1 files changed, 11 insertions, 0 deletions
diff --git a/gn/BUILDCONFIG.gn b/gn/BUILDCONFIG.gn
index 43f66f8832..ca91c1bcb3 100644
--- a/gn/BUILDCONFIG.gn
+++ b/gn/BUILDCONFIG.gn
@@ -23,6 +23,7 @@ declare_args() {
   cxx = "c++"
 
   msvc = 2015
+  clang_win = ""
 }
 declare_args() {
   is_debug = !is_official_build
@@ -68,6 +69,16 @@ if (current_cpu == "") {
   current_cpu = target_cpu
 }
 
+is_clang = is_android || is_ios || is_mac || (cc == "clang" && cxx == "clang++") || clang_win != ""
+if (!is_clang && !is_win) {
+  is_clang = exec_script("gn/is_clang.py",
+                         [
+                           cc,
+                           cxx,
+                         ],
+                         "value")
+}
+
 if (is_android) {
   ndk_host = ""
   ndk_target = ""