797e18118b
We don't appear to have implicit fallthroughs in our code anymore. The last deprecated copies and redundant moves are also gone. The other warning never had an explanation and doesn't show up when building full Qt anyway. Change-Id: Iad959315ad374ef288f5fffd15d683599a1a11b9 Reviewed-by: Marc Mutz <marc.mutz@kdab.com> Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
164 lines
7.1 KiB
Plaintext
164 lines
7.1 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(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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# 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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