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| author | Joe Orton <jorton@apache.org> | 2005-01-25 10:17:51 +0000 |
|---|---|---|
| committer | Joe Orton <jorton@apache.org> | 2005-01-25 10:17:51 +0000 |
| commit | 81f215029833c3731ac3113ef89639880b1251ce (patch) | |
| tree | c5e3f7615f36db49aa1a328fc18b37aade3a33de /configure.in | |
| parent | fe2650384de1a98942a333af466290522ed1ab91 (diff) | |
| download | httpd-81f215029833c3731ac3113ef89639880b1251ce.tar.gz | |
* configure.in: Add --enable-pie flag; define PICFLAGS and PILDFLAGS.
* build/rules.mk.in: Factor out BASE_CC and BASE_CXX from COMPILE.
Substitute PICFLAGS into COMPILE and CXX_COMPILE, but not into
{SH,LT}{,_CXX}_COMPILE. Substitute PILDFLAGS into LINK but not
{SH,MOD}_LINK.
Reviewed by: jerenkrantz
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@126362 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/configure.in b/configure.in index fd501397e9..d663979b7a 100644 --- a/configure.in +++ b/configure.in @@ -394,6 +394,29 @@ AC_ARG_ENABLE(maintainer-mode,APACHE_HELP_STRING(--enable-maintainer-mode,Turn o APR_ADDTO(CPPFLAGS, -DAP_DEBUG) ])dnl +dnl Conditionally enable PIE support for GNU toolchains. +AC_ARG_ENABLE(pie,APACHE_HELP_STRING(--enable-pie,Build httpd as a Position Independent Executable)) +if test "$enable_pie" = "yes"; then + AC_CACHE_CHECK([whether $CC accepts PIE flags], [ap_cv_cc_pie], [ + save_CFLAGS=$CFLAGS + save_LDFLAGS=$LDFLAGS + CFLAGS="$CFLAGS -fPIE" + LDFLAGS="$LDFLAGS -pie" + AC_TRY_RUN([static int foo[30000]; int main () { return 0; }], + [ap_cv_cc_pie=yes], [ap_cv_cc_pie=no], [ap_cv_cc_pie=yes]) + CFLAGS=$save_CFLAGS + LDFLAGS=$save_LDFLAGS + ]) + if test "$ap_cv_cc_pie" = "yes"; then + PICFLAGS="-fPIE" + PILDFLAGS="-pie" + else + AC_ERROR([--enable-pie requested but $CC failed using PIE flags]) + fi +fi +AC_SUBST(PICFLAGS) +AC_SUBST(PILDFLAGS) + prefix="$orig_prefix" APACHE_ENABLE_MODULES |