parent
369ef8f68d
commit
fa6b3d5e2e
@ -1,112 +1,2 @@
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include_guard()
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# Disable cmkr if no cmake.toml file is found
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if(NOT EXISTS ${CMAKE_CURRENT_LIST_DIR}/cmake.toml)
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message(STATUS "[cmkr] Not found: ${CMAKE_CURRENT_LIST_DIR}/cmake.toml")
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macro(cmkr)
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endmacro()
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return()
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endif()
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# Add a build-time dependency on the contents of cmake.toml to regenerate the CMakeLists.txt when modified
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configure_file(${CMAKE_CURRENT_LIST_DIR}/cmake.toml ${CMAKE_CURRENT_BINARY_DIR}/cmake.toml COPYONLY)
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# Helper macro to execute a process (COMMAND_ERROR_IS_FATAL ANY is 3.19 and higher)
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macro(cmkr_exec)
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execute_process(COMMAND ${ARGV} RESULT_VARIABLE CMKR_EXEC_RESULT)
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if(NOT CMKR_EXEC_RESULT EQUAL 0)
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message(FATAL_ERROR "cmkr_exec(${ARGV}) failed (exit code ${CMKR_EXEC_RESULT})")
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endif()
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endmacro()
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# Windows-specific hack (CMAKE_EXECUTABLE_PREFIX is not set at the moment)
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if(WIN32)
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set(CMKR_EXECUTABLE_NAME "cmkr.exe")
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else()
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set(CMKR_EXECUTABLE_NAME "cmkr")
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endif()
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# Use cached cmkr if found
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if(DEFINED CACHE{CMKR_EXECUTABLE} AND EXISTS ${CMKR_EXECUTABLE})
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message(VERBOSE "[cmkr] Found cmkr: '${CMKR_EXECUTABLE}'")
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else()
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if(DEFINED CACHE{CMKR_EXECUTABLE})
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message(VERBOSE "[cmkr] '${CMKR_EXECUTABLE}' not found")
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endif()
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set(CMKR_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/_cmkr)
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set(CMKR_EXECUTABLE ${CMAKE_CURRENT_BINARY_DIR}/_cmkr/bin/${CMKR_EXECUTABLE_NAME} CACHE INTERNAL "Full path to cmkr executable")
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if(NOT EXISTS ${CMKR_EXECUTABLE})
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message(VERBOSE "[cmkr] Bootstrapping '${CMKR_EXECUTABLE}'")
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message(STATUS "[cmkr] Fetching cmkr...")
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if(EXISTS ${CMKR_DIRECTORY})
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cmkr_exec(${CMAKE_COMMAND} -E rm -rf ${CMKR_DIRECTORY})
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endif()
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find_package(Git QUIET REQUIRED)
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set(CMKR_REPO "https://github.com/moalyousef/cmkr")
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cmkr_exec(${GIT_EXECUTABLE} clone ${CMKR_REPO} ${CMKR_DIRECTORY})
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cmkr_exec(${CMAKE_COMMAND} ${CMKR_DIRECTORY} -B${CMKR_DIRECTORY}/build -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=${CMKR_DIRECTORY})
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cmkr_exec(${CMAKE_COMMAND} --build ${CMKR_DIRECTORY}/build --parallel --config Release)
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cmkr_exec(${CMAKE_COMMAND} --install ${CMKR_DIRECTORY}/build --config Release --prefix ${CMKR_DIRECTORY} --component cmkr)
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if(NOT EXISTS ${CMKR_EXECUTABLE})
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message(FATAL_ERROR "[cmkr] Failed to bootstrap '${CMKR_EXECUTABLE}'")
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endif()
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cmkr_exec(${CMKR_EXECUTABLE} version OUTPUT_VARIABLE CMKR_VERSION)
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string(STRIP ${CMKR_VERSION} CMKR_VERSION)
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message(STATUS "[cmkr] Bootstrapped ${CMKR_EXECUTABLE}")
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else()
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message(VERBOSE "[cmkr] Found cmkr: '${CMKR_EXECUTABLE}'")
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endif()
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endif()
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execute_process(COMMAND ${CMKR_EXECUTABLE} version
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OUTPUT_VARIABLE CMKR_VERSION
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RESULT_VARIABLE CMKR_EXEC_RESULT
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)
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if(NOT CMKR_EXEC_RESULT EQUAL 0)
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unset(CMKR_EXECUTABLE CACHE)
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message(FATAL_ERROR "[cmkr] Failed to get version, try clearing the cache and rebuilding")
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endif()
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string(STRIP ${CMKR_VERSION} CMKR_VERSION)
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message(STATUS "[cmkr] Using ${CMKR_VERSION}")
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# This is the macro that contains black magic
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macro(cmkr)
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# When this macro is called from the generated file, fake some internal CMake variables
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get_source_file_property(CMKR_CURRENT_LIST_FILE ${CMAKE_CURRENT_LIST_FILE} CMKR_CURRENT_LIST_FILE)
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if(CMKR_CURRENT_LIST_FILE)
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set(CMAKE_CURRENT_LIST_FILE ${CMKR_CURRENT_LIST_FILE})
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get_filename_component(CMAKE_CURRENT_LIST_DIR ${CMAKE_CURRENT_LIST_FILE} DIRECTORY)
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endif()
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# File-based include guard (include_guard is not documented to work)
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get_source_file_property(CMKR_INCLUDE_GUARD ${CMAKE_CURRENT_LIST_FILE} CMKR_INCLUDE_GUARD)
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if(NOT CMKR_INCLUDE_GUARD)
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set_source_files_properties(${CMAKE_CURRENT_LIST_FILE} PROPERTIES CMKR_INCLUDE_GUARD TRUE)
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# Generate CMakeLists.txt
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cmkr_exec(${CMKR_EXECUTABLE} gen -y
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WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
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OUTPUT_VARIABLE CMKR_GEN_OUTPUT
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)
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string(STRIP ${CMKR_GEN_OUTPUT} CMKR_GEN_OUTPUT)
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message(STATUS "[cmkr] ${CMKR_GEN_OUTPUT}")
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# Copy the now-generated CMakeLists.txt to CMakerLists.txt
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# This is done because you cannot include() a file you are currently in
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set(CMKR_TEMP_FILE ${CMAKE_CURRENT_LIST_DIR}/CMakerLists.txt)
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configure_file(CMakeLists.txt ${CMKR_TEMP_FILE} COPYONLY)
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# Add the macro required for the hack at the start of the cmkr macro
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set_source_files_properties(${CMKR_TEMP_FILE} PROPERTIES
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CMKR_CURRENT_LIST_FILE ${CMAKE_CURRENT_LIST_FILE}
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)
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# 'Execute' the newly-generated CMakeLists.txt
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include(${CMKR_TEMP_FILE})
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# Delete the generated file
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file(REMOVE ${CMKR_TEMP_FILE})
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# Do not execute the rest of the original CMakeLists.txt
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return()
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endif()
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endmacro()
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# This is just a hack, use the file contents in the root of the repository for your projects
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include(../cmkr.cmake)
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@ -0,0 +1,112 @@
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include_guard()
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# Disable cmkr if no cmake.toml file is found
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if(NOT EXISTS ${CMAKE_CURRENT_LIST_DIR}/cmake.toml)
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message(STATUS "[cmkr] Not found: ${CMAKE_CURRENT_LIST_DIR}/cmake.toml")
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macro(cmkr)
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endmacro()
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return()
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endif()
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# Add a build-time dependency on the contents of cmake.toml to regenerate the CMakeLists.txt when modified
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configure_file(${CMAKE_CURRENT_LIST_DIR}/cmake.toml ${CMAKE_CURRENT_BINARY_DIR}/cmake.toml COPYONLY)
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# Helper macro to execute a process (COMMAND_ERROR_IS_FATAL ANY is 3.19 and higher)
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macro(cmkr_exec)
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execute_process(COMMAND ${ARGV} RESULT_VARIABLE CMKR_EXEC_RESULT)
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if(NOT CMKR_EXEC_RESULT EQUAL 0)
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message(FATAL_ERROR "cmkr_exec(${ARGV}) failed (exit code ${CMKR_EXEC_RESULT})")
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endif()
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endmacro()
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# Windows-specific hack (CMAKE_EXECUTABLE_PREFIX is not set at the moment)
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if(WIN32)
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set(CMKR_EXECUTABLE_NAME "cmkr.exe")
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else()
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set(CMKR_EXECUTABLE_NAME "cmkr")
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endif()
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# Use cached cmkr if found
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if(DEFINED CACHE{CMKR_EXECUTABLE} AND EXISTS ${CMKR_EXECUTABLE})
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message(VERBOSE "[cmkr] Found cmkr: '${CMKR_EXECUTABLE}'")
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else()
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if(DEFINED CACHE{CMKR_EXECUTABLE})
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message(VERBOSE "[cmkr] '${CMKR_EXECUTABLE}' not found")
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endif()
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set(CMKR_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/_cmkr)
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set(CMKR_EXECUTABLE ${CMAKE_CURRENT_BINARY_DIR}/_cmkr/bin/${CMKR_EXECUTABLE_NAME} CACHE INTERNAL "Full path to cmkr executable")
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if(NOT EXISTS ${CMKR_EXECUTABLE})
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message(VERBOSE "[cmkr] Bootstrapping '${CMKR_EXECUTABLE}'")
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message(STATUS "[cmkr] Fetching cmkr...")
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if(EXISTS ${CMKR_DIRECTORY})
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cmkr_exec(${CMAKE_COMMAND} -E rm -rf ${CMKR_DIRECTORY})
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endif()
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find_package(Git QUIET REQUIRED)
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set(CMKR_REPO "https://github.com/moalyousef/cmkr")
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cmkr_exec(${GIT_EXECUTABLE} clone ${CMKR_REPO} ${CMKR_DIRECTORY})
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cmkr_exec(${CMAKE_COMMAND} --no-warn-unused-cli ${CMKR_DIRECTORY} -B${CMKR_DIRECTORY}/build -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=${CMKR_DIRECTORY})
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cmkr_exec(${CMAKE_COMMAND} --build ${CMKR_DIRECTORY}/build --parallel --config Release)
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cmkr_exec(${CMAKE_COMMAND} --install ${CMKR_DIRECTORY}/build --config Release --prefix ${CMKR_DIRECTORY} --component cmkr)
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if(NOT EXISTS ${CMKR_EXECUTABLE})
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message(FATAL_ERROR "[cmkr] Failed to bootstrap '${CMKR_EXECUTABLE}'")
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endif()
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cmkr_exec(${CMKR_EXECUTABLE} version OUTPUT_VARIABLE CMKR_VERSION)
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string(STRIP ${CMKR_VERSION} CMKR_VERSION)
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message(STATUS "[cmkr] Bootstrapped ${CMKR_EXECUTABLE}")
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else()
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message(VERBOSE "[cmkr] Found cmkr: '${CMKR_EXECUTABLE}'")
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endif()
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endif()
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execute_process(COMMAND ${CMKR_EXECUTABLE} version
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OUTPUT_VARIABLE CMKR_VERSION
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RESULT_VARIABLE CMKR_EXEC_RESULT
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)
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if(NOT CMKR_EXEC_RESULT EQUAL 0)
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unset(CMKR_EXECUTABLE CACHE)
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message(FATAL_ERROR "[cmkr] Failed to get version, try clearing the cache and rebuilding")
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endif()
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string(STRIP ${CMKR_VERSION} CMKR_VERSION)
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message(STATUS "[cmkr] Using ${CMKR_VERSION}")
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# This is the macro that contains black magic
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macro(cmkr)
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# When this macro is called from the generated file, fake some internal CMake variables
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get_source_file_property(CMKR_CURRENT_LIST_FILE ${CMAKE_CURRENT_LIST_FILE} CMKR_CURRENT_LIST_FILE)
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if(CMKR_CURRENT_LIST_FILE)
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set(CMAKE_CURRENT_LIST_FILE ${CMKR_CURRENT_LIST_FILE})
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get_filename_component(CMAKE_CURRENT_LIST_DIR ${CMAKE_CURRENT_LIST_FILE} DIRECTORY)
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endif()
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# File-based include guard (include_guard is not documented to work)
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get_source_file_property(CMKR_INCLUDE_GUARD ${CMAKE_CURRENT_LIST_FILE} CMKR_INCLUDE_GUARD)
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if(NOT CMKR_INCLUDE_GUARD)
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set_source_files_properties(${CMAKE_CURRENT_LIST_FILE} PROPERTIES CMKR_INCLUDE_GUARD TRUE)
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# Generate CMakeLists.txt
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cmkr_exec(${CMKR_EXECUTABLE} gen -y
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WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
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OUTPUT_VARIABLE CMKR_GEN_OUTPUT
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)
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string(STRIP ${CMKR_GEN_OUTPUT} CMKR_GEN_OUTPUT)
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message(STATUS "[cmkr] ${CMKR_GEN_OUTPUT}")
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# Copy the now-generated CMakeLists.txt to CMakerLists.txt
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# This is done because you cannot include() a file you are currently in
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set(CMKR_TEMP_FILE ${CMAKE_CURRENT_LIST_DIR}/CMakerLists.txt)
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configure_file(CMakeLists.txt ${CMKR_TEMP_FILE} COPYONLY)
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# Add the macro required for the hack at the start of the cmkr macro
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set_source_files_properties(${CMKR_TEMP_FILE} PROPERTIES
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CMKR_CURRENT_LIST_FILE ${CMAKE_CURRENT_LIST_FILE}
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)
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# 'Execute' the newly-generated CMakeLists.txt
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include(${CMKR_TEMP_FILE})
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# Delete the generated file
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file(REMOVE ${CMKR_TEMP_FILE})
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# Do not execute the rest of the original CMakeLists.txt
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return()
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endif()
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endmacro()
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Loading…
Reference in new issue