127f658cc9
Detect clang-cl mkspec target Pick-to: 6.2 Change-Id: If0ca31ae2da3b44a4e2bd116933007139cc02fdc Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
320 lines
14 KiB
CMake
320 lines
14 KiB
CMake
|
|
function(qt_internal_set_warnings_are_errors_flags target)
|
|
set(flags "")
|
|
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" AND NOT MSVC)
|
|
# Regular clang 3.0+
|
|
if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "3.0.0")
|
|
list(APPEND flags -Werror -Wno-error=\#warnings -Wno-error=deprecated-declarations)
|
|
endif()
|
|
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "AppleClang")
|
|
# using AppleClang
|
|
# Apple clang 4.0+
|
|
if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "4.0.0" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS_EQUAL "9.2")
|
|
list(APPEND flags -Werror -Wno-error=\#warnings -Wno-error=deprecated-declarations)
|
|
endif()
|
|
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
|
|
# using GCC
|
|
list(APPEND flags -Werror -Wno-error=cpp -Wno-error=deprecated-declarations)
|
|
|
|
# GCC prints this bogus warning, after it has inlined a lot of code
|
|
# error: assuming signed overflow does not occur when assuming that (X + c) < X is always false
|
|
list(APPEND flags -Wno-error=strict-overflow)
|
|
|
|
# GCC 7 includes -Wimplicit-fallthrough in -Wextra, but Qt is not yet free of implicit fallthroughs.
|
|
if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "7.0.0")
|
|
list(APPEND flags -Wno-error=implicit-fallthrough)
|
|
endif()
|
|
|
|
if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "9.0.0")
|
|
# GCC 9 introduced these but we are not clean for it.
|
|
list(APPEND flags -Wno-error=deprecated-copy -Wno-error=redundant-move -Wno-error=init-list-lifetime)
|
|
# GCC 9 introduced -Wformat-overflow in -Wall, but it is buggy:
|
|
list(APPEND flags -Wno-error=format-overflow)
|
|
endif()
|
|
|
|
# Work-around for bug https://code.google.com/p/android/issues/detail?id=58135
|
|
if (ANDROID)
|
|
list(APPEND flags -Wno-error=literal-suffix)
|
|
endif()
|
|
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")
|
|
# Intel CC 13.0 +, on Linux only
|
|
if (LINUX)
|
|
if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "13.0.0")
|
|
# 177: function "entity" was declared but never referenced
|
|
# (too aggressive; ICC reports even for functions created due to template instantiation)
|
|
# 1224: #warning directive
|
|
# 1478: function "entity" (declared at line N) was declared deprecated
|
|
# 1786: function "entity" (declared at line N of "file") was declared deprecated ("message")
|
|
# 1881: argument must be a constant null pointer value
|
|
# (NULL in C++ is usually a literal 0)
|
|
list(APPEND flags -Werror -ww177,1224,1478,1786,1881)
|
|
endif()
|
|
endif()
|
|
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
|
|
# In qmake land, currently warnings as errors are only enabled for
|
|
# MSVC 2012, 2013, 2015.
|
|
# Respectively MSVC_VERRSIONs are: 1700-1799, 1800-1899, 1900-1909.
|
|
if(MSVC_VERSION GREATER_EQUAL 1700 AND MSVC_VERSION LESS_EQUAL 1909)
|
|
list(APPEND flags /WX)
|
|
endif()
|
|
endif()
|
|
set(warnings_are_errors_enabled_genex
|
|
"$<NOT:$<BOOL:$<TARGET_PROPERTY:QT_SKIP_WARNINGS_ARE_ERRORS>>>")
|
|
|
|
# Apprently qmake only adds -Werror to CXX and OBJCXX files, not C files. We have to do the
|
|
# same otherwise MinGW builds break when building 3rdparty\md4c\md4c.c (and probably on other
|
|
# platforms too).
|
|
set(cxx_only_genex "$<OR:$<COMPILE_LANGUAGE:CXX>,$<COMPILE_LANGUAGE:OBJCXX>>")
|
|
set(final_condition_genex "$<AND:${warnings_are_errors_enabled_genex},${cxx_only_genex}>")
|
|
set(flags_generator_expression "$<${final_condition_genex}:${flags}>")
|
|
target_compile_options("${target}" INTERFACE "${flags_generator_expression}")
|
|
endfunction()
|
|
|
|
add_library(PlatformCommonInternal INTERFACE)
|
|
add_library(Qt::PlatformCommonInternal ALIAS PlatformCommonInternal)
|
|
target_link_libraries(PlatformCommonInternal INTERFACE Platform)
|
|
|
|
add_library(PlatformModuleInternal INTERFACE)
|
|
add_library(Qt::PlatformModuleInternal ALIAS PlatformModuleInternal)
|
|
target_link_libraries(PlatformModuleInternal INTERFACE PlatformCommonInternal)
|
|
|
|
add_library(PlatformPluginInternal INTERFACE)
|
|
add_library(Qt::PlatformPluginInternal ALIAS PlatformPluginInternal)
|
|
target_link_libraries(PlatformPluginInternal INTERFACE PlatformCommonInternal)
|
|
|
|
add_library(PlatformAppInternal INTERFACE)
|
|
add_library(Qt::PlatformAppInternal ALIAS PlatformAppInternal)
|
|
target_link_libraries(PlatformAppInternal INTERFACE PlatformCommonInternal)
|
|
|
|
add_library(PlatformToolInternal INTERFACE)
|
|
add_library(Qt::PlatformToolInternal ALIAS PlatformToolInternal)
|
|
target_link_libraries(PlatformToolInternal INTERFACE PlatformAppInternal)
|
|
|
|
if(WARNINGS_ARE_ERRORS)
|
|
qt_internal_set_warnings_are_errors_flags(PlatformModuleInternal)
|
|
qt_internal_set_warnings_are_errors_flags(PlatformPluginInternal)
|
|
qt_internal_set_warnings_are_errors_flags(PlatformAppInternal)
|
|
endif()
|
|
if(WIN32)
|
|
# Needed for M_PI define. Same as mkspecs/features/qt_module.prf.
|
|
# It's set for every module being built, but it's not propagated to user apps.
|
|
target_compile_definitions(PlatformModuleInternal INTERFACE _USE_MATH_DEFINES)
|
|
endif()
|
|
if(FEATURE_largefile AND UNIX)
|
|
target_compile_definitions(PlatformCommonInternal
|
|
INTERFACE "_LARGEFILE64_SOURCE;_LARGEFILE_SOURCE")
|
|
endif()
|
|
|
|
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" AND CMAKE_SYSTEM_NAME STREQUAL "Windows")
|
|
# Clang will otherwise show error about inline method conflicting with dllimport class attribute in tools
|
|
# (this was tested with Clang 10)
|
|
# error: 'QString::operator[]' redeclared inline; 'dllimport' attribute ignored [-Werror,-Wignored-attributes]
|
|
target_compile_options(PlatformCommonInternal INTERFACE -Wno-ignored-attributes)
|
|
endif()
|
|
|
|
# We can't use the gold linker on android with the NDK, which is the default
|
|
# linker. To build our own target we will use the lld linker.
|
|
# TODO: Why not?
|
|
# Linking Android libs with lld on Windows sometimes deadlocks. Don't use lld on
|
|
# Windows. qmake doesn't use lld to build Android on any host platform.
|
|
if (ANDROID AND NOT CMAKE_HOST_WIN32)
|
|
target_link_options(PlatformModuleInternal INTERFACE -fuse-ld=lld)
|
|
endif()
|
|
|
|
target_compile_definitions(PlatformCommonInternal INTERFACE $<$<NOT:$<CONFIG:Debug>>:QT_NO_DEBUG>)
|
|
|
|
function(qt_internal_apply_bitcode_flags target)
|
|
# See mkspecs/features/uikit/bitcode.prf
|
|
set(release_flags "-fembed-bitcode")
|
|
set(debug_flags "-fembed-bitcode-marker")
|
|
|
|
set(is_release_genex "$<NOT:$<CONFIG:Debug>>")
|
|
set(flags_genex "$<IF:${is_release_genex},${release_flags},${debug_flags}>")
|
|
set(is_enabled_genex "$<NOT:$<BOOL:$<TARGET_PROPERTY:QT_NO_BITCODE>>>")
|
|
|
|
set(bitcode_flags "$<${is_enabled_genex}:${flags_genex}>")
|
|
|
|
target_link_options("${target}" INTERFACE ${bitcode_flags})
|
|
target_compile_options("${target}" INTERFACE ${bitcode_flags})
|
|
endfunction()
|
|
|
|
# Apple deprecated the entire OpenGL API in favor of Metal, which
|
|
# we are aware of, so silence the deprecation warnings in code.
|
|
# This does not apply to user-code, which will need to silence
|
|
# their own warnings if they use the deprecated APIs explicitly.
|
|
if(MACOS)
|
|
target_compile_definitions(PlatformCommonInternal INTERFACE GL_SILENCE_DEPRECATION)
|
|
elseif(UIKIT)
|
|
target_compile_definitions(PlatformCommonInternal INTERFACE GLES_SILENCE_DEPRECATION)
|
|
endif()
|
|
|
|
if(MSVC)
|
|
target_compile_definitions(PlatformCommonInternal INTERFACE
|
|
"_CRT_SECURE_NO_WARNINGS"
|
|
"$<$<STREQUAL:$<TARGET_PROPERTY:TYPE>,SHARED_LIBRARY>:_WINDLL>"
|
|
)
|
|
endif()
|
|
|
|
if(UIKIT)
|
|
# Do what mkspecs/features/uikit/default_pre.prf does, aka enable sse2 for
|
|
# simulator_and_device_builds.
|
|
if(FEATURE_simulator_and_device)
|
|
# Setting the definition on PlatformCommonInternal behaves slightly differently from what
|
|
# is done in qmake land. This way the define is not propagated to tests, examples, or
|
|
# user projects built with qmake, but only modules, plugins and tools.
|
|
# TODO: Figure out if this ok or not (sounds ok to me).
|
|
target_compile_definitions(PlatformCommonInternal INTERFACE QT_COMPILER_SUPPORTS_SSE2)
|
|
endif()
|
|
qt_internal_apply_bitcode_flags(PlatformCommonInternal)
|
|
endif()
|
|
|
|
# Taken from mkspecs/common/msvc-version.conf and mkspecs/common/msvc-desktop.conf
|
|
if (MSVC)
|
|
if (MSVC_VERSION GREATER_EQUAL 1799)
|
|
target_compile_options(PlatformCommonInternal INTERFACE
|
|
-FS
|
|
-Zc:rvalueCast
|
|
-Zc:inline
|
|
)
|
|
endif()
|
|
if (MSVC_VERSION GREATER_EQUAL 1899)
|
|
target_compile_options(PlatformCommonInternal INTERFACE
|
|
-Zc:strictStrings
|
|
)
|
|
if (NOT CLANG)
|
|
target_compile_options(PlatformCommonInternal INTERFACE
|
|
-Zc:throwingNew
|
|
)
|
|
endif()
|
|
endif()
|
|
if (MSVC_VERSION GREATER_EQUAL 1909 AND NOT CLANG)
|
|
target_compile_options(PlatformCommonInternal INTERFACE
|
|
-Zc:referenceBinding
|
|
)
|
|
endif()
|
|
if (MSVC_VERSION GREATER_EQUAL 1919 AND NOT CLANG)
|
|
target_compile_options(PlatformCommonInternal INTERFACE
|
|
-Zc:externConstexpr
|
|
)
|
|
endif()
|
|
|
|
target_compile_options(PlatformCommonInternal INTERFACE -Zc:wchar_t)
|
|
|
|
target_compile_options(PlatformCommonInternal INTERFACE
|
|
$<$<NOT:$<CONFIG:Debug>>:-guard:cf>
|
|
)
|
|
|
|
target_link_options(PlatformCommonInternal INTERFACE
|
|
-DYNAMICBASE -NXCOMPAT
|
|
$<$<NOT:$<CONFIG:Debug>>:-OPT:REF -OPT:ICF -GUARD:CF>
|
|
)
|
|
endif()
|
|
|
|
if (GCC AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "9.2")
|
|
target_compile_options(PlatformCommonInternal INTERFACE $<$<COMPILE_LANGUAGE:CXX>:-Wsuggest-override>)
|
|
endif()
|
|
|
|
if(QT_FEATURE_force_asserts)
|
|
target_compile_definitions(PlatformCommonInternal INTERFACE QT_FORCE_ASSERTS)
|
|
endif()
|
|
|
|
if(DEFINED QT_EXTRA_DEFINES)
|
|
target_compile_definitions(PlatformCommonInternal INTERFACE ${QT_EXTRA_DEFINES})
|
|
endif()
|
|
|
|
if(DEFINED QT_EXTRA_INCLUDEPATHS)
|
|
target_include_directories(PlatformCommonInternal INTERFACE ${QT_EXTRA_INCLUDEPATHS})
|
|
endif()
|
|
|
|
if(DEFINED QT_EXTRA_LIBDIRS)
|
|
target_link_directories(PlatformCommonInternal INTERFACE ${QT_EXTRA_LIBDIRS})
|
|
endif()
|
|
|
|
if(DEFINED QT_EXTRA_FRAMEWORKPATHS AND APPLE)
|
|
list(TRANSFORM QT_EXTRA_FRAMEWORKPATHS PREPEND "-F" OUTPUT_VARIABLE __qt_fw_flags)
|
|
target_compile_options(PlatformCommonInternal INTERFACE ${__qt_fw_flags})
|
|
target_link_options(PlatformCommonInternal INTERFACE ${__qt_fw_flags})
|
|
unset(__qt_fw_flags)
|
|
endif()
|
|
|
|
if(QT_FEATURE_use_gold_linker)
|
|
target_link_options(PlatformCommonInternal INTERFACE "-fuse-ld=gold")
|
|
elseif(QT_FEATURE_use_bfd_linker)
|
|
target_link_options(PlatformCommonInternal INTERFACE "-fuse-ld=bfd")
|
|
elseif(QT_FEATURE_use_lld_linker)
|
|
target_link_options(PlatformCommonInternal INTERFACE "-fuse-ld=lld")
|
|
endif()
|
|
|
|
if(QT_FEATURE_enable_gdb_index)
|
|
target_link_options(PlatformCommonInternal INTERFACE "-Wl,--gdb-index")
|
|
endif()
|
|
|
|
if(QT_FEATURE_enable_new_dtags)
|
|
target_link_options(PlatformCommonInternal INTERFACE "-Wl,--enable-new-dtags")
|
|
endif()
|
|
|
|
function(qt_get_implicit_sse2_genex_condition out_var)
|
|
set(is_shared_lib "$<STREQUAL:$<TARGET_PROPERTY:TYPE>,SHARED_LIBRARY>")
|
|
set(is_static_lib "$<STREQUAL:$<TARGET_PROPERTY:TYPE>,STATIC_LIBRARY>")
|
|
set(is_static_qt_build "$<NOT:$<BOOL:${QT_BUILD_SHARED_LIBS}>>")
|
|
set(is_staitc_lib_during_static_qt_build "$<AND:${is_static_qt_build},${is_static_lib}>")
|
|
set(enable_sse2_condition "$<OR:${is_shared_lib},${is_staitc_lib_during_static_qt_build}>")
|
|
set(${out_var} "${enable_sse2_condition}" PARENT_SCOPE)
|
|
endfunction()
|
|
|
|
function(qt_auto_detect_implicit_sse2)
|
|
# sse2 configuration adjustment in qt_module.prf
|
|
# If the compiler supports SSE2, enable it unconditionally in all of Qt shared libraries
|
|
# (and only the libraries). This is not expected to be a problem because:
|
|
# - on Windows, sharing of libraries is uncommon
|
|
# - on Mac OS X, all x86 CPUs already have SSE2 support (we won't even reach here)
|
|
# - on Linux, the dynamic loader can find the libraries on LIBDIR/sse2/
|
|
# The last guarantee does not apply to executables and plugins, so we can't enable for them.
|
|
set(__implicit_sse2_for_qt_modules_enabled FALSE PARENT_SCOPE)
|
|
if(TEST_subarch_sse2 AND NOT TEST_arch_${TEST_architecture_arch}_subarch_sse2)
|
|
qt_get_implicit_sse2_genex_condition(enable_sse2_condition)
|
|
set(enable_sse2_genex "$<${enable_sse2_condition}:${QT_CFLAGS_SSE2}>")
|
|
target_compile_options(PlatformModuleInternal INTERFACE ${enable_sse2_genex})
|
|
set(__implicit_sse2_for_qt_modules_enabled TRUE PARENT_SCOPE)
|
|
endif()
|
|
endfunction()
|
|
qt_auto_detect_implicit_sse2()
|
|
|
|
function(qt_auto_detect_fpmath)
|
|
# fpmath configuration adjustment in qt_module.prf
|
|
set(fpmath_supported FALSE)
|
|
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
|
|
if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "3.4")
|
|
set(fpmath_supported TRUE)
|
|
endif()
|
|
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "AppleClang")
|
|
if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "5.1")
|
|
set(fpmath_supported TRUE)
|
|
endif()
|
|
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
|
|
set(fpmath_supported TRUE)
|
|
endif()
|
|
if(fpmath_supported AND TEST_architecture_arch STREQUAL "i386" AND __implicit_sse2_for_qt_modules_enabled)
|
|
qt_get_implicit_sse2_genex_condition(enable_sse2_condition)
|
|
set(enable_fpmath_genex "$<${enable_sse2_condition}:-mfpmath=sse>")
|
|
target_compile_options(PlatformModuleInternal INTERFACE ${enable_fpmath_genex})
|
|
endif()
|
|
endfunction()
|
|
qt_auto_detect_fpmath()
|
|
|
|
function(qt_handle_apple_app_extension_api_only)
|
|
if(APPLE)
|
|
# Build Qt libraries with -fapplication-extension. Needed to avoid linker warnings
|
|
# transformed into errors on darwin platforms.
|
|
set(flags "-fapplication-extension")
|
|
set(genex_condition "$<NOT:$<BOOL:$<TARGET_PROPERTY:QT_NO_APP_EXTENSION_ONLY_API>>>")
|
|
set(flags "$<${genex_condition}:${flags}>")
|
|
target_compile_options(PlatformModuleInternal INTERFACE ${flags})
|
|
target_link_options(PlatformModuleInternal INTERFACE ${flags})
|
|
target_compile_options(PlatformPluginInternal INTERFACE ${flags})
|
|
target_link_options(PlatformPluginInternal INTERFACE ${flags})
|
|
endif()
|
|
endfunction()
|
|
|
|
qt_handle_apple_app_extension_api_only()
|