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-rw-r--r--src/util/build_id.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/util/build_id.h b/src/util/build_id.h
index 551ac6989bc..18641c44af2 100644
--- a/src/util/build_id.h
+++ b/src/util/build_id.h
@@ -21,6 +21,9 @@
* IN THE SOFTWARE.
*/
+#ifndef BUILD_ID_H
+#define BUILD_ID_H
+
#ifdef HAVE_DL_ITERATE_PHDR
struct build_id_note;
@@ -35,3 +38,5 @@ const uint8_t *
build_id_data(const struct build_id_note *note);
#endif
+
+#endif /* BUILD_ID_H */