Add some good practices to autofoo

diff --git a/configure.ac b/configure.ac
index 0d3962bfafd7cd8f72b2d7327d3732ff4b72bcff..3283b5f5a44f80201ed6cb9f512a57e257f7b7d7 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -16,6 +16,12 @@ AM_SILENT_RULES([yes])
 LT_INIT([disable-static pic-only])
 AC_PREFIX_DEFAULT([/usr])
 
+AC_PROG_CC
+AC_PROG_CC_C99
+AC_C_TYPEOF
+AM_PROG_CC_C_O
+AC_PROG_GCC_TRADITIONAL
+
 AC_ARG_ENABLE([logging],
        AS_HELP_STRING([--disable-logging], [disable system logging @<:@default=enabled@:>@]),
        [], enable_logging=yes)