use a C99 compiler

diff --git a/configure.ac b/configure.ac
index 9c0fd9dfa9b42e3eb5344c92ef6b74a296d59b2a..57e7bb5ea0c76dfaa8aa9f6d09328238341827d2 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -8,7 +8,7 @@ AM_INIT_AUTOMAKE([ncmpc], [0.12~git])
 AM_CONFIG_HEADER([config.h])
 
 dnl Check for programs
-AC_PROG_CC
+AC_PROG_CC_C99
 AC_PROG_INSTALL
 dnl AC_PROG_LIBTOOL
 AC_PROG_LIBTOOL