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Disable -Werror=stringop-overflow on GCC >= 10 

There's a number of upstream bugs that cause false positives;
do not make them errors.

Change-Id: I4151794d8d37177a47a34aef8d83accf4377d44a
Pick-to: 6.1 6.2
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
This commit is contained in:
Giuseppe D'Angelo 2021-06-19 12:14:51 +02:00
parent e99e07cb5c
commit 648e9696d3
1 changed files with 8 additions and 0 deletions
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8
cmake/QtInternalTargets.cmake
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@ -32,6 +32,14 @@ function(qt_internal_set_warnings_are_errors_flags target)
list(APPEND flags -Wno-error=format-overflow)
endif()
if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "10.0.0")
# GCC 10 has a number of bugs in -Wstringop-overflow. Do not make them an error.
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92955
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94335
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101134
list(APPEND flags -Wno-error=stringop-overflow)
endif()
if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "11.0.0")
# We do mixed enum arithmetic all over the place:
list(APPEND flags -Wno-error=deprecated-enum-enum-conversion -Wno-error=deprecated-enum-float-conversion)