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CMake: Propagate usage of WARNINGS_ARE_ERRORS when building repos

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When configuring a qtbase developer build, WARNINGS_ARE_ERRORS is
set to ON and -Werror flags are added to the PlatformInternal
targets. But the value of WARNINGS_ARE_ERRORS is not exported.

This means that CMake code can't make decisions based on that variable
when building other repos, and we now have such code with the new
syncqt.cpp in qt_internal_target_sync_headers.

Export the value of WARNINGS_ARE_ERRORS in
QtBuildInternalsExtra.cmake.in.

Fixes: QTBUG-108151
Change-Id: I5de2633fcb1f20fead7d436c201852424e726842
Reviewed-by: Alexey Edelev <alexey.edelev@qt.io>
This commit is contained in:
Alexandru Croitor 2022-11-02 16:22:04 +01:00
parent 4d3f5ac0cc
commit 83ecb65ec0
1 changed files with 3 additions and 0 deletions
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cmake/QtBuildInternalsExtra.cmake.in
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@ -103,6 +103,9 @@ set(QT_BUILD_EXAMPLES_AS_EXTERNAL "@QT_BUILD_EXAMPLES_AS_EXTERNAL@" CACHE BOOL
# Propagate usage of ccache.
set(QT_USE_CCACHE @QT_USE_CCACHE@ CACHE BOOL "Enable the use of ccache")
# Propragate the value of WARNINGS_ARE_ERRORS.
set(WARNINGS_ARE_ERRORS "@WARNINGS_ARE_ERRORS@" CACHE BOOL "Build Qt with warnings as errors")
# Propagate usage of versioned hard link.
set(QT_CREATE_VERSIONED_HARD_LINK "@QT_CREATE_VERSIONED_HARD_LINK@" CACHE BOOL
"Enable the use of versioned hard link")