Declare the need of C99 compliant compiler

[andy/viking.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index eeff0354f4789ac96966e89bf9e3f0b7d4712dc4..d52a5128290df683a64cbd8a80608a6f12c1219f 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -8,7 +8,7 @@ dnl AC_CONFIG_SRCDIR([src/main.c])
 AC_CONFIG_HEADERS([src/config.h])
 
 # Checks for programs.
-AC_PROG_CC
+AC_PROG_CC_C99
 AC_PROG_MAKE_SET
 AC_PROG_RANLIB