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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 f57d2a77..dd39de60 100644
--- a/configure.ac
+++ b/configure.ac
@@ -72,7 +72,7 @@ dnl checks for programs
AC_PROG_EGREP
AC_PROG_YACC
AC_PROG_LN_S
-AC_PROG_CC
+AC_PROG_CC_C99
AC_PROG_CPP
AC_OBJEXT