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obs-studio/cmake/windows/compilerconfig.cmake
PatTheMav e075e7057c cmake: Force PDB generation on Windows for MSVC builds in all configs
CMake 3.25 changed the way PDB generation is handled by only enabling
it for Debug and RelWithDebInfo builds, which prohibits generation of
fully optimized builds with associated symbols (which is MSVC's
default).

If configuring with CMake 3.25 or above, enable this globally for builds
using MSVC and fall back to embedded debug information for anything else
(which would probably be clang-cl).
2023-11-11 17:17:20 -06:00

76 lines
2.8 KiB
CMake

# OBS CMake Windows compiler configuration module
include_guard(GLOBAL)
include(ccache)
include(compiler_common)
if(ENABLE_CCACHE AND CCACHE_PROGRAM)
if(CMAKE_C_COMPILER_ID STREQUAL "MSVC")
file(COPY_FILE ${CCACHE_PROGRAM} "${CMAKE_CURRENT_BINARY_DIR}/cl.exe")
set(CMAKE_VS_GLOBALS "CLToolExe=cl.exe" "CLToolPath=${CMAKE_BINARY_DIR}" "TrackFileAccess=false"
"UseMultiToolTask=true")
set(CMAKE_MSVC_DEBUG_INFORMATION_FORMAT Embedded)
elseif(CMAKE_C_COMPILER_ID STREQUAL "Clang")
file(COPY_FILE ${CCACHE_PROGRAM} "${CMAKE_CURRENT_BINARY_DIR}/clang-cl.exe")
set(CMAKE_VS_GLOBALS "CLToolExe=clang-cl.exe" "CLToolPath=${CMAKE_BINARY_DIR}" "TrackFileAccess=false"
"UseMultiToolTask=true")
endif()
endif()
# CMake 3.24 introduces a bug mistakenly interpreting MSVC as supporting the '-pthread' compiler flag
if(CMAKE_VERSION VERSION_EQUAL 3.24.0)
set(THREADS_HAVE_PTHREAD_ARG FALSE)
endif()
# CMake 3.25 changed the way symbol generation is handled on Windows
if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.25.0)
if(CMAKE_C_COMPILER_ID STREQUAL "MSVC")
set(CMAKE_MSVC_DEBUG_INFORMATION_FORMAT ProgramDatabase)
else()
set(CMAKE_MSVC_DEBUG_INFORMATION_FORMAT Embedded)
endif()
endif()
message(DEBUG "Current Windows API version: ${CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION}")
if(CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION_MAXIMUM)
message(DEBUG "Maximum Windows API version: ${CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION_MAXIMUM}")
endif()
if(CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION VERSION_LESS 10.0.20348)
message(FATAL_ERROR "OBS requires Windows SDK version 10.0.20348.0 or more recent.\n"
"Please download and install the most recent Windows SDK.")
endif()
set(_obs_msvc_c_options /Brepro /MP /permissive- /Zc:__cplusplus /Zc:preprocessor)
set(_obs_msvc_cpp_options /Brepro /MP /permissive- /Zc:__cplusplus /Zc:preprocessor)
if(CMAKE_CXX_STANDARD GREATER_EQUAL 20)
list(APPEND _obs_msvc_cpp_options /Zc:char8_t-)
endif()
add_compile_options(
/W3
/utf-8
"$<$<COMPILE_LANG_AND_ID:C,MSVC>:${_obs_msvc_c_options}>"
"$<$<COMPILE_LANG_AND_ID:CXX,MSVC>:${_obs_msvc_cpp_options}>"
"$<$<COMPILE_LANG_AND_ID:C,Clang>:${_obs_clang_c_options}>"
"$<$<COMPILE_LANG_AND_ID:CXX,Clang>:${_obs_clang_cxx_options}>"
$<$<NOT:$<CONFIG:Debug>>:/Gy>)
add_compile_definitions(UNICODE _UNICODE _CRT_SECURE_NO_WARNINGS _CRT_NONSTDC_NO_WARNINGS $<$<CONFIG:DEBUG>:DEBUG>
$<$<CONFIG:DEBUG>:_DEBUG>)
# cmake-format: off
add_link_options($<$<NOT:$<CONFIG:Debug>>:/OPT:REF>
$<$<NOT:$<CONFIG:Debug>>:/OPT:ICF>
$<$<NOT:$<CONFIG:Debug>>:/INCREMENTAL:NO>
/DEBUG
/Brepro)
# cmake-format: on
if(CMAKE_COMPILE_WARNING_AS_ERROR)
add_link_options(/WX)
endif()