X-Git-Url: https://the.earth.li/gitweb/?a=blobdiff_plain;f=configure.ac;h=c654ab8ed13f469d0eba3221cafd961c6c2c29ed;hb=06f0f9d9b1c0d440a40c6ff92e52ff37e1ed6dfc;hp=f2bdfd1cb28e097b8417854f58e956aa6d7a26c0;hpb=4860ab5af538fd20c7e92e01b883dbbc556863a5;p=onak.git

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