol], [yes]) + +# LLDPMED/Dot1/Dot3 +lldp_ARG_ENABLE([lldpmed], [LLDP-MED extension], [yes]) +lldp_ARG_ENABLE([dot1], [Dot1 extension (VLAN stuff)], [yes]) +lldp_ARG_ENABLE([dot3], [Dot3 extension (PHY stuff)], [yes]) +lldp_ARG_ENABLE([custom], [Custom TLV support], [yes]) + +# Oldies +MIN_LINUX_KERNEL_VERSION=2.6.39 +lldp_ARG_ENABLE([oldies], [compatibility with Linux kernel older than 2.6.39], [no]) +if test x"$os" = x"Linux"; then + if test x"$enable_oldies" = x"no"; then + AC_DEFINE_UNQUOTED(MIN_LINUX_KERNEL_VERSION, "[$MIN_LINUX_KERNEL_VERSION]", [Minimal Linux kernel version required]) + else + AC_DEFINE(MIN_LINUX_KERNEL_VERSION, "2.6.11", [Minimal kernel version required]) + fi +fi + +AX_BUILD_DATE_EPOCH(BUILD_DATE, "%FT%TZ", [BUILD_DATE="(unknown)"]) +AC_DEFINE_UNQUOTED(BUILD_DATE, "[$BUILD_DATE]", [Build date and time]) + +dnl per reproducible-builds.org check SOURCE_DATE_EPOCH +dnl +if test -z "${SOURCE_DATE_EPOCH+set}" ; then +AC_DEFINE_UNQUOTED(LLDP_CC, "[$CC $LLDP_CFLAGS $LLDP_CPPFLAGS $CFLAGS $CPPFLAGS]", [C compiler command]) +AC_DEFINE_UNQUOTED(LLDP_LD, "[$LD $LLDP_LDFLAGS $LLDP_BIN_LDFLAGS $LDFLAGS $LIBS]", [Linker compiler command]) +else +AC_DEFINE_UNQUOTED(LLDP_CC, "[C compiler command is not available for reproducible builds]", [C compiler command]) +AC_DEFINE_UNQUOTED(LLDP_LD, "[Linker compiler command is not available for reproducible builds]", [Linker compiler command]) +fi + +####################### +# Output results +AC_SUBST([LLDP_CFLAGS]) +AC_SUBST([LLDP_CPPFLAGS]) +AC_SUBST([LLDP_LDFLAGS]) +AC_SUBST([LLDP_BIN_LDFLAGS]) +AM_CONDITIONAL([ENABLE_FUZZ_DECODE], [test x"$fuzzer" != x]) +AM_CONDITIONAL([HAVE_CHECK], [test x"$have_check" = x"yes"]) +AM_CONDITIONAL([USE_SNMP], [test x"$with_snmp" = x"yes"]) +AM_CONDITIONAL([USE_XML], [test x"$with_xml" = x"yes"]) +AM_CONDITIONAL([USE_SECCOMP], [test x"$with_seccomp" = x"yes"]) +dnl If old default of AR_FLAGS is otherwise being used (because of older automake), +dnl replace it with one without 'u' +if test "x$AR_FLAGS" = "xcru" ; then + AR_FLAGS="cr" +fi +AC_OUTPUT + +if test x"$LIBEVENT_EMBEDDED" = x; then + libevent=system +else + libevent=embedded +fi + +cat <<EOF + +------------------ Summary ------------------ + $PACKAGE_NAME version $PACKAGE_VERSION + OS.............: $os + Prefix.........: $prefix + C Compiler.....: $CC $LLDP_CFLAGS $LLDP_CPPFLAGS $CFLAGS $CPPFLAGS + Linker.........: $LD $LLDP_LDFLAGS $LLDP_BIN_LDFLAGS $LDFLAGS $LIBS + Libevent.......: $libevent + Readline.......: ${ax_cv_lib_readline} + + Optional features: + SNMP support...: ${with_snmp-no} + CDP............: $enable_cdp + FDP............: $enable_fdp + EDP............: $enable_edp + SONMP..........: $enable_sonmp + LLDPMED........: $enable_lldpmed + DOT1...........: $enable_dot1 + DOT3...........: $enable_dot3 + CUSTOM.........: $enable_custom + XML output.....: ${with_xml-no} + Oldies support.: $enable_oldies + seccomp........: ${with_seccomp-no} + libbsd.........: ${with_libbsd-no} + + Privilege separation: + Enabled........: $enable_privsep + User/group.....: ${with_privsep_user}/${with_privsep_group} + Chroot.........: ${with_privsep_chroot} + + Instrumentation (for devs only): + Sanitizers.....: ${sanitizers:-none} + Coverage.......: ${gcov} +------------- Compiler version -------------- +$($CC --version || true) +-------------- Linker version --------------- +$($LD --version || true) +--------------------------------------------- + +Check the above options and compile with: + ${MAKE-make} + +EOF |