X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=configure.ac;h=5aa4bf3ed6f7ea54baeeeb9a589149df75ab0522;hb=9e31ffd2f4fe1e5093876e56a0da3db3f66acdfb;hp=ea77a1a06d62a0a9c657f96047a8bedda2fa9b40;hpb=72699d0d18477767db086a5eb9963d89391a754e;p=freeglut

diff --git a/configure.ac b/configure.ac
index ea77a1a..5aa4bf3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -11,6 +11,7 @@ m4_ifdef([AS_HELP_STRING], [], [AC_DEFUN([AS_HELP_STRING], [AC_HELP_STRING($][@)
 
 # Checks for programs.
 AC_PROG_CC
+AM_PROG_CC_C_O
 AC_C_CONST
 AC_EXEEXT
 AC_LIBTOOL_DLOPEN
@@ -75,7 +76,14 @@ AC_ARG_ENABLE([warnings],
 [AS_HELP_STRING([--enable-warnings],
                 [use all gcc compiler warnings @<:@default=yes@:>@])])
 if test "x$enable_warnings" != xno -a "x$GCC" = xyes; then
-  CFLAGS="$CFLAGS -Wall -pedantic -Werror"
+  CFLAGS="$CFLAGS -Wall -pedantic"
+fi
+
+AC_ARG_ENABLE([warnings-as-errors],
+[AS_HELP_STRING([--enable-warnings-as-errors],
+                [make all warnings into errors @<:@default=no@:>@])])
+if test "x$enable_warnings_as_errors" = xyes -a "x$GCC" = xyes; then
+  CFLAGS="$CFLAGS -Werror"
 fi
 
 AC_ARG_ENABLE([debug],