1 files changed, 5 insertions, 1 deletions
diff --git a/configure b/configure
index 26a510e..467c469 100755
--- a/configure
+++ b/configure
@@ -11,7 +11,7 @@ objects=`find $srcdir -type f -name '*.c' | sed -e "s/$srcdir\/\(.*\).c/\1.o/"`
 
 cc='cc'
 cflags='-Wall -O2'
-cflagsdebug='-Wall -ggdb3 -O0 -DDEBUG'
+cflagsdebug='-std=c99 -Wall -pedantic -ggdb3 -O0 -DDEBUG'
 prefix='/usr/local'
 
 
@@ -29,6 +29,10 @@ if [ ! `2>/dev/null which gcc` ]; then
 	dgen='clang'
 fi
 
+if [ -f 'Makefile' ]; then
+	make clean
+fi
+
 {
 	printf %s\\n '.POSIX:'
 	printf %s\\n '.SUFFIXES:'