Fixed submodule setup on Windows.

CMakeLists.txt

@@ -25,10 +25,10 @@ INCLUDE(scripts/cmake/FindIncludeHeader.cmake)
 INCLUDE(scripts/cmake/Functions.cmake)
 INCLUDE(scripts/cmake/CMakeSetup.cmake)
 INCLUDE(scripts/cmake/CompilerSetup.cmake)
-INCLUDE(scripts/cmake/SubmoduleSetup.cmake)
 IF(NOT OGS_NO_EXTERNAL_LIBS)
 	INCLUDE(scripts/cmake/Find.cmake)
 ENDIF() # NOT OGS_NO_EXTERNAL_LIBS
+INCLUDE(scripts/cmake/SubmoduleSetup.cmake)
 INCLUDE(scripts/cmake/ProjectSetup.cmake)
 INCLUDE(scripts/cmake/DocumentationSetup.cmake)
 INCLUDE(scripts/cmake/Test.cmake)

scripts/cmake/Find.cmake

@@ -29,6 +29,8 @@ FIND_PACKAGE(PythonInterp)
 
 FIND_PACKAGE(GitHub)
 
+FIND_PROGRAM(GIT_TOOL_PATH git HINTS ${GITHUB_BIN_DIR} DOC "The git command line interface")
+
 # Find bash itself ...
 FIND_PROGRAM(BASH_TOOL_PATH bash
 	HINTS ${GITHUB_BIN_DIR} DOC "The bash executable")

scripts/cmake/SubmoduleSetup.cmake

@@ -16,7 +16,7 @@ FOREACH(SUBMODULE ${REQUIRED_SUBMODULES})
 	IF(SUBMODULE_IS_NOT_INITIALIZED)
 		MESSAGE(STATUS "Initializing submodule ${SUBMODULE}")
 		EXECUTE_PROCESS(
-			COMMAND git submodule update --init ${SUBMODULE}
+			COMMAND ${GIT_TOOL_PATH} submodule update --init ${SUBMODULE}
 			WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
 		)
 	ENDIF()