build nows with clang as well

1 files changed, 16 insertions, 3 deletions

diff --git a/src/configure b/src/configure
index 0d92d8b..54c202d 100755
--- a/src/configure
+++ b/src/configure
@@ -23,8 +23,7 @@
 TARGET=`uname -s`
 EBUILD_COMPAT=0
 
-CFLAGS='-g -O2'
-LDFLAGS='-g -Wall -O2 -lpthread'
+USE_CLANG=0
 
 LUA_DIR=''
 LUA=''
@@ -42,6 +41,7 @@ print_usage() {
   echo "          --sysconfdir=<DIR>        the path to the system configuration directory (default: $PREFIX/etc)"
   echo "          --libdir=<DIR>            the path to the lua library directory (default: $PREFIX/lib/rhnop)"
   echo "          --with-lua=<DIR>          use this lua tree instead of system default"
+  echo "          --use-clang               use clang/llvm as compiler/linker"
 }
 
 for arg
@@ -50,6 +50,9 @@ do
   --target=*)
     TARGET=${arg#--target=}
   ;;
+  --use-clang)
+    USE_CLANG=1
+  ;;
   --prefix=*)
     PREFIX=${arg#--prefix=}
   ;;
@@ -87,6 +90,16 @@ 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 -lpthread'
+  COMPILER='gcc'
+else
+  CFLAGS='-g -O2'
+  LDFLAGS='-g -O2 -lpthread'
+  COMPILER='clang'
+fi
+
 rm -f config.h
 rm -f include.mk
 case $TARGET in
@@ -184,7 +197,7 @@ cat > include.mk <<EOF
 # use ./configure instead
 
 TARGET := '$TARGET'
-CC := gcc
+CC := $COMPILER
 CFLAGS := $CFLAGS
 LDFLAGS := $LDFLAGS
 LUA := '$LUA'