1 files changed, 1 insertions, 1 deletions
diff --git a/configure b/configure
index 516ebaec..1343d34b 100755
--- a/configure
+++ b/configure
@@ -24,7 +24,7 @@ PRNG=
 PRNGLIBS=
 
 CFLAGS="-fPIC -std=c99"
-CFLAGS="$CFLAGS -Wall -pedantic"
+CFLAGS="$CFLAGS -Wall -pedantic -Wextra -Wshadow -Wformat=2"
 LDFLAGS="-shared"
 
 IDN_LIBRARY="idn"