From cfc8bb62da40ad66cead6027ec3c4d10e3bb54a5 Mon Sep 17 00:00:00 2001
From: root <root>
Date: Sat, 4 Feb 2012 19:09:28 +0000
Subject: *** empty log message ***

---
 Changes      |  2 ++
 configure.ac | 15 +++++++++++----
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/Changes b/Changes
index bf3bb77..c664503 100644
--- a/Changes
+++ b/Changes
@@ -29,6 +29,8 @@ TODO: EV_STANDALONE == NO_HASSEL (do not use clock_gettime in ev_standalone)
         - avoid "AVOIDING FINISHING BEFORE RETURNING" idiom.
         - support new EV_API_STATIC mode to make all libev symbols
           static.
+        - supply default CFLAGS of -g -O3 with gcc when original CFLAGS
+          were empty.
 
 4.04 Wed Feb 16 09:01:51 CET 2011
 	- fix two problems in the native win32 backend, where reuse of fd's
diff --git a/configure.ac b/configure.ac
index 5ad67f2..31d0a25 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,3 +1,5 @@
+orig_CFLAGS="$CFLAGS"
+
 AC_INIT
 AC_CONFIG_SRCDIR([ev_epoll.c])
 
@@ -5,13 +7,18 @@ AM_INIT_AUTOMAKE(libev,4.11) dnl also update ev.h!
 AC_CONFIG_HEADERS([config.h])
 AM_MAINTAINER_MODE
 
-AC_PROG_INSTALL
-AC_PROG_LIBTOOL
+AC_PROG_CC
 
-if test "x$GCC" = xyes ; then
-  CFLAGS="-O3 $CFLAGS"
+dnl Supply default CFLAGS, if not specified
+if test -z "$orig_CFLAGS"; then
+  if test x$GCC = xyes; then
+    CFLAGS="-g -O3"
+  fi
 fi
 
+AC_PROG_INSTALL
+AC_PROG_LIBTOOL
+
 m4_include([libev.m4])
 
 AC_CONFIG_FILES([Makefile])
-- 
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