mirror of
https://github.com/KhronosGroup/glslang
synced 2024-09-19 20:29:54 +00:00
b4a6efcda2
Expose GLSLANG__TESTS and GLSLANG_ENABLE_INSTALL as options that can be controlled from an enclosing project, or from the command line. They retain the prior default behaviour. In particular, if Glslang is not the top level project, then they default to OFF. Fixes: #3507
113 lines
4.4 KiB
CMake
113 lines
4.4 KiB
CMake
# Copyright (C) 2020-2023 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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find_package(Python3 REQUIRED)
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set(GLSLANG_INTRINSIC_H "${GLSLANG_GENERATED_INCLUDEDIR}/glslang/glsl_intrinsic_header.h")
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set(GLSLANG_INTRINSIC_PY "${CMAKE_CURRENT_SOURCE_DIR}/../gen_extension_headers.py")
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set(GLSLANG_INTRINSIC_HEADER_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../glslang/ExtensionHeaders")
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add_custom_command(
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OUTPUT ${GLSLANG_INTRINSIC_H}
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COMMAND Python3::Interpreter "${GLSLANG_INTRINSIC_PY}"
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"-i" ${GLSLANG_INTRINSIC_HEADER_DIR}
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"-o" ${GLSLANG_INTRINSIC_H}
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DEPENDS ${GLSLANG_INTRINSIC_PY}
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COMMENT "Generating ${GLSLANG_INTRINSIC_H}")
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set(SOURCES StandAlone.cpp DirStackFileIncluder.h ${GLSLANG_INTRINSIC_H})
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add_executable(glslang-standalone ${SOURCES})
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if(${CMAKE_CXX_COMPILER_ID} MATCHES "GNU")
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target_compile_options(glslang-standalone PRIVATE -Wconversion)
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elseif(${CMAKE_CXX_COMPILER_ID} MATCHES "Clang" AND NOT MSVC)
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target_compile_options(glslang-standalone PRIVATE -Wshorten-64-to-32)
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endif()
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set_property(TARGET glslang-standalone PROPERTY FOLDER tools)
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set_property(TARGET glslang-standalone PROPERTY OUTPUT_NAME glslang)
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glslang_set_link_args(glslang-standalone)
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set(LIBRARIES
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glslang
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OSDependent
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SPIRV
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glslang-default-resource-limits)
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if(WIN32)
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set(LIBRARIES ${LIBRARIES} psapi)
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elseif(UNIX)
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if(NOT ANDROID AND NOT QNX)
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set(LIBRARIES ${LIBRARIES} pthread)
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endif()
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endif()
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target_link_libraries(glslang-standalone ${LIBRARIES})
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target_include_directories(glslang-standalone PUBLIC
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$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/../External>)
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if(ENABLE_SPVREMAPPER)
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set(REMAPPER_SOURCES spirv-remap.cpp)
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add_executable(spirv-remap ${REMAPPER_SOURCES})
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set_property(TARGET spirv-remap PROPERTY FOLDER tools)
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glslang_set_link_args(spirv-remap)
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target_link_libraries(spirv-remap SPVRemapper ${LIBRARIES})
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endif()
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if(WIN32)
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source_group("Source" FILES ${SOURCES})
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endif()
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# Create a symbolic link to glslang named glslangValidator for backwards compatibility
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set(legacy_glslang_name "glslangValidator${CMAKE_EXECUTABLE_SUFFIX}")
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set(link_method create_symlink)
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if (WIN32 OR MINGW)
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set(link_method copy_if_different)
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endif()
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add_custom_command(TARGET glslang-standalone
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POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E ${link_method} $<TARGET_FILE_NAME:glslang-standalone> ${legacy_glslang_name}
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WORKING_DIRECTORY $<TARGET_FILE_DIR:glslang-standalone>)
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if(GLSLANG_ENABLE_INSTALL)
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install(TARGETS glslang-standalone EXPORT glslang-targets)
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# Create the same symlink at install time
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install(CODE "execute_process( \
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COMMAND ${CMAKE_COMMAND} -E ${link_method} $<TARGET_FILE_NAME:glslang-standalone> ${legacy_glslang_name} \
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WORKING_DIRECTORY \$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_BINDIR})")
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if(ENABLE_SPVREMAPPER)
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install(TARGETS spirv-remap EXPORT glslang-targets)
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endif()
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endif(GLSLANG_ENABLE_INSTALL)
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