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Move more compiler workarounds to library setup
These are details of the glfw CMake target and belong in the creation of that target.
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@ -66,17 +66,6 @@ endif()
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# Set compiler specific flags
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#--------------------------------------------------------------------
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if (MSVC)
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if (MSVC90)
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# Workaround for VS 2008 not shipping with the DirectX 9 SDK
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include(CheckIncludeFile)
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check_include_file(dinput.h DINPUT_H_FOUND)
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if (NOT DINPUT_H_FOUND)
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message(FATAL_ERROR "DirectX 9 headers not found; install DirectX 9 SDK")
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endif()
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# Workaround for VS 2008 not shipping with stdint.h
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list(APPEND glfw_INCLUDE_DIRS "${GLFW_SOURCE_DIR}/deps/vs2008")
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endif()
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if (NOT USE_MSVC_RUNTIME_LIBRARY_DLL)
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foreach (flag CMAKE_C_FLAGS
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CMAKE_C_FLAGS_DEBUG
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@ -95,44 +84,6 @@ if (MSVC)
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endif()
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endif()
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if (MINGW)
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# Workaround for legacy MinGW not providing XInput and DirectInput
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include(CheckIncludeFile)
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check_include_file(dinput.h DINPUT_H_FOUND)
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check_include_file(xinput.h XINPUT_H_FOUND)
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if (NOT DINPUT_H_FOUND OR NOT XINPUT_H_FOUND)
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list(APPEND glfw_INCLUDE_DIRS "${GLFW_SOURCE_DIR}/deps/mingw")
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endif()
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# Enable link-time exploit mitigation features enabled by default on MSVC
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include(CheckCCompilerFlag)
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# Compatibility with data execution prevention (DEP)
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set(CMAKE_REQUIRED_FLAGS "-Wl,--nxcompat")
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check_c_compiler_flag("" _GLFW_HAS_DEP)
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if (_GLFW_HAS_DEP)
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set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--nxcompat ${CMAKE_SHARED_LINKER_FLAGS}")
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endif()
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# Compatibility with address space layout randomization (ASLR)
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set(CMAKE_REQUIRED_FLAGS "-Wl,--dynamicbase")
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check_c_compiler_flag("" _GLFW_HAS_ASLR)
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if (_GLFW_HAS_ASLR)
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set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--dynamicbase ${CMAKE_SHARED_LINKER_FLAGS}")
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endif()
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# Compatibility with 64-bit address space layout randomization (ASLR)
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set(CMAKE_REQUIRED_FLAGS "-Wl,--high-entropy-va")
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check_c_compiler_flag("" _GLFW_HAS_64ASLR)
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if (_GLFW_HAS_64ASLR)
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set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--high-entropy-va ${CMAKE_SHARED_LINKER_FLAGS}")
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endif()
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# Clear flags again to avoid breaking later tests
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set(CMAKE_REQUIRED_FLAGS)
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endif()
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#--------------------------------------------------------------------
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# Detect and select backend APIs
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#--------------------------------------------------------------------
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@ -136,6 +136,28 @@ if (MINGW)
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target_compile_definitions(glfw PRIVATE UNICODE WINVER=0x0501)
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endif()
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# Workaround for legacy MinGW not providing XInput and DirectInput
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if (MINGW)
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include(CheckIncludeFile)
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check_include_file(dinput.h DINPUT_H_FOUND)
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check_include_file(xinput.h XINPUT_H_FOUND)
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if (NOT DINPUT_H_FOUND OR NOT XINPUT_H_FOUND)
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target_include_directories(glfw PRIVATE "${GLFW_SOURCE_DIR}/deps/mingw")
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endif()
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endif()
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if (MSVC90)
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# Workaround for VS 2008 not shipping with the DirectX 9 SDK
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include(CheckIncludeFile)
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check_include_file(dinput.h DINPUT_H_FOUND)
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if (NOT DINPUT_H_FOUND)
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message(FATAL_ERROR "DirectX 9 headers not found; install DirectX 9 SDK")
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endif()
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# Workaround for VS 2008 not shipping with stdint.h
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target_include_directories(glfw PRIVATE "${GLFW_SOURCE_DIR}/deps/vs2008")
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endif()
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if (BUILD_SHARED_LIBS)
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if (WIN32)
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if (MINGW)
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@ -159,6 +181,35 @@ if (BUILD_SHARED_LIBS)
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INSTALL_NAME_DIR "${CMAKE_INSTALL_LIBDIR}")
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endif()
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if (MINGW)
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# Enable link-time exploit mitigation features enabled by default on MSVC
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include(CheckCCompilerFlag)
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# Compatibility with data execution prevention (DEP)
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set(CMAKE_REQUIRED_FLAGS "-Wl,--nxcompat")
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check_c_compiler_flag("" _GLFW_HAS_DEP)
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if (_GLFW_HAS_DEP)
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target_link_libraries(glfw PRIVATE "-Wl,--nxcompat")
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endif()
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# Compatibility with address space layout randomization (ASLR)
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set(CMAKE_REQUIRED_FLAGS "-Wl,--dynamicbase")
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check_c_compiler_flag("" _GLFW_HAS_ASLR)
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if (_GLFW_HAS_ASLR)
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target_link_libraries(glfw PRIVATE "-Wl,--dynamicbase")
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endif()
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# Compatibility with 64-bit address space layout randomization (ASLR)
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set(CMAKE_REQUIRED_FLAGS "-Wl,--high-entropy-va")
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check_c_compiler_flag("" _GLFW_HAS_64ASLR)
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if (_GLFW_HAS_64ASLR)
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target_link_libraries(glfw PRIVATE "-Wl,--high-entropy-va")
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endif()
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# Clear flags again to avoid breaking later tests
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set(CMAKE_REQUIRED_FLAGS)
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endif()
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if (UNIX)
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# Hide symbols not explicitly tagged for export from the shared library
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target_compile_options(glfw PRIVATE "-fvisibility=hidden")
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