blob: b4b0fac493e89e92e687828b02432e537c30e769 [file] [log] [blame]
# increase to 3.1 once all major distributions
# include a version of CMake >= 3.1
cmake_minimum_required(VERSION 2.8.12)
if (POLICY CMP0048)
cmake_policy(SET CMP0048 NEW)
endif()
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
# Enable compile commands database
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
# Adhere to GNU filesystem layout conventions
include(GNUInstallDirs)
# Needed for CMAKE_DEPENDENT_OPTION macro
include(CMakeDependentOption)
option(BUILD_SHARED_LIBS "Build Shared Libraries" OFF)
option(BUILD_EXTERNAL "Build external dependencies in /External" ON)
set(LIB_TYPE STATIC)
if(BUILD_SHARED_LIBS)
set(LIB_TYPE SHARED)
endif()
option(SKIP_GLSLANG_INSTALL "Skip installation" ${SKIP_GLSLANG_INSTALL})
if(NOT ${SKIP_GLSLANG_INSTALL})
set(ENABLE_GLSLANG_INSTALL ON)
endif()
option(ENABLE_SPVREMAPPER "Enables building of SPVRemapper" ON)
option(ENABLE_GLSLANG_BINARIES "Builds glslangValidator and spirv-remap" ON)
option(ENABLE_GLSLANG_JS
"If using Emscripten, build glslang.js. Otherwise, builds a sample executable for binary-size testing." OFF)
CMAKE_DEPENDENT_OPTION(ENABLE_GLSLANG_WEBMIN
"Reduces glslang to minimum needed for web use"
OFF "ENABLE_GLSLANG_JS"
OFF)
CMAKE_DEPENDENT_OPTION(ENABLE_GLSLANG_WEBMIN_DEVEL
"For ENABLE_GLSLANG_WEBMIN builds, enables compilation error messages"
OFF "ENABLE_GLSLANG_WEBMIN"
OFF)
CMAKE_DEPENDENT_OPTION(ENABLE_EMSCRIPTEN_SINGLE_FILE
"If using Emscripten, enables SINGLE_FILE build"
OFF "ENABLE_GLSLANG_JS AND EMSCRIPTEN"
OFF)
CMAKE_DEPENDENT_OPTION(ENABLE_EMSCRIPTEN_ENVIRONMENT_NODE
"If using Emscripten, builds to run on Node instead of Web"
OFF "ENABLE_GLSLANG_JS AND EMSCRIPTEN"
OFF)
CMAKE_DEPENDENT_OPTION(ENABLE_HLSL
"Enables HLSL input support"
ON "NOT ENABLE_GLSLANG_WEBMIN"
OFF)
option(ENABLE_RTTI "Enables RTTI" OFF)
option(ENABLE_OPT "Enables spirv-opt capability if present" ON)
option(ENABLE_PCH "Enables Precompiled header" ON)
option(ENABLE_CTEST "Enables testing" ON)
if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT AND WIN32)
set(CMAKE_INSTALL_PREFIX "install" CACHE STRING "..." FORCE)
endif()
option(USE_CCACHE "Use ccache" OFF)
if(USE_CCACHE)
find_program(CCACHE_FOUND ccache)
if(CCACHE_FOUND)
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
endif(CCACHE_FOUND)
endif()
# Precompiled header macro. Parameters are source file list and filename for pch cpp file.
macro(glslang_pch SRCS PCHCPP)
if(MSVC AND CMAKE_GENERATOR MATCHES "^Visual Studio" AND ENABLE_PCH)
set(PCH_NAME "$(IntDir)\\pch.pch")
# make source files use/depend on PCH_NAME
set_source_files_properties(${${SRCS}} PROPERTIES COMPILE_FLAGS "/Yupch.h /FIpch.h /Fp${PCH_NAME} /Zm300" OBJECT_DEPENDS "${PCH_NAME}")
# make PCHCPP file compile and generate PCH_NAME
set_source_files_properties(${PCHCPP} PROPERTIES COMPILE_FLAGS "/Ycpch.h /Fp${PCH_NAME} /Zm300" OBJECT_OUTPUTS "${PCH_NAME}")
list(APPEND ${SRCS} "${PCHCPP}")
endif()
endmacro(glslang_pch)
project(glslang)
if(ENABLE_CTEST)
include(CTest)
endif()
if(ENABLE_HLSL)
add_definitions(-DENABLE_HLSL)
endif(ENABLE_HLSL)
if(ENABLE_GLSLANG_WEBMIN)
add_definitions(-DGLSLANG_WEB)
if(ENABLE_GLSLANG_WEBMIN_DEVEL)
add_definitions(-DGLSLANG_WEB_DEVEL)
endif(ENABLE_GLSLANG_WEBMIN_DEVEL)
endif(ENABLE_GLSLANG_WEBMIN)
if(WIN32)
set(CMAKE_DEBUG_POSTFIX "d")
if(MSVC)
include(ChooseMSVCCRT.cmake)
endif(MSVC)
add_definitions(-DGLSLANG_OSINCLUDE_WIN32)
elseif(UNIX)
add_definitions(-DGLSLANG_OSINCLUDE_UNIX)
else(WIN32)
message("unknown platform")
endif(WIN32)
if(${CMAKE_CXX_COMPILER_ID} MATCHES "GNU")
add_compile_options(-Wall -Wmaybe-uninitialized -Wuninitialized -Wunused -Wunused-local-typedefs
-Wunused-parameter -Wunused-value -Wunused-variable -Wunused-but-set-parameter -Wunused-but-set-variable -fno-exceptions)
add_compile_options(-Wno-reorder) # disable this from -Wall, since it happens all over.
if(NOT ENABLE_RTTI)
add_compile_options(-fno-rtti)
endif()
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "9.0.0")
add_compile_options(-Werror=deprecated-copy)
endif()
elseif(${CMAKE_CXX_COMPILER_ID} MATCHES "Clang")
add_compile_options(-Wall -Wuninitialized -Wunused -Wunused-local-typedefs
-Wunused-parameter -Wunused-value -Wunused-variable)
add_compile_options(-Wno-reorder) # disable this from -Wall, since it happens all over.
if(NOT ENABLE_RTTI)
add_compile_options(-fno-rtti)
endif()
elseif(${CMAKE_CXX_COMPILER_ID} MATCHES "MSVC")
if(NOT ENABLE_RTTI)
add_compile_options(/GR-) # Disable RTTI
endif()
endif()
if(ENABLE_GLSLANG_JS)
if(MSVC)
add_compile_options(/Os /GR-)
else()
add_compile_options(-Os -fno-exceptions)
if(${CMAKE_CXX_COMPILER_ID} MATCHES "Clang")
add_compile_options(-Wno-unused-parameter)
add_compile_options(-Wno-unused-variable -Wno-unused-const-variable)
endif()
endif()
endif(ENABLE_GLSLANG_JS)
# Request C++11
if(${CMAKE_VERSION} VERSION_LESS 3.1)
# CMake versions before 3.1 do not understand CMAKE_CXX_STANDARD
# remove this block once CMake >=3.1 has fixated in the ecosystem
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
else()
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
endif()
function(glslang_set_link_args TARGET)
# For MinGW compiles, statically link against the GCC and C++ runtimes.
# This avoids the need to ship those runtimes as DLLs.
if(WIN32 AND ${CMAKE_CXX_COMPILER_ID} MATCHES "GNU")
set_target_properties(${TARGET} PROPERTIES
LINK_FLAGS "-static -static-libgcc -static-libstdc++")
endif()
endfunction(glslang_set_link_args)
# CMake needs to find the right version of python, right from the beginning,
# otherwise, it will find the wrong version and fail later
if(BUILD_EXTERNAL AND IS_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/External)
find_package(PythonInterp 3 REQUIRED)
# We depend on these for later projects, so they should come first.
add_subdirectory(External)
endif()
if(NOT TARGET SPIRV-Tools-opt)
set(ENABLE_OPT OFF)
endif()
if(ENABLE_OPT)
message(STATUS "optimizer enabled")
add_definitions(-DENABLE_OPT=1)
else()
if(ENABLE_HLSL)
message(STATUS "spirv-tools not linked - illegal SPIRV may be generated for HLSL")
endif()
add_definitions(-DENABLE_OPT=0)
endif()
add_subdirectory(glslang)
add_subdirectory(OGLCompilersDLL)
if(ENABLE_GLSLANG_BINARIES)
add_subdirectory(StandAlone)
endif()
add_subdirectory(SPIRV)
if(ENABLE_HLSL)
add_subdirectory(hlsl)
endif(ENABLE_HLSL)
if(ENABLE_CTEST)
add_subdirectory(gtests)
endif()
if(BUILD_TESTING)
# glslang-testsuite runs a bash script on Windows.
# Make sure to use '-o igncr' flag to ignore carriage returns (\r).
set(IGNORE_CR_FLAG "")
if(WIN32)
set(IGNORE_CR_FLAG -o igncr)
endif()
if (CMAKE_CONFIGURATION_TYPES)
set(RESULTS_PATH ${CMAKE_CURRENT_BINARY_DIR}/$<CONFIGURATION>/localResults)
set(VALIDATOR_PATH ${CMAKE_CURRENT_BINARY_DIR}/StandAlone/$<CONFIGURATION>/glslangValidator)
set(REMAP_PATH ${CMAKE_CURRENT_BINARY_DIR}/StandAlone/$<CONFIGURATION>/spirv-remap)
else(CMAKE_CONFIGURATION_TYPES)
set(RESULTS_PATH ${CMAKE_CURRENT_BINARY_DIR}/localResults)
set(VALIDATOR_PATH ${CMAKE_CURRENT_BINARY_DIR}/StandAlone/glslangValidator)
set(REMAP_PATH ${CMAKE_CURRENT_BINARY_DIR}/StandAlone/spirv-remap)
endif(CMAKE_CONFIGURATION_TYPES)
add_test(NAME glslang-testsuite
COMMAND bash ${IGNORE_CR_FLAG} runtests ${RESULTS_PATH} ${VALIDATOR_PATH} ${REMAP_PATH}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/Test/)
endif(BUILD_TESTING)