1diff --git a/toolchain/gcc_toolchain.gni b/toolchain/gcc_toolchain.gni
2index 80e2a362a..df138c87b 100644
3--- a/build/toolchain/gcc_toolchain.gni
4+++ b/build/toolchain/gcc_toolchain.gni
5@@ -355,6 +355,8 @@ template("gcc_toolchain") {
6 # AIX does not support either -D (deterministic output) or response
7 # files.
8 command = "$ar -X64 {{arflags}} -r -c -s {{output}} {{inputs}}"
9+ } else if (current_os == "mac") {
10+ command = "$ar {{arflags}} -r -c -s {{output}} {{inputs}}"
11 } else {
12 rspfile = "{{output}}.rsp"
13 rspfile_content = "{{inputs}}"
14@@ -546,7 +548,7 @@ template("gcc_toolchain") {
15
16 start_group_flag = ""
17 end_group_flag = ""
18- if (current_os != "aix") {
19+ if (current_os != "aix" && current_os != "mac") {
20 # the "--start-group .. --end-group" feature isn't available on the aix ld.
21 start_group_flag = "-Wl,--start-group"
22 end_group_flag = "-Wl,--end-group "