CMakeLists.txt

   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)
   4 if (POLICY CMP0048)
   5   cmake_policy(SET CMP0048 NEW)
   6 endif()
   7 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
   8
   9 # Adhere to GNU filesystem layout conventions
  10 include(GNUInstallDirs)
  11
  12 option(BUILD_SHARED_LIBS "Build Shared Libraries" OFF)
  13
  14 set(LIB_TYPE STATIC)
  15
  16 if(BUILD_SHARED_LIBS)
  17     set(LIB_TYPE SHARED)
  18 endif()
  19
  20 option(SKIP_GLSLANG_INSTALL "Skip installation" ${SKIP_GLSLANG_INSTALL})
  21 if(NOT ${SKIP_GLSLANG_INSTALL})
  22   set(ENABLE_GLSLANG_INSTALL ON)
  23 endif()
  24 option(ENABLE_SPVREMAPPER "Enables building of SPVRemapper" ON)
  25
  26 option(ENABLE_AMD_EXTENSIONS "Enables support of AMD-specific extensions" ON)
  27 option(ENABLE_GLSLANG_BINARIES "Builds glslangValidator and spirv-remap" ON)
  28
  29 option(ENABLE_NV_EXTENSIONS "Enables support of Nvidia-specific extensions" ON)
  30
  31 option(ENABLE_HLSL "Enables HLSL input support" ON)
  32
  33 option(ENABLE_OPT "Enables spirv-opt capability if present" ON)
  34
  35 if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT AND WIN32)
  36     set(CMAKE_INSTALL_PREFIX "install" CACHE STRING "..." FORCE)
  37 endif()
  38
  39 option(USE_CCACHE "Use ccache" OFF)
  40 if(USE_CCACHE)
  41     find_program(CCACHE_FOUND ccache)
  42     if(CCACHE_FOUND)
  43         set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
  44     endif(CCACHE_FOUND)
  45 endif()
  46
  47 project(glslang)
  48 # make testing optional
  49 include(CTest)
  50
  51 if(ENABLE_AMD_EXTENSIONS)
  52     add_definitions(-DAMD_EXTENSIONS)
  53 endif(ENABLE_AMD_EXTENSIONS)
  54
  55 if(ENABLE_NV_EXTENSIONS)
  56     add_definitions(-DNV_EXTENSIONS)
  57 endif(ENABLE_NV_EXTENSIONS)
  58
  59 if(ENABLE_HLSL)
  60     add_definitions(-DENABLE_HLSL)
  61 endif(ENABLE_HLSL)
  62
  63 if(WIN32)
  64     set(CMAKE_DEBUG_POSTFIX "d" CACHE STRING "Adds a postfix for debug-built libraries.")
  65     if(MSVC)
  66         include(ChooseMSVCCRT.cmake)
  67     endif(MSVC)
  68     add_definitions(-DGLSLANG_OSINCLUDE_WIN32)
  69 elseif(UNIX)
  70     add_definitions(-DGLSLANG_OSINCLUDE_UNIX)
  71 else(WIN32)
  72     message("unknown platform")
  73 endif(WIN32)
  74
  75 if(${CMAKE_CXX_COMPILER_ID} MATCHES "GNU")
  76     add_compile_options(-Wall -Wmaybe-uninitialized -Wuninitialized -Wunused -Wunused-local-typedefs
  77                         -Wunused-parameter -Wunused-value  -Wunused-variable -Wunused-but-set-parameter -Wunused-but-set-variable -fno-exceptions)
  78     add_compile_options(-Wno-reorder)  # disable this from -Wall, since it happens all over.
  79 elseif(${CMAKE_CXX_COMPILER_ID} MATCHES "Clang")
  80     add_compile_options(-Wall -Wuninitialized -Wunused -Wunused-local-typedefs
  81                         -Wunused-parameter -Wunused-value  -Wunused-variable)
  82     add_compile_options(-Wno-reorder)  # disable this from -Wall, since it happens all over.
  83 endif()
  84
  85 # Request C++11
  86 if(${CMAKE_VERSION} VERSION_LESS 3.1)
  87     # CMake versions before 3.1 do not understand CMAKE_CXX_STANDARD
  88     # remove this block once CMake >=3.1 has fixated in the ecosystem
  89     add_compile_options(-std=c++11)
  90 else()
  91     set(CMAKE_CXX_STANDARD 11)
  92     set(CMAKE_CXX_STANDARD_REQUIRED ON)
  93     set(CMAKE_CXX_EXTENSIONS OFF)
  94 endif()
  95
  96 function(glslang_set_link_args TARGET)
  97     # For MinGW compiles, statically link against the GCC and C++ runtimes.
  98     # This avoids the need to ship those runtimes as DLLs.
  99     if(WIN32 AND ${CMAKE_CXX_COMPILER_ID} MATCHES "GNU")
 100         set_target_properties(${TARGET} PROPERTIES
 101                               LINK_FLAGS "-static -static-libgcc -static-libstdc++")
 102     endif()
 103 endfunction(glslang_set_link_args)
 104
 105 # We depend on these for later projects, so they should come first.
 106 add_subdirectory(External)
 107
 108 if(NOT TARGET SPIRV-Tools-opt)
 109     set(ENABLE_OPT OFF)
 110 endif()
 111
 112 if(ENABLE_OPT)
 113     message(STATUS "optimizer enabled")
 114     add_definitions(-DENABLE_OPT=1)
 115 else()
 116     if(ENABLE_HLSL)
 117         message(STATUS "spirv-tools not linked - illegal SPIRV may be generated for HLSL")
 118     endif()
 119     add_definitions(-DENABLE_OPT=0)
 120 endif()
 121
 122 add_subdirectory(glslang)
 123 add_subdirectory(OGLCompilersDLL)
 124 if(ENABLE_GLSLANG_BINARIES)
 125     add_subdirectory(StandAlone)
 126 endif()
 127 add_subdirectory(SPIRV)
 128 if(ENABLE_HLSL)
 129     add_subdirectory(hlsl)
 130 endif(ENABLE_HLSL)
 131 add_subdirectory(gtests)