From f9c22916d56ed9ca209032d32ebd081fbf097eb4 Mon Sep 17 00:00:00 2001
From: Dmitry Vyukov <dvyukov@google.com>
Date: Fri, 20 Jun 2014 22:49:41 +0000
Subject: [PATCH] tsan: fix freebsd build freebsd does not have
 /proc/self/environ

llvm-svn: 211417
---
 compiler-rt/lib/sanitizer_common/sanitizer_linux.cc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_linux.cc b/compiler-rt/lib/sanitizer_common/sanitizer_linux.cc
index 5f7d70c..7bb98a9 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_linux.cc
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_linux.cc
@@ -48,6 +48,7 @@
 #include <unistd.h>
 
 #if SANITIZER_FREEBSD
+#include <stdlib.h>  // for getenv
 #include <sys/sysctl.h>
 #include <machine/atomic.h>
 extern "C" {
@@ -314,6 +315,7 @@ u64 NanoTime() {
   return (u64)tv.tv_sec * 1000*1000*1000 + tv.tv_usec * 1000;
 }
 
+#if SANITIZER_LINUX
 // Like getenv, but reads env directly from /proc and does not use libc.
 // This function should be called first inside __asan_init.
 const char *GetEnv(const char *name) {
@@ -341,6 +343,11 @@ const char *GetEnv(const char *name) {
   }
   return 0;  // Not found.
 }
+#else
+const char *GetEnv(const char *name) {
+  return getenv(name);
+}
+#endif
 
 extern "C" {
   SANITIZER_WEAK_ATTRIBUTE extern void *__libc_stack_end;
-- 
2.7.4