summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index a573cefd..ea7a2fac 100644
--- a/configure.ac
+++ b/configure.ac
@@ -22,7 +22,7 @@ AC_SUBST(abs_top_builddir)
AC_LANG_C
AC_USE_SYSTEM_EXTENSIONS
-AC_PROG_CC
+AC_PROG_CC_C99
AM_PROG_CC_C_O
AC_PROG_CC_PIE
AC_PROG_INSTALL