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-rw-r--r--configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 278cf36bf..451858f74 100644
--- a/configure.ac
+++ b/configure.ac
@@ -12,7 +12,7 @@ AC_SUBST(MP4FF_LIB)
AC_SUBST(MP4FF_SUBDIR)
AC_LANG(C)
-AC_PROG_CC
+AC_PROG_CC_C99
AM_PROG_CC_C_O
AC_PROG_INSTALL
AC_PROG_LIBTOOL