94 lines
4.4 KiB
CMake
94 lines
4.4 KiB
CMake
# Copyright (C) 2020 The Khronos Group Inc.
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#
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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#
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# Neither the name of The Khronos Group Inc. nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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if(ENABLE_GLSLANG_JS)
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add_executable(glslang.js "glslang.js.cpp")
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glslang_set_link_args(glslang.js)
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target_link_libraries(glslang.js glslang)
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# Link library names that start with "-" are treated as link flags.
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# "-Os" should be OK in MSVC; don't use /Os because CMake won't
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# treat it as a link flag.
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target_link_libraries(glslang.js "-Os")
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if(EMSCRIPTEN)
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set_target_properties(glslang.js PROPERTIES
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OUTPUT_NAME "glslang"
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SUFFIX ".js")
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em_link_pre_js(glslang.js "${CMAKE_CURRENT_SOURCE_DIR}/glslang.pre.js")
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target_link_libraries(glslang.js "--llvm-lto 1")
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target_link_libraries(glslang.js "--closure 1")
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target_link_libraries(glslang.js "-s MODULARIZE=1")
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target_link_libraries(glslang.js "-s ALLOW_MEMORY_GROWTH=1")
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target_link_libraries(glslang.js "-s FILESYSTEM=0")
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# We use ccall in glslang.pre.js, so make sure it's exposed
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target_link_libraries(glslang.js "-s EXPORTED_RUNTIME_METHODS=ccall")
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if(ENABLE_EMSCRIPTEN_SINGLE_FILE)
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target_link_libraries(glslang.js "-s SINGLE_FILE=1")
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endif()
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if(ENABLE_EMSCRIPTEN_ENVIRONMENT_NODE)
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target_link_libraries(glslang.js "-s ENVIRONMENT=node -s BINARYEN_ASYNC_COMPILATION=0")
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else()
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target_link_libraries(glslang.js "-s ENVIRONMENT=web,worker")
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endif()
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if(NOT ENABLE_EMSCRIPTEN_ENVIRONMENT_NODE)
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if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.18")
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add_custom_command(TARGET glslang.js POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E cat ${CMAKE_CURRENT_SOURCE_DIR}/glslang.after.js >> ${CMAKE_CURRENT_BINARY_DIR}/glslang.js
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)
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else()
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if (MINGW)
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message(FATAL_ERROR "Must use at least CMake 3.18")
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endif()
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if (CMAKE_HOST_SYSTEM MATCHES "Windows.*")
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# There are several ways we could append one file to another on Windows, but unfortunately 'cat' is not one of them
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# (there is no 'cat' command in cmd). Also, since this will ultimately run in cmd and not pwsh, we need to ensure
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# Windows path separators are used.
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file(TO_NATIVE_PATH "${CMAKE_CURRENT_BINARY_DIR}/glslang.js" glslang_js_path)
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file(TO_NATIVE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/glslang.after.js" glslang_after_js_path)
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add_custom_command(TARGET glslang.js POST_BUILD
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COMMAND type "${glslang_after_js_path}" >> "${glslang_js_path}")
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else()
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add_custom_command(TARGET glslang.js POST_BUILD
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COMMAND cat ${CMAKE_CURRENT_SOURCE_DIR}/glslang.after.js >> ${CMAKE_CURRENT_BINARY_DIR}/glslang.js)
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endif()
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endif()
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endif()
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endif()
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endif() |