include: [c.h]: add fallback for old libs without O_CLOEXEC

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/include/c.h b/include/c.h
index e52514345b8c2d230998b4316825e8b081744369..81546388151708bbb7cc776fbed925855282ce8f 100644 (file)
--- a/include/c.h
+++ b/include/c.h
@@ -149,5 +149,9 @@ prog_inv_sh_nm_from_file(char *f, char stripext)
 # endif
 #endif
 
+/* very old glibc (2.3) */ 
+#ifndef O_CLOEXEC
+#define O_CLOEXEC 0
+#endif
 
 #endif /* UTIL_LINUX_C_H */