webkitgtk: fix racy double build of WebKit2-4.0.gir

This occasionally triggered autobuilder errors where the .gir file
appeared truncated to introspection tools.

(From OE-Core rev: 2154c1c803b7bd36a1401fa657e7fd8cb1060a70)

Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-sato/webkit/files/0001-Fix-racy-parallel-build-of-WebKit2-4.0.gir.patch

@@ -0,0 +1,48 @@
+From 5760d346b42807b596f479c81f7a6b42eb36065e Mon Sep 17 00:00:00 2001
+From: Alexander Kanavin <alex.kanavin@gmail.com>
+Date: Mon, 29 Aug 2016 16:38:11 +0300
+Subject: [PATCH] Fix racy parallel build of WebKit2-4.0.gir
+
+Upstream-Status: Pending
+Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
+---
+ Source/WebKit2/PlatformGTK.cmake | 9 +++++----
+ 1 file changed, 5 insertions(+), 4 deletions(-)
+
+diff --git a/Source/WebKit2/PlatformGTK.cmake b/Source/WebKit2/PlatformGTK.cmake
+index adaa010..f18cf8a 100644
+--- a/Source/WebKit2/PlatformGTK.cmake
++++ b/Source/WebKit2/PlatformGTK.cmake
+@@ -906,8 +906,9 @@ endif ()
+ string(REGEX MATCHALL "-L[^ ]*"
+     INTROSPECTION_ADDITIONAL_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}")
+ 
+-add_custom_command(
+-    OUTPUT ${CMAKE_BINARY_DIR}/WebKit2-${WEBKITGTK_API_VERSION}.gir
++# This is a target and not a command because it's used to build another .gir
++# and a .typelib, which would trigger two racy parallel builds when using command
++add_custom_target(WebKit2-${WEBKITGTK_API_VERSION}-gir
+     DEPENDS WebKit2
+     DEPENDS ${CMAKE_BINARY_DIR}/JavaScriptCore-${WEBKITGTK_API_VERSION}.gir
+     COMMAND CC=${CMAKE_C_COMPILER} CFLAGS=-Wno-deprecated-declarations\ ${CMAKE_C_FLAGS} LDFLAGS=
+@@ -950,7 +951,7 @@ add_custom_command(
+ add_custom_command(
+     OUTPUT ${CMAKE_BINARY_DIR}/WebKit2WebExtension-${WEBKITGTK_API_VERSION}.gir
+     DEPENDS ${CMAKE_BINARY_DIR}/JavaScriptCore-${WEBKITGTK_API_VERSION}.gir
+-    DEPENDS ${CMAKE_BINARY_DIR}/WebKit2-${WEBKITGTK_API_VERSION}.gir
++    DEPENDS WebKit2-${WEBKITGTK_API_VERSION}-gir
+     COMMAND CC=${CMAKE_C_COMPILER} CFLAGS=-Wno-deprecated-declarations\ ${CMAKE_C_FLAGS}
+         LDFLAGS="${INTROSPECTION_ADDITIONAL_LDFLAGS}"
+         ${LOADER_LIBRARY_PATH_VAR}="${INTROSPECTION_ADDITIONAL_LIBRARY_PATH}"
+@@ -1004,7 +1005,7 @@ add_custom_command(
+ 
+ add_custom_command(
+     OUTPUT ${CMAKE_BINARY_DIR}/WebKit2-${WEBKITGTK_API_VERSION}.typelib
+-    DEPENDS ${CMAKE_BINARY_DIR}/WebKit2-${WEBKITGTK_API_VERSION}.gir
++    DEPENDS WebKit2-${WEBKITGTK_API_VERSION}-gir
+     COMMAND ${INTROSPECTION_COMPILER} --includedir=${CMAKE_BINARY_DIR} ${CMAKE_BINARY_DIR}/WebKit2-${WEBKITGTK_API_VERSION}.gir -o ${CMAKE_BINARY_DIR}/WebKit2-${WEBKITGTK_API_VERSION}.typelib
+ )
+ 
+-- 
+2.9.3
+

meta/recipes-sato/webkit/webkitgtk_2.12.4.bb

@@ -18,6 +18,7 @@ SRC_URI = "\
   file://0001-WebKitMacros-Append-to-I-and-not-to-isystem.patch \
   file://musl-fixes.patch \
   file://ppc-musl-fix.patch \
+  file://0001-Fix-racy-parallel-build-of-WebKit2-4.0.gir.patch \
   "
 SRC_URI[md5sum] = "0331ac714fd1a0587ffea470ef1afb20"
 SRC_URI[sha256sum] = "424d3177599abbc1eb1a1ad7928dd280a62006e992f2fada2e059375a9609a77"