GN: Add Arm64 Linux support
Add Arm64 linux support be able to build GN binary for
native arm64 builds.
R=dpranke@chromium.org, brettw@chromium.org
Review-Url: https://codereview.chromium.org/2550673002
Cr-Original-Commit-Position: refs/heads/master@{#436256}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: b9a43ab09791a1dcfd185141f71627c3b8d437db
diff --git a/tools/gn/args.cc b/tools/gn/args.cc
index 7285d7a..54703e1 100644
--- a/tools/gn/args.cc
+++ b/tools/gn/args.cc
@@ -266,6 +266,7 @@
static const char kX86[] = "x86";
static const char kX64[] = "x64";
static const char kArm[] = "arm";
+ static const char kArm64[] = "arm64";
static const char kMips[] = "mipsel";
static const char kS390X[] = "s390x";
static const char kPPC64[] = "ppc64";
@@ -280,6 +281,8 @@
arch = kX64;
else if (os_arch.substr(0, 3) == "arm")
arch = kArm;
+ else if (os_arch == "aarch64")
+ arch = kArm64;
else if (os_arch == "mips")
arch = kMips;
else if (os_arch == "s390x")
