Merge pull request #3061 from ShabbyX/remove-angle-build-flag
[platform/upstream/glslang.git] / CMakeLists.txt
index c76454d..b581c84 100644 (file)
 
 # increase to 3.1 once all major distributions
 # include a version of CMake >= 3.1
-cmake_minimum_required(VERSION 2.8.12)
+cmake_minimum_required(VERSION 3.14.0)
 if (POLICY CMP0048)
   cmake_policy(SET CMP0048 NEW)
 endif()
+if(POLICY CMP0054)
+  cmake_policy(SET CMP0054 NEW)
+endif()
 
 project(glslang LANGUAGES CXX)
 
@@ -47,6 +50,7 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
 # Adhere to GNU filesystem layout conventions
 include(GNUInstallDirs)
+include(CMakePackageConfigHelpers)
 
 # Needed for CMAKE_DEPENDENT_OPTION macro
 include(CMakeDependentOption)
@@ -103,10 +107,17 @@ CMAKE_DEPENDENT_OPTION(ENABLE_HLSL
 option(ENABLE_RTTI "Enables RTTI" OFF)
 option(ENABLE_EXCEPTIONS "Enables Exceptions" OFF)
 option(ENABLE_OPT "Enables spirv-opt capability if present" ON)
-option(ENABLE_PCH "Enables Precompiled header" ON)
+
+if(MINGW OR (CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND ${CMAKE_CXX_COMPILER_ID} MATCHES "GNU"))
+    # Workaround for CMake behavior on Mac OS with gcc, cmake generates -Xarch_* arguments
+    # which gcc rejects
+    option(ENABLE_PCH "Enables Precompiled header" OFF)
+else()
+    option(ENABLE_PCH "Enables Precompiled header" ON)
+endif()
 option(ENABLE_CTEST "Enables testing" ON)
 
-if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT AND WIN32)
+if(ENABLE_GLSLANG_INSTALL AND CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT AND WIN32)
     set(CMAKE_INSTALL_PREFIX "install" CACHE STRING "..." FORCE)
 endif()
 
@@ -115,7 +126,7 @@ if(USE_CCACHE)
     find_program(CCACHE_FOUND ccache)
     if(CCACHE_FOUND)
         set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
-    endif(CCACHE_FOUND)
+    endif()
 endif()
 
 if(ENABLE_CTEST)
@@ -124,26 +135,27 @@ endif()
 
 if(ENABLE_HLSL)
     add_definitions(-DENABLE_HLSL)
-endif(ENABLE_HLSL)
+endif()
 
 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)
+    endif()
+endif()
 
 if(WIN32)
     set(CMAKE_DEBUG_POSTFIX "d")
-    if(MSVC)
+    option(OVERRIDE_MSVCCRT "Overrides runtime of MSVC " ON)
+    if(MSVC AND OVERRIDE_MSVCCRT)
         include(ChooseMSVCCRT.cmake)
-    endif(MSVC)
+    endif()
     add_definitions(-DGLSLANG_OSINCLUDE_WIN32)
 elseif(UNIX)
     add_definitions(-DGLSLANG_OSINCLUDE_UNIX)
-else(WIN32)
+else()
     message("unknown platform")
-endif(WIN32)
+endif()
 
 if(${CMAKE_CXX_COMPILER_ID} MATCHES "GNU")
     add_compile_options(-Wall -Wmaybe-uninitialized -Wuninitialized -Wunused -Wunused-local-typedefs
@@ -159,7 +171,7 @@ if(${CMAKE_CXX_COMPILER_ID} MATCHES "GNU")
         add_compile_options(-Werror=deprecated-copy)
     endif()
 
-    if(NOT CMAKE_VERSION VERSION_LESS "3.13")
+    if(NOT CMAKE_VERSION VERSION_LESS "3.13" AND NOT CMAKE_SYSTEM_NAME STREQUAL "Darwin")
         # Error if there's symbols that are not found at link time.
         # add_link_options() was added in CMake 3.13 - if using an earlier
         # version don't set this - it should be caught by presubmits anyway.
@@ -180,7 +192,11 @@ elseif(${CMAKE_CXX_COMPILER_ID} MATCHES "Clang" AND NOT MSVC)
         # Error if there's symbols that are not found at link time.
         # add_link_options() was added in CMake 3.13 - if using an earlier
         # version don't set this - it should be caught by presubmits anyway.
-        add_link_options("-Wl,-undefined,error")
+        if (WIN32)
+            add_link_options("-Wl,--no-undefined")
+        else()
+            add_link_options("-Wl,-undefined,error")
+        endif()
     endif()
 elseif(MSVC)
     if(NOT ENABLE_RTTI)
@@ -194,8 +210,8 @@ elseif(MSVC)
     if(ENABLE_EXCEPTIONS)
         add_compile_options(/EHsc) # Enable Exceptions
        else()
-        string(REGEX REPLACE /EHsc "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS}) # Try to remove default /EHsc cxx_flag
-        add_compile_definitions(_HAS_EXCEPTIONS=0)
+        string(REGEX REPLACE "/EHsc" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") # Try to remove default /EHsc cxx_flag
+        add_compile_options(/D_HAS_EXCEPTIONS=0)
     endif()
 endif()
 
@@ -209,7 +225,7 @@ if(ENABLE_GLSLANG_JS)
             add_compile_options(-Wno-unused-variable -Wno-unused-const-variable)
         endif()
     endif()
-endif(ENABLE_GLSLANG_JS)
+endif()
 
 # Request C++11
 if(${CMAKE_VERSION} VERSION_LESS 3.1)
@@ -297,7 +313,7 @@ else()
 endif()
 
 if(BUILD_EXTERNAL AND IS_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/External)
-    find_package(PythonInterp 3 REQUIRED)
+    find_host_package(PythonInterp 3 REQUIRED)
 
     # We depend on these for later projects, so they should come first.
     add_subdirectory(External)
@@ -325,7 +341,7 @@ endif()
 add_subdirectory(SPIRV)
 if(ENABLE_HLSL)
     add_subdirectory(hlsl)
-endif(ENABLE_HLSL)
+endif()
 if(ENABLE_CTEST)
     add_subdirectory(gtests)
 endif()
@@ -342,13 +358,48 @@ if(ENABLE_CTEST AND BUILD_TESTING)
         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)
+    else()
         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)
+    endif()
 
     add_test(NAME glslang-testsuite
         COMMAND bash ${IGNORE_CR_FLAG} runtests ${RESULTS_PATH} ${VALIDATOR_PATH} ${REMAP_PATH}
         WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/Test/)
 endif()
+
+if(ENABLE_GLSLANG_INSTALL)
+    file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/glslang-config.cmake.in" [=[
+        @PACKAGE_INIT@
+        include("@PACKAGE_PATH_EXPORT_TARGETS@")
+    ]=])
+    
+    set(PATH_EXPORT_TARGETS "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}/glslang-targets.cmake")
+    configure_package_config_file(
+        "${CMAKE_CURRENT_BINARY_DIR}/glslang-config.cmake.in"
+        "${CMAKE_CURRENT_BINARY_DIR}/glslang-config.cmake"
+        PATH_VARS
+            PATH_EXPORT_TARGETS
+        INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}
+    )
+    
+    write_basic_package_version_file("${CMAKE_CURRENT_BINARY_DIR}/glslang-config-version.cmake"
+        VERSION ${GLSLANG_VERSION}
+        COMPATIBILITY SameMajorVersion
+    )
+    
+    install(
+        EXPORT      glslang-targets
+        NAMESPACE   "glslang::"
+        DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
+    )
+    
+    install(
+        FILES
+            "${CMAKE_CURRENT_BINARY_DIR}/glslang-config.cmake"
+            "${CMAKE_CURRENT_BINARY_DIR}/glslang-config-version.cmake"
+        DESTINATION
+            "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
+    )
+endif()
\ No newline at end of file