build: simplify warnings based on last gnulib update

We no longer need to exclude this warning.

* configure.ac (WARN_CFLAGS): Gnulib dropped
-Wunsuffixed-float-constants, as non-portable.

diff --git a/configure.ac b/configure.ac
index 8c4fff44f98cc4d0ef6a48770389312d953b7226..9ca2ce46630ecc024dea99ff76f43dea43530382 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -122,7 +122,6 @@ if test "$gl_gcc_warnings" = yes; then
   gl_WARN_ADD([-Wsuggest-attribute=const])
   gl_WARN_ADD([-Wsuggest-attribute=noreturn])
   gl_WARN_ADD([-Wno-format-nonliteral])
-  gl_WARN_ADD([-Wno-unsuffixed-float-constants])
 
   # Enable this warning only with gcc-4.7 and newer.  With 4.6.2 20111027,
   # it suggests test.c's advance function may be pure, even though it