1 files changed, 37 insertions, 0 deletions
diff --git a/Modules/CMakeClDeps.cmake b/Modules/CMakeClDeps.cmake
new file mode 100644
index 000000000..6815e2b75
--- /dev/null
+++ b/Modules/CMakeClDeps.cmake
@@ -0,0 +1,37 @@
+
+#=============================================================================
+# Copyright 2012 Kitware, Inc.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distribute this file outside of CMake, substitute the full
+#  License text for the above reference.)
+
+#
+# When using Ninja cl.exe is wrapped by cmcldeps to extract the included
+# headers for dependency tracking.
+#
+# cmcldeps path is set, and cmcldeps needs to know the localized string
+# in front of each include path, so it can remove it.
+#
+
+IF(MSVC_C_ARCHITECTURE_ID AND CMAKE_GENERATOR MATCHES "Ninja" AND CMAKE_C_COMPILER AND CMAKE_COMMAND)
+  STRING(REPLACE "cmake.exe" "cmcldeps.exe"  CMAKE_CMCLDEPS_EXECUTABLE ${CMAKE_COMMAND})
+  SET(showdir ${CMAKE_BINARY_DIR}/CMakeFiles/ShowIncludes)
+  FILE(WRITE ${showdir}/foo.h "\n")
+  FILE(WRITE ${showdir}/main.c "#include \"foo.h\" \nint main(){}\n")
+  EXECUTE_PROCESS(COMMAND ${CMAKE_C_COMPILER} /nologo /showIncludes ${showdir}/main.c
+                  WORKING_DIRECTORY ${showdir} OUTPUT_VARIABLE showOut)
+  STRING(REPLACE main.c "" showOut1 ${showOut})
+  STRING(REPLACE "/" "\\" header1 ${showdir}/foo.h)
+  STRING(TOLOWER ${header1} header2)
+  STRING(REPLACE ${header2} "" showOut2 ${showOut1})
+  STRING(REPLACE "\n" "" showOut3 ${showOut2})
+  SET(SET_CMAKE_CMCLDEPS_EXECUTABLE   "SET(CMAKE_CMCLDEPS_EXECUTABLE \"${CMAKE_CMCLDEPS_EXECUTABLE}\")")
+  SET(SET_CMAKE_CL_SHOWINCLUDE_PREFIX "SET(CMAKE_CL_SHOWINCLUDE_PREFIX \"${showOut3}\")")
+ENDIF()