From 0afc194c6446e6c3242f1d706b4564e3a9cb2cee 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/WebKit/PlatformGTK.cmake | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/Source/WebKit/PlatformGTK.cmake b/Source/WebKit/PlatformGTK.cmake
index a074a80..8c6ebb5 100644
--- a/Source/WebKit/PlatformGTK.cmake
+++ b/Source/WebKit/PlatformGTK.cmake
@@ -728,8 +728,9 @@ if (ENABLE_INTROSPECTION)
     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 WebKit
         DEPENDS ${CMAKE_BINARY_DIR}/JavaScriptCore-${WEBKITGTK_API_VERSION}.gir
         COMMAND CC=${CMAKE_C_COMPILER} CFLAGS=-Wno-deprecated-declarations\ ${CMAKE_C_FLAGS} LDFLAGS=
@@ -773,7 +774,7 @@ if (ENABLE_INTROSPECTION)
     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}"
@@ -828,7 +829,7 @@ if (ENABLE_INTROSPECTION)
 
     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
     )