thodg/libgit2/deps/winhttp/CMakeLists.txt

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• Hash : 4da74c83
  Author :
  Date : 2017-10-20T07:29:17
  

  cmake: use project-relative binary and source directories Due to our split of CMake files into multiple modules, we had to replace some uses of the `${CMAKE_CURRENT_SOURCE_DIR}` and `${CMAKE_CURRENT_BINARY_DIR}` variables and replace them with `${CMAKE_SOURCE_DIR}` and `${CMAKE_BINARY_DIR}`. This enabled us to still be able to refer to top-level files when defining build instructions inside of a subdirectory. When replacing all variables, it was assumed that the absolute set of variables is always relative to the current project. But in fact, this is not the case, as these variables always point to the source and binary directory as given by the top-levl project. So the change actually broke the ability to include libgit2 directly as a subproject, as source files cannot be found anymore. Fix this by instead using project-specific source and binary directories with `${libgit2_SOURCE_DIR}` and `${libgit2_BINARY_DIR}`.

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• deps/winhttp/CMakeLists.txt

• FIND_PROGRAM(DLLTOOL dlltool CMAKE_FIND_ROOT_PATH_BOTH)
  IF (NOT DLLTOOL)
  	MESSAGE(FATAL_ERROR "Could not find dlltool command")
  ENDIF ()
  
  SET(LIBWINHTTP_PATH "${libgit2_BINARY_DIR}/deps/winhttp")
  SET(LIBWINHTTP_PATH ${LIBWINHTTP_PATH} PARENT_SCOPE)
  FILE(MAKE_DIRECTORY ${LIBWINHTTP_PATH})
  
  IF (CMAKE_SIZEOF_VOID_P EQUAL 8)
  	set(WINHTTP_DEF "winhttp64.def")
  ELSE()
  	set(WINHTTP_DEF "winhttp.def")
  ENDIF()
  
  ADD_CUSTOM_COMMAND(
  	OUTPUT ${LIBWINHTTP_PATH}/libwinhttp.a
  	COMMAND ${DLLTOOL} -d ${WINHTTP_DEF} -k -D winhttp.dll -l libwinhttp.a
  	DEPENDS ${WINHTTP_DEF}
  	WORKING_DIRECTORY ${LIBWINHTTP_PATH}
  )
  
  SET_SOURCE_FILES_PROPERTIES(
  	${CMAKE_CURRENT_SOURCE_DIR}/src/transports/winhttp.c
  	PROPERTIES OBJECT_DEPENDS ${LIBWINHTTP_PATH}/libwinhttp.a
  )
  

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