| # |
| # W A R N I N G |
| # ------------- |
| # |
| # This file is not part of the Qt API. It exists purely as an |
| # implementation detail. It may change from version to version |
| # without notice, or even be removed. |
| # |
| # We mean it. |
| # |
| |
| QMAKE_DIR_REPLACE_SANE += DESTDIR |
| CONFIG -= debug_and_release_target |
| |
| DEFINES *= QT_NO_NARROWING_CONVERSIONS_IN_CONNECT |
| |
| qtConfig(c++11): CONFIG += c++11 strict_c++ |
| qtConfig(c++14): CONFIG += c++14 |
| qtConfig(c++1z): CONFIG += c++1z |
| qtConfig(c++2a): CONFIG += c++2a |
| qtConfig(c99): CONFIG += c99 |
| qtConfig(c11): CONFIG += c11 |
| qtConfig(stack-protector-strong): CONFIG += stack_protector_strong |
| contains(TEMPLATE, .*lib) { |
| # module and plugins |
| if(!host_build|!cross_compile):qtConfig(reduce_exports): CONFIG += hide_symbols |
| unix:qtConfig(reduce_relocations): CONFIG += bsymbolic_functions |
| qtConfig(separate_debug_info): CONFIG += separate_debug_info |
| |
| !isEmpty(_QMAKE_SUPER_CACHE_): \ |
| rplbase = $$dirname(_QMAKE_SUPER_CACHE_)/[^/][^/]* |
| else: \ |
| rplbase = $$MODULE_BASE_OUTDIR |
| host_build { |
| qqt_libdir = \$\$\$\$[QT_HOST_LIBS] |
| qt_libdir = $$[QT_HOST_LIBS] |
| } else { |
| qqt_libdir = \$\$\$\$[QT_INSTALL_LIBS] |
| qt_libdir = $$[QT_INSTALL_LIBS] |
| } |
| contains(QMAKE_DEFAULT_LIBDIRS, $$qt_libdir) { |
| lib_replace0.match = $$rplbase/lib/ |
| lib_replace0.replace = $$qqt_libdir/ |
| lib_replace0.CONFIG = path |
| QMAKE_PRL_INSTALL_REPLACE += lib_replace0 |
| lib_replace.match = "[^ ']*$$rplbase/lib" |
| lib_replace.replace = |
| } else { |
| lib_replace.match = $$rplbase/lib |
| lib_replace.replace = $$qqt_libdir |
| } |
| lib_replace.CONFIG = path |
| QMAKE_PRL_INSTALL_REPLACE += lib_replace |
| !equals(qt_libdir, $$rplbase/lib) { |
| qtlibdir_replace.match = $$qt_libdir |
| qtlibdir_replace.replace = $$qqt_libdir |
| qtlibdir_replace.CONFIG = path |
| QMAKE_PRL_INSTALL_REPLACE += qtlibdir_replace |
| } |
| } |
| |
| # The remainder of this file must not apply to host tools/libraries, |
| # as the host compiler's version and capabilities are not checked. |
| host_build:cross_compile: return() |
| |
| # Extra warnings for Qt non-example code, to ensure cleanliness of the sources. |
| # The block below may turn these warnings into errors for some Qt targets. |
| # -Wdate-time: warn if we use __DATE__ or __TIME__ (we want to be able to reproduce the exact same binary) |
| # -Wvla: use of variable-length arrays (an extension to C++) |
| clang { |
| clang_ver = $${QT_CLANG_MAJOR_VERSION}.$${QT_CLANG_MINOR_VERSION} |
| apple_ver = $${QT_APPLE_CLANG_MAJOR_VERSION}.$${QT_APPLE_CLANG_MINOR_VERSION} |
| versionAtLeast(clang_ver, 3.5): \ |
| QMAKE_CXXFLAGS_WARN_ON += -Wdate-time |
| |
| versionAtLeast(clang_ver, 3.6)|versionAtLeast(apple_ver, 6.3): \ |
| QMAKE_CXXFLAGS_WARN_ON += -Winconsistent-missing-override |
| |
| darwin { |
| QMAKE_CXXFLAGS_WARN_ON += \ |
| -Wobjc-interface-ivars \ |
| -Wobjc-method-access \ |
| -Wobjc-multiple-method-names |
| |
| # Clang/LLVM 5.0 and Xcode 9.0 introduced unguarded availability warnings. |
| # The same construct has been a hard error in Swift from the very beginning. |
| versionAtLeast(clang_ver, 5.0)|versionAtLeast(apple_ver, 9.0): \ |
| QMAKE_CXXFLAGS_WARN_ON += \ |
| -Werror=unguarded-availability \ |
| -Werror=unguarded-availability-new \ |
| -Werror=unsupported-availability-guard |
| } |
| } else: gcc:!intel_icc { |
| QMAKE_CXXFLAGS_WARN_ON += -Wvla |
| # GCC 5 fixed -Wmissing-field-initializers for when there are no initializers |
| lessThan(QT_GCC_MAJOR_VERSION, 5): QMAKE_CXXFLAGS_WARN_ON += -Wno-missing-field-initializers |
| # GCC 5 introduced -Wdate-time |
| greaterThan(QT_GCC_MAJOR_VERSION, 4): QMAKE_CXXFLAGS_WARN_ON += -Wdate-time |
| # GCC 6 introduced these |
| greaterThan(QT_GCC_MAJOR_VERSION, 5): QMAKE_CXXFLAGS_WARN_ON += -Wshift-overflow=2 -Wduplicated-cond |
| # GCC 7 has a lot of false positives relating to this, so disable completely |
| greaterThan(QT_GCC_MAJOR_VERSION, 6): QMAKE_CXXFLAGS_WARN_ON += -Wno-stringop-overflow |
| # GCC 9 introduced -Wformat-overflow in -Wall, but it is buggy: |
| greaterThan(QT_GCC_MAJOR_VERSION, 8): QMAKE_CXXFLAGS_WARN_ON += -Wno-format-overflow |
| } |
| |
| warnings_are_errors:warning_clean { |
| # If the module declares that it has does its clean-up of warnings, enable -Werror. |
| # This setting is compiler-dependent anyway because it depends on the version of the |
| # compiler. |
| clang { |
| # Apple clang 4.0-4.2,5.0-5.1,6.0-6.4,7.0-7.3,8.0-8.3,9.0-9.2 |
| # Regular clang 3.x-7.0 |
| apple_ver = $${QT_APPLE_CLANG_MAJOR_VERSION}.$${QT_APPLE_CLANG_MINOR_VERSION} |
| reg_ver = $${QT_CLANG_MAJOR_VERSION}.$${QT_CLANG_MINOR_VERSION} |
| contains(apple_ver, "4\\.[012]|5\\.[01]|6\\.[01234]|7\\.[0123]|8\\.[0123]|9\\.[012]")|contains(reg_ver, "[345]\\.|[67]\\.0") { |
| QMAKE_CXXFLAGS_WARN_ON += -Werror -Wno-error=\\$${LITERAL_HASH}warnings -Wno-error=deprecated-declarations $$WERROR |
| } |
| } else:intel_icc:linux { |
| # Intel CC 13.0 - 18.0, on Linux only |
| ver = $${QT_ICC_MAJOR_VERSION}.$${QT_ICC_MINOR_VERSION} |
| linux:contains(ver, "(1[345678]\\.|19\\.0)") { |
| # 177: function "entity" was declared but never referenced |
| # (too aggressive; ICC reports even for functions created due to template instantiation) |
| # 1224: #warning directive |
| # 1478: function "entity" (declared at line N) was declared deprecated |
| # 1786: function "entity" (declared at line N of "file") was declared deprecated ("message") |
| # 1881: argument must be a constant null pointer value |
| # (NULL in C++ is usually a literal 0) |
| QMAKE_CXXFLAGS_WARN_ON += -Werror -ww177,1224,1478,1786,1881 $$WERROR |
| } |
| } else:gcc:!clang:!intel_icc:!rim_qcc { |
| # GCC 4.6-4.9, 5.x, ... |
| ver = $${QT_GCC_MAJOR_VERSION}.$${QT_GCC_MINOR_VERSION} |
| contains(ver, "(4\\.[6789]|[5-9]\\..)") { |
| QMAKE_CXXFLAGS_WARN_ON += -Werror -Wno-error=cpp -Wno-error=deprecated-declarations $$WERROR |
| |
| # 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 |
| QMAKE_CXXFLAGS_WARN_ON += -Wno-error=strict-overflow |
| |
| # GCC 7 includes -Wimplicit-fallthrough in -Wextra, but Qt is not yet free of implicit fallthroughs. |
| greaterThan(QT_GCC_MAJOR_VERSION, 6): QMAKE_CXXFLAGS_WARN_ON += -Wno-error=implicit-fallthrough |
| # GCC 9 introduced -Wdeprecated-copy in -Wextra, but we are not clean for it. |
| greaterThan(QT_GCC_MAJOR_VERSION, 8): QMAKE_CXXFLAGS_WARN_ON += -Wno-error=deprecated-copy |
| # GCC 9 introduced this |
| greaterThan(QT_GCC_MAJOR_VERSION, 8): QMAKE_CXXFLAGS_WARN_ON += -Wno-error=redundant-move |
| # GCC 9 introduced this |
| greaterThan(QT_GCC_MAJOR_VERSION, 8): QMAKE_CXXFLAGS_WARN_ON += -Wno-error=init-list-lifetime |
| |
| # Work-around for bug https://code.google.com/p/android/issues/detail?id=58135 |
| android: QMAKE_CXXFLAGS_WARN_ON += -Wno-error=literal-suffix |
| } |
| } else:msvc:!intel_icl { |
| # enable for MSVC 2015, MSVC 2017 |
| contains(MSVC_VER, "1[45].0"): QMAKE_CXXFLAGS_WARN_ON += -WX |
| } |
| unset(ver) |
| } |
| |
