dnl

dnl Check for support for -fstack-protector or -strong

dnl

AC_DEFUN([AC_CC_F_STACK_PROTECTOR],[

AC_REQUIRE([gl_UNKNOWN_WARNINGS_ARE_ERRORS])

if test $enable_hardening = yes; then

case "$host" in

*)

gl_COMPILER_OPTION_IF([-fstack-protector-strong], [

CFLAGS="$CFLAGS -fstack-protector-strong"

],

[

gl_COMPILER_OPTION_IF([-fstack-protector], [

CFLAGS="$CFLAGS -fstack-protector"

], [], [AC_LANG_PROGRAM()])

],

[AC_LANG_PROGRAM()]

)

esac

fi

])