diff --git a/src/vsnprintf.c b/src/vsnprintf.c
index d479f8a..e1542f4 100644
--- a/src/vsnprintf.c
+++ b/src/vsnprintf.c
@@ -26,6 +26,8 @@
  */
 
 #include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
 #include "flstring.h"
 
 #ifdef HAVE_SYS_STDTYPES_H
diff --git a/wscript b/wscript
index c4b5b04..45cb802 100644
--- a/wscript
+++ b/wscript
@@ -78,9 +78,9 @@ def configure(conf):
     conf.load('gnu_dirs')
     # conf.load('ntk_fluid')
     conf.line_just = 52
-    conf.env.append_value('CFLAGS', ['-Wall', '-ansi','-pedantic'])
+    conf.env.append_value('CFLAGS', ['-Wall'])
 #    conf.env.append_value('CXXFLAGS',['-Wall','-fno-exceptions', '-fno-rtti'])
-    conf.env.append_value('CXXFLAGS', ['-Wall', '-ansi','-pedantic'])
+    conf.env.append_value('CXXFLAGS', ['-Wall'])
 
     conf.check_cfg(package='x11', uselib_store='X11', args="--cflags --libs",
                    mandatory=True)