X-Git-Url: https://git.sommitrealweird.co.uk/onak.git/blobdiff_plain/4860ab5af538fd20c7e92e01b883dbbc556863a5..fc26ef0fdc3bc7fe19278365dc4fbe1d404e410a:/configure.ac

diff --git a/configure.ac b/configure.ac
index f2bdfd1..c654ab8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4,6 +4,7 @@ AC_CONFIG_SRCDIR(onak.c)
 AC_CONFIG_HEADER(config.h)
 
 AC_PROG_CC
+AC_PROG_CC_C99
 
 AC_C_BIGENDIAN