6e2b852182
Apparently cmake 3.10 doesn't like custom `test` targets even when not using CTest in the project /cc @leodemoura
84 lines
2.8 KiB
CMake
84 lines
2.8 KiB
CMake
cmake_minimum_required(VERSION 3.11)
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# store all variables passed on the command line into CL_ARGS so we can pass them to the stage builds
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# https://stackoverflow.com/a/48555098/161659
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# MUST be done before call to 'project'
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get_cmake_property(vars CACHE_VARIABLES)
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foreach(var ${vars})
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get_property(currentHelpString CACHE "${var}" PROPERTY HELPSTRING)
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if("${currentHelpString}" MATCHES "No help, variable specified on the command line." OR "${currentHelpString}" STREQUAL "")
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list(APPEND CL_ARGS "-D${var}=${${var}}")
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endif()
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endforeach()
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include(ExternalProject)
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project(LEAN CXX C)
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# use the same library sources everywhere; this only important for stage 0 since the compiler source for it come from stage0/src
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list(APPEND CL_ARGS "-DLIB_SOURCE_DIR=${LEAN_SOURCE_DIR}/src")
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ExternalProject_add(stage0
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SOURCE_DIR "${LEAN_SOURCE_DIR}/stage0"
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SOURCE_SUBDIR src
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BINARY_DIR stage0
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# do not rebuild stage0 when git hash changes; it's not from this commit anyway
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CMAKE_ARGS -DSTAGE=0 ${CL_ARGS} -DUSE_GITHASH=OFF
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BUILD_ALWAYS ON # cmake doesn't auto-detect changes without a download method
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INSTALL_COMMAND "" # skip install
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)
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ExternalProject_add(stage0.5
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SOURCE_DIR "${LEAN_SOURCE_DIR}"
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SOURCE_SUBDIR src
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BINARY_DIR stage0.5
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CMAKE_ARGS -DSTAGE=0.5 -DPREV_STAGE=${CMAKE_BINARY_DIR}/stage0 ${CL_ARGS}
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BUILD_ALWAYS ON
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INSTALL_COMMAND ""
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DEPENDS stage0
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)
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ExternalProject_add(stage1
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SOURCE_DIR "${LEAN_SOURCE_DIR}"
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SOURCE_SUBDIR src
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BINARY_DIR stage1
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# reuse libleancpp.a, which doesn't change
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CMAKE_ARGS -DSTAGE=1 -DPREV_STAGE=${CMAKE_BINARY_DIR}/stage0 -DLEANCPP="${CMAKE_BINARY_DIR}/stage0.5/lib/lean/libleancpp.a" ${CL_ARGS}
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BUILD_ALWAYS ON
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INSTALL_COMMAND ""
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DEPENDS stage0 stage0.5
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EXCLUDE_FROM_ALL ON
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)
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ExternalProject_add(stage2
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SOURCE_DIR "${LEAN_SOURCE_DIR}"
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SOURCE_SUBDIR src
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BINARY_DIR stage2
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CMAKE_ARGS -DSTAGE=2 -DPREV_STAGE=${CMAKE_BINARY_DIR}/stage1 -DLEANCPP="${CMAKE_BINARY_DIR}/stage0.5/lib/lean/libleancpp.a" ${CL_ARGS}
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BUILD_ALWAYS ON
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INSTALL_COMMAND ""
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DEPENDS stage1
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EXCLUDE_FROM_ALL ON
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)
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ExternalProject_add(stage3
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SOURCE_DIR "${LEAN_SOURCE_DIR}"
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SOURCE_SUBDIR src
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BINARY_DIR stage3
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CMAKE_ARGS -DSTAGE=3 -DPREV_STAGE=${CMAKE_BINARY_DIR}/stage2 -DLEANCPP="${CMAKE_BINARY_DIR}/stage0.5/lib/lean/libleancpp.a" ${CL_ARGS}
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# skip building library - if `lean` is the same as in stage2, the library will be as well
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BUILD_COMMAND $(MAKE) lean
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BUILD_ALWAYS ON
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INSTALL_COMMAND ""
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DEPENDS stage2
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EXCLUDE_FROM_ALL ON
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)
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# targets forwarded to appropriate stages
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add_custom_target(update-stage0
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COMMAND $(MAKE) -C stage0 update-stage0
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DEPENDS stage0)
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add_custom_target(test
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COMMAND $(MAKE) -C stage0.5 test
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DEPENDS stage0.5)
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install(CODE "execute_process(COMMAND make -C stage0.5 install)")
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add_custom_target(check-stage3
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COMMAND diff "stage2/bin/lean" "stage3/bin/lean"
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DEPENDS stage3)
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