From 9faf6dcc3a5c4154484d812eb3cc3dd78b35563b Mon Sep 17 00:00:00 2001
From: Niko Tyni <ntyni@debian.org>
Date: Mon, 30 May 2011 22:54:24 +0300
Subject: Document that CCFLAGS should include $Config{ccflags}

Bug: https://rt.cpan.org/Public/Bug/Display.html?id=68613
Bug-Debian: http://bugs.debian.org/628522

Compiling XS extensions without $Config{ccflags} can break the
binary interface on some platforms.

Patch-Name: fixes/document_makemaker_ccflags.diff
---
 cpan/ExtUtils-MakeMaker/lib/ExtUtils/MakeMaker.pm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cpan/ExtUtils-MakeMaker/lib/ExtUtils/MakeMaker.pm b/cpan/ExtUtils-MakeMaker/lib/ExtUtils/MakeMaker.pm
index fe95b27..90403e8 100644
--- a/cpan/ExtUtils-MakeMaker/lib/ExtUtils/MakeMaker.pm
+++ b/cpan/ExtUtils-MakeMaker/lib/ExtUtils/MakeMaker.pm
@@ -1774,6 +1774,10 @@ currently used by MakeMaker but may be handy in Makefile.PLs.
 String that will be included in the compiler call command line between
 the arguments INC and OPTIMIZE.
 
+The default value is taken from $Config{ccflags}. When overriding
+CCFLAGS, make sure to include the $Config{ccflags} settings to avoid
+binary incompatibilities.
+
 =item CONFIG
 
 Arrayref. E.g. [qw(archname manext)] defines ARCHNAME & MANEXT from