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-rw-r--r--source4/lib/replace/libreplace.m41
1 files changed, 1 insertions, 0 deletions
diff --git a/source4/lib/replace/libreplace.m4 b/source4/lib/replace/libreplace.m4
index ef8087607e..cf15734090 100644
--- a/source4/lib/replace/libreplace.m4
+++ b/source4/lib/replace/libreplace.m4
@@ -15,6 +15,7 @@ dnl needed before AC_TRY_COMPILE
AC_ISC_POSIX
AC_USE_SYSTEM_EXTENSIONS
AC_C_INLINE
+AC_PROG_CC_C99
AC_PROG_CC
AC_PROG_INSTALL