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-rwxr-xr-xconfigure18
1 files changed, 15 insertions, 3 deletions
diff --git a/configure b/configure
index fb3bd0588f..eb0e7bbce0 100755
--- a/configure
+++ b/configure
@@ -198,6 +198,7 @@ audio_win_int=""
cc_i386=i386-pc-linux-gnu-gcc
libs_qga=""
debug_info="yes"
+stack_protector=""
# Don't accept a target_list environment variable.
unset target_list
@@ -950,6 +951,10 @@ for opt do
;;
--disable-werror) werror="no"
;;
+ --enable-stack-protector) stack_protector="yes"
+ ;;
+ --disable-stack-protector) stack_protector="no"
+ ;;
--disable-curses) curses="no"
;;
--enable-curses) curses="yes"
@@ -1219,6 +1224,7 @@ Advanced options (experts only):
--disable-sparse disable sparse checker (default)
--disable-strip disable stripping binaries
--disable-werror disable compilation abort on warning
+ --disable-stack-protector disable compiler-provided stack protection
--disable-sdl disable SDL
--enable-sdl enable SDL
--with-sdlabi select preferred SDL ABI 1.2 or 2.0
@@ -1439,9 +1445,15 @@ for flag in $gcc_flags; do
fi
done
-if compile_prog "-Werror -fstack-protector-all" "" ; then
- QEMU_CFLAGS="$QEMU_CFLAGS -fstack-protector-all"
- LIBTOOLFLAGS="$LIBTOOLFLAGS -Wc,-fstack-protector-all"
+if test "$stack_protector" != "no" ; then
+ gcc_flags="-fstack-protector-strong -fstack-protector-all"
+ for flag in $gcc_flags; do
+ if compile_prog "-Werror $flag" "" ; then
+ QEMU_CFLAGS="$QEMU_CFLAGS $flag"
+ LIBTOOLFLAGS="$LIBTOOLFLAGS -Wc,$flag"
+ break
+ fi
+ done
fi
# Workaround for http://gcc.gnu.org/PR55489. Happens with -fPIE/-fPIC and