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#
# 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
}
# 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 2012, MSVC 2013, MSVC 2015
contains(MSVC_VER, "1[124].0"): QMAKE_CXXFLAGS_WARN_ON += -WX
}
unset(ver)
}
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