47320dd0ab
Jam comparison logic is string-based, and so was detecting GCC >= 10 as being < 2. This rectifies that by removing the GCC version parsing from Jam logic entirely, and setting various BuildConfig variables instead. Change-Id: I0c0ae3b9002fb5e77f9ca7a78600c91871657f03 Reviewed-on: https://review.haiku-os.org/c/haiku/+/3293 Reviewed-by: Adrien Destugues <pulkomandy@gmail.com> Reviewed-by: Jérôme Duval <jerome.duval@gmail.com> Reviewed-by: Alex von Gluck IV <kallisti5@unixzen.com>
456 lines
14 KiB
Plaintext
456 lines
14 KiB
Plaintext
rule FQualifiedBuildFeatureName features
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{
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# FQualifiedBuildFeatureName <features>
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#
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# Prepends the name of the current target packaging architecture to the
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# given feature names.
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return $(TARGET_PACKAGING_ARCH):$(features) ;
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}
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rule FIsBuildFeatureEnabled feature
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{
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# FIsBuildFeatureEnabled <feature> ;
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# Returns whether the given build feature <feature> is enabled (if so: "1",
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# if not: empty list).
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#
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# <feature> - The name of the build feature (all lower case).
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feature = [ FQualifiedBuildFeatureName $(feature) ] ;
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return $(HAIKU_BUILD_FEATURE_$(feature:U)_ENABLED) ;
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}
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rule FMatchesBuildFeatures specification
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{
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# FMatchesBuildFeatures <specification> ;
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# Returns whether the given build feature specification <specification>
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# holds. <specification> consists of positive and negative build feature
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# conditions. Conditions can be individual list elements and multiple
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# conditions can be joined, separated by ",", in a single list element. The
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# effect is the same; they are considered as single set of conditions.
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# A positive condition does not start with a "!". It holds when the build
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# feature named by the element is enabled.
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# A negative condition starts with a "!". It holds when the build feature
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# named by the string resulting from removing the leading "!" is not
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# enabled.
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# <specification> holds when it is not empty and
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# * none of the negative conditions it contains hold and
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# * if it contains any positive conditions, at least one one of them holds.
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#
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# <specification> - The build feature specification. A list of individual
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# conditions or conditions joined by ",".
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local splitSpecification ;
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local element ;
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for element in $(specification) {
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splitSpecification += [ FSplitString $(element) : "," ] ;
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}
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return [ FConditionsHold $(splitSpecification) : FIsBuildFeatureEnabled ] ;
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}
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rule FFilterByBuildFeatures list
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{
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# FFilterByBuildFeatures <list> ;
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# Filters the list annotated by build feature specifications and returns the
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# resulting list. The list can be annotated in two different ways:
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# * A single list element can be annotated by appending "@<specification>"
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# to it, with <specification> being a build feature specification (a
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# single comma-separated string). The element appears in the resulting
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# list, only if <specification> holds.
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# * A sublist can be annotated by enclosing it in "<specification> @{" (two
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# separate list elements) and "}@", with <specification> being a build
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# feature specification (a single comma-separated string). The enclosed
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# sublist appears in the resulting list, only if <specification> holds.
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# The sublist annotations can be nested. The annotations themselves don't
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# appear in the resulting list.
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#
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# <list> - A list annotated with build feature specifications.
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local filteredList ;
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# Since we must look ahead one element to be able to decide whether an
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# element is a regular list element or a features specification for a
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# subsequent "@{". Hence we always process an element other than "@{" and
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# "}@" in the next iteration. We append a dummy element to the list so we
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# don't need special handling for the last element.
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local evaluationStack = 1 ;
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local previousElement ;
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local element ;
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for element in $(list) dummy {
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local stackTop = $(evaluationStack[1]) ;
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local processElement = $(previousElement) ;
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switch $(element) {
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case }@ :
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{
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# Pop the topmost specification off the stack.
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evaluationStack = $(evaluationStack[2-]) ;
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if ! $(evaluationStack) {
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Exit "FFilterByBuildFeatures: Unbalanced @{ in: " $(list) ;
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}
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processElement = $(previousElement) ;
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previousElement = ;
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}
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case @{ :
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{
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if ! $(previousElement) {
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Exit "FFilterByBuildFeatures: No feature specification"
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"after }@ in: " $(list) ;
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}
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if $(evaluationStack[1]) = 1
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&& [ FMatchesBuildFeatures $(previousElement) ] {
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evaluationStack = 1 $(evaluationStack) ;
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} else {
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evaluationStack = 0 $(evaluationStack) ;
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}
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processElement = ;
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previousElement = ;
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}
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case * :
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{
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processElement = $(previousElement) ;
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previousElement = $(element) ;
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}
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}
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if $(processElement) && $(stackTop) = 1 {
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local splitElement = [ Match "(.*)@([^@]*)" : $(processElement) ] ;
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if $(splitElement) {
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if [ FMatchesBuildFeatures $(splitElement[2]) ] {
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filteredList += $(splitElement[1]) ;
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}
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} else {
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filteredList += $(processElement) ;
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}
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}
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}
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if $(evaluationStack[2-]) {
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Exit "FFilterByBuildFeatures: Unbalanced )@ in: " $(list) ;
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}
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return $(filteredList) ;
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}
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rule EnableBuildFeatures features : specification
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{
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# EnableBuildFeatures <features> : <specification> ;
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# Enables the build features <features>, if the build features specification
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# <specification> holds. If <specification> is omitted, the features are
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# enabled unconditionally.
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# The rule enables a build feature by adding its given lower case name to
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# the build variable HAIKU_BUILD_FEATURES and defining a build variable
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# HAIKU_BUILD_FEATURE_<FEATURE>_ENABLED (<FEATURE> being the upper case name
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# of the build feature) to "1".
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#
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# <features> - A list of build feature names (lower case).
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# <specification> - An optional build features specification (cf.
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# FMatchesBuildFeatures).
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features = [ FQualifiedBuildFeatureName $(features) ] ;
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local feature ;
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for feature in $(features) {
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if ! $(HAIKU_BUILD_FEATURE_$(feature:U)_ENABLED)
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&& ( ! $(specification)
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|| [ FMatchesBuildFeatures $(specification) ] ) {
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HAIKU_BUILD_FEATURES += $(feature) ;
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HAIKU_BUILD_FEATURE_$(feature:U)_ENABLED = 1 ;
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}
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}
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}
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rule BuildFeatureObject feature
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{
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# BuildFeatureObject <feature> ;
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# Returns a unique object for the given build feature. It is used for
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# attaching attribute values to it.
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feature = [ FQualifiedBuildFeatureName $(feature) ] ;
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local featureObject = $(HAIKU_BUILD_FEATURE_$(feature:U)) ;
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if ! $(featureObject) {
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featureObject = [ NewUniqueTarget ] ;
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HAIKU_BUILD_FEATURE_$(feature:U) = $(featureObject) ;
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}
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return $(featureObject) ;
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}
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rule SetBuildFeatureAttribute feature : attribute : values : package
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{
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# SetBuildFeatureAttribute <feature> : <attribute> : <values>
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# [ : <package> ] ;
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# Sets attribute <attribute> of a build feature <feature> to value <values>.
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# If <package> is specified, it names the package the attribute belongs to.
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local featureObject = [ BuildFeatureObject $(feature) ] ;
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HAIKU_ATTRIBUTE_$(attribute) on $(featureObject) = $(values) ;
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if $(package) {
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HAIKU_ATTRIBUTE_$(attribute):package on $(featureObject) = $(package) ;
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}
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}
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rule BuildFeatureAttribute feature : attribute : flags
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{
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# BuildFeatureAttribute <feature> : <attribute> [ : <flags> ] ;
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# Returns the value of attribute <attribute> of a build feature <feature>.
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# Flags can be a list of flags which influence the returned value. Currently
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# only flag "path" is defined, which will convert the attribute value --
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# which is assumed to be a list of (gristed) targets with a path relative to
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# the extraction directory of the build feature archive files -- to paths.
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# A typical example is the "headers" attribute, whose value can be used as
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# dependency, but which must be converted to a path to be a valid headers
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# search path.
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local featureObject = [ BuildFeatureObject $(feature) ] ;
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local values
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= [ on $(featureObject) return $(HAIKU_ATTRIBUTE_$(attribute)) ] ;
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if path in $(flags) {
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# get the attribute's package and the corresponding extraction dir
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local package
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= [ BuildFeatureAttribute $(feature) : $(attribute):package ] ;
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local directory ;
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if $(package) {
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directory = [ BuildFeatureAttribute $(feature)
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: $(package):directory ] ;
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}
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# translate the values
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local paths ;
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local value ;
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for value in $(values:G=) {
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paths += [ FDirName $(directory) $(value) ] ;
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}
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values = $(paths) ;
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}
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return $(values) ;
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}
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rule ExtractBuildFeatureArchivesExpandValue value : fileName
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{
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if ! $(value) {
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return $(value) ;
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}
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# split the value
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local splitValue ;
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while $(value) {
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local components = [ Match "([^%]*)(%[^%]*%)(.*)" : $(value) ] ;
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if ! $(components) {
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splitValue += $(value) ;
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break ;
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}
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if $(components[1]) {
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splitValue += $(components[1]) ;
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}
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splitValue += $(components[2]) ;
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value = $(components[3]) ;
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}
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# reassemble the value, performing the substitutions
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local %packageName% ;
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local %portName% ;
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local %packageFullVersion% ;
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value = "" ;
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while $(splitValue) {
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local component = $(splitValue[1]) ;
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splitValue = $(splitValue[2-]) ;
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switch $(component) {
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case %packageRevisionedName% :
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splitValue = %packageName% "-" %packageFullVersion%
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$(splitValue) ;
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case %portRevisionedName% :
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splitValue = %portName% "-" %packageFullVersion% $(splitValue) ;
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case %*% :
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if ! x$(%packageName%) {
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# extract package name and version from file name
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local splitName
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= [ Match "([^-]*)-(.*).hpkg" : $(fileName) ] ;
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if $(splitName) {
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%packageName% = $(splitName[1]) ;
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%packageFullVersion%
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= [ Match "([^-]*-[^-]*)-.*" : $(splitName[2]) ] ;
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if ! $(packageFullVersion%) {
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packageFullVersion% = $(splitName[2]) ;
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}
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} else {
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%packageName% = [ Match "(.*).hpkg" : $(fileName) ] ;
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if ! $(%packageName%) {
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%packageName% = $(fileName) ;
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}
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%packageFullVersion% = "" ;
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}
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# get the port name from the package name
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splitName = [ FSplitPackageName $(%packageName%) ] ;
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%portName% = $(splitName[1]) ;
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}
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value = "$(value)$($(component):E=)" ;
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case * :
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value = "$(value)$(component)" ;
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}
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}
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return $(value) ;
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}
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rule ExtractBuildFeatureArchives feature : list
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{
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# ExtractBuildFeatureArchives <feature> : <list> ;
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# Downloads and extracts one or more archives for build feature <feature>
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# and sets attributes for the build feature to extracted entries. The syntax
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# for <list> is:
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# "file:" <packageAlias> <packageName>
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# <attribute>: <value> ...
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# ...
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# "file:" <packageAlias2> <packageName2>
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# ...
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#
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# <packageAlias> specifies a short name for the archive (e.g. "base" for the
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# base package, "devel" for the development package, etc.), <packageName>
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# the unversioned name of the package (e.g. "libsolv_devel").
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# <attribute> can be any name and <value> any relative path in the
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# extraction directory. The following placeholders in <value> will be
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# replaced with the respective value:
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# * %packageName% is replaced with the name of the package as extracted from
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# the package file name (may differ from the specified package name e.g.
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# for bootstrap packages).
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# * %portName% is replaced with the name of the port the package belongs to.
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# That is %packageName% with any well-known package type suffix ("_devel",
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# "_source", etc.) removed.
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# * %packageFullVersion% is replaced with the the full version string of the
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# package (i.e. including the revision) as extracted frmo the package file
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# name.
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# * %packageRevisionedName% is replaced with what
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# %packageName%-%packageFullVersion% would be replaced.
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# * %portRevisionedName% is replaced with what
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# %portName%-%packageFullVersion% would be replaced.
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#
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# The attribute with the name "depends" will be handled specially. Its
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# <value> specifies the name of a package the current package depends on
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# (e.g. "devel" typically depends on "base"). If such a dependency is
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# specified the current package will be extracted to the same directory as
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# the package it depends on. The "depends" attribute must precede any other
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# attribute for the package.
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#
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# The rule also sets the build feature attribute "<packageAlias>:directory"
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# to the extraction directory for each package.
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local qualifiedFeature = [ FQualifiedBuildFeatureName $(feature) ] ;
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list = [ FFilterByBuildFeatures $(list) ] ;
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while $(list) {
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if $(list[1]) != file: {
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Exit "ExtractBuildFeatureArchives: Expected \"file: ...\", got:"
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$(list) ;
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}
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local package = $(list[2]) ;
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local file = [ FetchPackage $(list[3]) ] ;
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local fileName = $(file:BS) ;
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list = $(list[4-]) ;
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local directory = [ FDirName $(HAIKU_OPTIONAL_BUILD_PACKAGES_DIR)
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$(fileName:B) ] ;
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directory = $(directory:G=$(package)) ;
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while $(list) {
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local attribute = [ Match "(.*):" : $(list[1]) ] ;
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if ! $(attribute) {
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Exit "ExtractBuildFeatureArchives: Expected attribute, got:"
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$(list) ;
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}
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if $(attribute) = file {
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break ;
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}
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list = $(list[2-]) ;
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local values ;
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while $(list) {
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switch $(list[1]) {
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case *: :
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{
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break ;
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}
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case * :
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{
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values += [ ExtractBuildFeatureArchivesExpandValue
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$(list[1]) : $(fileName) ] ;
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list = $(list[2-]) ;
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}
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}
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}
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if $(attribute) = depends {
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# Inherit the extraction directory (with a different grist) and
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# depend on the extraction directory of the base package.
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local basePackage = $(values[1]) ;
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local baseDirectory = [ BuildFeatureAttribute $(feature)
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: $(basePackage):directory ] ;
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directory = $(baseDirectory:G=$(package)) ;
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Depends $(directory) : $(directory:G=$(basePackage)) ;
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} else {
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SetBuildFeatureAttribute $(feature) : $(attribute)
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: [ ExtractArchive $(directory)
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: $(values) : $(file)
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: extracted-$(qualifiedFeature)-$(package) ] ;
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SetBuildFeatureAttribute $(feature) : $(attribute):package
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: $(package) ;
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}
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}
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SetBuildFeatureAttribute $(feature) : $(package):directory
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: $(directory:G=) ;
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}
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}
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rule InitArchitectureBuildFeatures architecture
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{
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# InitArchitectureBuildFeatures <architecture> ;
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#
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# Enable the build features that can be derived directly from the
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# architecture.
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# The build feature rule use TARGET_PACKAGING_ARCH, so set that temporarily.
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local savedArchitecture = $(TARGET_PACKAGING_ARCH) ;
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TARGET_PACKAGING_ARCH = $(architecture) ;
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# Add the target architecture as a build feature.
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EnableBuildFeatures $(TARGET_ARCH_$(architecture)) ;
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# For the primary architecture add the "primary" build feature.
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if $(architecture) = $(TARGET_PACKAGING_ARCHS[1]) {
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EnableBuildFeatures primary ;
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}
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# Add all secondary architectures as build features (with prefix).
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EnableBuildFeatures secondary_$(TARGET_PACKAGING_ARCHS[2-]) ;
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if $(TARGET_CC_IS_LEGACY_GCC_$(architecture)) = 1 {
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EnableBuildFeatures gcc2 ;
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}
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TARGET_PACKAGING_ARCH = $(savedArchitecture) ;
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}
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