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headersclean: Check for all-W3 MSVC warnings

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C4180, C4458 were disabled already in 2012, in commit 6668f5becfb.
C4577 was disabled due to QtScript being compiled without exception
support in commit 97d7d80e735.

Anyhow, Qt Script is now officially gone in Qt 6, and Qt headers
do work just fine with C4180. Finally, C4458 is nowadays a W4 warning,
so not enabled in the first place.

Task-number: QTBUG-82615
Change-Id: I2f9b8e858817876b069a166129fbfac7ef3587a0
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>
This commit is contained in:
Kai Koehne 2020-08-25 12:52:48 +02:00
parent b5f972361a
commit 146421ecaf
2 changed files with 2 additions and 13 deletions
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7
cmake/QtHeadersClean.cmake
View File

@ -99,14 +99,9 @@ function(qt_internal_add_headers_clean_target
endforeach()
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
# 4180: qualifier applied to function type has no meaning; ignored
# 4458: declaration of 'identifier' hides class member
# 4577: 'noexcept' used with no exception handling mode specified; termination on
# exception is not guaranteed. Specify /EHsc
#
# -Za would enable strict standards behavior, but we can't add it because
# <windows.h> and <GL.h> violate the standards.
set(hcleanFLAGS -std:c++17 -WX -W3 -wd4180 -wd4458 -wd4577)
set(hcleanFLAGS -std:c++17 -WX -W3)
# cl.exe needs a source path
get_filename_component(source_path "${QT_MKSPECS_DIR}/features/data/dummy.cpp" REALPATH)

8
mkspecs/features/qt_module_headers.prf
View File

@ -273,15 +273,9 @@ headersclean:!internal_module {
hcleanCOMMAND = $(CXX) -c $(CXXFLAGS) $$hcleanFLAGS $(INCPATH) $$hcleanDEFS -xc++ ${QMAKE_FILE_IN} -o ${QMAKE_FILE_OUT}
} else: msvc:!intel_icl {
# 4180: qualifier applied to function type has no meaning; ignored
# 4458: declaration of 'identifier' hides class member
# -Za enables strict standards behavior, but we can't add it because
# <windows.h> and <GL.h> violate the standards.
hcleanFLAGS = -WX -W3 -wd4180 -wd4458
# MSVC 2015 (compiler version 19.0):
# 4577: 'noexcept' used with no exception handling mode specified; termination on exception is not guaranteed. Specify /EHsc
greaterThan(QMAKE_MSC_VER, 18): hcleanFLAGS += -wd4577
hcleanFLAGS = -WX -W3
hcleanCOMMAND = $(CXX) -c $(CXXFLAGS) $$hcleanFLAGS $(INCPATH) $$hcleanDEFS -FI${QMAKE_FILE_IN} -Fo${QMAKE_FILE_OUT} \
$$[QT_INSTALL_DATA/src]/mkspecs/features/data/dummy.cpp