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Fixing compilation errors for VS2019 Clang toolset (fixes #4702)

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hgs3 2021-11-17 17:04:34 -06:00 committed by Ozkan Sezer
parent 5be8a22113
commit 6b66542e7b
3 changed files with 25 additions and 15 deletions
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16
.github/workflows/main.yml vendored
View file

@ -15,13 +15,15 @@ jobs:
fail-fast: false
matrix:
platform:
- { name: Windows (x64), os: windows-latest, shell: pwsh, flags: -A x64 }
- { name: Windows (x86), os: windows-latest, shell: pwsh, flags: -A Win32 }
- { name: Windows (ARM64), os: windows-latest, shell: pwsh, flags: -A ARM64 }
- { name: Windows (mingw32), os: windows-latest, shell: 'msys2 {0}', msystem: mingw32, msys-env: mingw-w64-i686 }
- { name: Windows (mingw64), os: windows-latest, shell: 'msys2 {0}', msystem: mingw64, msys-env: mingw-w64-x86_64 }
- { name: Linux, os: ubuntu-20.04, shell: sh, flags: -GNinja }
- { name: MacOS, os: macos-latest, shell: sh }
- { name: Windows (x64), os: windows-latest, shell: pwsh, flags: -A x64 }
- { name: Windows (x86), os: windows-latest, shell: pwsh, flags: -A Win32 }
- { name: Windows (clang-cl x64), os: windows-latest, shell: pwsh, flags: -T ClangCL -A x64 }
- { name: Windows (clang-cl x86), os: windows-latest, shell: pwsh, flags: -T ClangCL -A Win32 }
- { name: Windows (ARM64), os: windows-latest, shell: pwsh, flags: -A ARM64 }
- { name: Windows (mingw32), os: windows-latest, shell: 'msys2 {0}', msystem: mingw32, msys-env: mingw-w64-i686 }
- { name: Windows (mingw64), os: windows-latest, shell: 'msys2 {0}', msystem: mingw64, msys-env: mingw-w64-x86_64 }
- { name: Linux, os: ubuntu-20.04, shell: sh, flags: -GNinja }
- { name: MacOS, os: macos-latest, shell: sh }
steps:
- name: Set up MSYS2

16
CMakeLists.txt
View file

@ -199,6 +199,11 @@ endif()
if(CMAKE_C_COMPILER_ID MATCHES "Clang")
set(USE_CLANG TRUE)
set(OPT_DEF_ASM TRUE)
# Visual Studio 2019 v16.2 added support for Clang/LLVM.
# Check if a Visual Studio project is being generated with the Clang toolset.
if(MSVC)
set(MSVC_CLANG TRUE)
endif()
elseif(CMAKE_COMPILER_IS_GNUCC)
set(USE_GCC TRUE)
set(OPT_DEF_ASM TRUE)
@ -214,7 +219,7 @@ if(USE_GCC OR USE_CLANG)
endif()
# Default option knobs
if(APPLE OR ARCH_64)
if(APPLE OR ARCH_64 OR MSVC_CLANG)
if(NOT "${CMAKE_OSX_ARCHITECTURES}" MATCHES "arm")
set(OPT_DEF_SSEMATH ON)
endif()
@ -288,7 +293,8 @@ endif()
target_compile_definitions(sdl-build-options INTERFACE "-DUSING_GENERATED_CONFIG_H")
target_include_directories(sdl-build-options BEFORE INTERFACE "${SDL2_BINARY_DIR}/include")
target_include_directories(sdl-build-options INTERFACE "${SDL2_SOURCE_DIR}/include")
if(USE_GCC OR USE_CLANG)
# Note: The clang toolset for Visual Studio does not support the '-idirafter' option.
if(USE_GCC OR (USE_CLANG AND NOT MSVC_CLANG))
# !!! FIXME: do we _need_ to mess with CMAKE_C_FLAGS here?
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -idirafter \"${SDL2_SOURCE_DIR}/src/video/khronos\"")
else()
@ -2667,7 +2673,8 @@ if(SDL_SHARED)
SOVERSION ${LT_REVISION}
OUTPUT_NAME "SDL2")
endif()
if(MSVC AND NOT SDL_LIBC)
# Note: The clang toolset for Visual Studio does not support /NODEFAULTLIB.
if(MSVC AND NOT SDL_LIBC AND NOT MSVC_CLANG)
# Don't try to link with the default set of libraries.
if(NOT WINDOWS_STORE)
set_target_properties(SDL2 PROPERTIES LINK_FLAGS_RELEASE "/NODEFAULTLIB")
@ -2699,7 +2706,8 @@ if(SDL_STATIC)
# clobbered, when the suffix is realized via subsequent rename.
endif()
set_target_properties(SDL2-static PROPERTIES POSITION_INDEPENDENT_CODE ${SDL_STATIC_PIC})
if(MSVC AND NOT SDL_LIBC)
# Note: The clang toolset for Visual Studio does not support /NODEFAULTLIB.
if(MSVC AND NOT SDL_LIBC AND NOT MSVC_CLANG)
set_target_properties(SDL2-static PROPERTIES LINK_FLAGS_RELEASE "/NODEFAULTLIB")
set_target_properties(SDL2-static PROPERTIES LINK_FLAGS_DEBUG "/NODEFAULTLIB")
set_target_properties(SDL2-static PROPERTIES STATIC_LIBRARY_FLAGS "/NODEFAULTLIB")

8
include/SDL_endian.h
View file

@ -90,7 +90,7 @@ extern "C" {
*/
/* various modern compilers may have builtin swap */
#if defined(__GNUC__)
#if defined(__GNUC__) || defined(__clang__)
# define HAS_BUILTIN_BSWAP16 (_SDL_HAS_BUILTIN(__builtin_bswap16)) || \
(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8))
# define HAS_BUILTIN_BSWAP32 (_SDL_HAS_BUILTIN(__builtin_bswap32)) || \
@ -109,7 +109,7 @@ extern "C" {
#if HAS_BUILTIN_BSWAP16
#define SDL_Swap16(x) __builtin_bswap16(x)
#elif defined(_MSC_VER) && (_MSC_VER >= 1400)
#elif defined(_MSC_VER) && (_MSC_VER >= 1400) && !defined(__clang__)
#pragma intrinsic(_byteswap_ushort)
#define SDL_Swap16(x) _byteswap_ushort(x)
#elif defined(__i386__) && !HAS_BROKEN_BSWAP
@ -165,7 +165,7 @@ SDL_Swap16(Uint16 x)
#if HAS_BUILTIN_BSWAP32
#define SDL_Swap32(x) __builtin_bswap32(x)
#elif defined(_MSC_VER) && (_MSC_VER >= 1400)
#elif defined(_MSC_VER) && (_MSC_VER >= 1400) && !defined(__clang__)
#pragma intrinsic(_byteswap_ulong)
#define SDL_Swap32(x) _byteswap_ulong(x)
#elif defined(__i386__) && !HAS_BROKEN_BSWAP
@ -224,7 +224,7 @@ SDL_Swap32(Uint32 x)
#if HAS_BUILTIN_BSWAP64
#define SDL_Swap64(x) __builtin_bswap64(x)
#elif defined(_MSC_VER) && (_MSC_VER >= 1400)
#elif defined(_MSC_VER) && (_MSC_VER >= 1400) && !defined(__clang__)
#pragma intrinsic(_byteswap_uint64)
#define SDL_Swap64(x) _byteswap_uint64(x)
#elif defined(__i386__) && !HAS_BROKEN_BSWAP