Revert "Modernise CMake"

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

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0e5b8b3..32395c0 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,11 +1,6 @@
-# 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 2.8.11)
 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)
 
@@ -13,10 +8,11 @@ option(ENABLE_NV_EXTENSIONS "Enables support of Nvidia-specific extensions" ON)
 
 option(ENABLE_HLSL "Enables HLSL input support" ON)
 
-project(glslang)
+enable_testing()
+
+set(CMAKE_INSTALL_PREFIX "install" CACHE STRING "prefix")
 
-# make testing optional
-include(CTest)
+project(glslang)
 
 if(ENABLE_AMD_EXTENSIONS)
     add_definitions(-DAMD_EXTENSIONS)
@@ -37,39 +33,33 @@ if(WIN32)
     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(${CMAKE_CXX_COMPILER_ID} MATCHES "GNU")
-    add_compile_options(-Wall -Wmaybe-uninitialized -Wuninitialized -Wunused -Wunused-local-typedefs
-                        -Wunused-parameter -Wunused-value  -Wunused-variable -Wunused-but-set-parameter -Wunused-but-set-variable)
-    add_compile_options(-Wno-reorder)  # disable this from -Wall, since it happens all over.
+if(CMAKE_COMPILER_IS_GNUCXX)
+    add_definitions(-Wall -Wmaybe-uninitialized -Wuninitialized -Wunused -Wunused-local-typedefs
+      -Wunused-parameter -Wunused-value  -Wunused-variable -Wunused-but-set-parameter -Wunused-but-set-variable)
+    add_definitions(-Wno-reorder)  # disable this from -Wall, since it happens all over.
+    add_definitions(-std=c++11)
 elseif(${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.
-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)
+    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)
 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()
+    if(WIN32)
+       if(${CMAKE_CXX_COMPILER_ID} MATCHES "GNU")
+           set_target_properties(${TARGET} PROPERTIES
+                   LINK_FLAGS "-static -static-libgcc -static-libstdc++")
+        endif()
+    endif(WIN32)
 endfunction(glslang_set_link_args)
 
 # We depend on these for later projects, so they should come first.
@@ -78,7 +68,7 @@ add_subdirectory(External)
 add_subdirectory(glslang)
 add_subdirectory(OGLCompilersDLL)
 if(ENABLE_GLSLANG_BINARIES)
-    add_subdirectory(StandAlone)
+       add_subdirectory(StandAlone)
 endif()
 add_subdirectory(SPIRV)
 if(ENABLE_HLSL)