1 files changed, 63 insertions, 0 deletions
diff --git a/taskcluster/scripts/misc/build-gn-common.sh b/taskcluster/scripts/misc/build-gn-common.sh
new file mode 100755
index 0000000000..66e74914c5
--- /dev/null
+++ b/taskcluster/scripts/misc/build-gn-common.sh
@@ -0,0 +1,63 @@
+#!/bin/bash
+set -e -v
+
+# This is shared code for building GN.
+cd $MOZ_FETCHES_DIR/gn
+
+# We remove /WC because of https://bugs.chromium.org/p/gn/issues/detail?id=51
+# And /MACHINE:x64 because we just let the PATH decide what cl and link are
+# used, and if cl is targetting x86, we don't want linkage to fail because of
+# /MACHINE:x64.
+patch -p1 <<'EOF'
+diff --git a/build/gen.py b/build/gen.py
+index a7142fab..78d0fd56 100755
+--- a/build/gen.py
++++ b/build/gen.py
+@@ -357,7 +357,6 @@ def WriteGNNinja(path, platform, host, options):
+         '/D_WIN32_WINNT=0x0A00',
+         '/FS',
+         '/W4',
+-        '/WX',
+         '/Zi',
+         '/wd4099',
+         '/wd4100',
+@@ -373,7 +372,7 @@ def WriteGNNinja(path, platform, host, options):
+         '/D_HAS_EXCEPTIONS=0',
+     ])
+ 
+-    ldflags.extend(['/DEBUG', '/MACHINE:x64'])
++    ldflags.extend(['/DEBUG'])
+ 
+   static_libraries = {
+       'base': {'sources': [
+EOF
+
+if test -n "$MAC_CROSS"; then
+    python build/gen.py --platform darwin --no-last-commit-position
+else
+    python build/gen.py --no-last-commit-position
+fi
+
+cat > out/last_commit_position.h <<EOF
+#ifndef OUT_LAST_COMMIT_POSITION_H_
+#define OUT_LAST_COMMIT_POSITION_H_
+
+#define LAST_COMMIT_POSITION "unknown"
+
+#endif  // OUT_LAST_COMMIT_POSITION_H_
+EOF
+
+ninja -C out -v
+
+STAGE=gn
+mkdir -p $UPLOAD_DIR $STAGE
+
+# At this point, the resulting binary is at:
+# $WORKSPACE/out/Release/gn
+if test "$MAC_CROSS" = "" -a "$(uname)" = "Linux"; then
+    strip out/gn
+fi
+cp out/gn $STAGE
+
+tar -acf gn.tar.$COMPRESS_EXT $STAGE
+cp gn.tar.$COMPRESS_EXT $UPLOAD_DIR