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
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
(cherry picked from commit 648e9696d38f9338019d30f297029ba34efb673c)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
This commit is contained in:
Giuseppe D'Angelo 2021-06-19 12:14:51 +02:00 committed by Qt Cherry-pick Bot
parent 68b107f2b8
commit 874cc1e9f6

View File

@ -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)