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-rw-r--r--config/ChangeLog5
-rw-r--r--config/warnings.m410
2 files changed, 11 insertions, 4 deletions
diff --git a/config/ChangeLog b/config/ChangeLog
index 49cbfdd..c6885d1 100644
--- a/config/ChangeLog
+++ b/config/ChangeLog
@@ -1,3 +1,8 @@
+2005-01-23 Joseph S. Myers <joseph@codesourcery.com>
+
+ * warnings.m4 (ACX_PROG_CC_WARNING_ALMOST_PEDANTIC): Don't do
+ anything for non-GCC compilers.
+
2004-12-03 Richard Sandiford <rsandifo@redhat.com>
* gxx-include-dir.m4: New file.
diff --git a/config/warnings.m4 b/config/warnings.m4
index 5501be9..2f44c92 100644
--- a/config/warnings.m4
+++ b/config/warnings.m4
@@ -1,6 +1,6 @@
# Autoconf include file defining macros related to compile-time warnings.
-# Copyright 2004 Free Software Foundation, Inc.
+# Copyright 2004, 2005 Free Software Foundation, Inc.
#This file is part of GCC.
@@ -43,14 +43,15 @@ CFLAGS="$save_CFLAGS"
])# ACX_PROG_CC_WARNING_OPTS
# ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long ...])
-# Sets WARN_PEDANTIC to "-pedantic" + the argument, if the compiler
-# accepts all of those options simultaneously, otherwise to nothing.
+# Sets WARN_PEDANTIC to "-pedantic" + the argument, if the compiler is GCC
+# and accepts all of those options simultaneously, otherwise to nothing.
AC_DEFUN([ACX_PROG_CC_WARNING_ALMOST_PEDANTIC],
[AC_REQUIRE([AC_PROG_CC])dnl
AC_SUBST([WARN_PEDANTIC])dnl
AS_VAR_PUSHDEF([acx_Pedantic], [acx_cv_prog_cc_pedantic_$1])dnl
WARN_PEDANTIC=
-AC_CACHE_CHECK([whether $CC supports -pedantic $1], acx_Pedantic,
+AS_IF([test $GCC = yes],
+[AC_CACHE_CHECK([whether $CC supports -pedantic $1], acx_Pedantic,
[save_CFLAGS="$CFLAGS"
CFLAGS="-pedantic $1"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],
@@ -59,6 +60,7 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],
CFLAGS="$save_CFLAGS"])
AS_IF([test AS_VAR_GET(acx_Pedantic) = yes],
[WARN_PEDANTIC="-pedantic $1"])
+])
AS_VAR_POPDEF([acx_Pedantic])dnl
])# ACX_PROG_CC_WARNING_ALMOST_PEDANTIC