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Fixup Clang on windows support

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This commit fixes issues that prevented clang-cl & clang from being distinguished
on windows, resulting in improper command line arguments being used.

CMAKE_CXX_COMPILER_FRONTEND_VARIANT is the proper way to distinguish clang from
clang-cl, which have different command line options.
This commit is contained in:
Charles Giessen 2023-12-06 13:57:34 -07:00 committed by Charles Giessen
parent e2e2d69785
commit 767bd1baf2
1 changed files with 15 additions and 26 deletions
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41
CMakeLists.txt
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@ -26,7 +26,8 @@ if(IS_DIRECTORY ${VK_BOOTSTRAP_VULKAN_HEADER_DIR})
add_library(Vulkan-Headers INTERFACE)
add_library(Vulkan::Headers ALIAS Vulkan-Headers)
target_include_directories(Vulkan-Headers INTERFACE $<BUILD_INTERFACE:${VK_BOOTSTRAP_VULKAN_HEADER_DIR}>)
# If we had to use a direct path to get the headers, disable installing
set(VK_BOOTSTRAP_INSTALL OFF)
# Check if the target is already defined
elseif(NOT TARGET Vulkan::Headers)
# Try looking for the VulkanHeaders package directly
@ -55,34 +56,22 @@ endif()
add_library(vk-bootstrap-compiler-warnings INTERFACE)
# Determine whether we're compiling with clang++
string(FIND "${CMAKE_CXX_COMPILER}" "clang++" VK_BOOTSTRAP_COMPILER_CLANGPP)
if(VK_BOOTSTRAP_COMPILER_CLANGPP GREATER -1)
set(VK_BOOTSTRAP_COMPILER_CLANGPP 1)
else()
set(VK_BOOTSTRAP_COMPILER_CLANGPP 0)
set(VK_BOOTSTRAP_COMPILER_FRONTEND ${CMAKE_CXX_COMPILER_FRONTEND_VARIANT})
if(NOT VK_BOOTSTRAP_COMPILER_FRONTEND)
set(VK_BOOTSTRAP_COMPILER_FRONTEND "None")
endif()
if(NOT VK_BOOTSTRAP_DISABLE_WARNINGS)
target_compile_options(vk-bootstrap-compiler-warnings
INTERFACE
$<$<OR:$<CXX_COMPILER_ID:AppleClang>,$<CXX_COMPILER_ID:GNU>,${VK_BOOTSTRAP_COMPILER_CLANGPP}>:
-Wall
-Wextra
-Wconversion
-Wsign-conversion>
$<$<CXX_COMPILER_ID:MSVC>:
/W4>
)
if(VK_BOOTSTRAP_WERROR)
target_compile_options(vk-bootstrap-compiler-warnings
INTERFACE
$<$<OR:$<CXX_COMPILER_ID:AppleClang>,$<CXX_COMPILER_ID:GNU>,${VK_BOOTSTRAP_COMPILER_CLANGPP}>:
-pedantic-errors>
$<$<CXX_COMPILER_ID:MSVC>:
/WX>
)
if (CMAKE_CXX_COMPILER_ID MATCHES "GNU|AppleClang" OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND VK_BOOTSTRAP_COMPILER_FRONTEND MATCHES "GNU"))
target_compile_options(vk-bootstrap-compiler-warnings INTERFACE -Wall -Wextra -Wconversion -Wsign-conversion)
if(VK_BOOTSTRAP_WERROR)
target_compile_options(vk-bootstrap-compiler-warnings INTERFACE -pedantic-errors)
endif()
elseif (CMAKE_CXX_COMPILER_ID MATCHES "MSVC" OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND VK_BOOTSTRAP_COMPILER_FRONTEND MATCHES "MSVC"))
target_compile_options(vk-bootstrap-compiler-warnings INTERFACE /W4)
if(VK_BOOTSTRAP_WERROR)
target_compile_options(vk-bootstrap-compiler-warnings INTERFACE /WX)
endif()
endif()
endif()