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
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 $(variable))
APACHE_VAR_SUBST="$APACHE_VAR_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
AC_DEFUN(APACHE_GEN_CONFIG_VARS,[
APACHE_SUBST(exec_prefix)
APACHE_SUBST(localstatedir)
APACHE_SUBST(installbuilddir)
APACHE_SUBST(proxycachedir)
APACHE_SUBST(other_targets)
APACHE_SUBST(HTTPD_LDFLAGS)
APACHE_SUBST(UTIL_LDFLAGS)
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_INCLUDES)
APACHE_SUBST(INTERNAL_CPPFLAGS)
APACHE_SUBST(MODULE_DIRS)
APACHE_SUBST(MODULE_CLEANDIRS)
APACHE_SUBST(CORE_IMPLIB_FILE)
APACHE_SUBST(CORE_IMPLIB)
APACHE_SUBST(INSTALL_PROG_FLAGS)
APACHE_SUBST(DSO_MODULES)
APACHE_SUBST(APR_INCLUDEDIR)
APACHE_SUBST(APR_VERSION)
APACHE_SUBST(APU_INCLUDEDIR)
APACHE_SUBST(APU_VERSION)
abs_srcdir="`(cd $srcdir && pwd)`"
test -d build || $mkdir_p build
for i in $APACHE_VAR_SUBST; do
AC_DEFUN(APACHE_GEN_MAKEFILES,[
dnl ## APACHE_OUTPUT(file)
dnl ## adds "file" to the list of files generated by AC_OUTPUT
dnl ## This macro can be used several times.
AC_DEFUN(APACHE_OUTPUT, [
APACHE_OUTPUT_FILES="$APACHE_OUTPUT_FILES $1"
dnl If rlim_t is not defined, define it to int
AC_DEFUN(APACHE_TYPE_RLIM_T, [
AC_CACHE_CHECK([for rlim_t], ac_cv_type_rlim_t, [
if test "$ac_cv_type_rlim_t" = "no" ; then
dnl APACHE_MODPATH_INIT(modpath)
AC_DEFUN(APACHE_MODPATH_INIT,[
modpath_current=modules/$1
AC_DEFUN(APACHE_MODPATH_FINISH,[
if test ! -z "$modpath_static" -o ! -z "$modpath_shared"; then
MODULE_DIRS="$MODULE_DIRS $current_dir"
MODULE_CLEANDIRS="$MODULE_CLEANDIRS $current_dir"
dnl APACHE_MODPATH_ADD(name[, shared[, objects [, ldflags[, libs]]]])
AC_DEFUN(APACHE_MODPATH_ADD,[
if test -z "$module_standalone"; then
# The filename of a convenience library must have a "lib" prefix:
BUILTIN_LIBS="$BUILTIN_LIBS $modpath_current/$libname"
modpath_static="$modpath_static $libname"
shobjects=`echo $objects | sed 's/\.lo/.slo/g'`
modpath_shared="$modpath_shared $libname"
\$(SH_LINK) -rpath \$(libexecdir) -module -avoid-version $4 $objects $5
dnl APACHE_MPM_MODULE(name[, shared[, objects[, config[, path[, libs]]]]])
dnl Provide information for building the MPM. (Enablement is handled using
dnl --with-mpm/--enable-mpms-shared.)
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 libs -- libs needed by this MPM
AC_DEFUN(APACHE_MPM_MODULE,[
if ap_mpm_is_enabled $1; then
shobjects=`echo $objects | sed 's/\.lo/.slo/g'`
\$(SH_LINK) -rpath \$(libexecdir) -module -avoid-version $objects $6
# add default MPM to LoadModule list
if test $1 = $default_mpm; then
DSO_MODULES="$DSO_MODULES mpm_$1"
dnl APACHE_MODULE(name, helptext[, objects[, structname[, default[, config]]]])
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 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
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,$5))
dnl When --enable-modules=most or --enable-modules=(really)all is set and the
dnl module was not explicitly requested, allow a module to disable itself if
case "$module_selection" in
if test "$enable_$1" = "static"; then
elif test "$enable_$1" = "yes"; then
enable_$1=$module_default
elif test "$enable_$1" = "most"; then
if test "$module_selection" = "most" -o "$module_selection" = "all" -o \
"$module_selection" = "reallyall"
enable_$1=$module_default
elif test "$module_selection" = "few" -o "$module_selection" = "none"; then
_apmod_extra_msg=" ($module_selection)"
elif test "$enable_$1" = "maybe-all"; then
if test "$module_selection" = "all" -o "$module_selection" = "reallyall"
enable_$1=$module_default
_apmod_extra_msg=" ($module_selection)"
elif test "$enable_$1" = "no" -a "$module_selection" = "reallyall" -a \
"$force_$1" != "no" ; then
enable_$1=$module_default
_apmod_extra_msg=" ($module_selection)"
if test "$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],,:,[AC_MSG_RESULT([checking dependencies])
AC_MSG_CHECKING(whether to enable mod_$1)
if test "$enable_$1" = "no"; then
if test "$_apmod_error_fatal" = "no"; then
_apmod_extra_msg=" (disabled)"
AC_MSG_ERROR([mod_$1 has been requested but can not be built due to prerequisite failures])
AC_MSG_RESULT($enable_$1$_apmod_extra_msg)
if test "$enable_$1" != "no"; then
MODLIST="$MODLIST ifelse($4,,$1,$4)"
if test "$1" = "so"; then
enable_$1=`echo $enable_$1|sed '
s/shared,*//'`
DSO_MODULES="$DSO_MODULES $1"
define([modprefix], [MOD_]translit($1, [a-z-], [A-Z_]))
APACHE_MODPATH_ADD($1, $shared, $3,, [\$(]modprefix[_LDADD)])
APACHE_SUBST(modprefix[_LDADD])
dnl APACHE_ENABLE_MODULES
AC_DEFUN(APACHE_ENABLE_MODULES,[
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 $ac_cv_define_APR_HAS_DSO = "no"; then
AC_MSG_WARN([Missing DSO support - building static modules by default.])
APACHE_HELP_STRING(--enable-modules=MODULE-LIST,Space-separated list of modules to enable | "all" | "most" | "few" | "none" | "reallyall"),[
if test "$enableval" = "none"; then
if test "$i" = "all" -o "$i" = "most" -o "$i" = "few" -o "$i" = "reallyall"
i=`echo $i | sed 's/-/_/g'`
AC_ARG_ENABLE(mods-shared,
APACHE_HELP_STRING(--enable-mods-shared=MODULE-LIST,Space-separated list of shared modules to enable | "all" | "most" | "few" | "reallyall"),[
if test "$i" = "all" -o "$i" = "most" -o "$i" = "few" -o "$i" = "reallyall"
i=`echo $i | sed 's/-/_/g'`
AC_ARG_ENABLE(mods-static,
APACHE_HELP_STRING(--enable-mods-static=MODULE-LIST,Space-separated list of static modules to enable | "all" | "most" | "few" | "reallyall"),[
if test "$i" = "all" -o "$i" = "most" -o "$i" = "few" -o "$i" = "reallyall"; then
i=`echo $i | sed 's/-/_/g'`
AC_DEFUN(APACHE_REQUIRE_CXX,[
if test -z "$apache_cxx_done"; then
dnl Configure for OpenSSL, giving preference to
dnl "--with-ssl=<path>" if it was specified.
AC_DEFUN(APACHE_CHECK_OPENSSL,[
AC_CACHE_CHECK([for OpenSSL], [ac_cv_openssl], [
dnl initialise the variables we use
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=DIR,OpenSSL base 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 $withval ; pwd`"
if test "x$ap_openssl_base" = "x"; then
AC_MSG_RESULT($ap_openssl_base)
dnl Run header and version checks
saved_CPPFLAGS="$CPPFLAGS"
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$ap_openssl_base" != "x" -a \
dnl Ensure that the given path is used by pkg-config too, otherwise
dnl the system
openssl.pc might be picked up instead.
PKG_CONFIG_PATH="${ap_openssl_base}
/lib/pkgconfig${PKG_CONFIG_PATH+:}${PKG_CONFIG_PATH}"
ap_openssl_libs="`$PKGCONFIG --libs-only-l openssl 2>&1`"
pkglookup="`$PKGCONFIG --cflags-only-I openssl`"
APR_ADDTO(CPPFLAGS, [$pkglookup])
APR_ADDTO(INCLUDES, [$pkglookup])
pkglookup="`$PKGCONFIG --libs-only-L --libs-only-other openssl`"
APR_ADDTO(LDFLAGS, [$pkglookup])
APR_ADDTO(SSL_LIBS, [$pkglookup])
PKG_CONFIG_PATH="$saved_PKG_CONFIG_PATH"
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
if test "x$ap_platform_runtime_link_flag" != "x"; then
AC_MSG_CHECKING([for OpenSSL version >= 0.9.7])
#if !defined(OPENSSL_VERSION_NUMBER)
#error "Missing OpenSSL version"
#if OPENSSL_VERSION_NUMBER < 0x0090700f
#error "Unsupported OpenSSL version " OPENSSL_VERSION_TEXT
if test "x$ac_cv_openssl" = "xyes"; then
ap_openssl_libs="-lssl -lcrypto `$apr_config --libs`"
APR_ADDTO(SSL_LIBS, [$ap_openssl_libs])
APR_ADDTO(LIBS, [$ap_openssl_libs])
dnl Run library and function checks
AC_CHECK_FUNCS([SSLeay_version SSL_CTX_new], [], [liberrors="yes"])
AC_CHECK_FUNCS([ENGINE_init ENGINE_load_builtin_engines])
if test "x$liberrors" != "x"; then
AC_MSG_WARN([OpenSSL libraries are unusable])
AC_MSG_WARN([OpenSSL version is too old])
CPPFLAGS="$saved_CPPFLAGS"
if test "x$ac_cv_openssl" = "xyes"; then
AC_DEFINE(HAVE_OPENSSL, 1, [Define if OpenSSL is available])
dnl Configure for the detected libserf, giving preference to
dnl "--with-serf=<path>" if it was specified.
AC_DEFUN([APACHE_CHECK_SERF], [
AC_CACHE_CHECK([for libserf], [ac_cv_serf], [
AC_ARG_WITH(serf, APACHE_HELP_STRING([--with-serf=PREFIX],
if test "$withval" = "yes" ; then
if test "$serf_prefix" != "no" ; then
save_cppflags="$CPPFLAGS"
AC_CHECK_LIB(serf-0, serf_context_create,[ac_cv_serf="yes"])
LDFLAGS="$save_ldflags"])
CPPFLAGS="$save_cppflags"
if test "$ac_cv_serf" = "yes"; then
AC_DEFINE(HAVE_SERF, 1, [Define if libserf is available])
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)
APR_PATH_RELATIVE(rel_$1, [$]exp_$1, ${prefix})
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 APACHE_CHECK_APxVER({apr|apu}, major, minor,
dnl [actions-if-ok], [actions-if-not-ok])
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 The first argument must be [apr] or [apu].
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, [
#if ]ap_ckver_major[ > $2 || (]ap_ckver_major[ == $2 && ]ap_ckver_minor[ >= $3)
], [ap_ckver_cvar=yes], [ap_ckver_cvar=no])])
if test "$ap_ckver_cvar" = "yes"; then
ifelse([$5],[],[AC_MSG_ERROR([ap_ckver_name version $2.$3.0 or later is required])], [$5])
CPPFLAGS="$ap_ckver_CPPFLAGS"
undefine([ap_ckver_major])
undefine([ap_ckver_minor])
undefine([ap_ckver_cvar])
undefine([ap_ckver_name])
dnl APACHE_CHECK_VOID_PTR_LEN
dnl Checks if the size of a void pointer is at least as big as a "long"
AC_DEFUN([APACHE_CHECK_VOID_PTR_LEN], [
AC_CACHE_CHECK([for void pointer length], [ap_cv_void_ptr_lt_long],
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 "$ap_cv_void_ptr_lt_long" = "yes"; then
AC_MSG_ERROR([Size of "void *" is less than size of "long"])
dnl APACHE_CHECK_APR_HAS_LDAP
dnl Check if APR_HAS_LDAP is 1
dnl Unfortunately, we can't use APR_CHECK_APR_DEFINE (because it only includes
apr.h)
dnl or APR_CHECK_DEFINE (because it only checks for defined'ness and not for 0/1).
AC_DEFUN([APACHE_CHECK_APR_HAS_LDAP], [
AC_CACHE_CHECK([for ldap support in
apr/apr-util],ac_cv_APR_HAS_LDAP,[
apache_old_cppflags="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $INCLUDES"
AC_EGREP_CPP(YES_IS_DEFINED, [
], ac_cv_APR_HAS_LDAP=yes, ac_cv_APR_HAS_LDAP=no)
CPPFLAGS="$apache_old_cppflags"