1 # increase to 3.1 once all major distributions
2 # include a version of CMake >= 3.1
3 cmake_minimum_required(VERSION 2.8.12)
5 cmake_policy(SET CMP0048 NEW)
7 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
9 # Enable compile commands database
10 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
12 # Adhere to GNU filesystem layout conventions
13 include(GNUInstallDirs)
15 # Needed for CMAKE_DEPENDENT_OPTION macro
16 include(CMakeDependentOption)
18 option(BUILD_SHARED_LIBS "Build Shared Libraries" OFF)
19 option(BUILD_EXTERNAL "Build external dependencies in /External" ON)
27 option(SKIP_GLSLANG_INSTALL "Skip installation" ${SKIP_GLSLANG_INSTALL})
28 if(NOT ${SKIP_GLSLANG_INSTALL})
29 set(ENABLE_GLSLANG_INSTALL ON)
31 option(ENABLE_SPVREMAPPER "Enables building of SPVRemapper" ON)
33 option(ENABLE_GLSLANG_BINARIES "Builds glslangValidator and spirv-remap" ON)
35 option(ENABLE_GLSLANG_JS
36 "If using Emscripten, build glslang.js. Otherwise, builds a sample executable for binary-size testing." OFF)
37 CMAKE_DEPENDENT_OPTION(ENABLE_GLSLANG_WEBMIN
38 "Reduces glslang to minimum needed for web use"
39 OFF "ENABLE_GLSLANG_JS"
41 CMAKE_DEPENDENT_OPTION(ENABLE_GLSLANG_WEBMIN_DEVEL
42 "For ENABLE_GLSLANG_WEBMIN builds, enables compilation error messages"
43 OFF "ENABLE_GLSLANG_WEBMIN"
45 CMAKE_DEPENDENT_OPTION(ENABLE_EMSCRIPTEN_SINGLE_FILE
46 "If using Emscripten, enables SINGLE_FILE build"
47 OFF "ENABLE_GLSLANG_JS AND EMSCRIPTEN"
49 CMAKE_DEPENDENT_OPTION(ENABLE_EMSCRIPTEN_ENVIRONMENT_NODE
50 "If using Emscripten, builds to run on Node instead of Web"
51 OFF "ENABLE_GLSLANG_JS AND EMSCRIPTEN"
54 CMAKE_DEPENDENT_OPTION(ENABLE_HLSL
55 "Enables HLSL input support"
56 ON "NOT ENABLE_GLSLANG_WEBMIN"
59 option(ENABLE_RTTI "Enables RTTI" OFF)
60 option(ENABLE_EXCEPTIONS "Enables Exceptions" OFF)
61 option(ENABLE_OPT "Enables spirv-opt capability if present" ON)
62 option(ENABLE_PCH "Enables Precompiled header" ON)
63 option(ENABLE_CTEST "Enables testing" ON)
65 if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT AND WIN32)
66 set(CMAKE_INSTALL_PREFIX "install" CACHE STRING "..." FORCE)
69 option(USE_CCACHE "Use ccache" OFF)
71 find_program(CCACHE_FOUND ccache)
73 set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
77 # Precompiled header macro. Parameters are source file list and filename for pch cpp file.
78 macro(glslang_pch SRCS PCHCPP)
79 if(MSVC AND CMAKE_GENERATOR MATCHES "^Visual Studio" AND NOT ${CMAKE_CXX_COMPILER_ID} MATCHES "Clang" AND ENABLE_PCH)
80 set(PCH_NAME "$(IntDir)\\pch.pch")
81 # make source files use/depend on PCH_NAME
82 set_source_files_properties(${${SRCS}} PROPERTIES COMPILE_FLAGS "/Yupch.h /FIpch.h /Fp${PCH_NAME} /Zm300" OBJECT_DEPENDS "${PCH_NAME}")
83 # make PCHCPP file compile and generate PCH_NAME
84 set_source_files_properties(${PCHCPP} PROPERTIES COMPILE_FLAGS "/Ycpch.h /Fp${PCH_NAME} /Zm300" OBJECT_OUTPUTS "${PCH_NAME}")
85 list(APPEND ${SRCS} "${PCHCPP}")
96 add_definitions(-DENABLE_HLSL)
99 if(ENABLE_GLSLANG_WEBMIN)
100 add_definitions(-DGLSLANG_WEB)
101 if(ENABLE_GLSLANG_WEBMIN_DEVEL)
102 add_definitions(-DGLSLANG_WEB_DEVEL)
103 endif(ENABLE_GLSLANG_WEBMIN_DEVEL)
104 endif(ENABLE_GLSLANG_WEBMIN)
107 set(CMAKE_DEBUG_POSTFIX "d")
109 include(ChooseMSVCCRT.cmake)
111 add_definitions(-DGLSLANG_OSINCLUDE_WIN32)
113 add_definitions(-DGLSLANG_OSINCLUDE_UNIX)
115 message("unknown platform")
118 if(${CMAKE_CXX_COMPILER_ID} MATCHES "GNU")
119 add_compile_options(-Wall -Wmaybe-uninitialized -Wuninitialized -Wunused -Wunused-local-typedefs
120 -Wunused-parameter -Wunused-value -Wunused-variable -Wunused-but-set-parameter -Wunused-but-set-variable -fno-exceptions)
121 add_compile_options(-Wno-reorder) # disable this from -Wall, since it happens all over.
122 if(BUILD_SHARED_LIBS)
123 add_compile_options(-fPIC)
126 add_compile_options(-fno-rtti)
128 if(NOT ENABLE_EXCEPTIONS)
129 add_compile_options(-fno-exceptions)
131 if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "9.0.0")
132 add_compile_options(-Werror=deprecated-copy)
135 # Error if there's symbols that are not found at link time.
136 add_link_options("-Wl,--no-undefined")
137 elseif(${CMAKE_CXX_COMPILER_ID} MATCHES "Clang" AND NOT MSVC)
138 add_compile_options(-Wall -Wuninitialized -Wunused -Wunused-local-typedefs
139 -Wunused-parameter -Wunused-value -Wunused-variable)
140 add_compile_options(-Wno-reorder) # disable this from -Wall, since it happens all over.
141 if(BUILD_SHARED_LIBS)
142 add_compile_options(-fPIC)
145 add_compile_options(-fno-rtti)
147 if(NOT ENABLE_EXCEPTIONS)
148 add_compile_options(-fno-exceptions)
151 # Error if there's symbols that are not found at link time.
152 add_link_options("-Wl,-undefined,error")
155 string(FIND "${CMAKE_CXX_FLAGS}" "/GR" MSVC_HAS_GR)
157 string(REGEX REPLACE /GR /GR- CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
159 add_compile_options(/GR-) # Disable RTTI
162 if(ENABLE_EXCEPTIONS)
163 add_compile_options(/EHsc) # Enable Exceptions
167 if(ENABLE_GLSLANG_JS)
169 add_compile_options(/Os /GR-)
171 add_compile_options(-Os -fno-rtti -fno-exceptions)
172 if(${CMAKE_CXX_COMPILER_ID} MATCHES "Clang" AND NOT MSVC)
173 add_compile_options(-Wno-unused-parameter)
174 add_compile_options(-Wno-unused-variable -Wno-unused-const-variable)
177 endif(ENABLE_GLSLANG_JS)
180 if(${CMAKE_VERSION} VERSION_LESS 3.1)
181 # CMake versions before 3.1 do not understand CMAKE_CXX_STANDARD
182 # remove this block once CMake >=3.1 has fixated in the ecosystem
183 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
185 set(CMAKE_CXX_STANDARD 11)
186 set(CMAKE_CXX_STANDARD_REQUIRED ON)
187 set(CMAKE_CXX_EXTENSIONS OFF)
190 function(glslang_set_link_args TARGET)
191 # For MinGW compiles, statically link against the GCC and C++ runtimes.
192 # This avoids the need to ship those runtimes as DLLs.
193 if(WIN32 AND ${CMAKE_CXX_COMPILER_ID} MATCHES "GNU")
194 set_target_properties(${TARGET} PROPERTIES
195 LINK_FLAGS "-static -static-libgcc -static-libstdc++")
197 endfunction(glslang_set_link_args)
199 # CMake needs to find the right version of python, right from the beginning,
200 # otherwise, it will find the wrong version and fail later
201 if(BUILD_EXTERNAL AND IS_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/External)
202 find_package(PythonInterp 3 REQUIRED)
204 # We depend on these for later projects, so they should come first.
205 add_subdirectory(External)
208 if(NOT TARGET SPIRV-Tools-opt)
213 message(STATUS "optimizer enabled")
214 add_definitions(-DENABLE_OPT=1)
217 message(STATUS "spirv-tools not linked - illegal SPIRV may be generated for HLSL")
219 add_definitions(-DENABLE_OPT=0)
222 add_subdirectory(glslang)
223 add_subdirectory(OGLCompilersDLL)
224 if(ENABLE_GLSLANG_BINARIES)
225 add_subdirectory(StandAlone)
227 add_subdirectory(SPIRV)
229 add_subdirectory(hlsl)
232 add_subdirectory(gtests)
235 if(ENABLE_CTEST AND BUILD_TESTING)
236 # glslang-testsuite runs a bash script on Windows.
237 # Make sure to use '-o igncr' flag to ignore carriage returns (\r).
238 set(IGNORE_CR_FLAG "")
240 set(IGNORE_CR_FLAG -o igncr)
243 if (CMAKE_CONFIGURATION_TYPES)
244 set(RESULTS_PATH ${CMAKE_CURRENT_BINARY_DIR}/$<CONFIGURATION>/localResults)
245 set(VALIDATOR_PATH ${CMAKE_CURRENT_BINARY_DIR}/StandAlone/$<CONFIGURATION>/glslangValidator)
246 set(REMAP_PATH ${CMAKE_CURRENT_BINARY_DIR}/StandAlone/$<CONFIGURATION>/spirv-remap)
247 else(CMAKE_CONFIGURATION_TYPES)
248 set(RESULTS_PATH ${CMAKE_CURRENT_BINARY_DIR}/localResults)
249 set(VALIDATOR_PATH ${CMAKE_CURRENT_BINARY_DIR}/StandAlone/glslangValidator)
250 set(REMAP_PATH ${CMAKE_CURRENT_BINARY_DIR}/StandAlone/spirv-remap)
251 endif(CMAKE_CONFIGURATION_TYPES)
253 add_test(NAME glslang-testsuite
254 COMMAND bash ${IGNORE_CR_FLAG} runtests ${RESULTS_PATH} ${VALIDATOR_PATH} ${REMAP_PATH}
255 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/Test/)