Build: Fix linux

[platform/upstream/glslang.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 33b4764..1d98c9f 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,50 +1,78 @@
-cmake_minimum_required(VERSION 2.8.11)
+# increase to 3.1 once all major distributions
+# include a version of CMake >= 3.1
+cmake_minimum_required(VERSION 2.8.12)
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 
+# Adhere to GNU filesystem layout conventions
+include(GNUInstallDirs)
+
 option(ENABLE_AMD_EXTENSIONS "Enables support of AMD-specific extensions" ON)
+option(ENABLE_GLSLANG_BINARIES "Builds glslangValidator and spirv-remap" ON)
+
+option(ENABLE_NV_EXTENSIONS "Enables support of Nvidia-specific extensions" ON)
 
-enable_testing()
+option(ENABLE_HLSL "Enables HLSL input support" ON)
 
-set(CMAKE_INSTALL_PREFIX "install" CACHE STRING "prefix")
+if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT AND WIN32)
+    set(CMAKE_INSTALL_PREFIX "install" CACHE STRING "..." FORCE)
+endif()
 
 project(glslang)
+# make testing optional
+include(CTest)
 
 if(ENABLE_AMD_EXTENSIONS)
     add_definitions(-DAMD_EXTENSIONS)
 endif(ENABLE_AMD_EXTENSIONS)
 
+if(ENABLE_NV_EXTENSIONS)
+    add_definitions(-DNV_EXTENSIONS)
+endif(ENABLE_NV_EXTENSIONS)
+
+if(ENABLE_HLSL)
+    add_definitions(-DENABLE_HLSL)
+endif(ENABLE_HLSL)
+
 if(WIN32)
     set(CMAKE_DEBUG_POSTFIX "d")
-    include(ChooseMSVCCRT.cmake)
+    if(MSVC)
+        include(ChooseMSVCCRT.cmake)
+    endif(MSVC)
     add_definitions(-DGLSLANG_OSINCLUDE_WIN32)
 elseif(UNIX)
-    add_definitions(-fPIC)
     add_definitions(-DGLSLANG_OSINCLUDE_UNIX)
 else(WIN32)
     message("unknown platform")
 endif(WIN32)
 
-if(CMAKE_COMPILER_IS_GNUCXX)
-    add_definitions(-Wall -Wmaybe-uninitialized -Wuninitialized -Wunused -Wunused-local-typedefs
-      -Wunused-parameter -Wunused-value  -Wunused-variable -Wunused-but-set-parameter -Wunused-but-set-variable)
-    add_definitions(-Wno-reorder)  # disable this from -Wall, since it happens all over.
-    add_definitions(-std=c++11)
+if(${CMAKE_CXX_COMPILER_ID} MATCHES "GNU")
+    add_compile_options(-Wall -Wmaybe-uninitialized -Wuninitialized -Wunused -Wunused-local-typedefs
+                        -Wunused-parameter -Wunused-value  -Wunused-variable -Wunused-but-set-parameter -Wunused-but-set-variable)
+    add_compile_options(-Wno-reorder)  # disable this from -Wall, since it happens all over.
 elseif(${CMAKE_CXX_COMPILER_ID} MATCHES "Clang")
-    add_definitions(-Wall -Wuninitialized -Wunused -Wunused-local-typedefs
-      -Wunused-parameter -Wunused-value  -Wunused-variable)
-    add_definitions(-Wno-reorder)  # disable this from -Wall, since it happens all over.
-    add_definitions(-std=c++11)
+    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.
+endif()
+
+# 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
+    add_compile_options(-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)
-       if(${CMAKE_CXX_COMPILER_ID} MATCHES "GNU")
-           set_target_properties(${TARGET} PROPERTIES
-                   LINK_FLAGS "-static -static-libgcc -static-libstdc++")
-        endif()
-    endif(WIN32)
+    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)
 
 # We depend on these for later projects, so they should come first.
@@ -52,7 +80,11 @@ add_subdirectory(External)
 
 add_subdirectory(glslang)
 add_subdirectory(OGLCompilersDLL)
-add_subdirectory(StandAlone)
+if(ENABLE_GLSLANG_BINARIES)
+    add_subdirectory(StandAlone)
+endif()
 add_subdirectory(SPIRV)
-add_subdirectory(hlsl)
+if(ENABLE_HLSL)
+    add_subdirectory(hlsl)
+endif(ENABLE_HLSL)
 add_subdirectory(gtests)