ebfd85a499
This is enabled only for -developer-builds and only for certain compiler-version combinations that are in a whitelist. It also requires each library, plugin or tool to declare whether it is supposedly clean of warnings. When most targets are clean, we can consider inverting. Change-Id: I17b5c4e45aee5078f9788e846a45d619c144095a Reviewed-by: Lars Knoll <lars.knoll@digia.com> Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
55 lines
2.3 KiB
Plaintext
55 lines
2.3 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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contains(QT_CONFIG, c++11): CONFIG += c++11
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contains(TEMPLATE, .*lib) {
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# module and plugins
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contains(QT_CONFIG, reduce_exports): CONFIG += hide_symbols
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unix:contains(QT_CONFIG, reduce_relocations): CONFIG += bsymbolic_functions
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contains(QT_CONFIG, largefile): CONFIG += largefile
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contains(QT_CONFIG, separate_debug_info): CONFIG += separate_debug_info
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contains(QT_CONFIG, separate_debug_info_nocopy): CONFIG += separate_debug_info_nocopy
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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+ or clang 3.1+
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greaterThan(QT_CLANG_MAJOR_VERSION, 3) | \
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if(equals(QT_CLANG_MAJOR_VERSION, 3):greaterThan(QT_CLANG_MINOR_VERSION, 1)) | \
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greaterThan(QT_APPLE_CLANG_MAJOR_VERSION, 3) {
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QMAKE_CXXFLAGS += -Werror -Wno-error=\\$${LITERAL_HASH}warnings $$WERROR
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}
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} else:intel_icc {
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# Intel CC 13.0+ (a.k.a. Intel Composer XE 2013)
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greaterThan(QT_ICC_MAJOR_VERSION, 12) {
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# 177: function "entity" was declared but never referenced
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# (too aggressive; ICC reports even for functions created due to template instantiation)
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# 1224: #warning directive
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# 1881: argument must be a constant null pointer value
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# (NULL in C++ is usually a literal 0)
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QMAKE_CXXFLAGS += -Werror -ww177,1224,1881 $$WERROR
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}
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} else:gcc {
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# GCC 4.6+
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# note: there was no GCC 3.6 and this assumes no one is crazy enough to compile Qt with GCC 2.7
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greaterThan(QT_GCC_MAJOR_VERSION, 4)|greaterThan(QT_GCC_MINOR_VERSION, 5) {
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QMAKE_CXXFLAGS += -Werror -Wno-error=cpp $$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 += -Wno-error=strict-overflow
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}
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}
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}
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