diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/configure.in b/configure.in index 91d903f591..c3f4adb89d 100644 --- a/configure.in +++ b/configure.in @@ -1334,6 +1334,7 @@ EOF ASFLAGS_config="$ASFLAGS_config -Wa,--noexecstack" fi AC_SUBST(ASFLAGS_config) + AC_CACHE_CHECK(for -z combreloc, libc_cv_z_combreloc, [dnl cat > conftest.c <<EOF @@ -1363,8 +1364,25 @@ dnl look for a section named .rel.dyn. if test "$libc_cv_z_combreloc" = yes; then AC_DEFINE(HAVE_Z_COMBRELOC) fi + AC_SUBST(libc_cv_z_combreloc) + + AC_CACHE_CHECK(for -z execstack, + libc_cv_z_execstack, [dnl + cat > conftest.c <<EOF +int _start (void) { return 42; } +EOF + if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS + -shared -o conftest.so conftest.c + -Wl,-z,execstack -nostdlib + 1>&AS_MESSAGE_LOG_FD]) + then + libc_cv_z_execstack=yes + else + libc_cv_z_execstack=no + fi + rm -f conftest*]) + AC_SUBST(libc_cv_z_execstack) fi -AC_SUBST(libc_cv_z_combreloc) if test $elf != yes; then AC_CACHE_CHECK(for .init and .fini sections, libc_cv_have_initfini, |