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function ( qt_feature_module_begin )
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qt_parse_all_arguments ( arg "qt_feature_module_begin"
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" N O _ M O D U L E ; O N L Y _ E V A L U A T E _ F E A T U R E S "
" L I B R A R Y ; P R I V A T E _ F I L E ; P U B L I C _ F I L E " " P U B L I C _ D E P E N D E N C I E S ; P R I V A T E _ D E P E N D E N C I E S " $ { A R G N } )
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if ( NOT arg_ONLY_EVALUATE_FEATURES )
if ( "${arg_LIBRARY}" STREQUAL "" AND ( NOT ${ arg_NO_MODULE } ) )
message ( FATAL_ERROR
" q t _ f e a t u r e _ b e g i n _ m o d u l e n e e d s a L I B R A R Y n a m e ! ( o r s p e c i f y N O _ M O D U L E ) " )
endif ( )
if ( "${arg_PUBLIC_FILE}" STREQUAL "" )
message ( FATAL_ERROR "qt_feature_begin_module needs a PUBLIC_FILE name!" )
endif ( )
if ( "${arg_PRIVATE_FILE}" STREQUAL "" )
message ( FATAL_ERROR "qt_feature_begin_module needs a PRIVATE_FILE name!" )
endif ( )
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set ( __QtFeature_only_evaluate_features OFF PARENT_SCOPE )
else ( )
set ( __QtFeature_only_evaluate_features ON PARENT_SCOPE )
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endif ( )
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set ( __QtFeature_library "${arg_LIBRARY}" PARENT_SCOPE )
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set ( __QtFeature_public_features "" PARENT_SCOPE )
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set ( __QtFeature_private_features "" PARENT_SCOPE )
set ( __QtFeature_internal_features "" PARENT_SCOPE )
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set ( __QtFeature_private_file "${arg_PRIVATE_FILE}" PARENT_SCOPE )
set ( __QtFeature_public_file "${arg_PUBLIC_FILE}" PARENT_SCOPE )
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set ( __QtFeature_private_extra "" PARENT_SCOPE )
set ( __QtFeature_public_extra "" PARENT_SCOPE )
2019-03-14 10:27:38 +00:00
Export non-private and non-public features and CONFIG values
Before we only exported features that had outputType PUBLIC or PRIVATE
on the various "QT_ENABLED_PUBLIC_FEATURES" target properties.
Now we also export features that have output type privateConfig,
publicConfig and publicQtConfig.
The new properties names are:
- QT_QMAKE_PUBLIC_CONFIG for outputType == publicConfig
- QT_QMAKE_PRIVATE_CONFIG for outputType == privateConfig
- QT_QMAKE_PUBLIC_QT_CONFIG for outputType == publicQtConfig
These need to be exported for 2 reasons:
- other modules that need to check the config values
- in preparation for generating proper qmake .prl and .pri
information for each module
Note that the config values are now considered actual features
when doing condition evaluation. So if there exists a feature "ssse3"
with outputType privateConfig, its enabled state can be checked via
QT_FEATURE_ssse3 in consuming modules (but not in the declaring
module).
These config values are also placed in the respective
QT_ENABLED_PUBLIC_FEATURES, QT_ENABLED_PRIVATE_FEATURES properties
when exporting a target, so the properties will now contain both
features and config values.
In order to make this work, feature name normalization has to happen
at CMake time, rather than done by the python script.
This means that features like "developer-build" need to retain the
dash in the qt_feature(), qt_feature_definition() and
qt_feature_config() calls, rather than generating "developer_build"
as the script did before.
The normalization is done at CMake time. Feature conditions,
CMake code, and -DFEATURE_foo=bar options passed on the command line
should still use the underscore version, but the original name is used
for the QT_QMAKE_PUBLIC_CONFIG properties.
Note that "c++11" like features are normalized to "cxx11".
Implementation wise, the configurejson2cmake script is adjusted to
parse these new output types.
Also QtBuild and QtFeature are adjusted to save the config values
in properties, and re-export them from GlobalConfig to Core.
Task-number: QTBUG-75666
Task-number: QTBUG-78178
Change-Id: Ibd4b152e372bdf2d09ed117644f2f2ac53ec5e75
Reviewed-by: Qt CMake Build Bot
Reviewed-by: Leander Beernaert <leander.beernaert@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2019-08-28 13:15:50 +00:00
set ( __QtFeature_config_definitions "" PARENT_SCOPE )
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set ( __QtFeature_define_definitions "" PARENT_SCOPE )
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endfunction ( )
Export non-private and non-public features and CONFIG values
Before we only exported features that had outputType PUBLIC or PRIVATE
on the various "QT_ENABLED_PUBLIC_FEATURES" target properties.
Now we also export features that have output type privateConfig,
publicConfig and publicQtConfig.
The new properties names are:
- QT_QMAKE_PUBLIC_CONFIG for outputType == publicConfig
- QT_QMAKE_PRIVATE_CONFIG for outputType == privateConfig
- QT_QMAKE_PUBLIC_QT_CONFIG for outputType == publicQtConfig
These need to be exported for 2 reasons:
- other modules that need to check the config values
- in preparation for generating proper qmake .prl and .pri
information for each module
Note that the config values are now considered actual features
when doing condition evaluation. So if there exists a feature "ssse3"
with outputType privateConfig, its enabled state can be checked via
QT_FEATURE_ssse3 in consuming modules (but not in the declaring
module).
These config values are also placed in the respective
QT_ENABLED_PUBLIC_FEATURES, QT_ENABLED_PRIVATE_FEATURES properties
when exporting a target, so the properties will now contain both
features and config values.
In order to make this work, feature name normalization has to happen
at CMake time, rather than done by the python script.
This means that features like "developer-build" need to retain the
dash in the qt_feature(), qt_feature_definition() and
qt_feature_config() calls, rather than generating "developer_build"
as the script did before.
The normalization is done at CMake time. Feature conditions,
CMake code, and -DFEATURE_foo=bar options passed on the command line
should still use the underscore version, but the original name is used
for the QT_QMAKE_PUBLIC_CONFIG properties.
Note that "c++11" like features are normalized to "cxx11".
Implementation wise, the configurejson2cmake script is adjusted to
parse these new output types.
Also QtBuild and QtFeature are adjusted to save the config values
in properties, and re-export them from GlobalConfig to Core.
Task-number: QTBUG-75666
Task-number: QTBUG-78178
Change-Id: Ibd4b152e372bdf2d09ed117644f2f2ac53ec5e75
Reviewed-by: Qt CMake Build Bot
Reviewed-by: Leander Beernaert <leander.beernaert@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2019-08-28 13:15:50 +00:00
function ( qt_feature_normalize_name name out_var )
# Normalize the feature name to something CMake can deal with.
if ( name MATCHES "c\\+\\+" )
string ( REGEX REPLACE "[^a-zA-Z0-9_]" "x" name "${name}" )
else ( )
string ( REGEX REPLACE "[^a-zA-Z0-9_]" "_" name "${name}" )
endif ( )
set ( ${ out_var } "${name}" PARENT_SCOPE )
endfunction ( )
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function ( qt_feature feature )
Export non-private and non-public features and CONFIG values
Before we only exported features that had outputType PUBLIC or PRIVATE
on the various "QT_ENABLED_PUBLIC_FEATURES" target properties.
Now we also export features that have output type privateConfig,
publicConfig and publicQtConfig.
The new properties names are:
- QT_QMAKE_PUBLIC_CONFIG for outputType == publicConfig
- QT_QMAKE_PRIVATE_CONFIG for outputType == privateConfig
- QT_QMAKE_PUBLIC_QT_CONFIG for outputType == publicQtConfig
These need to be exported for 2 reasons:
- other modules that need to check the config values
- in preparation for generating proper qmake .prl and .pri
information for each module
Note that the config values are now considered actual features
when doing condition evaluation. So if there exists a feature "ssse3"
with outputType privateConfig, its enabled state can be checked via
QT_FEATURE_ssse3 in consuming modules (but not in the declaring
module).
These config values are also placed in the respective
QT_ENABLED_PUBLIC_FEATURES, QT_ENABLED_PRIVATE_FEATURES properties
when exporting a target, so the properties will now contain both
features and config values.
In order to make this work, feature name normalization has to happen
at CMake time, rather than done by the python script.
This means that features like "developer-build" need to retain the
dash in the qt_feature(), qt_feature_definition() and
qt_feature_config() calls, rather than generating "developer_build"
as the script did before.
The normalization is done at CMake time. Feature conditions,
CMake code, and -DFEATURE_foo=bar options passed on the command line
should still use the underscore version, but the original name is used
for the QT_QMAKE_PUBLIC_CONFIG properties.
Note that "c++11" like features are normalized to "cxx11".
Implementation wise, the configurejson2cmake script is adjusted to
parse these new output types.
Also QtBuild and QtFeature are adjusted to save the config values
in properties, and re-export them from GlobalConfig to Core.
Task-number: QTBUG-75666
Task-number: QTBUG-78178
Change-Id: Ibd4b152e372bdf2d09ed117644f2f2ac53ec5e75
Reviewed-by: Qt CMake Build Bot
Reviewed-by: Leander Beernaert <leander.beernaert@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2019-08-28 13:15:50 +00:00
set ( original_name "${feature}" )
qt_feature_normalize_name ( "${feature}" feature )
set_property ( GLOBAL PROPERTY QT_FEATURE_ORIGINAL_NAME_ ${ feature } "${original_name}" )
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qt_parse_all_arguments ( arg "qt_feature"
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" P R I V A T E ; P U B L I C "
" L A B E L ; P U R P O S E ; S E C T I O N ; " " A U T O D E T E C T ; C O N D I T I O N ; E N A B L E ; D I S A B L E ; E M I T _ I F " $ { A R G N } )
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set ( _QT_FEATURE_DEFINITION_ ${ feature } ${ ARGN } PARENT_SCOPE )
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# Register feature for future use:
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if ( arg_PUBLIC )
list ( APPEND __QtFeature_public_features "${feature}" )
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endif ( )
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if ( arg_PRIVATE )
list ( APPEND __QtFeature_private_features "${feature}" )
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endif ( )
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if ( NOT arg_PUBLIC AND NOT arg_PRIVATE )
list ( APPEND __QtFeature_internal_features "${feature}" )
endif ( )
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set ( __QtFeature_public_features ${ __QtFeature_public_features } PARENT_SCOPE )
set ( __QtFeature_private_features ${ __QtFeature_private_features } PARENT_SCOPE )
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set ( __QtFeature_internal_features ${ __QtFeature_internal_features } PARENT_SCOPE )
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endfunction ( )
function ( qt_evaluate_to_boolean expressionVar )
if ( ${ ${expressionVar } } )
set ( ${ expressionVar } ON PARENT_SCOPE )
else ( )
set ( ${ expressionVar } OFF PARENT_SCOPE )
endif ( )
endfunction ( )
function ( qt_evaluate_config_expression resultVar )
set ( result "" )
set ( nestingLevel 0 )
set ( skipNext OFF )
set ( expression "${ARGN}" )
list ( LENGTH expression length )
math ( EXPR length "${length}-1" )
foreach ( memberIdx RANGE ${ length } )
if ( ${ skipNext } )
set ( skipNext OFF )
continue ( )
endif ( )
list ( GET expression ${ memberIdx } member )
if ( "${member}" STREQUAL "(" )
if ( ${ nestingLevel } GREATER 0 )
list ( APPEND result ${ member } )
endif ( )
math ( EXPR nestingLevel "${nestingLevel} + 1" )
continue ( )
elseif ( "${member}" STREQUAL ")" )
math ( EXPR nestingLevel "${nestingLevel} - 1" )
if ( nestingLevel LESS 0 )
break ( )
endif ( )
if ( ${ nestingLevel } EQUAL 0 )
qt_evaluate_config_expression ( result ${ result } )
else ( )
list ( APPEND result ${ member } )
endif ( )
continue ( )
elseif ( ${ nestingLevel } GREATER 0 )
list ( APPEND result ${ member } )
continue ( )
elseif ( "${member}" STREQUAL "NOT" )
list ( APPEND result ${ member } )
continue ( )
elseif ( "${member}" STREQUAL "AND" )
qt_evaluate_to_boolean ( result )
if ( NOT ${ result } )
break ( )
endif ( )
set ( result "" )
elseif ( "${member}" STREQUAL "OR" )
qt_evaluate_to_boolean ( result )
if ( ${ result } )
break ( )
endif ( )
set ( result "" )
elseif ( "${member}" STREQUAL "STREQUAL" AND memberIdx LESS ${ length } )
# Unfortunately the semantics for STREQUAL in if() are broken when the
# RHS is an empty string and the parameters to if are coming through a variable.
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# So we expect people to write the empty string with single quotes and then we
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# do the comparison manually here.
list ( LENGTH result lhsIndex )
math ( EXPR lhsIndex "${lhsIndex}-1" )
list ( GET result ${ lhsIndex } lhs )
list ( REMOVE_AT result ${ lhsIndex } )
set ( lhs "${${lhs}}" )
math ( EXPR rhsIndex "${memberIdx}+1" )
set ( skipNext ON )
list ( GET expression ${ rhsIndex } rhs )
# We can't pass through an empty string with double quotes through various
# stages of substitution, so instead it is represented using single quotes
# and resolve here.
string ( REGEX REPLACE "'(.*)'" "\\1" rhs "${rhs}" )
string ( COMPARE EQUAL "${lhs}" "${rhs}" stringCompareResult )
list ( APPEND result ${ stringCompareResult } )
else ( )
string ( FIND "${member}" "QT_FEATURE_" idx )
if ( idx EQUAL 0 )
# Remove the QT_FEATURE_ prefix
string ( SUBSTRING "${member}" 11 -1 feature )
qt_evaluate_feature ( ${ feature } )
endif ( )
list ( APPEND result ${ member } )
endif ( )
endforeach ( )
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# The 'TARGET Gui' case is handled by qt_evaluate_to_boolean, by passing those tokens verbatim
# to if().
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if ( "${result}" STREQUAL "" )
set ( result ON )
else ( )
qt_evaluate_to_boolean ( result )
endif ( )
set ( ${ resultVar } ${ result } PARENT_SCOPE )
endfunction ( )
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function ( qt_feature_set_cache_value resultVar feature emit_if calculated label )
if ( DEFINED "FEATURE_${feature}" )
# Must set up the cache
if ( NOT ( emit_if ) )
message ( FATAL_ERROR "Sanity check failed: FEATURE_${feature} that was not emitted was found in the CMakeCache." )
endif ( )
# Revisit value:
set ( cache "${FEATURE_${feature}}" )
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set ( booly_values OFF NO FALSE N ON YES TRUE Y )
if ( ( cache IN_LIST booly_values ) OR ( cache GREATER_EQUAL 0 ) )
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set ( result "${cache}" )
else ( )
message ( FATAL_ERROR "Sanity check failed: FEATURE_${feature} has invalid value \" ${ cache } \"!")
endif ( )
# Fix-up user-provided values
set ( "FEATURE_${feature}" "${cache}" CACHE BOOL "${label}" )
else ( )
# Initial setup:
if ( emit_if )
set ( "FEATURE_${feature}" "${calculated}" CACHE BOOL "${label}" )
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set ( result "${calculated}" )
else ( )
set ( result OFF )
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endif ( )
endif ( )
set ( "${resultVar}" "${result}" PARENT_SCOPE )
endfunction ( )
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macro ( qt_feature_set_value feature cache emit_if condition label )
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set ( result "${cache}" )
if ( NOT ( condition ) AND ( cache ) )
message ( SEND_ERROR "Feature \" ${ feature } \": Forcing to \"${cache}\" breaks its condition. " )
endif ( )
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if ( DEFINED "QT_FEATURE_${feature}" )
message ( FATAL_ERROR "Feature ${feature} is already defined when evaluating configure.cmake features for ${target}." )
endif ( )
set ( QT_FEATURE_ ${ feature } "${result}" CACHE INTERNAL "Qt feature: ${feature}" )
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endmacro ( )
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function ( qt_evaluate_feature feature )
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# If the feature was set explicitly by the user to be on or off, in the cache, then
# there's nothing for us to do.
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if ( DEFINED "QT_FEATURE_${feature}" )
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return ( )
endif ( )
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if ( NOT DEFINED _QT_FEATURE_DEFINITION_ ${ feature } )
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qt_debug_print_variables ( DEDUP MATCH "^QT_FEATURE" )
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message ( FATAL_ERROR "Attempting to evaluate feature ${feature} but its definition is missing. Either the feature does not exist or a dependency to the module that defines it is missing" )
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endif ( )
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cmake_parse_arguments ( arg
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" P R I V A T E ; P U B L I C "
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" L A B E L ; P U R P O S E ; S E C T I O N ; " " A U T O D E T E C T ; C O N D I T I O N ; E N A B L E ; D I S A B L E ; E M I T _ I F " $ { _ Q T _ F E A T U R E _ D E F I N I T I O N _ $ { f e a t u r e } } )
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if ( DEFINED QT_FEATURE_ ${ feature } )
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return ( )
endif ( )
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if ( "${arg_ENABLE}" STREQUAL "" )
set ( arg_ENABLE OFF )
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endif ( )
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if ( "${arg_DISABLE}" STREQUAL "" )
set ( arg_DISABLE OFF )
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endif ( )
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if ( "${arg_AUTODETECT}" STREQUAL "" )
set ( arg_AUTODETECT ON )
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endif ( )
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if ( "${arg_CONDITION}" STREQUAL "" )
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set ( condition ON )
else ( )
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qt_evaluate_config_expression ( condition ${ arg_CONDITION } )
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endif ( )
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qt_evaluate_config_expression ( disable_result ${ arg_DISABLE } )
qt_evaluate_config_expression ( enable_result ${ arg_ENABLE } )
if ( ${ disable_result } )
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set ( result OFF )
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elseif ( ( ${ enable_result } ) OR ( ${ arg_AUTODETECT } ) )
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set ( result ${ condition } )
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else ( )
# feature not auto-detected and not explicitly enabled
set ( result OFF )
endif ( )
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if ( "${arg_EMIT_IF}" STREQUAL "" )
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set ( emit_if ON )
else ( )
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qt_evaluate_config_expression ( emit_if ${ arg_EMIT_IF } )
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endif ( )
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if ( NOT ( condition ) AND ( calculated ) )
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message ( FATAL_ERROR "Sanity check failed: Feature ${feature} is enabled but condition does not hold true." )
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endif ( )
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qt_feature_set_cache_value ( cache "${feature}" "${emit_if}" "${result}" "${arg_LABEL}" )
qt_feature_set_value ( "${feature}" "${cache}" "${emit_if}" "${condition}" "${arg_LABEL}" )
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# Store each feature's label for summary info.
set ( QT_FEATURE_LABEL_ ${ feature } "${arg_LABEL}" CACHE INTERNAL "" )
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endfunction ( )
Export non-private and non-public features and CONFIG values
Before we only exported features that had outputType PUBLIC or PRIVATE
on the various "QT_ENABLED_PUBLIC_FEATURES" target properties.
Now we also export features that have output type privateConfig,
publicConfig and publicQtConfig.
The new properties names are:
- QT_QMAKE_PUBLIC_CONFIG for outputType == publicConfig
- QT_QMAKE_PRIVATE_CONFIG for outputType == privateConfig
- QT_QMAKE_PUBLIC_QT_CONFIG for outputType == publicQtConfig
These need to be exported for 2 reasons:
- other modules that need to check the config values
- in preparation for generating proper qmake .prl and .pri
information for each module
Note that the config values are now considered actual features
when doing condition evaluation. So if there exists a feature "ssse3"
with outputType privateConfig, its enabled state can be checked via
QT_FEATURE_ssse3 in consuming modules (but not in the declaring
module).
These config values are also placed in the respective
QT_ENABLED_PUBLIC_FEATURES, QT_ENABLED_PRIVATE_FEATURES properties
when exporting a target, so the properties will now contain both
features and config values.
In order to make this work, feature name normalization has to happen
at CMake time, rather than done by the python script.
This means that features like "developer-build" need to retain the
dash in the qt_feature(), qt_feature_definition() and
qt_feature_config() calls, rather than generating "developer_build"
as the script did before.
The normalization is done at CMake time. Feature conditions,
CMake code, and -DFEATURE_foo=bar options passed on the command line
should still use the underscore version, but the original name is used
for the QT_QMAKE_PUBLIC_CONFIG properties.
Note that "c++11" like features are normalized to "cxx11".
Implementation wise, the configurejson2cmake script is adjusted to
parse these new output types.
Also QtBuild and QtFeature are adjusted to save the config values
in properties, and re-export them from GlobalConfig to Core.
Task-number: QTBUG-75666
Task-number: QTBUG-78178
Change-Id: Ibd4b152e372bdf2d09ed117644f2f2ac53ec5e75
Reviewed-by: Qt CMake Build Bot
Reviewed-by: Leander Beernaert <leander.beernaert@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2019-08-28 13:15:50 +00:00
function ( qt_feature_config feature config_var_name )
qt_feature_normalize_name ( "${feature}" feature )
qt_parse_all_arguments ( arg "qt_feature_config" "NEGATE" "NAME" "" ${ ARGN } )
# Store all the config related info in a unique variable key.
set ( key_name "_QT_FEATURE_CONFIG_DEFINITION_${feature}_${config_var_name}" )
set ( ${ key_name } "FEATURE;${feature};CONFIG_VAR_NAME;${config_var_name};${ARGN}" PARENT_SCOPE )
# Store the key for later evaluation.
list ( APPEND __QtFeature_config_definitions "${key_name}" )
set ( __QtFeature_config_definitions ${ __QtFeature_config_definitions } PARENT_SCOPE )
endfunction ( )
function ( qt_evaluate_qmake_config_values key )
if ( NOT DEFINED ${ key } )
qt_debug_print_variables ( DEDUP MATCH "^_QT_FEATURE_CONFIG_DEFINITION" )
message ( FATAL_ERROR
" A t t e m p t i n g t o e v a l u a t e f e a t u r e c o n f i g $ { k e y } b u t i t s d e f i n i t i o n i s m i s s i n g . " )
endif ( )
cmake_parse_arguments ( arg
" N E G A T E "
" F E A T U R E ; N A M E ; C O N F I G _ V A R _ N A M E "
" " $ { $ { k e y } } )
# If no custom name is specified, then the config value is the same as the feature name.
if ( NOT arg_NAME )
set ( arg_NAME "${arg_FEATURE}" )
endif ( )
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set ( expected "NOT" )
if ( arg_NEGATE )
set ( expected "" )
string ( PREPEND arg_NAME "no_" )
endif ( )
Export non-private and non-public features and CONFIG values
Before we only exported features that had outputType PUBLIC or PRIVATE
on the various "QT_ENABLED_PUBLIC_FEATURES" target properties.
Now we also export features that have output type privateConfig,
publicConfig and publicQtConfig.
The new properties names are:
- QT_QMAKE_PUBLIC_CONFIG for outputType == publicConfig
- QT_QMAKE_PRIVATE_CONFIG for outputType == privateConfig
- QT_QMAKE_PUBLIC_QT_CONFIG for outputType == publicQtConfig
These need to be exported for 2 reasons:
- other modules that need to check the config values
- in preparation for generating proper qmake .prl and .pri
information for each module
Note that the config values are now considered actual features
when doing condition evaluation. So if there exists a feature "ssse3"
with outputType privateConfig, its enabled state can be checked via
QT_FEATURE_ssse3 in consuming modules (but not in the declaring
module).
These config values are also placed in the respective
QT_ENABLED_PUBLIC_FEATURES, QT_ENABLED_PRIVATE_FEATURES properties
when exporting a target, so the properties will now contain both
features and config values.
In order to make this work, feature name normalization has to happen
at CMake time, rather than done by the python script.
This means that features like "developer-build" need to retain the
dash in the qt_feature(), qt_feature_definition() and
qt_feature_config() calls, rather than generating "developer_build"
as the script did before.
The normalization is done at CMake time. Feature conditions,
CMake code, and -DFEATURE_foo=bar options passed on the command line
should still use the underscore version, but the original name is used
for the QT_QMAKE_PUBLIC_CONFIG properties.
Note that "c++11" like features are normalized to "cxx11".
Implementation wise, the configurejson2cmake script is adjusted to
parse these new output types.
Also QtBuild and QtFeature are adjusted to save the config values
in properties, and re-export them from GlobalConfig to Core.
Task-number: QTBUG-75666
Task-number: QTBUG-78178
Change-Id: Ibd4b152e372bdf2d09ed117644f2f2ac53ec5e75
Reviewed-by: Qt CMake Build Bot
Reviewed-by: Leander Beernaert <leander.beernaert@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2019-08-28 13:15:50 +00:00
# The feature condition is false, there is no need to export any config values.
if ( ${ expected } ${ QT_FEATURE_${arg_FEATURE } } )
return ( )
endif ( )
if ( arg_CONFIG_VAR_NAME STREQUAL "QMAKE_PUBLIC_CONFIG" )
list ( APPEND __QtFeature_qmake_public_config "${arg_NAME}" )
set ( __QtFeature_qmake_public_config "${__QtFeature_qmake_public_config}" PARENT_SCOPE )
endif ( )
if ( arg_CONFIG_VAR_NAME STREQUAL "QMAKE_PRIVATE_CONFIG" )
list ( APPEND __QtFeature_qmake_private_config "${arg_NAME}" )
set ( __QtFeature_qmake_private_config "${__QtFeature_qmake_private_config}" PARENT_SCOPE )
endif ( )
if ( arg_CONFIG_VAR_NAME STREQUAL "QMAKE_PUBLIC_QT_CONFIG" )
list ( APPEND __QtFeature_qmake_public_qt_config "${arg_NAME}" )
set ( __QtFeature_qmake_public_qt_config "${__QtFeature_qmake_public_qt_config}" PARENT_SCOPE )
endif ( )
endfunction ( )
2018-12-11 15:02:39 +00:00
function ( qt_feature_definition feature name )
Export non-private and non-public features and CONFIG values
Before we only exported features that had outputType PUBLIC or PRIVATE
on the various "QT_ENABLED_PUBLIC_FEATURES" target properties.
Now we also export features that have output type privateConfig,
publicConfig and publicQtConfig.
The new properties names are:
- QT_QMAKE_PUBLIC_CONFIG for outputType == publicConfig
- QT_QMAKE_PRIVATE_CONFIG for outputType == privateConfig
- QT_QMAKE_PUBLIC_QT_CONFIG for outputType == publicQtConfig
These need to be exported for 2 reasons:
- other modules that need to check the config values
- in preparation for generating proper qmake .prl and .pri
information for each module
Note that the config values are now considered actual features
when doing condition evaluation. So if there exists a feature "ssse3"
with outputType privateConfig, its enabled state can be checked via
QT_FEATURE_ssse3 in consuming modules (but not in the declaring
module).
These config values are also placed in the respective
QT_ENABLED_PUBLIC_FEATURES, QT_ENABLED_PRIVATE_FEATURES properties
when exporting a target, so the properties will now contain both
features and config values.
In order to make this work, feature name normalization has to happen
at CMake time, rather than done by the python script.
This means that features like "developer-build" need to retain the
dash in the qt_feature(), qt_feature_definition() and
qt_feature_config() calls, rather than generating "developer_build"
as the script did before.
The normalization is done at CMake time. Feature conditions,
CMake code, and -DFEATURE_foo=bar options passed on the command line
should still use the underscore version, but the original name is used
for the QT_QMAKE_PUBLIC_CONFIG properties.
Note that "c++11" like features are normalized to "cxx11".
Implementation wise, the configurejson2cmake script is adjusted to
parse these new output types.
Also QtBuild and QtFeature are adjusted to save the config values
in properties, and re-export them from GlobalConfig to Core.
Task-number: QTBUG-75666
Task-number: QTBUG-78178
Change-Id: Ibd4b152e372bdf2d09ed117644f2f2ac53ec5e75
Reviewed-by: Qt CMake Build Bot
Reviewed-by: Leander Beernaert <leander.beernaert@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2019-08-28 13:15:50 +00:00
qt_feature_normalize_name ( "${feature}" feature )
2020-03-31 12:12:01 +00:00
qt_parse_all_arguments ( arg "qt_feature_definition" "NEGATE" "VALUE;PREREQUISITE" "" ${ ARGN } )
2018-10-24 13:20:27 +00:00
2019-03-14 10:27:38 +00:00
# Store all the define related info in a unique variable key.
set ( key_name "_QT_FEATURE_DEFINE_DEFINITION_${feature}_${name}" )
set ( ${ key_name } "FEATURE;${feature};NAME;${name};${ARGN}" PARENT_SCOPE )
# Store the key for later evaluation and subsequent define generation:
list ( APPEND __QtFeature_define_definitions "${key_name}" )
set ( __QtFeature_define_definitions ${ __QtFeature_define_definitions } PARENT_SCOPE )
endfunction ( )
function ( qt_evaluate_feature_definition key )
if ( NOT DEFINED ${ key } )
qt_debug_print_variables ( DEDUP MATCH "^_QT_FEATURE_DEFINE_DEFINITION" )
message ( FATAL_ERROR "Attempting to evaluate feature define ${key} but its definition is missing. " )
2018-10-24 13:20:27 +00:00
endif ( )
2019-03-14 10:27:38 +00:00
cmake_parse_arguments ( arg
" N E G A T E ; "
2020-03-31 12:12:01 +00:00
" F E A T U R E ; N A M E ; V A L U E ; P R E R E Q U I S I T E " " " $ { $ { k e y } } )
2019-03-14 10:27:38 +00:00
set ( expected ON )
if ( arg_NEGATE )
set ( expected OFF )
2018-10-24 13:20:27 +00:00
endif ( )
2019-03-14 10:27:38 +00:00
set ( msg "" )
if ( QT_FEATURE_ ${ arg_FEATURE } STREQUAL expected )
2020-03-31 12:12:01 +00:00
set ( indent "" )
if ( arg_PREREQUISITE )
string ( APPEND msg "#if ${arg_PREREQUISITE}\n" )
set ( indent " " )
endif ( )
2019-03-14 10:27:38 +00:00
if ( arg_VALUE )
2020-03-31 12:12:01 +00:00
string ( APPEND msg "${indent}#define ${arg_NAME} ${arg_VALUE}\n" )
2019-03-14 10:27:38 +00:00
else ( )
2020-03-31 12:12:01 +00:00
string ( APPEND msg "${indent}#define ${arg_NAME}\n" )
endif ( )
if ( arg_PREREQUISITE )
string ( APPEND msg "#endif\n" )
2019-03-14 10:27:38 +00:00
endif ( )
2018-12-11 15:02:39 +00:00
string ( APPEND __QtFeature_public_extra "${msg}" )
2018-10-24 13:20:27 +00:00
endif ( )
set ( __QtFeature_public_extra ${ __QtFeature_public_extra } PARENT_SCOPE )
endfunction ( )
2018-12-11 15:02:39 +00:00
function ( qt_extra_definition name value )
qt_parse_all_arguments ( arg "qt_extra_definition" "PUBLIC;PRIVATE" "" "" ${ ARGN } )
2018-10-24 13:20:27 +00:00
2018-12-11 15:02:39 +00:00
if ( arg_PUBLIC )
string ( APPEND __QtFeature_public_extra "\n#define ${name} ${value}\n" )
elseif ( arg_PRIVATE )
string ( APPEND __QtFeature_private_extra "\n#define ${name} ${value}\n" )
2018-10-24 13:20:27 +00:00
endif ( )
set ( __QtFeature_public_extra ${ __QtFeature_public_extra } PARENT_SCOPE )
set ( __QtFeature_private_extra ${ __QtFeature_private_extra } PARENT_SCOPE )
endfunction ( )
2018-12-11 15:02:39 +00:00
function ( qt_internal_generate_feature_line line feature )
if ( QT_FEATURE_ ${ feature } STREQUAL "ON" )
set ( line "#define QT_FEATURE_${feature} 1\n\n" PARENT_SCOPE )
elseif ( QT_FEATURE_ ${ feature } STREQUAL "OFF" )
set ( line "#define QT_FEATURE_${feature} -1\n\n" PARENT_SCOPE )
elseif ( QT_FEATURE_ ${ feature } STREQUAL "UNSET" )
set ( line "#define QT_FEATURE_${feature} 0\n\n" PARENT_SCOPE )
2018-10-24 13:20:27 +00:00
else ( )
2018-12-11 15:02:39 +00:00
message ( FATAL_ERROR "${feature} has unexpected value \" ${ QT_FEATURE_${feature } }\ "!" )
2018-10-24 13:20:27 +00:00
endif ( )
endfunction ( )
2018-12-11 15:02:39 +00:00
function ( qt_internal_feature_write_file file features extra )
message ( "Generating file ${file}." )
set ( contents "" )
foreach ( it ${ features } )
qt_internal_generate_feature_line ( line "${it}" )
string ( APPEND contents "${line}" )
2018-10-24 13:20:27 +00:00
endforeach ( )
2018-12-11 15:02:39 +00:00
string ( APPEND contents "${extra}" )
2018-10-24 13:20:27 +00:00
2018-12-11 15:02:39 +00:00
file ( GENERATE OUTPUT "${file}" CONTENT "${contents}" )
2018-10-24 13:20:27 +00:00
endfunction ( )
2020-02-24 14:06:30 +00:00
# Helper function which evaluates features from a given list of configure.cmake paths
# and creates the feature cache entries.
# Should not be used directly, unless features need to be available in a directory scope before the
# associated module evaluates the features.
# E.g. qtbase/src.pro needs access to Core features before src/corelib/CMakeLists.txt is parsed.
function ( qt_feature_evaluate_features list_of_paths )
qt_feature_module_begin ( ONLY_EVALUATE_FEATURES )
foreach ( path ${ list_of_paths } )
include ( "${path}" )
endforeach ( )
qt_feature_module_end ( ONLY_EVALUATE_FEATURES )
endfunction ( )
Implement developer / non-prefix builds
A non-prefix build is a build where you don't have to run
make install.
To do a non-prefix build, pass -DFEATURE_developer_build=ON when
invoking CMake on qtbase. Note that this of course also enables
developer build features (private tests, etc).
When doing a non-prefix build, the CMAKE_INSTALL_PREFIX cache variable
will point to the qtbase build directory.
Tests can be run without installing Qt (QPA plugins are picked up from
the build dir).
This patch stops installation of any files by forcing the
make "install" target be a no-op.
When invoking cmake on the qtsvg module (or any other module),
the CMAKE_INSTALL_PREFIX variable should be set to the qtbase build
directory.
The developer-build feature is propagated via the QtCore Config file,
so that when building other modules, you don't have to specify it
on the command line again.
As a result of the change, all libraries, plugins, tools, include dirs,
CMake Config files, CMake Targets files, Macro files, etc,
will be placed in the qtbase build directory, mimicking the file layout
of an installed Qt file layout.
Only examples and tests are kept in the separate module build
directories, which is equivalent to how qmake does it.
The following global variables contain paths for the
appropriate prefix or non prefix builds:
QT_BUILD_DIR, QT_INSTALL_DIR, QT_CONFIG_BUILD_DIR,
QT_CONFIG_INSTALL_DIR. These should be used by developers
when deciding where files should be placed.
All usages of install() are replaced by qt_install(), which has some
additional logic on how to handle associationg of CMake targets to
export names.
When installing files, some consideration should be taken if
qt_copy_or_install() needs to be used instead of qt_install(),
which takes care of copying files from the source dir to the build dir
when doing non-prefix builds.
Tested with qtbase and qtsvg, developer builds, non-developer builds
and static developer builds on Windows, Linux and macOS.
Task-number: QTBUG-75581
Change-Id: I0ed27fb6467662dd24fb23aee6b95dd2c9c4061f
Reviewed-by: Kevin Funk <kevin.funk@kdab.com>
Reviewed-by: Tobias Hunger <tobias.hunger@qt.io>
2019-05-08 12:45:41 +00:00
function ( qt_feature_module_end )
2020-02-24 14:06:30 +00:00
set ( flags ONLY_EVALUATE_FEATURES )
Implement developer / non-prefix builds
A non-prefix build is a build where you don't have to run
make install.
To do a non-prefix build, pass -DFEATURE_developer_build=ON when
invoking CMake on qtbase. Note that this of course also enables
developer build features (private tests, etc).
When doing a non-prefix build, the CMAKE_INSTALL_PREFIX cache variable
will point to the qtbase build directory.
Tests can be run without installing Qt (QPA plugins are picked up from
the build dir).
This patch stops installation of any files by forcing the
make "install" target be a no-op.
When invoking cmake on the qtsvg module (or any other module),
the CMAKE_INSTALL_PREFIX variable should be set to the qtbase build
directory.
The developer-build feature is propagated via the QtCore Config file,
so that when building other modules, you don't have to specify it
on the command line again.
As a result of the change, all libraries, plugins, tools, include dirs,
CMake Config files, CMake Targets files, Macro files, etc,
will be placed in the qtbase build directory, mimicking the file layout
of an installed Qt file layout.
Only examples and tests are kept in the separate module build
directories, which is equivalent to how qmake does it.
The following global variables contain paths for the
appropriate prefix or non prefix builds:
QT_BUILD_DIR, QT_INSTALL_DIR, QT_CONFIG_BUILD_DIR,
QT_CONFIG_INSTALL_DIR. These should be used by developers
when deciding where files should be placed.
All usages of install() are replaced by qt_install(), which has some
additional logic on how to handle associationg of CMake targets to
export names.
When installing files, some consideration should be taken if
qt_copy_or_install() needs to be used instead of qt_install(),
which takes care of copying files from the source dir to the build dir
when doing non-prefix builds.
Tested with qtbase and qtsvg, developer builds, non-developer builds
and static developer builds on Windows, Linux and macOS.
Task-number: QTBUG-75581
Change-Id: I0ed27fb6467662dd24fb23aee6b95dd2c9c4061f
Reviewed-by: Kevin Funk <kevin.funk@kdab.com>
Reviewed-by: Tobias Hunger <tobias.hunger@qt.io>
2019-05-08 12:45:41 +00:00
set ( options OUT_VAR_PREFIX )
set ( multiopts )
cmake_parse_arguments ( arg "${flags}" "${options}" "${multiopts}" ${ ARGN } )
set ( target ${ arg_UNPARSED_ARGUMENTS } )
# The value of OUT_VAR_PREFIX is used as a prefix for output variables that should be
# set in the parent scope.
if ( NOT arg_OUT_VAR_PREFIX )
set ( arg_OUT_VAR_PREFIX "" )
endif ( )
2019-03-20 16:36:25 +00:00
set ( all_features ${ __QtFeature_public_features } ${ __QtFeature_private_features } ${ __QtFeature_internal_features } )
2018-10-24 13:20:27 +00:00
list ( REMOVE_DUPLICATES all_features )
foreach ( feature ${ all_features } )
qt_evaluate_feature ( ${ feature } )
endforeach ( )
2019-04-08 15:23:57 +00:00
# Evaluate custom cache assignments.
foreach ( cache_var_name ${ __QtFeature_custom_enabled_cache_variables } )
set ( ${ cache_var_name } ON CACHE BOOL "Force enabled by platform." FORCE )
endforeach ( )
foreach ( cache_var_name ${ __QtFeature_custom_disabled_cache_variables } )
set ( ${ cache_var_name } OFF CACHE BOOL "Force disabled by platform." FORCE )
endforeach ( )
2018-10-24 13:20:27 +00:00
set ( enabled_public_features "" )
set ( disabled_public_features "" )
set ( enabled_private_features "" )
set ( disabled_private_features "" )
foreach ( feature ${ __QtFeature_public_features } )
if ( QT_FEATURE_ ${ feature } )
list ( APPEND enabled_public_features ${ feature } )
else ( )
list ( APPEND disabled_public_features ${ feature } )
endif ( )
endforeach ( )
foreach ( feature ${ __QtFeature_private_features } )
if ( QT_FEATURE_ ${ feature } )
list ( APPEND enabled_private_features ${ feature } )
else ( )
list ( APPEND disabled_private_features ${ feature } )
endif ( )
endforeach ( )
Export non-private and non-public features and CONFIG values
Before we only exported features that had outputType PUBLIC or PRIVATE
on the various "QT_ENABLED_PUBLIC_FEATURES" target properties.
Now we also export features that have output type privateConfig,
publicConfig and publicQtConfig.
The new properties names are:
- QT_QMAKE_PUBLIC_CONFIG for outputType == publicConfig
- QT_QMAKE_PRIVATE_CONFIG for outputType == privateConfig
- QT_QMAKE_PUBLIC_QT_CONFIG for outputType == publicQtConfig
These need to be exported for 2 reasons:
- other modules that need to check the config values
- in preparation for generating proper qmake .prl and .pri
information for each module
Note that the config values are now considered actual features
when doing condition evaluation. So if there exists a feature "ssse3"
with outputType privateConfig, its enabled state can be checked via
QT_FEATURE_ssse3 in consuming modules (but not in the declaring
module).
These config values are also placed in the respective
QT_ENABLED_PUBLIC_FEATURES, QT_ENABLED_PRIVATE_FEATURES properties
when exporting a target, so the properties will now contain both
features and config values.
In order to make this work, feature name normalization has to happen
at CMake time, rather than done by the python script.
This means that features like "developer-build" need to retain the
dash in the qt_feature(), qt_feature_definition() and
qt_feature_config() calls, rather than generating "developer_build"
as the script did before.
The normalization is done at CMake time. Feature conditions,
CMake code, and -DFEATURE_foo=bar options passed on the command line
should still use the underscore version, but the original name is used
for the QT_QMAKE_PUBLIC_CONFIG properties.
Note that "c++11" like features are normalized to "cxx11".
Implementation wise, the configurejson2cmake script is adjusted to
parse these new output types.
Also QtBuild and QtFeature are adjusted to save the config values
in properties, and re-export them from GlobalConfig to Core.
Task-number: QTBUG-75666
Task-number: QTBUG-78178
Change-Id: Ibd4b152e372bdf2d09ed117644f2f2ac53ec5e75
Reviewed-by: Qt CMake Build Bot
Reviewed-by: Leander Beernaert <leander.beernaert@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2019-08-28 13:15:50 +00:00
foreach ( key ${ __QtFeature_config_definitions } )
qt_evaluate_qmake_config_values ( ${ key } )
unset ( ${ key } PARENT_SCOPE )
endforeach ( )
2019-03-14 10:27:38 +00:00
foreach ( key ${ __QtFeature_define_definitions } )
qt_evaluate_feature_definition ( ${ key } )
unset ( ${ key } PARENT_SCOPE )
endforeach ( )
2018-10-24 13:20:27 +00:00
foreach ( feature ${ all_features } )
2018-11-02 10:42:58 +00:00
unset ( _QT_FEATURE_DEFINITION_ ${ feature } PARENT_SCOPE )
2018-10-24 13:20:27 +00:00
endforeach ( )
2020-02-24 14:06:30 +00:00
if ( NOT arg_ONLY_EVALUATE_FEATURES )
qt_internal_feature_write_file ( "${CMAKE_CURRENT_BINARY_DIR}/${__QtFeature_private_file}"
" $ { _ _ Q t F e a t u r e _ p r i v a t e _ f e a t u r e s } " " $ { _ _ Q t F e a t u r e _ p r i v a t e _ e x t r a } "
)
2018-10-24 13:20:27 +00:00
2020-02-24 14:06:30 +00:00
qt_internal_feature_write_file ( "${CMAKE_CURRENT_BINARY_DIR}/${__QtFeature_public_file}"
" $ { _ _ Q t F e a t u r e _ p u b l i c _ f e a t u r e s } " " $ { _ _ Q t F e a t u r e _ p u b l i c _ e x t r a } "
)
endif ( )
Implement developer / non-prefix builds
A non-prefix build is a build where you don't have to run
make install.
To do a non-prefix build, pass -DFEATURE_developer_build=ON when
invoking CMake on qtbase. Note that this of course also enables
developer build features (private tests, etc).
When doing a non-prefix build, the CMAKE_INSTALL_PREFIX cache variable
will point to the qtbase build directory.
Tests can be run without installing Qt (QPA plugins are picked up from
the build dir).
This patch stops installation of any files by forcing the
make "install" target be a no-op.
When invoking cmake on the qtsvg module (or any other module),
the CMAKE_INSTALL_PREFIX variable should be set to the qtbase build
directory.
The developer-build feature is propagated via the QtCore Config file,
so that when building other modules, you don't have to specify it
on the command line again.
As a result of the change, all libraries, plugins, tools, include dirs,
CMake Config files, CMake Targets files, Macro files, etc,
will be placed in the qtbase build directory, mimicking the file layout
of an installed Qt file layout.
Only examples and tests are kept in the separate module build
directories, which is equivalent to how qmake does it.
The following global variables contain paths for the
appropriate prefix or non prefix builds:
QT_BUILD_DIR, QT_INSTALL_DIR, QT_CONFIG_BUILD_DIR,
QT_CONFIG_INSTALL_DIR. These should be used by developers
when deciding where files should be placed.
All usages of install() are replaced by qt_install(), which has some
additional logic on how to handle associationg of CMake targets to
export names.
When installing files, some consideration should be taken if
qt_copy_or_install() needs to be used instead of qt_install(),
which takes care of copying files from the source dir to the build dir
when doing non-prefix builds.
Tested with qtbase and qtsvg, developer builds, non-developer builds
and static developer builds on Windows, Linux and macOS.
Task-number: QTBUG-75581
Change-Id: I0ed27fb6467662dd24fb23aee6b95dd2c9c4061f
Reviewed-by: Kevin Funk <kevin.funk@kdab.com>
Reviewed-by: Tobias Hunger <tobias.hunger@qt.io>
2019-05-08 12:45:41 +00:00
# Extra header injections which have to have forwarding headers created by
# qt_install_injections.
2019-05-16 07:46:29 +00:00
# Skip creating forwarding headers if qt_feature_module_begin was called with NO_MODULE, aka
# there is no include/<module_name> so there's no place to put the forwarding headers.
if ( __QtFeature_library )
set ( injections "" )
qt_compute_injection_forwarding_header ( "${__QtFeature_library}"
S O U R C E " $ { _ _ Q t F e a t u r e _ p u b l i c _ f i l e } "
O U T _ V A R i n j e c t i o n s )
qt_compute_injection_forwarding_header ( "${__QtFeature_library}"
S O U R C E " $ { _ _ Q t F e a t u r e _ p r i v a t e _ f i l e } " P R I V A T E
O U T _ V A R i n j e c t i o n s )
set ( ${ arg_OUT_VAR_PREFIX } extra_library_injections ${ injections } PARENT_SCOPE )
endif ( )
2018-10-24 13:20:27 +00:00
2020-02-24 14:06:30 +00:00
if ( NOT ( "${target}" STREQUAL "NO_MODULE" ) AND NOT arg_ONLY_EVALUATE_FEATURES )
2019-02-12 11:00:49 +00:00
get_target_property ( targetType "${target}" TYPE )
if ( "${targetType}" STREQUAL "INTERFACE_LIBRARY" )
set ( propertyPrefix "INTERFACE_" )
else ( )
set ( propertyPrefix "" )
Export non-private and non-public features and CONFIG values
Before we only exported features that had outputType PUBLIC or PRIVATE
on the various "QT_ENABLED_PUBLIC_FEATURES" target properties.
Now we also export features that have output type privateConfig,
publicConfig and publicQtConfig.
The new properties names are:
- QT_QMAKE_PUBLIC_CONFIG for outputType == publicConfig
- QT_QMAKE_PRIVATE_CONFIG for outputType == privateConfig
- QT_QMAKE_PUBLIC_QT_CONFIG for outputType == publicQtConfig
These need to be exported for 2 reasons:
- other modules that need to check the config values
- in preparation for generating proper qmake .prl and .pri
information for each module
Note that the config values are now considered actual features
when doing condition evaluation. So if there exists a feature "ssse3"
with outputType privateConfig, its enabled state can be checked via
QT_FEATURE_ssse3 in consuming modules (but not in the declaring
module).
These config values are also placed in the respective
QT_ENABLED_PUBLIC_FEATURES, QT_ENABLED_PRIVATE_FEATURES properties
when exporting a target, so the properties will now contain both
features and config values.
In order to make this work, feature name normalization has to happen
at CMake time, rather than done by the python script.
This means that features like "developer-build" need to retain the
dash in the qt_feature(), qt_feature_definition() and
qt_feature_config() calls, rather than generating "developer_build"
as the script did before.
The normalization is done at CMake time. Feature conditions,
CMake code, and -DFEATURE_foo=bar options passed on the command line
should still use the underscore version, but the original name is used
for the QT_QMAKE_PUBLIC_CONFIG properties.
Note that "c++11" like features are normalized to "cxx11".
Implementation wise, the configurejson2cmake script is adjusted to
parse these new output types.
Also QtBuild and QtFeature are adjusted to save the config values
in properties, and re-export them from GlobalConfig to Core.
Task-number: QTBUG-75666
Task-number: QTBUG-78178
Change-Id: Ibd4b152e372bdf2d09ed117644f2f2ac53ec5e75
Reviewed-by: Qt CMake Build Bot
Reviewed-by: Leander Beernaert <leander.beernaert@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2019-08-28 13:15:50 +00:00
set_target_properties ( "${target}" PROPERTIES EXPORT_PROPERTIES "QT_ENABLED_PUBLIC_FEATURES;QT_DISABLED_PUBLIC_FEATURES;QT_ENABLED_PRIVATE_FEATURES;QT_DISABLED_PRIVATE_FEATURES;MODULE_PLUGIN_TYPES;QT_PLUGINS;QT_QMAKE_PUBLIC_CONFIG;QT_QMAKE_PRIVATE_CONFIG;QT_QMAKE_PUBLIC_QT_CONFIG" )
2019-02-12 11:00:49 +00:00
endif ( )
foreach ( visibility public private )
string ( TOUPPER "${visibility}" capitalVisibility )
foreach ( state enabled disabled )
string ( TOUPPER "${state}" capitalState )
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set_property ( TARGET "${target}" PROPERTY ${ propertyPrefix } QT_ ${ capitalState } _ ${ capitalVisibility } _FEATURES "${${state}_${visibility}_features}" )
endforeach ( )
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endforeach ( )
Export non-private and non-public features and CONFIG values
Before we only exported features that had outputType PUBLIC or PRIVATE
on the various "QT_ENABLED_PUBLIC_FEATURES" target properties.
Now we also export features that have output type privateConfig,
publicConfig and publicQtConfig.
The new properties names are:
- QT_QMAKE_PUBLIC_CONFIG for outputType == publicConfig
- QT_QMAKE_PRIVATE_CONFIG for outputType == privateConfig
- QT_QMAKE_PUBLIC_QT_CONFIG for outputType == publicQtConfig
These need to be exported for 2 reasons:
- other modules that need to check the config values
- in preparation for generating proper qmake .prl and .pri
information for each module
Note that the config values are now considered actual features
when doing condition evaluation. So if there exists a feature "ssse3"
with outputType privateConfig, its enabled state can be checked via
QT_FEATURE_ssse3 in consuming modules (but not in the declaring
module).
These config values are also placed in the respective
QT_ENABLED_PUBLIC_FEATURES, QT_ENABLED_PRIVATE_FEATURES properties
when exporting a target, so the properties will now contain both
features and config values.
In order to make this work, feature name normalization has to happen
at CMake time, rather than done by the python script.
This means that features like "developer-build" need to retain the
dash in the qt_feature(), qt_feature_definition() and
qt_feature_config() calls, rather than generating "developer_build"
as the script did before.
The normalization is done at CMake time. Feature conditions,
CMake code, and -DFEATURE_foo=bar options passed on the command line
should still use the underscore version, but the original name is used
for the QT_QMAKE_PUBLIC_CONFIG properties.
Note that "c++11" like features are normalized to "cxx11".
Implementation wise, the configurejson2cmake script is adjusted to
parse these new output types.
Also QtBuild and QtFeature are adjusted to save the config values
in properties, and re-export them from GlobalConfig to Core.
Task-number: QTBUG-75666
Task-number: QTBUG-78178
Change-Id: Ibd4b152e372bdf2d09ed117644f2f2ac53ec5e75
Reviewed-by: Qt CMake Build Bot
Reviewed-by: Leander Beernaert <leander.beernaert@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2019-08-28 13:15:50 +00:00
set_property ( TARGET "${target}"
P R O P E R T Y $ { p r o p e r t y P r e f i x } Q T _ Q M A K E _ P U B L I C _ C O N F I G
" $ { _ _ Q t F e a t u r e _ q m a k e _ p u b l i c _ c o n f i g } " )
set_property ( TARGET "${target}"
P R O P E R T Y $ { p r o p e r t y P r e f i x } Q T _ Q M A K E _ P R I V A T E _ C O N F I G
" $ { _ _ Q t F e a t u r e _ q m a k e _ p r i v a t e _ c o n f i g } " )
set_property ( TARGET "${target}"
P R O P E R T Y $ { p r o p e r t y P r e f i x } Q T _ Q M A K E _ P U B L I C _ Q T _ C O N F I G
" $ { _ _ Q t F e a t u r e _ q m a k e _ p u b l i c _ q t _ c o n f i g } " )
# Config values were the old-school features before actual configure.json features were
# implemented. Therefore "CONFIG+=foo" values should be considered features as well,
# so that CMake can find them when building qtmultimedia for example.
if ( __QtFeature_qmake_public_config )
set_property ( TARGET "${target}"
A P P E N D P R O P E R T Y $ { p r o p e r t y P r e f i x } Q T _ E N A B L E D _ P U B L I C _ F E A T U R E S
$ { _ _ Q t F e a t u r e _ q m a k e _ p u b l i c _ c o n f i g } )
endif ( )
if ( __QtFeature_qmake_private_config )
set_property ( TARGET "${target}"
A P P E N D P R O P E R T Y $ { p r o p e r t y P r e f i x } Q T _ E N A B L E D _ P R I V A T E _ F E A T U R E S
$ { _ _ Q t F e a t u r e _ q m a k e _ p r i v a t e _ c o n f i g } )
endif ( )
if ( __QtFeature_qmake_public_qt_config )
set_property ( TARGET "${target}"
A P P E N D P R O P E R T Y $ { p r o p e r t y P r e f i x } Q T _ E N A B L E D _ P U B L I C _ F E A T U R E S
$ { _ _ Q t F e a t u r e _ q m a k e _ p u b l i c _ q t _ c o n f i g } )
endif ( )
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qt_feature_copy_global_config_features_to_core ( ${ target } )
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endif ( )
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unset ( __QtFeature_library PARENT_SCOPE )
unset ( __QtFeature_public_features PARENT_SCOPE )
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unset ( __QtFeature_private_features PARENT_SCOPE )
unset ( __QtFeature_internal_features PARENT_SCOPE )
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unset ( __QtFeature_private_file PARENT_SCOPE )
unset ( __QtFeature_public_file PARENT_SCOPE )
unset ( __QtFeature_private_extra PARENT_SCOPE )
unset ( __QtFeature_public_extra PARENT_SCOPE )
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unset ( __QtFeature_define_definitions PARENT_SCOPE )
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unset ( __QtFeature_custom_enabled_features PARENT_SCOPE )
unset ( __QtFeature_custom_disabled_features PARENT_SCOPE )
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unset ( __QtFeature_only_evaluate_features PARENT_SCOPE )
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endfunction ( )
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function ( qt_feature_copy_global_config_features_to_core target )
# CMake doesn't support setting custom properties on exported INTERFACE libraries
# See https://gitlab.kitware.com/cmake/cmake/issues/19261.
# To circumvent that, copy the properties from GlobalConfig to Core target.
# This way the global features actually get set in the generated CoreTargets.cmake file.
if ( target STREQUAL Core )
foreach ( visibility public private )
string ( TOUPPER "${visibility}" capitalVisibility )
foreach ( state enabled disabled )
string ( TOUPPER "${state}" capitalState )
set ( core_property_name "QT_${capitalState}_${capitalVisibility}_FEATURES" )
set ( global_property_name "INTERFACE_${core_property_name}" )
get_property ( core_values TARGET Core PROPERTY ${ core_property_name } )
get_property ( global_values TARGET GlobalConfig PROPERTY ${ global_property_name } )
set ( total_values ${ core_values } ${ global_values } )
set_property ( TARGET Core PROPERTY ${ core_property_name } ${ total_values } )
endforeach ( )
endforeach ( )
Export non-private and non-public features and CONFIG values
Before we only exported features that had outputType PUBLIC or PRIVATE
on the various "QT_ENABLED_PUBLIC_FEATURES" target properties.
Now we also export features that have output type privateConfig,
publicConfig and publicQtConfig.
The new properties names are:
- QT_QMAKE_PUBLIC_CONFIG for outputType == publicConfig
- QT_QMAKE_PRIVATE_CONFIG for outputType == privateConfig
- QT_QMAKE_PUBLIC_QT_CONFIG for outputType == publicQtConfig
These need to be exported for 2 reasons:
- other modules that need to check the config values
- in preparation for generating proper qmake .prl and .pri
information for each module
Note that the config values are now considered actual features
when doing condition evaluation. So if there exists a feature "ssse3"
with outputType privateConfig, its enabled state can be checked via
QT_FEATURE_ssse3 in consuming modules (but not in the declaring
module).
These config values are also placed in the respective
QT_ENABLED_PUBLIC_FEATURES, QT_ENABLED_PRIVATE_FEATURES properties
when exporting a target, so the properties will now contain both
features and config values.
In order to make this work, feature name normalization has to happen
at CMake time, rather than done by the python script.
This means that features like "developer-build" need to retain the
dash in the qt_feature(), qt_feature_definition() and
qt_feature_config() calls, rather than generating "developer_build"
as the script did before.
The normalization is done at CMake time. Feature conditions,
CMake code, and -DFEATURE_foo=bar options passed on the command line
should still use the underscore version, but the original name is used
for the QT_QMAKE_PUBLIC_CONFIG properties.
Note that "c++11" like features are normalized to "cxx11".
Implementation wise, the configurejson2cmake script is adjusted to
parse these new output types.
Also QtBuild and QtFeature are adjusted to save the config values
in properties, and re-export them from GlobalConfig to Core.
Task-number: QTBUG-75666
Task-number: QTBUG-78178
Change-Id: Ibd4b152e372bdf2d09ed117644f2f2ac53ec5e75
Reviewed-by: Qt CMake Build Bot
Reviewed-by: Leander Beernaert <leander.beernaert@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2019-08-28 13:15:50 +00:00
set ( config_property_names
Q T _ Q M A K E _ P U B L I C _ C O N F I G Q T _ Q M A K E _ P R I V A T E _ C O N F I G Q T _ Q M A K E _ P U B L I C _ Q T _ C O N F I G )
foreach ( property_name ${ config_property_names } )
set ( core_property_name "${property_name}" )
set ( global_property_name "INTERFACE_${core_property_name}" )
get_property ( core_values TARGET Core PROPERTY ${ core_property_name } )
get_property ( global_values TARGET GlobalConfig PROPERTY ${ global_property_name } )
set ( total_values ${ core_values } ${ global_values } )
set_property ( TARGET Core PROPERTY ${ core_property_name } ${ total_values } )
endforeach ( )
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endif ( )
endfunction ( )
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function ( qt_config_compile_test name )
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if ( DEFINED "TEST_${name}" )
return ( )
endif ( )
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cmake_parse_arguments ( arg "" "LABEL;PROJECT_PATH;C_STANDARD;CXX_STANDARD"
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" C O M P I L E _ O P T I O N S ; L I B R A R I E S ; C O D E ; P A C K A G E S " $ { A R G N } )
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if ( arg_PROJECT_PATH )
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message ( STATUS "Performing Test ${arg_LABEL}" )
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set ( flags "" )
qt_get_platform_try_compile_vars ( platform_try_compile_vars )
list ( APPEND flags ${ platform_try_compile_vars } )
# If the repo has its own cmake modules, include those in the module path, so that various
# find_package calls work.
if ( EXISTS "${PROJECT_SOURCE_DIR}/cmake" )
list ( APPEND flags "-DCMAKE_MODULE_PATH:STRING=${PROJECT_SOURCE_DIR}/cmake" )
endif ( )
# Pass which packages need to be found.
if ( arg_PACKAGES )
set ( packages_list "" )
# Parse the package names, version, etc. An example would be:
# PACKAGE Foo 6 REQUIRED
# PACKAGE Bar 2 COMPONENTS Baz
foreach ( p ${ arg_PACKAGES } )
if ( p STREQUAL PACKAGE )
if ( package_entry )
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# Encode the ";" into "\;" to separate the arguments of a find_package call.
string ( REPLACE ";" "\\;" package_entry_string "${package_entry}" )
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list ( APPEND packages_list "${package_entry_string}" )
endif ( )
set ( package_entry "" )
else ( )
list ( APPEND package_entry "${p}" )
endif ( )
endforeach ( )
# Parse final entry.
if ( package_entry )
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string ( REPLACE ";" "\\;" package_entry_string "${package_entry}" )
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list ( APPEND packages_list "${package_entry_string}" )
endif ( )
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# Encode the ";" again.
string ( REPLACE ";" "\\;" packages_list "${packages_list}" )
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# The flags are separated by ';', the find_package entries by '\;',
# and the package parts of an entry by '\\;'.
2020-04-02 08:33:04 +00:00
# Example:
# WrapFoo\\;6\\;COMPONENTS\\;bar\;WrapBaz\\;5
list ( APPEND flags "-DQT_CONFIG_COMPILE_TEST_PACKAGES:STRING=${packages_list}" )
# Inside the project, the value of QT_CONFIG_COMPILE_TEST_PACKAGES is used in a foreach
# loop that calls find_package() for each package entry, and thus the variable expansion
# ends up calling something like find_package(WrapFoo;6;COMPONENTS;bar) aka
# find_package(WrapFoo 6 COMPONENTS bar).
endif ( )
# Pass which libraries need to be linked against.
if ( arg_LIBRARIES )
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set ( link_flags "" )
set ( library_targets "" )
# Separate targets from link flags or paths. This is to prevent configuration failures
# when the targets are not found due to missing packages.
foreach ( lib ${ arg_LIBRARIES } )
string ( FIND "${lib}" "::" is_library_target )
if ( is_library_target EQUAL -1 )
list ( APPEND link_flags "${lib}" )
else ( )
list ( APPEND library_targets "${lib}" )
endif ( )
endforeach ( )
if ( link_flags )
list ( APPEND flags "-DQT_CONFIG_COMPILE_TEST_LIBRARIES:STRING=${link_flags}" )
endif ( )
if ( library_targets )
list ( APPEND flags
" - D Q T _ C O N F I G _ C O M P I L E _ T E S T _ L I B R A R Y _ T A R G E T S : S T R I N G = $ { l i b r a r y _ t a r g e t s } " )
endif ( )
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endif ( )
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try_compile ( HAVE_ ${ name } "${CMAKE_BINARY_DIR}/config.tests/${name}" "${arg_PROJECT_PATH}"
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" $ { n a m e } " C M A K E _ F L A G S $ { f l a g s } )
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if ( ${ HAVE_${name } } )
set ( status_label "Success" )
else ( )
set ( status_label "Failed" )
endif ( )
message ( STATUS "Performing Test ${arg_LABEL} - ${status_label}" )
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else ( )
foreach ( library IN ITEMS ${ arg_LIBRARIES } )
if ( NOT TARGET "${library}" )
# If the dependency looks like a cmake target, then make this compile test
# fail instead of cmake abort later via CMAKE_REQUIRED_LIBRARIES.
string ( FIND "${library}" "::" cmake_target_namespace_separator )
if ( NOT cmake_target_namespace_separator EQUAL -1 )
set ( HAVE_ ${ name } FALSE )
break ( )
endif ( )
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endif ( )
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endforeach ( )
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if ( NOT DEFINED HAVE_ ${ name } )
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set ( _save_CMAKE_C_STANDARD "${CMAKE_C_STANDARD}" )
set ( _save_CMAKE_CXX_STANDARD "${CMAKE_CXX_STANDARD}" )
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set ( _save_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}" )
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if ( arg_C_STANDARD )
set ( CMAKE_C_STANDARD "${arg_C_STANDARD}" )
endif ( )
if ( arg_CXX_STANDARD )
set ( CMAKE_CXX_STANDARD "${arg_CXX_STANDARD}" )
endif ( )
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set ( CMAKE_REQUIRED_FLAGS ${ arg_COMPILE_OPTIONS } )
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# For MSVC we need to explicitly pass -Zc:__cplusplus to get correct __cplusplus
# define values. According to common/msvc-version.conf the flag is supported starting
# with 1913.
# https://developercommunity.visualstudio.com/content/problem/139261/msvc-incorrectly-defines-cplusplus.html
# No support for the flag in upstream CMake as of 3.17.
# https://gitlab.kitware.com/cmake/cmake/issues/18837
if ( CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" AND MSVC_VERSION GREATER_EQUAL 1913 )
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list ( APPEND CMAKE_REQUIRED_FLAGS "-Zc:__cplusplus" )
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endif ( )
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set ( _save_CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES}" )
set ( CMAKE_REQUIRED_LIBRARIES "${arg_LIBRARIES}" )
check_cxx_source_compiles ( "${arg_UNPARSED_ARGUMENTS} ${arg_CODE}" HAVE_ ${ name } )
set ( CMAKE_REQUIRED_LIBRARIES "${_save_CMAKE_REQUIRED_LIBRARIES}" )
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set ( CMAKE_C_STANDARD "${_save_CMAKE_C_STANDARD}" )
set ( CMAKE_CXX_STANDARD "${_save_CMAKE_CXX_STANDARD}" )
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set ( CMAKE_REQUIRED_FLAGS "${_save_CMAKE_REQUIRED_FLAGS}" )
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endif ( )
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endif ( )
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set ( TEST_ ${ name } "${HAVE_${name}}" CACHE INTERNAL "${arg_LABEL}" )
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endfunction ( )
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# This function should be used for passing required try compile platform variables to the
# project-based try_compile() call.
# out_var will be a list of -Dfoo=bar strings, suitable to pass to CMAKE_FLAGS.
function ( qt_get_platform_try_compile_vars out_var )
# Use the regular variables that are used for source-based try_compile() calls.
set ( flags "${CMAKE_TRY_COMPILE_PLATFORM_VARIABLES}" )
# Pass toolchain files.
if ( CMAKE_TOOLCHAIN_FILE )
list ( APPEND flags "CMAKE_TOOLCHAIN_FILE" )
endif ( )
if ( VCPKG_CHAINLOAD_TOOLCHAIN_FILE )
list ( APPEND flags "VCPKG_CHAINLOAD_TOOLCHAIN_FILE" )
endif ( )
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# Pass language standard flags.
list ( APPEND flags "CMAKE_C_STANDARD" )
list ( APPEND flags "CMAKE_CXX_STANDARD" )
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# Assemble the list with regular options.
set ( flags_cmd_line "" )
foreach ( flag ${ flags } )
if ( ${ flag } )
list ( APPEND flags_cmd_line "-D${flag}=${${flag}}" )
endif ( )
endforeach ( )
# Pass darwin specific options.
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if ( UIKIT )
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if ( CMAKE_OSX_ARCHITECTURES )
list ( GET CMAKE_OSX_ARCHITECTURES 0 osx_first_arch )
# Do what qmake does, aka when doing a simulator_and_device build, build the
# target architecture test only with the first given architecture, which should be the
# device architecture, aka some variation of "arm" (armv7, arm64).
list ( APPEND flags_cmd_line "-DCMAKE_OSX_ARCHITECTURES:STRING=${osx_first_arch}" )
endif ( )
# Also specify the sysroot, but only if not doing a simulator_and_device build.
# So keep the sysroot empty for simulator_and_device builds.
if ( QT_UIKIT_SDK )
list ( APPEND flags_cmd_line "-DCMAKE_OSX_SYSROOT:STRING=${QT_UIKIT_SDK}" )
endif ( )
endif ( )
set ( "${out_var}" "${flags_cmd_line}" PARENT_SCOPE )
endfunction ( )
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function ( qt_config_compile_test_x86simd extension label )
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if ( DEFINED TEST_X86SIMD_ ${ extension } )
return ( )
endif ( )
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set ( flags "-DSIMD:string=${extension}" )
qt_get_platform_try_compile_vars ( platform_try_compile_vars )
list ( APPEND flags ${ platform_try_compile_vars } )
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message ( STATUS "Performing SIMD Test ${label}" )
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try_compile ( "TEST_X86SIMD_${extension}"
" $ { C M A K E _ C U R R E N T _ B I N A R Y _ D I R } / c o n f i g . t e s t s / x 8 6 _ s i m d _ $ { e x t e n s i o n } "
" $ { C M A K E _ C U R R E N T _ S O U R C E _ D I R } / c o n f i g . t e s t s / x 8 6 _ s i m d "
x 8 6 _ s i m d
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C M A K E _ F L A G S $ { f l a g s } )
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if ( ${ TEST_X86SIMD_${extension } } )
set ( status_label "Success" )
else ( )
set ( status_label "Failed" )
endif ( )
message ( STATUS "Performing SIMD Test ${label} - ${status_label}" )
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set ( TEST_subarch_ ${ extension } "${TEST_X86SIMD_${extension}}" CACHE INTERNAL "${label}" )
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endfunction ( )
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function ( qt_make_features_available target )
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if ( NOT "${target}" MATCHES "^${QT_CMAKE_EXPORT_NAMESPACE}::[a-zA-Z][a-zA-Z0-9_-]*$" )
message ( FATAL_ERROR "${target} does not match ${QT_CMAKE_EXPORT_NAMESPACE}::[a-zA-Z][a-zA-Z0-9_-]*. INVALID NAME." )
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endif ( )
if ( NOT TARGET ${ target } )
message ( FATAL_ERROR "${target} not found." )
endif ( )
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get_target_property ( target_type "${target}" TYPE )
if ( "${target_type}" STREQUAL "INTERFACE_LIBRARY" )
set ( property_prefix "INTERFACE_" )
else ( )
set ( property_prefix "" )
endif ( )
foreach ( visibility IN ITEMS PUBLIC PRIVATE )
set ( value ON )
foreach ( state IN ITEMS ENABLED DISABLED )
get_target_property ( features "${target}" ${ property_prefix } QT_ ${ state } _ ${ visibility } _FEATURES )
if ( "${features}" STREQUAL "features-NOTFOUND" )
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continue ( )
endif ( )
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foreach ( feature IN ITEMS ${ features } )
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if ( DEFINED "QT_FEATURE_${feature}" AND NOT "${QT_FEATURE_${feature}}" STREQUAL "${value}" )
message ( FATAL_ERROR "Feature ${feature} is already defined and has a different value when importing features from ${target}." )
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endif ( )
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set ( QT_FEATURE_ ${ feature } "${value}" CACHE INTERNAL "Qt feature: ${feature} (from target ${target})" )
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endforeach ( )
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set ( value OFF )
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endforeach ( )
endforeach ( )
endfunction ( )
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