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-rw-r--r--build_overrides/build.gni18
1 files changed, 18 insertions, 0 deletions
diff --git a/build_overrides/build.gni b/build_overrides/build.gni
index a9e8000a85..61d7814005 100644
--- a/build_overrides/build.gni
+++ b/build_overrides/build.gni
@@ -40,4 +40,22 @@ declare_args() {
# due to 4GiB file size limit, see https://crbug.com/648948.
# Set this flag to true to skip the assertion.
ignore_elf32_limitations = false
+
+ # Use the system install of Xcode for tools like ibtool, libtool, etc.
+ # This does not affect the compiler. When this variable is false, targets will
+ # instead use a hermetic install of Xcode. [The hermetic install can be
+ # obtained with gclient sync after setting the environment variable
+ # FORCE_MAC_TOOLCHAIN].
+ use_system_xcode = ""
+}
+
+if (use_system_xcode == "") {
+ if (target_os == "mac") {
+ _result =
+ exec_script("//build/mac/should_use_hermetic_xcode.py", [], "value")
+ use_system_xcode = _result == 0
+ }
+ if (target_os == "ios") {
+ use_system_xcode = true
+ }
}