bug#19428: 25.0.50; X frame size inconsistent at start-up

[Paul Eggert <eggert@cs.ucla.edu>]

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martin rudalics wrote:
> Some code had been injected which
> caused making stop here because of warnings treated as errors and I had
> no idea how to ignore them and continue compiling.

You can use 'make WERROR_CFLAGS=' for that.  I installed the attached patch to 
document this better.

Warnings shouldn't happen with the latest GCC (4.9.2) on x86-64 GNU/Linux, but 
they can happen with older compilers or other platforms.

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From 611310ec5029aa2b5de74a70733b3cd7106034b9 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun, 4 Jan 2015 01:10:26 -0800
Subject: [PATCH] * INSTALL: Mention 'make WERROR_CFLAGS='.

---
 ChangeLog | 2 ++
 INSTALL   | 4 +++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 8051263..36edfe6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2015-01-04  Paul Eggert  <eggert@cs.ucla.edu>
 
+	* INSTALL: Mention 'make WERROR_CFLAGS='.
+
 	Clarify 'make info'
 	* Makefile.in (info): Use GNU make conditional rather than
 	an '@' rule with a shell conditional, so that the builder can
diff --git a/INSTALL b/INSTALL
index 6850c7d..1ed2698 100644
--- a/INSTALL
+++ b/INSTALL
@@ -312,7 +312,9 @@ Use --enable-gcc-warnings to enable compile-time checks that warn
 about possibly-questionable C code.  This is intended for developers
 and is useful with GNU-compatible compilers.  On a recent GNU system
 there should be no warnings; on older and on non-GNU systems the
-generated warnings may still be useful.
+generated warnings may still be useful, though you may prefer building
+with 'make WERROR_CFLAGS=' so that the warnings are not treated as
+errors.
 
 Use --enable-silent-rules to cause 'make' to chatter less.  This is
 helpful when combined with options like --enable-gcc-warnings that
-- 
2.1.0