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-rw-r--r--config.h.in3
1 files changed, 3 insertions, 0 deletions
diff --git a/config.h.in b/config.h.in
index 8c0e53d5..81fec7d5 100644
--- a/config.h.in
+++ b/config.h.in
@@ -344,6 +344,9 @@
/* Source namespace */
#undef _HPUX_SOURCE
+/* to pick up all of the printf format macros in inttypes.h */
+#undef _INCLUDE_STDC__SOURCE_199901
+
/* POSIX revision */
#undef _POSIX_C_SOURCE