b5ed3cb7ba
Add the CONFIG value c++2b that represent the upcoming C++23 standard. Add QMAKE_CXXFLAGS_CXX2B and QMAKE_CXXFLAGS_GNUCXX2B. On MSVC, use /std:c++latest when c++2b is active. This fixes an issue with MSVC where c++latest implied the /std:c++20 compiler flag. Pick-to: 5.15 6.2 6.3 Fixes: QTBUG-102202 Change-Id: Ie00ee5793c1a649195013c8c19efc8d59cf0acc9 Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io> Reviewed-by: Kai Koehne <kai.koehne@qt.io>
166 lines
7.2 KiB
Plaintext
166 lines
7.2 KiB
Plaintext
#
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# W A R N I N G
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# -------------
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#
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# This file is not part of the Qt API. It exists purely as an
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# implementation detail. It may change from version to version
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# without notice, or even be removed.
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#
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# We mean it.
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#
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QMAKE_DIR_REPLACE_SANE += DESTDIR
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CONFIG -= debug_and_release_target
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DEFINES *= QT_NO_NARROWING_CONVERSIONS_IN_CONNECT
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qtConfig(c++11): CONFIG += c++11 strict_c++
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qtConfig(c++14): CONFIG += c++14
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qtConfig(c++1z): CONFIG += c++1z
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qtConfig(c++2a): CONFIG += c++2a
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qtConfig(c++2b): CONFIG += c++2b
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qtConfig(c99): CONFIG += c99
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qtConfig(c11): CONFIG += c11
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qtConfig(separate_debug_info): CONFIG += separate_debug_info
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qtConfig(stack-protector-strong): CONFIG += stack_protector_strong
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contains(TEMPLATE, .*lib) {
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# module and plugins
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unix:qtConfig(reduce_relocations): CONFIG += bsymbolic_functions
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}
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contains(TEMPLATE, .*lib)|contains(TEMPLATE, aux) {
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!isEmpty(_QMAKE_SUPER_CACHE_): \
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rplbase = $$dirname(_QMAKE_SUPER_CACHE_)/[^/][^/]*
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else: \
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rplbase = $$MODULE_BASE_OUTDIR
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host_build {
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qqt_libdir = \$\$\$\$[QT_HOST_LIBS]
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qt_libdir = $$[QT_HOST_LIBS]
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} else {
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qqt_libdir = \$\$\$\$[QT_INSTALL_LIBS]
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qt_libdir = $$[QT_INSTALL_LIBS]
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}
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contains(QMAKE_DEFAULT_LIBDIRS, $$qt_libdir) {
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lib_replace0.match = $$rplbase/lib/
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lib_replace0.replace = $$qqt_libdir/
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lib_replace0.CONFIG = path
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QMAKE_PRL_INSTALL_REPLACE += lib_replace0
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lib_replace.match = "[^ ']*$$rplbase/lib"
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lib_replace.replace =
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} else {
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lib_replace.match = $$rplbase/lib
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lib_replace.replace = $$qqt_libdir
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}
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lib_replace.CONFIG = path
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QMAKE_PRL_INSTALL_REPLACE += lib_replace
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!equals(qt_libdir, $$rplbase/lib) {
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qtlibdir_replace.match = $$qt_libdir
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qtlibdir_replace.replace = $$qqt_libdir
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qtlibdir_replace.CONFIG = path
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QMAKE_PRL_INSTALL_REPLACE += qtlibdir_replace
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}
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}
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contains(TEMPLATE, .*lib)|darwin {
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if(!host_build|!cross_compile):qtConfig(reduce_exports): CONFIG += hide_symbols
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}
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# Apple deprecated the entire OpenGL API in favor of Metal, which
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# we are aware of, so silence the deprecation warnings in code.
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# This does not apply to user-code, which will need to silence
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# their own warnings if they use the deprecated APIs explicitly.
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macos: DEFINES += GL_SILENCE_DEPRECATION
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uikit: DEFINES += GLES_SILENCE_DEPRECATION
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qtConfig(force_asserts): DEFINES += QT_FORCE_ASSERTS
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# The remainder of this file must not apply to host tools/libraries,
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# as the host compiler's version and capabilities are not checked.
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host_build:cross_compile: return()
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# Extra warnings for Qt non-example code, to ensure cleanliness of the sources.
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# The block below may turn these warnings into errors for some Qt targets.
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# -Wdate-time: warn if we use __DATE__ or __TIME__ (we want to be able to reproduce the exact same binary)
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# -Wvla: use of variable-length arrays (an extension to C++)
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clang {
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clang_ver = $${QT_CLANG_MAJOR_VERSION}.$${QT_CLANG_MINOR_VERSION}
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apple_ver = $${QT_APPLE_CLANG_MAJOR_VERSION}.$${QT_APPLE_CLANG_MINOR_VERSION}
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versionAtLeast(clang_ver, 3.5): \
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QMAKE_CXXFLAGS_WARN_ON += -Wdate-time
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versionAtLeast(clang_ver, 3.6)|versionAtLeast(apple_ver, 6.3): \
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QMAKE_CXXFLAGS_WARN_ON += -Winconsistent-missing-override
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darwin {
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QMAKE_CXXFLAGS_WARN_ON += \
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-Wobjc-interface-ivars \
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-Wobjc-method-access \
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-Wobjc-multiple-method-names
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# Clang/LLVM 5.0 and Xcode 9.0 introduced unguarded availability warnings.
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# The same construct has been a hard error in Swift from the very beginning.
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versionAtLeast(clang_ver, 5.0)|versionAtLeast(apple_ver, 9.0): \
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QMAKE_CXXFLAGS_WARN_ON += \
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-Werror=unguarded-availability \
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-Werror=unguarded-availability-new \
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-Werror=unsupported-availability-guard
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}
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} else: gcc:!intel_icc {
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QMAKE_CXXFLAGS_WARN_ON += -Wvla
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# GCC 5 fixed -Wmissing-field-initializers for when there are no initializers
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lessThan(QT_GCC_MAJOR_VERSION, 5): QMAKE_CXXFLAGS_WARN_ON += -Wno-missing-field-initializers
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# GCC 5 introduced -Wdate-time
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greaterThan(QT_GCC_MAJOR_VERSION, 4): QMAKE_CXXFLAGS_WARN_ON += -Wdate-time
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# GCC 6 introduced these
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greaterThan(QT_GCC_MAJOR_VERSION, 5): QMAKE_CXXFLAGS_WARN_ON += -Wshift-overflow=2 -Wduplicated-cond
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# GCC 7 has a lot of false positives relating to this, so disable completely
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greaterThan(QT_GCC_MAJOR_VERSION, 6): QMAKE_CXXFLAGS_WARN_ON += -Wno-stringop-overflow
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# GCC 9 introduced -Wformat-overflow in -Wall, but it is buggy:
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greaterThan(QT_GCC_MAJOR_VERSION, 8): QMAKE_CXXFLAGS_WARN_ON += -Wno-format-overflow
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ver = $${QT_GCC_MAJOR_VERSION}.$${QT_GCC_MINOR_VERSION}
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versionAtLeast(ver, 9.2): QMAKE_CXXFLAGS_WARN_ON += -Wsuggest-override
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}
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warnings_are_errors:warning_clean {
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# If the module declares that it has does its clean-up of warnings, enable -Werror.
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# This setting is compiler-dependent anyway because it depends on the version of the
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# compiler.
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clang {
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# Apple clang 4.0-4.2,5.0-5.1,6.0-6.4,7.0-7.3,8.0-8.3,9.0-9.2
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# Regular clang 3.x-7.0
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apple_ver = $${QT_APPLE_CLANG_MAJOR_VERSION}.$${QT_APPLE_CLANG_MINOR_VERSION}
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reg_ver = $${QT_CLANG_MAJOR_VERSION}.$${QT_CLANG_MINOR_VERSION}
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contains(apple_ver, "4\\.[012]|5\\.[01]|6\\.[01234]|7\\.[0123]|8\\.[0123]|9\\.[012]")|contains(reg_ver, "[345]\\.|[67]\\.0") {
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QMAKE_CXXFLAGS_WARN_ON += -Werror -Wno-error=\\$${LITERAL_HASH}warnings -Wno-error=deprecated-declarations $$WERROR
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}
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} else:intel_icc:linux {
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# Intel CC 13.0 - 18.0, on Linux only
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ver = $${QT_ICC_MAJOR_VERSION}.$${QT_ICC_MINOR_VERSION}
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linux:contains(ver, "(1[345678]\\.|19\\.0)") {
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# 177: function "entity" was declared but never referenced
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# (too aggressive; ICC reports even for functions created due to template instantiation)
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# 1224: #warning directive
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# 1478: function "entity" (declared at line N) was declared deprecated
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# 1786: function "entity" (declared at line N of "file") was declared deprecated ("message")
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# 1881: argument must be a constant null pointer value
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# (NULL in C++ is usually a literal 0)
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QMAKE_CXXFLAGS_WARN_ON += -Werror -ww177,1224,1478,1786,1881 $$WERROR
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}
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} else:gcc:!clang:!intel_icc:!rim_qcc {
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# GCC 4.6-4.9, 5.x, ...
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ver = $${QT_GCC_MAJOR_VERSION}.$${QT_GCC_MINOR_VERSION}
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contains(ver, "(4\\.[6789]|[5-9]\\..)") {
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QMAKE_CXXFLAGS_WARN_ON += -Werror -Wno-error=cpp -Wno-error=deprecated-declarations $$WERROR
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# GCC prints this bogus warning, after it has inlined a lot of code
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# error: assuming signed overflow does not occur when assuming that (X + c) < X is always false
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QMAKE_CXXFLAGS_WARN_ON += -Wno-error=strict-overflow
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# Work-around for bug https://code.google.com/p/android/issues/detail?id=58135
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android: QMAKE_CXXFLAGS_WARN_ON += -Wno-error=literal-suffix
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}
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} else:msvc:!intel_icl {
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# enable for MSVC 2015, MSVC 2017
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contains(MSVC_VER, "1[45].0"): QMAKE_CXXFLAGS_WARN_ON += -WX
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}
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unset(ver)
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}
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