X-Git-Url: https://git.exim.org/users/jgh/exim.git/blobdiff_plain/936bbfed7b58ab84ad892cf9872b8056f44f13bf..10c50704c1efb095f3b35de3a535f4ea311cb3e5:/src/OS/os.h-Linux

diff --git a/src/OS/os.h-Linux b/src/OS/os.h-Linux
index 05c153e2c..6400e798e 100644
--- a/src/OS/os.h-Linux
+++ b/src/OS/os.h-Linux
@@ -65,5 +65,9 @@ then change the 0 to 1 in the next block. */
 # define LLONG_MAX LONG_LONG_MAX
 #endif
 
+#if _POSIX_C_SOURCE >= 200809L || _ATFILE_SOUCE
+# define EXIM_HAVE_OPENAT
+#endif
+
 
 /* End */