Modernize checks in ld_supports_flag

Part of a patch by Javier Jardón.

(This will conflict with changes from my gc-sections branch -smcv)

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=32245
Reviewed-by: Simon McVittie <simon.mcvittie@collabora.co.uk>

diff --git a/configure.ac b/configure.ac
index 23d4f2c03273dffcc4f6bed5e353133f753f2a7f..5e330308643c4cb1b4c123f9c8ecf0735b6f6a3a 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1106,10 +1106,12 @@ cc_supports_flag() {
 
 ld_supports_flag() {
   AC_MSG_CHECKING([whether $LD supports "$@"])
-  AC_TRY_LINK([
+  AC_LINK_IFELSE([AC_LANG_PROGRAM([[
     int one(void) { return 1; }
     int two(void) { return 2; }
-  ], [ two(); ] , [_ac_ld_flag_supported=yes], [_ac_ld_flag_supported=no])
+  ]], [[ two();  ]])],
+    [_ac_ld_flag_supported=yes],
+    [_ac_ld_flag_supported=no])
 
   if test "$_ac_ld_flag_supported" = "yes"; then
     rm -f conftest.c