3b4b2cc89d
On Windows, we now compile all core `.o`s twice, once with and without `dllexport`, for use in the shipped dynamic and static libraries, respectively. On other platforms, we export always as before to avoid the duplicate work. --------- Co-authored-by: tydeu <tydeu@hatpress.net>
41 lines
2.5 KiB
CMake
41 lines
2.5 KiB
CMake
set(RUNTIME_OBJS debug.cpp thread.cpp mpz.cpp utf8.cpp
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object.cpp apply.cpp exception.cpp interrupt.cpp memory.cpp
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stackinfo.cpp compact.cpp init_module.cpp load_dynlib.cpp io.cpp hash.cpp
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platform.cpp alloc.cpp allocprof.cpp sharecommon.cpp stack_overflow.cpp
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process.cpp object_ref.cpp mpn.cpp mutex.cpp)
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add_library(leanrt_initial-exec STATIC ${RUNTIME_OBJS})
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set_target_properties(leanrt_initial-exec PROPERTIES
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ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
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# The above library, like all other C++ code, is built using `-ftls-model=initial-exec`, which is necessary for linking it into `leanshared`,
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# but introduces a measurable overhead while accessing the thread-local variable `g_heap` when allocating and deallocating. Therefore we compile
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# the runtime again with the more restrictive `local-exec` and use it when linking Lean code statically, i.e. not against `leanshared`.
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add_library(leanrt STATIC ${RUNTIME_OBJS})
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set_target_properties(leanrt PROPERTIES
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ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY})
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if (NOT MSVC)
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target_compile_options(leanrt PRIVATE -ftls-model=local-exec)
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endif()
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# We do not export Lean symbols when statically linking on Windows.
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if(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
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target_compile_options(leanrt PRIVATE -ULEAN_EXPORTING)
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endif()
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if(LLVM)
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if (NOT (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
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message(FATAL_ERROR "building 'lean.h.bc', need CMAKE_CXX_COMPILER_ID to match Clang to build LLVM bitcode file of Lean runtime.")
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endif()
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FILE(READ "${CMAKE_CURRENT_SOURCE_DIR}/../include/lean/lean.h" LEAN_H)
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# generate LLVM IR for `static inline` definitions in lean.h for the LLVM backend
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string(REPLACE "static inline" "__attribute__((always_inline))" LEAN_H "${LEAN_H}")
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# drop '#pragma once' in .c file to avoid warning
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string(REPLACE "#pragma once" "" LEAN_H "${LEAN_H}")
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file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/lean_inlines.c" "${LEAN_H}")
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message("Generating LLVM bitcode file for Lean runtime at '${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/lean.h.bc'")
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add_custom_command(
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OUTPUT ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}/lean.h.bc
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DEPENDS ${RUNTIME_OBJS} ${CMAKE_CURRENT_BINARY_DIR}/lean_inlines.c
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COMMAND bash -ec "${CMAKE_BINARY_DIR}/leanc.sh ${LEANC_OPTS} -I$<JOIN:$<TARGET_PROPERTY:leanrt_initial-exec,INCLUDE_DIRECTORIES>, -I> -c ${CMAKE_CURRENT_BINARY_DIR}/lean_inlines.c -emit-llvm -o ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}/lean.h.bc"
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VERBATIM)
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add_custom_target(runtime_bc DEPENDS ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}/lean.h.bc)
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endif()
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