1# Copyright (c) 2015-2016 The Khronos Group Inc.
2#
3# Permission is hereby granted, free of charge, to any person obtaining a
4# copy of this software and/or associated documentation files (the
5# "Materials"), to deal in the Materials without restriction, including
6# without limitation the rights to use, copy, modify, merge, publish,
7# distribute, sublicense, and/or sell copies of the Materials, and to
8# permit persons to whom the Materials are furnished to do so, subject to
9# the following conditions:
10#
11# The above copyright notice and this permission notice shall be included
12# in all copies or substantial portions of the Materials.
13#
14# MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS
15# KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS
16# SPECIFICATIONS AND HEADER INFORMATION ARE LOCATED AT
17#    https://www.khronos.org/registry/
18#
19# THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
22# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
23# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25# MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
26
27#
28# The SPIR-V headers from the SPIR-V Registry
29# https://www.khronos.org/registry/spir-v/
30#
31cmake_minimum_required(VERSION 3.0)
32project(SPIRV-Headers VERSION 1.5.1)
33
34# There are two ways to use this project.
35#
36# Using this source tree directly from a CMake-based project:
37#   1. Add an add_subdirectory directive to include this sub directory.
38#   2. Use ${SPIRV-Headers_SOURCE_DIR}/include} in a target_include_directories
39#      command.
40#
41# Installing the headers first, then using them with an implicit include
42# directory.  To install the headers:
43#   1. mkdir build ; cd build
44#   2. cmake ..
45#   3. cmake --build . --target install
46
47# legacy
48add_custom_target(install-headers
49    COMMAND cmake -E copy_directory ${CMAKE_CURRENT_SOURCE_DIR}/include/spirv
50        $ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/include/spirv)
51
52option(SPIRV_HEADERS_SKIP_EXAMPLES "Skip building examples"
53      ${SPIRV_HEADERS_SKIP_EXAMPLES})
54
55option(SPIRV_HEADERS_SKIP_INSTALL "Skip install"
56      ${SPIRV_HEADERS_SKIP_INSTALL})
57
58if(NOT ${SPIRV_HEADERS_SKIP_EXAMPLES})
59  set(SPIRV_HEADERS_ENABLE_EXAMPLES ON)
60endif()
61
62if(NOT ${SPIRV_HEADERS_SKIP_INSTALL})
63  set(SPIRV_HEADERS_ENABLE_INSTALL ON)
64endif()
65
66if (SPIRV_HEADERS_ENABLE_EXAMPLES)
67  message(STATUS "Building SPIRV-Header examples")
68  add_subdirectory(example)
69endif()
70
71include(GNUInstallDirs)
72add_library(${PROJECT_NAME} INTERFACE)
73target_include_directories(${PROJECT_NAME} INTERFACE
74    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
75)
76
77# Installation
78
79if (SPIRV_HEADERS_ENABLE_INSTALL)
80    message(STATUS "Installing SPIRV-Header")
81
82    set(config_install_dir "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}")
83
84    set(generated_dir "${CMAKE_CURRENT_BINARY_DIR}/generated")
85
86    set(version_config "${generated_dir}/${PROJECT_NAME}ConfigVersion.cmake")
87    set(project_config "${generated_dir}/${PROJECT_NAME}Config.cmake")
88    set(TARGETS_EXPORT_NAME "${PROJECT_NAME}Targets")
89    set(namespace "${PROJECT_NAME}::")
90
91    include(CMakePackageConfigHelpers)
92    write_basic_package_version_file(
93        "${version_config}"
94        COMPATIBILITY SameMajorVersion
95    )
96
97    configure_package_config_file(
98        "cmake/Config.cmake.in"
99        "${project_config}"
100        INSTALL_DESTINATION "${config_install_dir}"
101    )
102
103    install(
104        TARGETS ${PROJECT_NAME}
105        EXPORT "${TARGETS_EXPORT_NAME}"
106        LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
107        ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
108        RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
109        INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
110    )
111
112    install(
113        DIRECTORY include/spirv
114        DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
115    )
116
117    install(
118        FILES "${project_config}" "${version_config}"
119        DESTINATION "${config_install_dir}"
120    )
121
122    install(
123        EXPORT "${TARGETS_EXPORT_NAME}"
124        NAMESPACE "${namespace}"
125        DESTINATION "${config_install_dir}"
126    )
127endif()
128