From: Roland McGrath <roland@gnu.org>
Date: Mon, 6 Jan 2003 00:41:51 +0000 (+0000)
Subject: 2003-01-04  Roland McGrath  <roland@redhat.com>
X-Git-Tag: cvs/glibc-2_3_2~359
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=30077d51f6a25522ec5fc4dbcfd7ff35319b3766;p=thirdparty%2Fglibc.git

2003-01-04  Roland McGrath  <roland@redhat.com>

	* Makeconfig (+mkdep): Add -MP flag.
	Suggested by Art Haas <ahaas@airmail.net>.
---

diff --git a/Makeconfig b/Makeconfig
index 0a43b9c8dc8..78852dc234e 100644
--- a/Makeconfig
+++ b/Makeconfig
@@ -1,4 +1,4 @@
-# Copyright (C) 1991-2000,01,02 Free Software Foundation, Inc.
+# Copyright (C) 1991-2000,01,02, 03 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -553,10 +553,11 @@ else
 +gccwarn := -Wall -Wwrite-strings -Winline -Wstrict-prototypes
 endif
 
-# This is the program that generates makefile
-# dependencies from C source files.
+# This is the program that generates makefile dependencies from C source files.
+# The -MP flag tells GCC >= 3.2 (which we now require) to produce dummy
+# targets for headers so that removed headers don't break the build.
 ifndef +mkdep
-+mkdep = $(CC) -M
++mkdep = $(CC) -M -MP
 endif
 
 # The program that makes Emacs-style TAGS files.