Revision control
+ # Copyright (C) 2026 The Qt Company Ltd.
+ # SPDX-License-Identifier: BSD-3-Clause
+
+ add_library(FeatureTest INTERFACE)
+ qt_feature_module_begin(LIBRARY FeatureTest NO_HEADERS)
+
+ qt_feature("condition_on" PRIVATE
+ LABEL "condition_on"
+ CONDITION ON
+ )
+ qt_feature("condition_off" PRIVATE
+ LABEL "condition_off"
+ CONDITION OFF
+ )
+ qt_feature("autodetect_off" PUBLIC PRIVATE
+ LABEL "autodetect_off"
+ AUTODETECT OFF
+ )
+ qt_feature("enabled" PRIVATE
+ LABEL "enabled"
+ ENABLE ON
+ )
+ qt_feature("disabled" PRIVATE
+ LABEL "disabled"
+ DISABLE ON
+ )
+ # DISABLE wins over ENABLE.
+ qt_feature("disabled_enabled" PRIVATE
+ LABEL "disabled_enabled"
+ DISABLE ON
+ ENABLE ON
+ )
+ # A feature that is not emitted is OFF even though its condition holds.
+ qt_feature("not_emitted" PRIVATE
+ LABEL "not_emitted"
+ EMIT_IF OFF
+ )
+
+ qt_feature_module_end(FeatureTest)
+
+ set(expected_on condition_on enabled)
+ set(expected_off condition_off autodetect_off disabled disabled_enabled not_emitted)
+
+ include("${CMAKE_CURRENT_LIST_DIR}/check_features.cmake")
+
+ add_subdirectory(subdir)