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(MODULE_DIRS)
APACHE_SUBST(MODULE_CLEANDIRS)
APACHE_SUBST(nonssl_listen_stmt_1)
APACHE_SUBST(nonssl_listen_stmt_2)
APACHE_SUBST(CORE_IMPLIB_FILE)
APACHE_SUBST(CORE_IMPLIB)
APACHE_SUBST(INSTALL_PROG_FLAGS)
APACHE_SUBST(DSO_MODULES)
APACHE_SUBST(APR_INCLUDEDIR)
APACHE_SUBST(APU_INCLUDEDIR)
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
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_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 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.
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),,enable_$1=ifelse($5,,maybe-all,$5))
dnl When --enable-modules=most is set and the module was not explicitly
dnl requested, allow a module to disable itself if its pre-reqs fail.
if test "$module_selection" = "most" -a "$enable_$1" = "most"; then
if test "$enable_$1" = "static"; then
elif test "$enable_$1" = "yes"; then
enable_$1=$module_default
_apmod_extra_msg=" ($module_selection)"
elif test "$enable_$1" = "most"; then
if test "$module_selection" = "most" -o "$module_selection" = "all"; then
enable_$1=$module_default
_apmod_extra_msg=" ($module_selection)"
elif test "$enable_$1" != "yes"; then
elif test "$enable_$1" = "maybe-all"; then
if test "$module_selection" = "all"; then
enable_$1=$module_default
_apmod_extra_msg=" (all)"
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
enable_$1=`echo $ac_n $enable_$1$ac_c|sed '
s/shared,*//'`
DSO_MODULES="$DSO_MODULES $1"
MODLIST="$MODLIST ifelse($4,,$1,$4)"
if test "$1" = "so"; then
APACHE_MODPATH_ADD($1, $shared, $3)
dnl APACHE_LAYOUT(configlayout, layoutname)
echo "** Error: Cannot use undefined layout '$LAYOUT'"
sed -e "1,/[ ]*<[lL]ayout[ ]*$2[ ]*>[ ]*/d" \
-e '/[ ]*<\/Layout>[ ]*/,$d' \
for var in prefix exec_prefix bindir sbindir libexecdir mandir \
sysconfdir datadir errordir iconsdir htdocsdir cgidir \
includedir localstatedir runtimedir logfiledir libdir \
manualdir proxycachedir installbuilddir; do
val=`echo $val | sed -e 's;\+$;;'`
val=`echo $val | sed -e 's:\(.\)/*$:\1:'`
val=`echo $val | sed -e 's:[\$]\([a-z_]*\):${\1}:g'`
if test "$autosuffix" = "yes"; then
if test "$addtarget" = "yes"; then
AC_DEFUN(APACHE_ENABLE_LAYOUT,[
[ --enable-layout=LAYOUT],[
if test -z "$LAYOUT"; then
AC_MSG_CHECKING(for chosen layout)
AC_MSG_RESULT($layout_name)
dnl APACHE_ENABLE_MODULES
AC_DEFUN(APACHE_ENABLE_MODULES,[
APACHE_HELP_STRING(--enable-modules=MODULE-LIST,Modules to enable),[
if test "$i" = "all" -o "$i" = "most"; then
AC_ARG_ENABLE(mods-shared,
APACHE_HELP_STRING(--enable-mods-shared=MODULE-LIST,Shared modules to enable),[
if test "$i" = "all" -o "$i" = "most"; then
i=`echo $i | sed 's/-/_/g'`
AC_DEFUN(APACHE_REQUIRE_CXX,[
if test -z "$apache_cxx_done"; then
dnl APACHE_CHECK_SSL_TOOLKIT
dnl Find the openssl toolkit installation and check it for the right
dnl version, then add its flags to INCLUDES and LIBS. This should
dnl really be using a custom AC_TRY_COMPILE function to test the includes
dnl and then AC_TRY_LINK to test the libraries directly for the version,
dnl but that will require someone who knows how to program openssl.
AC_DEFUN(APACHE_CHECK_SSL_TOOLKIT,[
if test "x$ap_ssltk_base" = "x"; then
AC_MSG_CHECKING(for
SSL/TLS toolkit base)
AC_ARG_WITH(ssl, APACHE_HELP_STRING(--with-ssl=DIR,
SSL/TLS toolkit (OpenSSL)), [
if test "x$withval" != "xyes" -a "x$withval" != "x"; then
ap_ssltk_version="unknown"
if test "x$ap_ssltk_base" = "x"; then
AC_CACHE_VAL(ap_cv_ssltk,[
# shotgun approach: find all occurrences of the openssl program
# The IFS=... trick eliminates the colons from $PATH, without using an external program
if test "x$ap_ssltk_version" != "x"; then
ap_cv_ssltk="`(cd $p/.. && pwd)`"
if test "x$ap_cv_ssltk" = "x"; then
AC_MSG_ERROR([requires OpenSSL 0.9.6e or higher])
ap_ssltk_base="$ap_cv_ssltk"
if test ! -d $ap_ssltk_base; then
AC_MSG_ERROR([invalid
SSL/TLS toolkit base directory $ap_ssltk_base])
AC_MSG_RESULT($ap_ssltk_base)
AC_MSG_CHECKING(for
SSL/TLS toolkit version)
AC_MSG_RESULT($ap_ssltk_version)
case "$ap_ssltk_version" in
"OpenSSL "0.9.6[[e-z]]* | \
"OpenSSL "0.9.[[7-9]]* | \
"OpenSSL "0.[[1-9]][[0-9]]* )
# okay versions that do not have known security holes
AC_MSG_WARN([OpenSSL versions prior to 0.9.6e have known security holes])
# unknown version -- assume the user knows what they are doing
AC_MSG_CHECKING(for
SSL/TLS toolkit includes)
if test "x$ap_ssltk_incdir" = "x"; then
AC_MSG_ERROR([OpenSSL headers not found])
AC_MSG_RESULT($ap_ssltk_incdir)
AC_MSG_CHECKING(for
SSL/TLS toolkit libraries)
if test ".$ap_ssltk_libdir" = .; then
AC_MSG_ERROR([OpenSSL libraries not found])
AC_MSG_RESULT($ap_ssltk_libdir)
dnl # annotate the Apache build environment with determined information
APR_ADDTO(INCLUDES, [-I$ap_ssltk_incdir])
if test "x$ap_ssltk_libdir" != "
x/usr/lib"; then
APR_ADDTO(LDFLAGS, [-L$ap_ssltk_libdir])
if test "x$ap_platform_runtime_link_flag" != "x"; then
APR_ADDTO(LDFLAGS, [$ap_platform_runtime_link_flag$ap_ssltk_libdir])
APR_ADDTO(LIBS, [-lssl -lcrypto])
ap_cv_ssltk="$ap_ssltk_base"
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)