| From f406041b58eadc716d6227408d3af553d566ffeb Mon Sep 17 00:00:00 2001 |
| From: "Arnout Vandecappelle (Essensium/Mind)" <arnout@mind.be> |
| Date: Tue, 4 Apr 2017 17:31:29 +0200 |
| Subject: [PATCH] configure: try linking to detect stack-protector support |
| |
| Even if gcc accepts the -fstack-protector argument, it is possible that |
| the libssp support library is missing. Detect this by linking instead |
| of just compiling. |
| |
| Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> |
| --- |
| acinclude.m4 | 4 ++-- |
| 1 file changed, 2 insertions(+), 2 deletions(-) |
| |
| diff --git a/acinclude.m4 b/acinclude.m4 |
| index 3c84118..4725154 100644 |
| --- a/acinclude.m4 |
| +++ b/acinclude.m4 |
| @@ -243,7 +243,7 @@ AC_DEFUN([GCC_STACK_PROTECT_CC],[ |
| AC_MSG_CHECKING([whether ${CC} accepts -fstack-protector]) |
| ssp_old_cflags="$CFLAGS" |
| CFLAGS="$CFLAGS -fstack-protector" |
| - AC_TRY_COMPILE(,,, ssp_cc=no) |
| + AC_TRY_LINK(,,, ssp_cc=no) |
| echo $ssp_cc |
| if test "X$ssp_cc" = "Xno"; then |
| CFLAGS="$ssp_old_cflags" |
| @@ -259,7 +259,7 @@ AC_DEFUN([GCC_STACK_PROTECT_CXX],[ |
| AC_MSG_CHECKING([whether ${CXX} accepts -fstack-protector]) |
| ssp_old_cxxflags="$CXXFLAGS" |
| CXXFLAGS="$CXXFLAGS -fstack-protector" |
| - AC_TRY_COMPILE(,,, ssp_cxx=no) |
| + AC_TRY_LINK(,,, ssp_cxx=no) |
| echo $ssp_cxx |
| if test "X$ssp_cxx" = "Xno"; then |
| CXXFLAGS="$ssp_old_cxxflags" |
| -- |
| 2.11.0 |
| |
