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1# Copyright (C) 2020 The Khronos Group Inc.
2#
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions
7# are met:
8#
9#    Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11#
12#    Redistributions in binary form must reproduce the above
13#    copyright notice, this list of conditions and the following
14#    disclaimer in the documentation and/or other materials provided
15#    with the distribution.
16#
17#    Neither the name of The Khronos Group Inc. nor the names of its
18#    contributors may be used to endorse or promote products derived
19#    from this software without specific prior written permission.
20#
21# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25# COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
27# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
29# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
31# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32# POSSIBILITY OF SUCH DAMAGE.
33
34set(SOURCES ossource.cpp ../osinclude.h)
35
36add_library(OSDependent STATIC ${SOURCES})
37set_property(TARGET OSDependent PROPERTY FOLDER glslang)
38set_property(TARGET OSDependent PROPERTY POSITION_INDEPENDENT_CODE ON)
39
40# MinGW GCC complains about function pointer casts to void*.
41# Turn that off with -fpermissive.
42if(${CMAKE_CXX_COMPILER_ID} MATCHES "GNU")
43    target_compile_options(OSDependent PRIVATE -fpermissive)
44endif()
45
46if(WIN32)
47    source_group("Source" FILES ${SOURCES})
48endif()
49
50if(ENABLE_GLSLANG_INSTALL)
51    install(TARGETS OSDependent EXPORT glslang-targets)
52
53    # Backward compatibility
54    file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/OSDependentTargets.cmake" "
55        message(WARNING \"Using `OSDependentTargets.cmake` is deprecated: use `find_package(glslang)` to find glslang CMake targets.\")
56
57        if (NOT TARGET glslang::OSDependent)
58            include(\"\${CMAKE_CURRENT_LIST_DIR}/../../${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}/glslang-targets.cmake\")
59        endif()
60
61        add_library(OSDependent ALIAS glslang::OSDependent)
62    ")
63    install(FILES "${CMAKE_CURRENT_BINARY_DIR}/OSDependentTargets.cmake" DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake)
64endif()
65