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https://github.com/Kitware/CMake.git
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a308ea38f3
Since commit 96d9b94a98 (Emscripten: Add platform modules, 2025-05-16,
v4.2.0-rc1~607^2~3) we've considered the `.wasm` to be the `try_compile`
output because we need `COPY_FILE` to get it for extracting `INFO:`
strings during our inspection checks. This breaks `try_run` because
`node`, used via `CMAKE_CROSSCOMPILING_EMULATOR`, expects the `.js`.
Revert to considering the `.js` to be the primary output file, but
switch to the `.wasm` in `COPY_FILE`'s implementation.
Fixes: #27421
99 lines
2.8 KiB
CMake
99 lines
2.8 KiB
CMake
include(RunCMake)
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# Locate Emscripten toolchain
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if(RunCMake_GENERATOR MATCHES "Makefile|Ninja")
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file(GLOB _emscripten_toolchains
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"${CMake_TEST_Emscripten_TOOLCHAINS}/emcc" )
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if(_emscripten_toolchains STREQUAL "")
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message(FATAL_ERROR "Could not find any Emscripten toolchains at: ${CMake_TEST_Emscripten_TOOLCHAINS}.")
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endif()
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endif()
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function(run_toolchain case)
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set(RunCMake_TEST_BINARY_DIR ${RunCMake_BINARY_DIR}/${case}-build)
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run_cmake_with_options(${case} ${ARGN})
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set(RunCMake_TEST_NO_CLEAN 1)
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set(RunCMake_TEST_OUTPUT_MERGE 1)
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run_cmake_command(${case}-build ${CMAKE_COMMAND} --build .)
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endfunction()
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macro(run_cmake_target test subtest target)
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set(RunCMake_TEST_BINARY_DIR ${RunCMake_BINARY_DIR}/${test}-build)
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set(RunCMake_TEST_NO_CLEAN 1)
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set(RunCMake_TEST_OUTPUT_MERGE 1)
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run_cmake_command(${test}-${subtest}-build ${CMAKE_COMMAND} --build . --target ${target} --config Release --verbose ${ARGN})
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unset(RunCMake_TEST_BINARY_DIR)
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unset(RunCMake_TEST_NO_CLEAN)
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endmacro()
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foreach(_emscripten_toolchain IN LISTS _emscripten_toolchains)
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message(STATUS "Found Emscripten toolchain: ${_emscripten_toolchain}")
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cmake_path(GET _emscripten_toolchain PARENT_PATH BIN_DIR)
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if (WIN32)
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set(EMCC_SUFFIX ".bat")
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else()
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set(EMCC_SUFFIX "")
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endif()
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set(c_comp ${BIN_DIR}/emcc${EMCC_SUFFIX})
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set(cxx_comp ${BIN_DIR}/em++${EMCC_SUFFIX})
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set(comp_ar ${BIN_DIR}/emar${EMCC_SUFFIX})
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# Compiler inspection.
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run_cmake_with_options(C-enable
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-DCMAKE_SYSTEM_NAME=Emscripten
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-DCMAKE_C_COMPILER=${c_comp}
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)
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# Create an executable from .c sources only.
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run_toolchain(C-exe
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-DCMAKE_SYSTEM_NAME=Emscripten
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-DCMAKE_C_COMPILER=${c_comp}
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)
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# Create an executable from .c and .cxx sources.
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run_toolchain(CXX-exe
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-DCMAKE_SYSTEM_NAME=Emscripten
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-DCMAKE_C_COMPILER=${c_comp}
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-DCMAKE_CXX_COMPILER=${cxx_comp}
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)
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# Create a static library and executable from .c sources.
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run_toolchain(C-lib-static
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-DCMAKE_SYSTEM_NAME=Emscripten
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-DCMAKE_C_COMPILER=${c_comp}
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)
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# Create a shared library and executable from .c sources.
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run_toolchain(C-lib-shared
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-DCMAKE_SYSTEM_NAME=Emscripten
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-DCMAKE_C_COMPILER=${c_comp}
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)
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run_toolchain(C-lib-circular
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-DCMAKE_SYSTEM_NAME=Emscripten
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-DCMAKE_C_COMPILER=${c_comp}
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)
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run_cmake_with_options(C-WHOLE_ARCHIVE
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-DCMAKE_SYSTEM_NAME=Emscripten
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-DCMAKE_C_COMPILER=${c_comp}
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)
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run_cmake_target(C-WHOLE_ARCHIVE link-exe main)
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run_cmake_target(C-WHOLE_ARCHIVE circular-exe main_circular)
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run_cmake_with_options(C-CheckTypeSize
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-DCMAKE_SYSTEM_NAME=Emscripten
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-DCMAKE_C_COMPILER=${c_comp}
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)
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if(CMake_TEST_Emscripten_NODE)
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run_cmake_with_options(C-try_run
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-DCMAKE_SYSTEM_NAME=Emscripten
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-DCMAKE_CROSSCOMPILING_EMULATOR=${CMake_TEST_Emscripten_NODE}
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-DCMAKE_C_COMPILER=${c_comp}
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)
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endif()
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endforeach()
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