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| author | Alexandru Croitor <alexandru.croitor@qt.io> | 2020-10-05 09:09:13 +0200 |
|---|---|---|
| committer | Alexandru Croitor <alexandru.croitor@qt.io> | 2020-10-06 10:07:08 +0200 |
| commit | 98bea5857a0b63925ebab160a717105ad6ee9445 (patch) | |
| tree | 43110370aec654590229a2f77d16e42b754ac767 /cmake/QtFlagHandlingHelpers.cmake | |
| parent | 07b6d3367debd8f15974abf0f5cdf48f0fe3a536 (diff) | |
CMake: Introduce CMake-only optimize_full feature
Enabling it will force usage of '-O3' flag when building Qt.
If the platform has no '-O3' flag, use '-O2' as a fallback.
Task-number: QTBUG-86866
Change-Id: If13f7de954ba5c01dc9634f06a85529828fe90a9
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
Diffstat (limited to 'cmake/QtFlagHandlingHelpers.cmake')
| -rw-r--r-- | cmake/QtFlagHandlingHelpers.cmake | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/cmake/QtFlagHandlingHelpers.cmake b/cmake/QtFlagHandlingHelpers.cmake index db2790171d..4dd37b35f7 100644 --- a/cmake/QtFlagHandlingHelpers.cmake +++ b/cmake/QtFlagHandlingHelpers.cmake @@ -793,6 +793,15 @@ function(qt_internal_set_up_config_optimizations_like_in_qmake) set(value_to_append "${QT_CFLAGS_OPTIMIZE_SIZE}") endif() + # Check if the fake 'optimize_full' feature is enabled. + # Use the max optimization level flag for all release configs, effectively + # overriding any previous setting. + set(configs_for_optimize RELEASE RELWITHDEBINFO MINSIZEREL) + if(QT_FEATURE_optimize_full AND config IN_LIST configs_for_optimize) + qt_internal_get_optimize_full_flags(optimize_full_flags) + set(value_to_append "${optimize_full_flags}") + endif() + # Assign value to the cache entry. if(value_to_append) string(APPEND "${flag_var_name}" " ${value_to_append}") |