From 6d14ac3efec9604c4ea9291c0b8d4f5225c00d93 Mon Sep 17 00:00:00 2001
From: Liang Zou <liangzou@deepmap.ai>
Date: Sat, 20 Feb 2021 14:33:01 +0800
Subject: [PATCH] Fix the symlink creation bug if using bazel

---
 bazel/glog.bzl | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/bazel/glog.bzl b/bazel/glog.bzl
index a46e2d1..495ea63 100644
--- a/bazel/glog.bzl
+++ b/bazel/glog.bzl
@@ -56,6 +56,8 @@ def glog_library(namespace = "google", with_gflags = 1, **kwargs):
     linux_or_darwin_copts = wasm_copts + [
         # For src/utilities.cc.
         "-DHAVE_SYS_SYSCALL_H",
+        # For src/logging.cc to create symlinks.
+        "-DHAVE_UNISTD_H",
     ]
 
     freebsd_only_copts = [