From 0c6c48da2ad5c60f5404636290eb82f492c2a1a8 Mon Sep 17 00:00:00 2001
From: Michal Klocek <michal.klocek@qt.io>
Date: Fri, 21 Oct 2016 19:14:16 +0200
Subject: Add gn bootstrap to build system

Bootstraps gn wihout rebuild.

Change-Id: I09ee4d6b6f458f16f0d9ac18433823153ab75995
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
---
 tools/qmake/mkspecs/features/functions.prf | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'tools/qmake/mkspecs')

diff --git a/tools/qmake/mkspecs/features/functions.prf b/tools/qmake/mkspecs/features/functions.prf
index 8191f7589..22ce695de 100644
--- a/tools/qmake/mkspecs/features/functions.prf
+++ b/tools/qmake/mkspecs/features/functions.prf
@@ -386,6 +386,25 @@ defineReplace(buildNinja) {
    }
 }
 
+defineReplace(gnPath) {
+    src_3rd_party_dir = $$absolute_path("$${getChromiumSrcDir()}/../", "$$QTWEBENGINE_ROOT")
+    out = $$shadowed($$absolute_path(chromium/tools/gn/gn, $$src_3rd_party_dir))
+    win32: out = $${out}.exe
+    return($$out)
+}
+
+defineReplace(buildGn) {
+    out = $$gnPath()
+    !qtConfig(system-ninja): ninja_path = "--path $$ninjaPath()"
+    # check if it is not already build
+    !exists($$out) {
+        mkpath($$dirname(out))
+        src_3rd_party_dir = $$absolute_path("$${getChromiumSrcDir()}/../", "$$QTWEBENGINE_ROOT")
+        gn_configure = $$system_path($$absolute_path(chromium/tools/gn/bootstrap/bootstrap.py, $$src_3rd_party_dir))
+        system("cd $$system_quote($$system_path($$dirname(out))) && python $$system_quote($$gn_configure) --no-rebuild $$ninja_path")
+    }
+}
+
 defineTest(skipBuild) {
     skipBuildReason = "$$skipBuildReason $${EOL}$$1"
     export(skipBuildReason)
-- 
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