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-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-src/src/hb-blob.cc12
1 files changed, 12 insertions, 0 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-blob.cc b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-blob.cc
index b53b20bd147..bcf381e1aa4 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-blob.cc
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-blob.cc
@@ -25,6 +25,18 @@
* Red Hat Author(s): Behdad Esfahbod
*/
+
+/* https://github.com/harfbuzz/harfbuzz/issues/1308
+ * http://www.gnu.org/software/libc/manual/html_node/Feature-Test-Macros.html
+ * https://www.oracle.com/technetwork/articles/servers-storage-dev/standardheaderfiles-453865.html
+ */
+#ifndef _POSIX_C_SOURCE
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-macros"
+#define _POSIX_C_SOURCE 200809L
+#pragma GCC diagnostic pop
+#endif
+
#include "hb.hh"
#include "hb-blob.hh"