From: Wouter Wijngaards <wouter@NLnetLabs.nl>
Date: Fri, 27 Jun 2008 07:23:31 +0000 (+0000)
Subject: Compiles more cleanly on systems that do not have -g or -O2 flags.
X-Git-Tag: release-1.4.0~109
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=416ba3eace31ef728f91b4d8811f00a8799d9a89;p=thirdparty%2Fldns.git

Compiles more cleanly on systems that do not have -g or -O2 flags.
---

diff --git a/configure.ac b/configure.ac
index 524bdf4f..3cb20e7e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -11,6 +11,7 @@ PACKAGE_VERSION="$PACKAGE_VERSION"
 
 OURCPPFLAGS=''
 CPPFLAGS=${CPPFLAGS:-${OURCPPFLAGS}}
+CFLAGS=
 
 AC_AIX
 # Checks for programs.
@@ -104,6 +105,8 @@ fi
 # Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
 AC_LANG_C
+CHECK_COMPILER_FLAG(g, [CFLAGS="$CFLAGS -g"])
+CHECK_COMPILER_FLAG(O2, [CFLAGS="$CFLAGS -O2"])
 CHECK_COMPILER_FLAG(Wall, [CFLAGS="$CFLAGS -Wall"])
 CHECK_COMPILER_FLAG(W, [CFLAGS="$CFLAGS -W"])
 CHECK_COMPILER_FLAG(Wwrite-strings, [CFLAGS="$CFLAGS -Wwrite-strings"])