From: Paul Eggert <eggert@cs.ucla.edu>
Date: Thu, 2 Dec 2004 20:09:03 +0000 (+0000)
Subject: (_AC_PROG_CC_STDC): Prefer -qlanglvl=extc89
X-Git-Tag: AUTOCONF-2.59c~591
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3f92cbd5c3c6dec06d304cff69cbb9e4714992a6;p=thirdparty%2Fautoconf.git

(_AC_PROG_CC_STDC): Prefer -qlanglvl=extc89
to -qlanglvl=ansi.  We don't want to disable extensions.
---

diff --git a/lib/autoconf/c.m4 b/lib/autoconf/c.m4
index 06ea36941..e3f5666ad 100644
--- a/lib/autoconf/c.m4
+++ b/lib/autoconf/c.m4
@@ -864,12 +864,14 @@ char **argv;]],
 [[return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];]])])
 # Don't try gcc -ansi; that turns off useful extensions and
 # breaks some systems' header files.
-# AIX			-qlanglvl=ansi
+# AIX circa 2003 	-qlanglvl=extc89
+# old AIX		-qlanglvl=ansi
 # Ultrix, OSF/1, Tru64	-std
 # HP-UX 10.20 and later	-Ae
 # HP-UX older versions	-Aa -D_HPUX_SOURCE
 # SVR4			-Xc -D__EXTENSIONS__
-for ac_arg in "" -qlanglvl=ansi -std -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+for ac_arg in "" -qlanglvl=extc89 -qlanglvl=ansi -std \
+	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
 do
   CC="$ac_save_CC $ac_arg"
   _AC_COMPILE_IFELSE([],