diff options
Diffstat (limited to 'aclocal.m4')
| -rw-r--r-- | aclocal.m4 | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/aclocal.m4 b/aclocal.m4 index df9d42028d..3a35fe9b64 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -1322,6 +1322,24 @@ AC_SUBST(GccIsClang) rm -f conftest.txt ]) +# FP_GCC_SUPPORTS_NO_PIE +# ---------------------- +# Does gcc support the -no-pie option? If so we should pass it to gcc when +# joining objects since -pie may be enabled by default. +AC_DEFUN([FP_GCC_SUPPORTS_NO_PIE], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_MSG_CHECKING([whether GCC supports -no-pie]) + echo 'int main() { return 0; }' > conftest.c + if ${CC-cc} -o conftest -no-pie conftest.c > /dev/null 2>&1; then + AC_DEFINE(GCC_SUPPORTS_NO_PIE, 1, [gcc supports -no-pie]) + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + fi + rm -f conftest.c conftest.o conftest +]) + dnl Small feature test for perl version. Assumes PerlCmd dnl contains path to perl binary. dnl |