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(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(LIBTOOL)

APACHE_SUBST(SHELL)

APACHE_SUBST(MODULE_DIRS)

APACHE_SUBST(MODULE_CLEANDIRS)

APACHE_SUBST(PORT)

APACHE_SUBST(nonssl_listen_stmt_1)

APACHE_SUBST(nonssl_listen_stmt_2)

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(DSO_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)`"

echo 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 ## 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

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 APACHE_MODPATH_INIT(modpath)

AC_DEFUN(APACHE_MODPATH_INIT,[

current_dir=$1

modpath_current=modules/$1

modpath_static=

modpath_shared=

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

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

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_MODULE(name, helptext[, objects[, structname[, default[, config]]]])

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

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.

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),,enable_$1=ifelse($5,,maybe-all,$5))

undefine([optname])dnl

_apmod_extra_msg=""

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

_apmod_error_fatal="no"

else

_apmod_error_fatal="yes"

fi

if test "$enable_$1" = "static"; then

enable_$1=yes

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

enable_$1=no

fi

elif test "$enable_$1" = "maybe-all"; then

if test "$module_selection" = "all"; then

enable_$1=$module_default

_apmod_extra_msg=" (all)"

else

enable_$1=no

fi

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],,:,[AC_MSG_RESULT([checking dependencies])

$6

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)"

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

shared*)

enable_$1=`echo $enable_$1|sed 's/shared,*//'`

sharedobjs=yes

shared=yes

DSO_MODULES="$DSO_MODULES $1"

;;

*)

MODLIST="$MODLIST ifelse($4,,$1,$4)"

if test "$1" = "so"; then

sharedobjs=yes

fi

shared="";;

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=default

module_default=yes

AC_ARG_ENABLE(modules,

APACHE_HELP_STRING(--enable-modules=MODULE-LIST,Space-separated list of modules to enable | "all" | "most"),[

for i in $enableval; do

if test "$i" = "all" -o "$i" = "most"; then

module_selection=$i

else

i=`echo $i | sed 's/-/_/g'`

eval "enable_$i=yes"

fi

done

])

AC_ARG_ENABLE(mods-shared,

APACHE_HELP_STRING(--enable-mods-shared=MODULE-LIST,Space-separated list of shared modules to enable | "all" | "most"),[

for i in $enableval; do

if test "$i" = "all" -o "$i" = "most"; then

module_selection=$i

module_default=shared

else

i=`echo $i | sed 's/-/_/g'`

eval "enable_$i=shared"

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_SSL_TOOLKIT

dnl

dnl Configure for the detected openssl/ssl-c toolkit installation, giving

dnl preference to "--with-ssl=<path>" if it was specified.

dnl

AC_DEFUN(APACHE_CHECK_SSL_TOOLKIT,[

if test "x$ap_ssltk_configured" = "x"; then

dnl initialise the variables we use

ap_ssltk_base=""

ap_ssltk_inc=""

ap_ssltk_lib=""

ap_ssltk_type=""

dnl Determine the SSL/TLS toolkit's base directory, if any

AC_MSG_CHECKING(for SSL/TLS toolkit base)

AC_ARG_WITH(sslc, APACHE_HELP_STRING(--with-sslc=DIR,RSA SSL-C SSL/TLS toolkit), [

dnl If --with-sslc specifies a directory, we use that directory or fail

if test "x$withval" != "xyes" -a "x$withval" != "x"; then

dnl This ensures $withval is actually a directory and that it is absolute

ap_ssltk_base="`cd $withval ; pwd`"

fi

ap_ssltk_type="sslc"

])

AC_ARG_WITH(ssl, APACHE_HELP_STRING(--with-ssl=DIR,OpenSSL SSL/TLS toolkit), [

dnl If --with-ssl specifies a directory, we use that directory or fail

if test "x$withval" != "xyes" -a "x$withval" != "x"; then

dnl This ensures $withval is actually a directory and that it is absolute

ap_ssltk_base="`cd $withval ; pwd`"

fi

])

if test "x$ap_ssltk_base" = "x"; then

AC_MSG_RESULT(none)

else

AC_MSG_RESULT($ap_ssltk_base)

fi

dnl Run header and version checks

saved_CPPFLAGS=$CPPFLAGS

if test "x$ap_ssltk_base" != "x"; then

ap_ssltk_inc="-I$ap_ssltk_base/include"

CPPFLAGS="$CPPFLAGS $ap_ssltk_inc"

fi

if test "x$ap_ssltk_type" = "x"; then

AC_MSG_CHECKING(for OpenSSL version)

dnl First check for manditory headers

AC_CHECK_HEADERS([openssl/opensslv.h openssl/ssl.h], [ap_ssltk_type="openssl"], [])

if test "$ap_ssltk_type" = "openssl"; then

dnl so it's OpenSSL - test for a good version

AC_TRY_COMPILE([#include <openssl/opensslv.h>],[

#if !defined(OPENSSL_VERSION_NUMBER)

#error "Missing openssl version"

#endif

#if (OPENSSL_VERSION_NUMBER < 0x009060af) \

|| ((OPENSSL_VERSION_NUMBER > 0x00907000) && (OPENSSL_VERSION_NUMBER < 0x0090702f))

#error "Insecure openssl version " OPENSSL_VERSION_TEXT

#endif],

[AC_MSG_RESULT(OK)],

[dnl Replace this with OPENSSL_VERSION_TEXT from opensslv.h?

AC_MSG_RESULT([not encouraging])

echo "WARNING: OpenSSL version may contain security vulnerabilities!"

echo " Ensure the latest security patches have been applied!"

])

dnl Look for additional, possibly missing headers

AC_CHECK_HEADERS(openssl/engine.h)

if test -n "$PKGCONFIG"; then

$PKGCONFIG openssl

if test $? -eq 0; then

ap_ssltk_inc="$ap_ssltk_inc `$PKGCONFIG --cflags-only-I openssl`"

CPPFLAGS="$CPPFLAGS $ap_ssltk_inc"

fi

fi

else

AC_MSG_RESULT([no OpenSSL headers found])

fi

fi

if test "$ap_ssltk_type" != "openssl"; then

dnl Might be SSL-C - report, then test anything relevant

AC_MSG_CHECKING(for SSL-C version)

AC_CHECK_HEADERS([sslc.h], [ap_ssltk_type="sslc"], [ap_ssltk_type=""])

if test "$ap_ssltk_type" = "sslc"; then

AC_MSG_CHECKING(for SSL-C version)

AC_TRY_COMPILE([#include <sslc.h>],[

#if !defined(SSLC_VERSION_NUMBER)

#error "Missing SSL-C version"

#endif

#if SSLC_VERSION_NUMBER < 0x2310

#define stringize_ver(x) #x

#error "Insecure SSL-C version " stringize_ver(SSLC_VERSION_NUMBER)

#endif],

[AC_MSG_RESULT(OK)],

[dnl Replace this with SSLC_VERSION_NUMBER?

AC_MSG_RESULT([not encouraging])

echo "WARNING: SSL-C version may contain security vulnerabilities!"

echo " Ensure the latest security patches have been applied!"

])

else

AC_MSG_RESULT([no SSL-C headers found])

fi

fi

dnl restore

CPPFLAGS=$saved_CPPFLAGS

if test "x$ap_ssltk_type" = "x"; then

AC_MSG_ERROR([...No recognized SSL/TLS toolkit detected])

fi

dnl Run library and function checks

saved_LDFLAGS=$LDFLAGS

saved_LIBS=$LIBS

if test "x$ap_ssltk_base" != "x"; then

if test -d "$ap_ssltk_base/lib"; then

ap_ssltk_lib="$ap_ssltk_base/lib"

else

ap_ssltk_lib="$ap_ssltk_base"

fi

LDFLAGS="$LDFLAGS -L$ap_ssltk_lib"

fi

dnl make sure "other" flags are available so libcrypto and libssl can link

LIBS="$LIBS `$apr_config --libs`"

liberrors=""

if test "$ap_ssltk_type" = "openssl"; then

AC_CHECK_LIB(crypto, SSLeay_version, [], [liberrors="yes"])

AC_CHECK_LIB(ssl, SSL_CTX_new, [], [liberrors="yes"])

AC_CHECK_FUNCS(ENGINE_init)

AC_CHECK_FUNCS(ENGINE_load_builtin_engines)

else

AC_CHECK_LIB(sslc, SSLC_library_version, [], [liberrors="yes"])

AC_CHECK_LIB(sslc, SSL_CTX_new, [], [liberrors="yes"])

AC_CHECK_FUNCS(SSL_set_state)

fi

AC_CHECK_FUNCS(SSL_set_cert_store)

dnl restore

LDFLAGS=$saved_LDFLAGS

LIBS=$saved_LIBS

if test "x$liberrors" != "x"; then

AC_MSG_ERROR([... Error, SSL/TLS libraries were missing or unusable])

fi

dnl Adjust apache's configuration based on what we found above.

dnl (a) define preprocessor symbols

if test "$ap_ssltk_type" = "openssl"; then

AC_DEFINE(HAVE_OPENSSL, 1, [Define if SSL is supported using OpenSSL])

else

AC_DEFINE(HAVE_SSLC, 1, [Define if SSL is supported using SSL-C])

fi

dnl (b) hook up include paths

if test "x$ap_ssltk_inc" != "x"; then

APR_ADDTO(INCLUDES, [$ap_ssltk_inc])

fi

dnl (c) hook up linker paths

if test "x$ap_ssltk_lib" != "x"; then

APR_ADDTO(LDFLAGS, ["-L$ap_ssltk_lib"])

if test "x$ap_platform_runtime_link_flag" != "x"; then

APR_ADDTO(LDFLAGS, ["$ap_platform_runtime_link_flag$ap_ssltk_lib"])

fi

fi

# Put SSL libraries in SSL_LIBS.

if test "$ap_ssltk_type" = "openssl"; then

APR_SETVAR(SSL_LIBS, [-lssl -lcrypto])

if test -n "$PKGCONFIG"; then

$PKGCONFIG openssl

if test $? -eq 0; then

ap_ssltk_libdep=`$PKGCONFIG --libs openssl`

APR_ADDTO(SSL_LIBS, $ap_ssltk_libdep)

fi

fi

else

APR_SETVAR(SSL_LIBS, [-lsslc])

fi

APACHE_SUBST(SSL_LIBS)

fi

])

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)

])