Add gn build of qtwebengine for linux

This commit uses gn instead of gyp to build on desktop
linux.

Use WEBENGINE_CONFIG+=use_gn to use gn during the build
instead of gyp.

Change-Id: Ifd3d8d0835b47c323a8d39c320eb55e5e1024dee
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>

2 files changed, 12 insertions, 6 deletions

diff --git a/tools/qmake/mkspecs/features/functions.prf b/tools/qmake/mkspecs/features/functions.prf
index a47e4b7e8..9cd20d736 100644
--- a/tools/qmake/mkspecs/features/functions.prf
+++ b/tools/qmake/mkspecs/features/functions.prf
@@ -381,19 +381,23 @@ defineReplace(buildNinja) {
    !exists($$out) {
        mkpath($$dirname(out))
        src_3rd_party_dir = $$absolute_path("$${getChromiumSrcDir()}/../", "$$QTWEBENGINE_ROOT")
-       ninja_configure = $$absolute_path(ninja/configure.py, $$src_3rd_party_dir)
-       system("cd $$system_quote($$system_path($$dirname(out))) && python $$system_quote($$system_path($$ninja_configure)) --bootstrap")
+       ninja_configure =  $$system_quote($$system_path($$absolute_path(ninja/configure.py, $$src_3rd_party_dir)))
+       !system("cd $$system_quote($$system_path($$dirname(out))) && python $$ninja_configure --bootstrap") {
+            error("NINJA build error!")
+       }
    }
 }
 
 defineReplace(gnPath) {
     src_3rd_party_dir = $$absolute_path("$${getChromiumSrcDir()}/../", "$$QTWEBENGINE_ROOT")
-    out = $$shadowed($$absolute_path(chromium/tools/gn/gn, $$src_3rd_party_dir))
+    out = $$shadowed($$absolute_path(chromium/tools/gn/out/Release/gn, $$src_3rd_party_dir))
+
     win32: out = $${out}.exe
     return($$out)
 }
 
 defineReplace(buildGn) {
+    gn_args = $$1
     out = $$gnPath()
     !qtConfig(system-ninja): ninja_path = "--path $$ninjaPath()"
     # check if it is not already build
@@ -401,9 +405,11 @@ defineReplace(buildGn) {
         mkpath($$dirname(out))
         src_3rd_party_dir = $$absolute_path("$${getChromiumSrcDir()}/../", "$$QTWEBENGINE_ROOT")
         gn_bootstrap = $$system_path($$absolute_path(chromium/tools/gn/bootstrap/bootstrap.py, $$src_3rd_party_dir))
-        gn_args = $$system_quote(is_clang=false use_sysroot=false enable_remoting=false enable_nacl=false)
+        gn_args = $$system_quote($$gn_args)
         gn_configure = $$system_quote($$gn_bootstrap) --shadow --gn-gen-args=$$gn_args $$ninja_path
-        system("cd $$system_quote($$system_path($$dirname(out))) && python $$gn_configure")
+        !system("cd $$system_quote($$system_path($$dirname(out))) && python $$gn_configure") {
+            error("GN build error!")
+        }
     }
 }
 
diff --git a/tools/qmake/mkspecs/features/gn_generator.prf b/tools/qmake/mkspecs/features/gn_generator.prf
index c5f283a99..f53132feb 100644
--- a/tools/qmake/mkspecs/features/gn_generator.prf
+++ b/tools/qmake/mkspecs/features/gn_generator.prf
@@ -93,7 +93,7 @@ GN_CONTENTS += "}"
 TARGET_TYPE = $$getTargetType()
 
 GN_CONTENTS += "$${TARGET_TYPE}(\"$$TARGET\") {"
-
+!isEmpty(GN_CREATE_PRI): GN_CONTENTS += "  create_pri_file = $$GN_CREATE_PRI"
 !isEmpty(GN_IMPORTS) {
 for (imp, GN_IMPORTS): GN_CONTENTS += "  import(\"$$imp\")"
 }