From: Bruno Haible <bruno@clisp.org>
Date: Tue, 26 Jul 2005 12:04:34 +0000 (+0000)
Subject: Improve comments.
X-Git-Tag: v0.15~460
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e97ff1757d3a1cdaf38d838a6e1b054a46a345b4;p=thirdparty%2Fgettext.git

Improve comments.
---

diff --git a/gettext-runtime/m4/lock.m4 b/gettext-runtime/m4/lock.m4
index daa6c68b8..9013504e5 100644
--- a/gettext-runtime/m4/lock.m4
+++ b/gettext-runtime/m4/lock.m4
@@ -137,7 +137,8 @@ int x = (int)PTHREAD_MUTEX_RECURSIVE;
             [AC_DEFINE([HAVE_PTHREAD_MUTEX_RECURSIVE], 1,
                [Define if the <pthread.h> defines PTHREAD_MUTEX_RECURSIVE.])])
           # Some systems optimize for single-threaded programs by default, and
-          # need special flags to disable these optimizations.
+          # need special flags to disable these optimizations. For example, the
+          # definition of 'errno' in <errno.h>.
           case "$host_os" in
             aix* | freebsd*) CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE" ;;
             solaris*) CPPFLAGS="$CPPFLAGS -D_REENTRANT" ;;