From 675d6ec5e6d9dc51b0ff9ad28c0e901a7516e2ef Mon Sep 17 00:00:00 2001
From: Yang Tse <yangsita@gmail.com>
Date: Tue, 26 May 2009 14:50:45 +0000
Subject: c-ares's --enable-curldebug configure option decoupled from c-ares's
 --enable-debug

---
 ares/m4/cares-confopts.m4 | 44 ++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 42 insertions(+), 2 deletions(-)

(limited to 'ares/m4/cares-confopts.m4')

diff --git a/ares/m4/cares-confopts.m4 b/ares/m4/cares-confopts.m4
index c34197a48..d265a4d18 100644
--- a/ares/m4/cares-confopts.m4
+++ b/ares/m4/cares-confopts.m4
@@ -1,7 +1,7 @@
 #***************************************************************************
 # $Id$
 #
-# Copyright (C) 2008 by Daniel Stenberg et al
+# Copyright (C) 2008 - 2009 by Daniel Stenberg et al
 #
 # Permission to use, copy, modify, and distribute this software and its
 # documentation for any purpose and without fee is hereby granted, provided
@@ -16,7 +16,46 @@
 #***************************************************************************
 
 # File version for 'aclocal' use. Keep it a single number.
-# serial 3
+# serial 4
+
+
+dnl CARES_CHECK_OPTION_CURLDEBUG
+dnl -------------------------------------------------
+dnl Verify if configure has been invoked with option
+dnl --enable-curldebug or --disable-curldebug, and set
+dnl shell variable want_curldebug value as appropriate.
+
+AC_DEFUN([CARES_CHECK_OPTION_CURLDEBUG], [
+  AC_BEFORE([$0],[CARES_CHECK_CURLDEBUG])dnl
+  AC_MSG_CHECKING([whether to enable curl debug memory tracking requested])
+  OPT_CURLDEBUG_BUILD="default"
+  AC_ARG_ENABLE(curldebug,
+AC_HELP_STRING([--enable-curldebug],[Enable curl debug memory tracking])
+AC_HELP_STRING([--disable-curldebug],[Disable curl debug memory tracking]),
+  OPT_CURLDEBUG_BUILD=$enableval)
+  case "$OPT_CURLDEBUG_BUILD" in
+    no)
+      dnl --disable-curldebug option used
+      want_curldebug="no"
+      ;;
+    default)
+      dnl configure option not specified
+      want_curldebug="no"
+      ;;
+    *)
+      dnl --enable-curldebug option used.
+      dnl The use of this option value is a request to enable curl's
+      dnl debug memory tracking for the c-ares library. This is a big
+      dnl hack that can only be done when a whole bunch of requisites
+      dnl are simultaneously satisfied. Later on, these requisites are
+      dnl verified and if they are not fully satisfied the option will
+      dnl be ignored and act as if --disable-curldebug had been given
+      dnl setting shell variable want_curldebug to 'no'.
+      want_curldebug="yes"
+      ;;
+  esac
+  AC_MSG_RESULT([$want_curldebug])
+])
 
 
 dnl CARES_CHECK_OPTION_DEBUG
@@ -28,6 +67,7 @@ dnl variable want_debug value as appropriate.
 AC_DEFUN([CARES_CHECK_OPTION_DEBUG], [
   AC_BEFORE([$0],[CARES_CHECK_OPTION_WARNINGS])dnl
   AC_BEFORE([$0],[CARES_CHECK_PROG_CC])dnl
+  AC_BEFORE([$0],[CARES_CHECK_CURLDEBUG])dnl
   AC_MSG_CHECKING([whether to enable debug build options])
   OPT_DEBUG_BUILD="default"
   AC_ARG_ENABLE(debug,
-- 
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