14a7cd46677cc0052319f2cd84a7b720efa60499Aki Tuomidnl

14a7cd46677cc0052319f2cd84a7b720efa60499Aki Tuomidnl Check for support for D_FORTIFY_SOURCE=2

14a7cd46677cc0052319f2cd84a7b720efa60499Aki Tuomidnl

14a7cd46677cc0052319f2cd84a7b720efa60499Aki Tuomi

14a7cd46677cc0052319f2cd84a7b720efa60499Aki TuomiAC_DEFUN([AC_CC_D_FORTIFY_SOURCE],[

14a7cd46677cc0052319f2cd84a7b720efa60499Aki Tuomi AC_REQUIRE([gl_UNKNOWN_WARNINGS_ARE_ERRORS])

14a7cd46677cc0052319f2cd84a7b720efa60499Aki Tuomi if test $disable_hardening = no; then

14a7cd46677cc0052319f2cd84a7b720efa60499Aki Tuomi case "$host" in

14a7cd46677cc0052319f2cd84a7b720efa60499Aki Tuomi *)

14a7cd46677cc0052319f2cd84a7b720efa60499Aki Tuomi gl_COMPILER_OPTION_IF([-O2 -D_FORTIFY_SOURCE=2], [

14a7cd46677cc0052319f2cd84a7b720efa60499Aki Tuomi CFLAGS="$CFLAGS -D_FORTIFY_SOURCE=2"

14a7cd46677cc0052319f2cd84a7b720efa60499Aki Tuomi ],

14a7cd46677cc0052319f2cd84a7b720efa60499Aki Tuomi [],

14a7cd46677cc0052319f2cd84a7b720efa60499Aki Tuomi [AC_LANG_PROGRAM([[

14a7cd46677cc0052319f2cd84a7b720efa60499Aki Tuomi #include <pthread.h>

14a7cd46677cc0052319f2cd84a7b720efa60499Aki Tuomi __thread unsigned int t_id;

14a7cd46677cc0052319f2cd84a7b720efa60499Aki Tuomi ]], [[t_id = 1;]])]

14a7cd46677cc0052319f2cd84a7b720efa60499Aki Tuomi )

14a7cd46677cc0052319f2cd84a7b720efa60499Aki Tuomi esac

14a7cd46677cc0052319f2cd84a7b720efa60499Aki Tuomi fi

14a7cd46677cc0052319f2cd84a7b720efa60499Aki Tuomi])