From 0b635145d3a16f4e6bb4182956917a320afc1bd7 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Mon, 7 Oct 2013 11:37:35 +0000
Subject: fixed build with -Wall added build support for clang

git-svn-id: https://svn.spreadspace.org/tcpproxy/trunk@67 e61f0598-a718-4e21-a8f0-0aadfa62ad6b
---
 src/configure | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

(limited to 'src/configure')

diff --git a/src/configure b/src/configure
index 90bd304..aa9cb83 100755
--- a/src/configure
+++ b/src/configure
@@ -29,8 +29,7 @@
 TARGET=`uname -s`
 EBUILD_COMPAT=0
 
-CFLAGS='-g -O2'
-LDFLAGS='-g -Wall -O2'
+USE_CLANG=0
 
 PREFIX='/usr/local'
 BINDIR=''
@@ -50,6 +49,7 @@ print_usage() {
   echo "          --no-manpage              dont't install manpage"
   echo "          --examplesdir=<DIR>       the path to the examples files (default: $PREFIX/share/examples)"
   echo "          --no-examples             dont't install example files"
+  echo "          --use-clang               use clang/llvm as compiler/linker"
 }
 
 for arg
@@ -58,6 +58,9 @@ do
   --target=*)
     TARGET=${arg#--target=}
   ;;
+  --use-clang)
+    USE_CLANG=1
+  ;;
   --prefix=*)
     PREFIX=${arg#--prefix=}
   ;;
@@ -101,6 +104,16 @@ if [ -n "$ERRORS" ] && [ $EBUILD_COMPAT -ne 1 ]; then
   exit 1
 fi
 
+if [ $USE_CLANG -eq 0 ]; then
+  CFLAGS='-g -Wall -O2'
+  LDFLAGS='-g -Wall -O2'
+  COMPILER='gcc'
+else
+  CFLAGS='-g -O2'
+  LDFLAGS='-g -O2'
+  COMPILER='clang'
+fi
+
 rm -f config.h
 rm -f include.mk
 case $TARGET in
@@ -137,8 +150,8 @@ cat > include.mk <<EOF
 # do not edit this file directly
 # use ./configure instead
 
-TARGET := '$TARGET'
-CC := gcc
+TARGET := $TARGET
+CC := $COMPILER
 CFLAGS := $CFLAGS
 LDFLAGS := $LDFLAGS
 STRIP := strip
-- 
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