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merge into: mrexodia:main
Branches Tags
mrexodia:main
mrexodia:toml-checker
mrexodia:vcpkg-wip
mrexodia:self-hosting
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pull from: mrexodia:self-hosting
Branches Tags
mrexodia:main
mrexodia:toml-checker
mrexodia:vcpkg-wip
mrexodia:self-hosting

1 Commits
main ... self-hosti

Author SHA1 Message Date
Duncan Ogilvie fa6b3d5e2e Make cmkr self-hosting
4 years ago
3 changed files with 188 additions and 186 deletions
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14
CMakeLists.txt
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@ -31,11 +31,11 @@ FetchContent_Declare(
FetchContent_MakeAvailable(toml11)
set(CMKRLIB_SOURCES
"src/cmake.cpp"
"src/gen.cpp"
"src/help.cpp"
"src/build.cpp"
"src/error.cpp"
src/cmake.cpp
src/gen.cpp
src/help.cpp
src/build.cpp
src/error.cpp
)
add_library(cmkrlib STATIC ${CMKRLIB_SOURCES})
@ -54,8 +54,8 @@ target_compile_features(cmkrlib PUBLIC
)
set(CMKR_SOURCES
"src/main.cpp"
"src/args.cpp"
src/main.cpp
src/args.cpp
)
add_executable(cmkr ${CMKR_SOURCES})

114
cmake/cmkr.cmake
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@ -1,112 +1,2 @@
include_guard()
# Disable cmkr if no cmake.toml file is found
if(NOT EXISTS ${CMAKE_CURRENT_LIST_DIR}/cmake.toml)
message(STATUS "[cmkr] Not found: ${CMAKE_CURRENT_LIST_DIR}/cmake.toml")
macro(cmkr)
endmacro()
return()
endif()
# Add a build-time dependency on the contents of cmake.toml to regenerate the CMakeLists.txt when modified
configure_file(${CMAKE_CURRENT_LIST_DIR}/cmake.toml ${CMAKE_CURRENT_BINARY_DIR}/cmake.toml COPYONLY)
# Helper macro to execute a process (COMMAND_ERROR_IS_FATAL ANY is 3.19 and higher)
macro(cmkr_exec)
execute_process(COMMAND ${ARGV} RESULT_VARIABLE CMKR_EXEC_RESULT)
if(NOT CMKR_EXEC_RESULT EQUAL 0)
message(FATAL_ERROR "cmkr_exec(${ARGV}) failed (exit code ${CMKR_EXEC_RESULT})")
endif()
endmacro()
# Windows-specific hack (CMAKE_EXECUTABLE_PREFIX is not set at the moment)
if(WIN32)
set(CMKR_EXECUTABLE_NAME "cmkr.exe")
else()
set(CMKR_EXECUTABLE_NAME "cmkr")
endif()
# Use cached cmkr if found
if(DEFINED CACHE{CMKR_EXECUTABLE} AND EXISTS ${CMKR_EXECUTABLE})
message(VERBOSE "[cmkr] Found cmkr: '${CMKR_EXECUTABLE}'")
else()
if(DEFINED CACHE{CMKR_EXECUTABLE})
message(VERBOSE "[cmkr] '${CMKR_EXECUTABLE}' not found")
endif()
set(CMKR_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/_cmkr)
set(CMKR_EXECUTABLE ${CMAKE_CURRENT_BINARY_DIR}/_cmkr/bin/${CMKR_EXECUTABLE_NAME} CACHE INTERNAL "Full path to cmkr executable")
if(NOT EXISTS ${CMKR_EXECUTABLE})
message(VERBOSE "[cmkr] Bootstrapping '${CMKR_EXECUTABLE}'")
message(STATUS "[cmkr] Fetching cmkr...")
if(EXISTS ${CMKR_DIRECTORY})
cmkr_exec(${CMAKE_COMMAND} -E rm -rf ${CMKR_DIRECTORY})
endif()
find_package(Git QUIET REQUIRED)
set(CMKR_REPO "https://github.com/moalyousef/cmkr")
cmkr_exec(${GIT_EXECUTABLE} clone ${CMKR_REPO} ${CMKR_DIRECTORY})
cmkr_exec(${CMAKE_COMMAND} ${CMKR_DIRECTORY} -B${CMKR_DIRECTORY}/build -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=${CMKR_DIRECTORY})
cmkr_exec(${CMAKE_COMMAND} --build ${CMKR_DIRECTORY}/build --parallel --config Release)
cmkr_exec(${CMAKE_COMMAND} --install ${CMKR_DIRECTORY}/build --config Release --prefix ${CMKR_DIRECTORY} --component cmkr)
if(NOT EXISTS ${CMKR_EXECUTABLE})
message(FATAL_ERROR "[cmkr] Failed to bootstrap '${CMKR_EXECUTABLE}'")
endif()
cmkr_exec(${CMKR_EXECUTABLE} version OUTPUT_VARIABLE CMKR_VERSION)
string(STRIP ${CMKR_VERSION} CMKR_VERSION)
message(STATUS "[cmkr] Bootstrapped ${CMKR_EXECUTABLE}")
else()
message(VERBOSE "[cmkr] Found cmkr: '${CMKR_EXECUTABLE}'")
endif()
endif()
execute_process(COMMAND ${CMKR_EXECUTABLE} version
OUTPUT_VARIABLE CMKR_VERSION
RESULT_VARIABLE CMKR_EXEC_RESULT
)
if(NOT CMKR_EXEC_RESULT EQUAL 0)
unset(CMKR_EXECUTABLE CACHE)
message(FATAL_ERROR "[cmkr] Failed to get version, try clearing the cache and rebuilding")
endif()
string(STRIP ${CMKR_VERSION} CMKR_VERSION)
message(STATUS "[cmkr] Using ${CMKR_VERSION}")
# This is the macro that contains black magic
macro(cmkr)
# When this macro is called from the generated file, fake some internal CMake variables
get_source_file_property(CMKR_CURRENT_LIST_FILE ${CMAKE_CURRENT_LIST_FILE} CMKR_CURRENT_LIST_FILE)
if(CMKR_CURRENT_LIST_FILE)
set(CMAKE_CURRENT_LIST_FILE ${CMKR_CURRENT_LIST_FILE})
get_filename_component(CMAKE_CURRENT_LIST_DIR ${CMAKE_CURRENT_LIST_FILE} DIRECTORY)
endif()
# File-based include guard (include_guard is not documented to work)
get_source_file_property(CMKR_INCLUDE_GUARD ${CMAKE_CURRENT_LIST_FILE} CMKR_INCLUDE_GUARD)
if(NOT CMKR_INCLUDE_GUARD)
set_source_files_properties(${CMAKE_CURRENT_LIST_FILE} PROPERTIES CMKR_INCLUDE_GUARD TRUE)
# Generate CMakeLists.txt
cmkr_exec(${CMKR_EXECUTABLE} gen -y
WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
OUTPUT_VARIABLE CMKR_GEN_OUTPUT
)
string(STRIP ${CMKR_GEN_OUTPUT} CMKR_GEN_OUTPUT)
message(STATUS "[cmkr] ${CMKR_GEN_OUTPUT}")
# Copy the now-generated CMakeLists.txt to CMakerLists.txt
# This is done because you cannot include() a file you are currently in
set(CMKR_TEMP_FILE ${CMAKE_CURRENT_LIST_DIR}/CMakerLists.txt)
configure_file(CMakeLists.txt ${CMKR_TEMP_FILE} COPYONLY)
# Add the macro required for the hack at the start of the cmkr macro
set_source_files_properties(${CMKR_TEMP_FILE} PROPERTIES
CMKR_CURRENT_LIST_FILE ${CMAKE_CURRENT_LIST_FILE}
)
# 'Execute' the newly-generated CMakeLists.txt
include(${CMKR_TEMP_FILE})
# Delete the generated file
file(REMOVE ${CMKR_TEMP_FILE})
# Do not execute the rest of the original CMakeLists.txt
return()
endif()
endmacro()
# This is just a hack, use the file contents in the root of the repository for your projects
include(../cmkr.cmake)

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