diff options
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 783 |
1 files changed, 783 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 new file mode 100644 index 0000000..51cf130 --- /dev/null +++ b/acinclude.m4 @@ -0,0 +1,783 @@ + +dnl APACHE_HELP_STRING(LHS, RHS) +dnl Autoconf 2.50 can not handle substr correctly. It does have +dnl AC_HELP_STRING, so let's try to call it if we can. +dnl Note: this define must be on one line so that it can be properly returned +dnl as the help string. +AC_DEFUN([APACHE_HELP_STRING],[ifelse(regexp(AC_ACVERSION, 2\.1), -1, AC_HELP_STRING($1,$2),[ ]$1 substr([ ],len($1))$2)])dnl + +dnl APACHE_SUBST(VARIABLE) +dnl Makes VARIABLE available in generated files +dnl (do not use @variable@ in Makefiles, but $(variable)) +AC_DEFUN([APACHE_SUBST],[ + APACHE_VAR_SUBST="$APACHE_VAR_SUBST $1" + AC_SUBST($1) +]) + +dnl APACHE_FAST_OUTPUT(FILENAME) +dnl Perform substitutions on FILENAME (Makefiles only) +AC_DEFUN([APACHE_FAST_OUTPUT],[ + APACHE_FAST_OUTPUT_FILES="$APACHE_FAST_OUTPUT_FILES $1" +]) + +dnl APACHE_GEN_CONFIG_VARS +dnl Creates config_vars.mk +AC_DEFUN([APACHE_GEN_CONFIG_VARS],[ + APACHE_SUBST(HTTPD_VERSION) + APACHE_SUBST(HTTPD_MMN) + APACHE_SUBST(abs_srcdir) + APACHE_SUBST(bindir) + APACHE_SUBST(sbindir) + APACHE_SUBST(cgidir) + APACHE_SUBST(logfiledir) + APACHE_SUBST(exec_prefix) + APACHE_SUBST(datadir) + APACHE_SUBST(localstatedir) + APACHE_SUBST(mandir) + APACHE_SUBST(libdir) + APACHE_SUBST(libexecdir) + APACHE_SUBST(htdocsdir) + APACHE_SUBST(manualdir) + APACHE_SUBST(includedir) + APACHE_SUBST(errordir) + APACHE_SUBST(iconsdir) + APACHE_SUBST(sysconfdir) + APACHE_SUBST(installbuilddir) + APACHE_SUBST(runtimedir) + APACHE_SUBST(proxycachedir) + APACHE_SUBST(other_targets) + APACHE_SUBST(progname) + APACHE_SUBST(prefix) + APACHE_SUBST(AWK) + APACHE_SUBST(CC) + APACHE_SUBST(CPP) + APACHE_SUBST(CXX) + APACHE_SUBST(CPPFLAGS) + APACHE_SUBST(CFLAGS) + APACHE_SUBST(CXXFLAGS) + APACHE_SUBST(LTFLAGS) + APACHE_SUBST(LDFLAGS) + APACHE_SUBST(LT_LDFLAGS) + APACHE_SUBST(SH_LDFLAGS) + APACHE_SUBST(HTTPD_LDFLAGS) + APACHE_SUBST(UTIL_LDFLAGS) + APACHE_SUBST(LIBS) + APACHE_SUBST(DEFS) + APACHE_SUBST(INCLUDES) + APACHE_SUBST(NOTEST_CPPFLAGS) + APACHE_SUBST(NOTEST_CFLAGS) + APACHE_SUBST(NOTEST_CXXFLAGS) + APACHE_SUBST(NOTEST_LDFLAGS) + APACHE_SUBST(NOTEST_LIBS) + APACHE_SUBST(EXTRA_CPPFLAGS) + APACHE_SUBST(EXTRA_CFLAGS) + APACHE_SUBST(EXTRA_CXXFLAGS) + APACHE_SUBST(EXTRA_LDFLAGS) + APACHE_SUBST(EXTRA_LIBS) + APACHE_SUBST(EXTRA_INCLUDES) + APACHE_SUBST(INTERNAL_CPPFLAGS) + APACHE_SUBST(LIBTOOL) + APACHE_SUBST(SHELL) + APACHE_SUBST(RSYNC) + APACHE_SUBST(SVN) + APACHE_SUBST(MODULE_DIRS) + APACHE_SUBST(MODULE_CLEANDIRS) + APACHE_SUBST(PORT) + APACHE_SUBST(SSLPORT) + APACHE_SUBST(CORE_IMPLIB_FILE) + APACHE_SUBST(CORE_IMPLIB) + APACHE_SUBST(SH_LIBS) + APACHE_SUBST(SH_LIBTOOL) + APACHE_SUBST(MK_IMPLIB) + APACHE_SUBST(MKDEP) + APACHE_SUBST(INSTALL_PROG_FLAGS) + APACHE_SUBST(MPM_MODULES) + APACHE_SUBST(ENABLED_MPM_MODULE) + APACHE_SUBST(DSO_MODULES) + APACHE_SUBST(ENABLED_DSO_MODULES) + APACHE_SUBST(LOAD_ALL_MODULES) + APACHE_SUBST(APR_BINDIR) + APACHE_SUBST(APR_INCLUDEDIR) + APACHE_SUBST(APR_VERSION) + APACHE_SUBST(APR_CONFIG) + APACHE_SUBST(APU_BINDIR) + APACHE_SUBST(APU_INCLUDEDIR) + APACHE_SUBST(APU_VERSION) + APACHE_SUBST(APU_CONFIG) + + abs_srcdir="`(cd $srcdir && pwd)`" + + AC_MSG_NOTICE([creating config_vars.mk]) + test -d build || $mkdir_p build + > build/config_vars.mk + for i in $APACHE_VAR_SUBST; do + eval echo "$i = \$$i" >> build/config_vars.mk + done +]) + +dnl APACHE_GEN_MAKEFILES +dnl Creates Makefiles +AC_DEFUN([APACHE_GEN_MAKEFILES],[ + $SHELL $srcdir/build/fastgen.sh $srcdir $ac_cv_mkdir_p $BSD_MAKEFILE $APACHE_FAST_OUTPUT_FILES +]) + +dnl +dnl APACHE_TYPE_RLIM_T +dnl +dnl If rlim_t is not defined, define it to int +dnl +AC_DEFUN([APACHE_TYPE_RLIM_T], [ + AC_CACHE_CHECK([for rlim_t], ac_cv_type_rlim_t, [ + AC_TRY_COMPILE([ +#include <sys/types.h> +#include <sys/time.h> +#include <sys/resource.h> +], [rlim_t spoon;], [ + ac_cv_type_rlim_t=yes + ],[ac_cv_type_rlim_t=no + ]) + ]) + if test "$ac_cv_type_rlim_t" = "no" ; then + AC_DEFINE(rlim_t, int, + [Define to 'int' if <sys/resource.h> doesn't define it for us]) + fi +]) + +dnl the list of build variables which are available for customization on a +dnl per module subdir basis (to be inserted into modules.mk with a "MOD_" +dnl prefix, i.e. MOD_CFLAGS etc.). Used in APACHE_MODPATH_{INIT,FINISH}. +define(mod_buildvars, [CFLAGS CXXFLAGS CPPFLAGS LDFLAGS LIBS INCLUDES]) +dnl +dnl APACHE_MODPATH_INIT(modpath) +AC_DEFUN([APACHE_MODPATH_INIT],[ + current_dir=$1 + modpath_current=modules/$1 + modpath_static= + modpath_shared= + for var in mod_buildvars; do + eval MOD_$var= + done + test -d $1 || $srcdir/build/mkdir.sh $modpath_current + > $modpath_current/modules.mk +])dnl +dnl +AC_DEFUN([APACHE_MODPATH_FINISH],[ + echo "DISTCLEAN_TARGETS = modules.mk" >> $modpath_current/modules.mk + echo "static = $modpath_static" >> $modpath_current/modules.mk + echo "shared = $modpath_shared" >> $modpath_current/modules.mk + for var in mod_buildvars; do + if eval val=\"\$MOD_$var\"; test -n "$val"; then + echo "MOD_$var = $val" >> $modpath_current/modules.mk + fi + done + if test ! -z "$modpath_static" -o ! -z "$modpath_shared"; then + MODULE_DIRS="$MODULE_DIRS $current_dir" + else + MODULE_CLEANDIRS="$MODULE_CLEANDIRS $current_dir" + fi + APACHE_FAST_OUTPUT($modpath_current/Makefile) +])dnl +dnl +dnl APACHE_MODPATH_ADD(name[, shared[, objects [, ldflags[, libs]]]]) +AC_DEFUN([APACHE_MODPATH_ADD],[ + if test -z "$3"; then + objects="mod_$1.lo" + else + objects="$3" + fi + + if test -z "$module_standalone"; then + if test -z "$2"; then + # The filename of a convenience library must have a "lib" prefix: + libname="libmod_$1.la" + BUILTIN_LIBS="$BUILTIN_LIBS $modpath_current/$libname" + modpath_static="$modpath_static $libname" + cat >>$modpath_current/modules.mk<<EOF +$libname: $objects + \$(MOD_LINK) $objects $5 +EOF + if test ! -z "$5"; then + APR_ADDTO(AP_LIBS, [$5]) + fi + else + apache_need_shared=yes + libname="mod_$1.la" + shobjects=`echo $objects | sed 's/\.lo/.slo/g'` + modpath_shared="$modpath_shared $libname" + cat >>$modpath_current/modules.mk<<EOF +$libname: $shobjects + \$(SH_LINK) -rpath \$(libexecdir) -module -avoid-version $4 $objects $5 +EOF + fi + fi +])dnl + +dnl +dnl APACHE_MPM_MODULE(name[, shared[, objects[, config[, path[, libs]]]]]) +dnl +dnl Provide information for building the MPM. (Enablement is handled using +dnl --with-mpm/--enable-mpms-shared.) +dnl +dnl name -- name of MPM, same as MPM directory name +dnl shared -- "shared" to indicate shared module build, empty string otherwise +dnl objects -- one or more .lo files to link into the MPM module (default: mpmname.lo) +dnl config -- configuration logic to run if the MPM is enabled +dnl path -- relative path to MPM (default: server/mpm/mpmname) +dnl libs -- libs needed by this MPM +dnl +AC_DEFUN([APACHE_MPM_MODULE],[ + if ap_mpm_is_enabled $1; then + if test -z "$3"; then + objects="$1.lo" + else + objects="$3" + fi + + if test -z "$5"; then + mpmpath="server/mpm/$1" + else + mpmpath=$5 + fi + + dnl VPATH support + test -d $mpmpath || $srcdir/build/mkdir.sh $mpmpath + + APACHE_FAST_OUTPUT($mpmpath/Makefile) + + if test -z "$2"; then + APR_ADDTO(AP_LIBS, [$6]) + libname="lib$1.la" + cat >$mpmpath/modules.mk<<EOF +$libname: $objects + \$(MOD_LINK) $objects +DISTCLEAN_TARGETS = modules.mk +static = $libname +shared = +EOF + else + apache_need_shared=yes + libname="mod_mpm_$1.la" + shobjects=`echo $objects | sed 's/\.lo/.slo/g'` + cat >$mpmpath/modules.mk<<EOF +$libname: $shobjects + \$(SH_LINK) -rpath \$(libexecdir) -module -avoid-version $objects $6 +DISTCLEAN_TARGETS = modules.mk +static = +shared = $libname +EOF + MPM_MODULES="$MPM_MODULES mpm_$1" + # add default MPM to LoadModule list + if test $1 = $default_mpm; then + ENABLED_MPM_MODULE="mpm_$1" + fi + fi + $4 + fi +])dnl + +dnl +dnl APACHE_MODULE(name, helptext[, objects[, structname[, default[, config[, prereq_module]]]]]) +dnl +dnl default is one of: +dnl yes -- enabled by default. user must explicitly disable. +dnl no -- disabled under default, most, all. user must explicitly enable. +dnl most -- disabled by default. enabled explicitly or with most or all. +dnl static -- enabled as static by default, must be explicitly changed. +dnl "" -- disabled under default, most. enabled explicitly or with all. +dnl XXX: The arg must really be empty here. Passing an empty shell +dnl XXX: variable doesn't work for some reason. This should be +dnl XXX: fixed. +dnl +dnl basically: yes/no is a hard setting. "most" means follow the "most" +dnl setting. otherwise, fall under the "all" setting. +dnl explicit yes/no always overrides, except if the user selects +dnl "reallyall". +dnl +dnl prereq_module is a module (without the "mod_" prefix) that must be enabled +dnl if the current module is enabled. If the current module is built +dnl statically, prereq_module must be built statically, too. If these +dnl conditions are not fulfilled, configure will abort if the current module +dnl has been enabled explicitly. Otherwise, configure will disable the +dnl current module. +dnl prereq_module's APACHE_MODULE() statement must have been processed +dnl before the current APACHE_MODULE() statement. +dnl +AC_DEFUN([APACHE_MODULE],[ + AC_MSG_CHECKING(whether to enable mod_$1) + define([optname],[--]ifelse($5,yes,disable,enable)[-]translit($1,_,-))dnl + AC_ARG_ENABLE(translit($1,_,-),APACHE_HELP_STRING(optname(),$2),force_$1=$enableval,enable_$1=ifelse($5,,maybe-all,$5)) + undefine([optname])dnl + _apmod_extra_msg="" + dnl If the module was not explicitly requested, allow it to disable itself if + dnl its pre-reqs fail. + case "$enable_$1" in + yes|static|shared) + _apmod_required="yes" + ;; + *) + _apmod_required="no" + ;; + esac + if test "$enable_$1" = "static" -o "$enable_$1" = "shared"; then + : + elif test "$enable_$1" = "yes"; then + enable_$1=$module_default + elif test "$enable_$1" = "few"; then + if test "$module_selection" = "few" -o "$module_selection" = "most" -o \ + "$module_selection" = "all" -o "$module_selection" = "reallyall" + then + enable_$1=$module_default + else + enable_$1=no + fi + _apmod_extra_msg=" ($module_selection)" + elif test "$enable_$1" = "most"; then + if test "$module_selection" = "most" -o "$module_selection" = "all" -o \ + "$module_selection" = "reallyall" + then + enable_$1=$module_default + else + enable_$1=no + fi + _apmod_extra_msg=" ($module_selection)" + elif test "$enable_$1" = "all" -o "$enable_$1" = "maybe-all"; then + if test "$module_selection" = "all" -o "$module_selection" = "reallyall" + then + enable_$1=$module_default + _apmod_extra_msg=" ($module_selection)" + else + enable_$1=no + fi + elif test "$enable_$1" = "reallyall" -o "$enable_$1" = "no" ; then + if test "$module_selection" = "reallyall" -a "$force_$1" != "no" ; then + enable_$1=$module_default + _apmod_extra_msg=" ($module_selection)" + else + enable_$1=no + fi + else + enable_$1=no + fi + if test "$enable_$1" != "no"; then + dnl If we plan to enable it, allow the module to run some autoconf magic + dnl that may disable it because of missing dependencies. + ifelse([$6$7],,:, + [AC_MSG_RESULT([checking dependencies]) + ifelse([$7],,:,[m4_foreach([prereq],[$7], + [if test "$enable_[]prereq" = "no" ; then + enable_$1=no + AC_MSG_WARN("mod_[]prereq is disabled but required for mod_$1") + elif test "$enable_$1" = "static" && test "$enable_[]prereq" != "static" ; then + enable_$1=$enable_[]prereq + AC_MSG_WARN("building mod_$1 shared because mod_[]prereq is built shared") + el])se]) + ifelse([$6],,:,[ $6]) + ifelse([$7],,:,[fi]) + AC_MSG_CHECKING(whether to enable mod_$1) + if test "$enable_$1" = "no"; then + if test "$_apmod_required" = "no"; then + _apmod_extra_msg=" (disabled)" + else + AC_MSG_ERROR([mod_$1 has been requested but can not be built due to prerequisite failures]) + fi + fi]) + fi + AC_MSG_RESULT($enable_$1$_apmod_extra_msg) + if test "$enable_$1" != "no"; then + case "$enable_$1" in + static*) + MODLIST="$MODLIST ifelse($4,,$1,$4)" + if test "$1" = "so"; then + sharedobjs=yes + fi + shared="";; + *) + sharedobjs=yes + shared=yes + DSO_MODULES="$DSO_MODULES $1" + if test "$5" = "yes" ; then + ENABLED_DSO_MODULES="${ENABLED_DSO_MODULES},$1" + fi + ;; + esac + define([modprefix], [MOD_]translit($1, [a-z-], [A-Z_])) + APACHE_MODPATH_ADD($1, $shared, $3,, [\$(]modprefix[_LDADD)]) + APACHE_SUBST(modprefix[_LDADD]) + undefine([modprefix]) + fi +])dnl + +dnl +dnl APACHE_ENABLE_MODULES +dnl +AC_DEFUN([APACHE_ENABLE_MODULES],[ + module_selection=most + module_default=shared + + dnl Check whether we have DSO support. + dnl If "yes", we build shared modules by default. + APR_CHECK_APR_DEFINE(APR_HAS_DSO) + + if test $ac_cv_define_APR_HAS_DSO = "no"; then + AC_MSG_WARN([Missing DSO support - building static modules by default.]) + module_default=static + fi + + + AC_ARG_ENABLE(modules, + APACHE_HELP_STRING(--enable-modules=MODULE-LIST,Space-separated list of modules to enable | "all" | "most" | "few" | "none" | "reallyall"),[ + if test "$enableval" = "none"; then + module_default=no + module_selection=none + else + for i in $enableval; do + if test "$i" = "all" -o "$i" = "most" -o "$i" = "few" -o "$i" = "reallyall" + then + module_selection=$i + else + i=`echo $i | sed 's/-/_/g'` + eval "enable_$i=shared" + fi + done + fi + ]) + + AC_ARG_ENABLE(mods-shared, + APACHE_HELP_STRING(--enable-mods-shared=MODULE-LIST,Space-separated list of shared modules to enable | "all" | "most" | "few" | "reallyall"),[ + for i in $enableval; do + if test "$i" = "all" -o "$i" = "most" -o "$i" = "few" -o "$i" = "reallyall" + then + module_selection=$i + module_default=shared + else + i=`echo $i | sed 's/-/_/g'` + eval "enable_$i=shared" + fi + done + ]) + + AC_ARG_ENABLE(mods-static, + APACHE_HELP_STRING(--enable-mods-static=MODULE-LIST,Space-separated list of static modules to enable | "all" | "most" | "few" | "reallyall"),[ + for i in $enableval; do + if test "$i" = "all" -o "$i" = "most" -o "$i" = "few" -o "$i" = "reallyall"; then + module_selection=$i + module_default=static + else + i=`echo $i | sed 's/-/_/g'` + eval "enable_$i=static" + fi + done + ]) +]) + +AC_DEFUN([APACHE_REQUIRE_CXX],[ + if test -z "$apache_cxx_done"; then + AC_PROG_CXX + AC_PROG_CXXCPP + apache_cxx_done=yes + fi +]) + +dnl +dnl APACHE_CHECK_OPENSSL +dnl +dnl Configure for OpenSSL, giving preference to +dnl "--with-ssl=<path>" if it was specified. +dnl +AC_DEFUN([APACHE_CHECK_OPENSSL],[ + AC_CACHE_CHECK([for OpenSSL], [ac_cv_openssl], [ + dnl initialise the variables we use + ac_cv_openssl=no + ap_openssl_found="" + ap_openssl_base="" + ap_openssl_libs="" + ap_openssl_mod_cflags="" + ap_openssl_mod_ldflags="" + + dnl Determine the OpenSSL base directory, if any + AC_MSG_CHECKING([for user-provided OpenSSL base directory]) + AC_ARG_WITH(ssl, APACHE_HELP_STRING(--with-ssl=PATH,OpenSSL installation directory), [ + dnl If --with-ssl specifies a directory, we use that directory + if test "x$withval" != "xyes" -a "x$withval" != "x"; then + dnl This ensures $withval is actually a directory and that it is absolute + ap_openssl_base="`cd $withval ; pwd`" + fi + ]) + if test "x$ap_openssl_base" = "x"; then + AC_MSG_RESULT(none) + else + AC_MSG_RESULT($ap_openssl_base) + fi + + dnl Run header and version checks + saved_CPPFLAGS="$CPPFLAGS" + saved_LIBS="$LIBS" + saved_LDFLAGS="$LDFLAGS" + + dnl Before doing anything else, load in pkg-config variables + if test -n "$PKGCONFIG"; then + saved_PKG_CONFIG_PATH="$PKG_CONFIG_PATH" + if test "x$ap_openssl_base" != "x"; then + if test -f "${ap_openssl_base}/lib/pkgconfig/openssl.pc"; then + dnl Ensure that the given path is used by pkg-config too, otherwise + dnl the system openssl.pc might be picked up instead. + PKG_CONFIG_PATH="${ap_openssl_base}/lib/pkgconfig${PKG_CONFIG_PATH+:}${PKG_CONFIG_PATH}" + export PKG_CONFIG_PATH + elif test -f "${ap_openssl_base}/lib64/pkgconfig/openssl.pc"; then + dnl Ensure that the given path is used by pkg-config too, otherwise + dnl the system openssl.pc might be picked up instead. + PKG_CONFIG_PATH="${ap_openssl_base}/lib64/pkgconfig${PKG_CONFIG_PATH+:}${PKG_CONFIG_PATH}" + export PKG_CONFIG_PATH + fi + fi + AC_ARG_ENABLE(ssl-staticlib-deps,APACHE_HELP_STRING(--enable-ssl-staticlib-deps,[link mod_ssl with dependencies of OpenSSL's static libraries (as indicated by "pkg-config --static"). Must be specified in addition to --enable-ssl.]), [ + if test "$enableval" = "yes"; then + PKGCONFIG_LIBOPTS="--static" + fi + ]) + ap_openssl_libs="`$PKGCONFIG $PKGCONFIG_LIBOPTS --libs-only-l --silence-errors openssl`" + if test $? -eq 0; then + ap_openssl_found="yes" + pkglookup="`$PKGCONFIG --cflags-only-I openssl`" + APR_ADDTO(CPPFLAGS, [$pkglookup]) + APR_ADDTO(MOD_CFLAGS, [$pkglookup]) + APR_ADDTO(ab_CFLAGS, [$pkglookup]) + pkglookup="`$PKGCONFIG $PKGCONFIG_LIBOPTS --libs-only-L openssl`" + APR_ADDTO(LDFLAGS, [$pkglookup]) + APR_ADDTO(MOD_LDFLAGS, [$pkglookup]) + pkglookup="`$PKGCONFIG $PKGCONFIG_LIBOPTS --libs-only-other openssl`" + APR_ADDTO(LDFLAGS, [$pkglookup]) + APR_ADDTO(MOD_LDFLAGS, [$pkglookup]) + fi + PKG_CONFIG_PATH="$saved_PKG_CONFIG_PATH" + fi + + dnl fall back to the user-supplied directory if not found via pkg-config + if test "x$ap_openssl_base" != "x" -a "x$ap_openssl_found" = "x"; then + APR_ADDTO(CPPFLAGS, [-I$ap_openssl_base/include]) + APR_ADDTO(MOD_CFLAGS, [-I$ap_openssl_base/include]) + APR_ADDTO(ab_CFLAGS, [-I$ap_openssl_base/include]) + APR_ADDTO(LDFLAGS, [-L$ap_openssl_base/lib]) + APR_ADDTO(MOD_LDFLAGS, [-L$ap_openssl_base/lib]) + if test "x$ap_platform_runtime_link_flag" != "x"; then + APR_ADDTO(LDFLAGS, [$ap_platform_runtime_link_flag$ap_openssl_base/lib]) + APR_ADDTO(MOD_LDFLAGS, [$ap_platform_runtime_link_flag$ap_openssl_base/lib]) + fi + fi + + AC_MSG_CHECKING([for OpenSSL version >= 0.9.8a]) + AC_TRY_COMPILE([#include <openssl/opensslv.h>],[ +#if !defined(OPENSSL_VERSION_NUMBER) +#error "Missing OpenSSL version" +#endif +#if OPENSSL_VERSION_NUMBER < 0x0090801f +#error "Unsupported OpenSSL version " OPENSSL_VERSION_TEXT +#endif], + [AC_MSG_RESULT(OK) + ac_cv_openssl=yes], + [AC_MSG_RESULT(FAILED)]) + + if test "x$ac_cv_openssl" = "xyes"; then + ap_openssl_libs="${ap_openssl_libs:--lssl -lcrypto} `$apr_config --libs`" + APR_ADDTO(MOD_LDFLAGS, [$ap_openssl_libs]) + APR_ADDTO(LIBS, [$ap_openssl_libs]) + APR_SETVAR(ab_LIBS, [$MOD_LDFLAGS]) + APACHE_SUBST(ab_CFLAGS) + APACHE_SUBST(ab_LIBS) + + dnl Run library and function checks + liberrors="" + AC_CHECK_HEADERS([openssl/engine.h]) + AC_CHECK_FUNCS([SSL_CTX_new], [], [liberrors="yes"]) + AC_CHECK_FUNCS([OPENSSL_init_ssl]) + AC_CHECK_FUNCS([ENGINE_init ENGINE_load_builtin_engines RAND_egd]) + if test "x$liberrors" != "x"; then + AC_MSG_WARN([OpenSSL libraries are unusable]) + fi + else + AC_MSG_WARN([OpenSSL version is too old]) + fi + + dnl restore + CPPFLAGS="$saved_CPPFLAGS" + LIBS="$saved_LIBS" + LDFLAGS="$saved_LDFLAGS" + + dnl cache MOD_LDFLAGS, MOD_CFLAGS + ap_openssl_mod_cflags=$MOD_CFLAGS + ap_openssl_mod_ldflags=$MOD_LDFLAGS + ]) + if test "x$ac_cv_openssl" = "xyes"; then + AC_DEFINE(HAVE_OPENSSL, 1, [Define if OpenSSL is available]) + APR_ADDTO(MOD_LDFLAGS, [$ap_openssl_mod_ldflags]) + APR_ADDTO(MOD_CFLAGS, [$ap_openssl_mod_cflags]) + fi +]) + +AC_DEFUN([APACHE_CHECK_SYSTEMD], [ +dnl Check for systemd support for listen.c's socket activation. +case $host in +*-linux-*) + if test -n "$PKGCONFIG" && $PKGCONFIG --exists libsystemd; then + SYSTEMD_LIBS=`$PKGCONFIG --libs libsystemd` + elif test -n "$PKGCONFIG" && $PKGCONFIG --exists libsystemd-daemon; then + SYSTEMD_LIBS=`$PKGCONFIG --libs libsystemd-daemon` + else + AC_CHECK_LIB(systemd-daemon, sd_notify, SYSTEMD_LIBS="-lsystemd-daemon") + fi + if test -n "$SYSTEMD_LIBS"; then + AC_CHECK_HEADERS(systemd/sd-daemon.h) + if test "${ac_cv_header_systemd_sd_daemon_h}" = "no" || test -z "${SYSTEMD_LIBS}"; then + AC_MSG_WARN([Your system does not support systemd.]) + else + AC_DEFINE(HAVE_SYSTEMD, 1, [Define if systemd is supported]) + fi + fi + ;; +esac +]) + +dnl +dnl APACHE_EXPORT_ARGUMENTS +dnl Export (via APACHE_SUBST) the various path-related variables that +dnl apache will use while generating scripts like autoconf and apxs and +dnl the default config file. + +AC_DEFUN([APACHE_SUBST_EXPANDED_ARG],[ + APR_EXPAND_VAR(exp_$1, [$]$1) + APACHE_SUBST(exp_$1) + APR_PATH_RELATIVE(rel_$1, [$]exp_$1, ${prefix}) + APACHE_SUBST(rel_$1) +]) + +AC_DEFUN([APACHE_EXPORT_ARGUMENTS],[ + APACHE_SUBST_EXPANDED_ARG(exec_prefix) + APACHE_SUBST_EXPANDED_ARG(bindir) + APACHE_SUBST_EXPANDED_ARG(sbindir) + APACHE_SUBST_EXPANDED_ARG(libdir) + APACHE_SUBST_EXPANDED_ARG(libexecdir) + APACHE_SUBST_EXPANDED_ARG(mandir) + APACHE_SUBST_EXPANDED_ARG(sysconfdir) + APACHE_SUBST_EXPANDED_ARG(datadir) + APACHE_SUBST_EXPANDED_ARG(installbuilddir) + APACHE_SUBST_EXPANDED_ARG(errordir) + APACHE_SUBST_EXPANDED_ARG(iconsdir) + APACHE_SUBST_EXPANDED_ARG(htdocsdir) + APACHE_SUBST_EXPANDED_ARG(manualdir) + APACHE_SUBST_EXPANDED_ARG(cgidir) + APACHE_SUBST_EXPANDED_ARG(includedir) + APACHE_SUBST_EXPANDED_ARG(localstatedir) + APACHE_SUBST_EXPANDED_ARG(runtimedir) + APACHE_SUBST_EXPANDED_ARG(logfiledir) + APACHE_SUBST_EXPANDED_ARG(proxycachedir) +]) + +dnl +dnl APACHE_CHECK_APxVER({apr|apu}, major, minor, +dnl [actions-if-ok], [actions-if-not-ok]) +dnl +dnl Checks for APR or APR-util of given major/minor version or later; +dnl if so, runs actions-if-ok; otherwise runs actions-if-not-ok if given. +dnl If the version is not satisfactory and actions-if-not-ok is not +dnl given, then an error is printed and the configure script is aborted. +dnl +dnl The first argument must be [apr] or [apu]. +dnl +AC_DEFUN([APACHE_CHECK_APxVER], [ +define(ap_ckver_major, translit($1, [apru], [APRU])[_MAJOR_VERSION]) +define(ap_ckver_minor, translit($1, [apru], [APRU])[_MINOR_VERSION]) +define(ap_ckver_cvar, [ap_cv_$1ver$2$3]) +define(ap_ckver_name, ifelse([$1],[apr],[APR],[APR-util])) + +ap_ckver_CPPFLAGS="$CPPFLAGS" +CPPFLAGS="$CPPFLAGS `$[$1]_config --includes`" + +AC_CACHE_CHECK([for ap_ckver_name version $2.$3.0 or later], ap_ckver_cvar, [ +AC_EGREP_CPP([good], [ +#include <$1_version.h> +#if ]ap_ckver_major[ > $2 || (]ap_ckver_major[ == $2 && ]ap_ckver_minor[ >= $3) +good +#endif +], [ap_ckver_cvar=yes], [ap_ckver_cvar=no])]) + +if test "$ap_ckver_cvar" = "yes"; then + ifelse([$4],[],[:],[$4]) +else + ifelse([$5],[],[AC_MSG_ERROR([ap_ckver_name version $2.$3.0 or later is required])], [$5]) +fi + +CPPFLAGS="$ap_ckver_CPPFLAGS" + +undefine([ap_ckver_major]) +undefine([ap_ckver_minor]) +undefine([ap_ckver_cvar]) +undefine([ap_ckver_name]) +]) + +dnl +dnl APACHE_CHECK_VOID_PTR_LEN +dnl +dnl Checks if the size of a void pointer is at least as big as a "long" +dnl integer type. +dnl +AC_DEFUN([APACHE_CHECK_VOID_PTR_LEN], [ + +AC_CACHE_CHECK([for void pointer length], [ap_cv_void_ptr_lt_long], +[AC_TRY_RUN([ +int main(void) +{ + return sizeof(void *) < sizeof(long); +}], [ap_cv_void_ptr_lt_long=no], [ap_cv_void_ptr_lt_long=yes], + [ap_cv_void_ptr_lt_long=yes])]) + +if test "$ap_cv_void_ptr_lt_long" = "yes"; then + AC_MSG_ERROR([Size of "void *" is less than size of "long"]) +fi +]) + +dnl +dnl APACHE_CHECK_APR_HAS_LDAP +dnl +dnl Check if APR_HAS_LDAP is 1 +dnl Unfortunately, we can't use APR_CHECK_APR_DEFINE (because it only includes apr.h) +dnl or APR_CHECK_DEFINE (because it only checks for defined'ness and not for 0/1). +dnl +AC_DEFUN([APACHE_CHECK_APR_HAS_LDAP], [ + AC_CACHE_CHECK([for ldap support in apr/apr-util],ac_cv_APR_HAS_LDAP,[ + apache_old_cppflags="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $INCLUDES" + AC_EGREP_CPP(YES_IS_DEFINED, [ +#include <apr_ldap.h> +#if APR_HAS_LDAP +YES_IS_DEFINED +#endif + ], ac_cv_APR_HAS_LDAP=yes, ac_cv_APR_HAS_LDAP=no) + CPPFLAGS="$apache_old_cppflags" + ]) +]) + +dnl +dnl APACHE_ADD_GCC_CFLAG +dnl +dnl Check if compiler is gcc and supports flag. If yes, add to NOTEST_CFLAGS. +dnl NOTEST_CFLAGS is merged lately, thus it won't accumulate in CFLAGS here. +dnl Also, AC_LANG_PROGRAM() itself is known to trigger [-Wstrict-prototypes] +dnl with some autoconf versions, so we force -Wno-strict-prototypes for the +dnl check to avoid spurious failures when adding flags like -Werror. +dnl +AC_DEFUN([APACHE_ADD_GCC_CFLAG], [ + define([ap_gcc_ckvar], [ac_cv_gcc_]translit($1, [-:.=], [____])) + if test "$GCC" = "yes"; then + AC_CACHE_CHECK([whether gcc accepts $1], ap_gcc_ckvar, [ + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $1 -Wno-strict-prototypes" + AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], + [ap_gcc_ckvar=yes], [ap_gcc_ckvar=no]) + CFLAGS="$save_CFLAGS" + ]) + if test "$]ap_gcc_ckvar[" = "yes" ; then + APR_ADDTO(NOTEST_CFLAGS,[$1]) + fi + fi + undefine([ap_gcc_ckvar]) +]) |