From 685e0aa7f6280416b7ce8335f24a867e61b414ff Mon Sep 17 00:00:00 2001
From: hlopko <hlopko@google.com>
Date: Fri, 6 Jul 2018 02:22:41 -0700
Subject: [PATCH] Fix autodetection of -z linker flags

Clang reports missing -Wl,-z,relro as "ld: unknwon option:
-z"). This cl fixes the autodetection to expect the short variant.

Fixes #5468.

RELNOTES: NONE.
PiperOrigin-RevId: 203449206
---
 tools/cpp/unix_cc_configure.bzl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/cpp/unix_cc_configure.bzl b/tools/cpp/unix_cc_configure.bzl
index ccbc948ecd0d08..2056e5c41c7137 100644
--- a/tools/cpp/unix_cc_configure.bzl
+++ b/tools/cpp/unix_cc_configure.bzl
@@ -275,7 +275,7 @@ def _crosstool_content(repository_ctx, cc, cpu_value, darwin):
             repository_ctx,
             cc,
             "-Wl,-z,relro,-z,now",
-            "-z,relro,-z,now",
+            "-z",
         ) + (
             [
                 "-undefined",