added urgency column

[ptask.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 01daed8..423a386 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -11,6 +11,7 @@ AC_CONFIG_HEADERS([config.h])
 
 # Checks for programs.
 AC_PROG_CC
+AC_PROG_CC_C99
 AM_PROG_CC_C_O
 
 # Checks for header files.