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Commit 77acf2e5 authored by Chris Parsons's avatar Chris Parsons
Browse files

bp2build: split full_cc_library into shared/static 

Test: mixed_droid.sh in conjunction with rule changes
Test: bp2build.sh
Change-Id: If0577065fd39a0446eab16b62c15204d43207e19
parent 85c0097d

bazel/properties.go

+24 −8
Original line number Diff line number Diff line
@@ -385,9 +385,12 @@ func (ll labelListSelectValues) addSelects(label labelSelectValues) { 
	}

}



func (ll labelListSelectValues) appendSelects(other labelListSelectValues) {

func (ll labelListSelectValues) appendSelects(other labelListSelectValues, forceSpecifyEmptyList bool) {

	for k, v := range other {

		l := ll[k]

		if forceSpecifyEmptyList && l.IsNil() && !v.IsNil() {

			l.Includes = []Label{}

		}

		(&l).Append(v)

		ll[k] = l

	}
@@ -443,17 +446,22 @@ func (cll configurableLabelLists) setValueForAxis(axis ConfigurationAxis, config 
	cll[axis][config] = list

}



func (cll configurableLabelLists) Append(other configurableLabelLists) {

func (cll configurableLabelLists) Append(other configurableLabelLists, forceSpecifyEmptyList bool) {

	for axis, otherSelects := range other {

		selects := cll[axis]

		if selects == nil {

			selects = make(labelListSelectValues, len(otherSelects))

		}

		selects.appendSelects(otherSelects)

		selects.appendSelects(otherSelects, forceSpecifyEmptyList)

		cll[axis] = selects

	}

}



func (lla *LabelListAttribute) Clone() *LabelListAttribute {

	result := &LabelListAttribute{ForceSpecifyEmptyList: lla.ForceSpecifyEmptyList}

	return result.Append(*lla)

}



// MakeLabelListAttribute initializes a LabelListAttribute with the non-arch specific value.

func MakeLabelListAttribute(value LabelList) LabelListAttribute {

	return LabelListAttribute{
@@ -507,16 +515,18 @@ func (lla *LabelListAttribute) SortedConfigurationAxes() []ConfigurationAxis { 
}



// Append all values, including os and arch specific ones, from another

// LabelListAttribute to this LabelListAttribute.

func (lla *LabelListAttribute) Append(other LabelListAttribute) {

	if lla.ForceSpecifyEmptyList && !other.Value.IsNil() {

// LabelListAttribute to this LabelListAttribute. Returns this LabelListAttribute.

func (lla *LabelListAttribute) Append(other LabelListAttribute) *LabelListAttribute {

	forceSpecifyEmptyList := lla.ForceSpecifyEmptyList || other.ForceSpecifyEmptyList

	if forceSpecifyEmptyList && lla.Value.IsNil() && !other.Value.IsNil() {

		lla.Value.Includes = []Label{}

	}

	lla.Value.Append(other.Value)

	if lla.ConfigurableValues == nil {

		lla.ConfigurableValues = make(configurableLabelLists)

	}

	lla.ConfigurableValues.Append(other.ConfigurableValues)

	lla.ConfigurableValues.Append(other.ConfigurableValues, forceSpecifyEmptyList)

	return lla

}



// Add inserts the labels for each axis of LabelAttribute at the end of corresponding axis's
@@ -795,12 +805,18 @@ func (sla StringListAttribute) HasConfigurableValues() bool { 


// Append appends all values, including os and arch specific ones, from another

// StringListAttribute to this StringListAttribute

func (sla *StringListAttribute) Append(other StringListAttribute) {

func (sla *StringListAttribute) Append(other StringListAttribute) *StringListAttribute {

	sla.Value = append(sla.Value, other.Value...)

	if sla.ConfigurableValues == nil {

		sla.ConfigurableValues = make(configurableStringLists)

	}

	sla.ConfigurableValues.Append(other.ConfigurableValues)

	return sla

}



func (sla *StringListAttribute) Clone() *StringListAttribute {

	result := &StringListAttribute{}

	return result.Append(*sla)

}



// SetSelectValue set a value for a bazel select for the given axis, config and value.

bp2build/cc_library_conversion_test.go

+450 −391

File changed.

Preview size limit exceeded, changes collapsed.

cc/cc.go

+9 −1
Original line number Diff line number Diff line
@@ -1713,7 +1713,15 @@ func (c *Module) setSubnameProperty(actx android.ModuleContext) { 


// Returns true if Bazel was successfully used for the analysis of this module.

func (c *Module) maybeGenerateBazelActions(actx android.ModuleContext) bool {

	bazelModuleLabel := c.GetBazelLabel(actx, c)

	var bazelModuleLabel string

	if actx.ModuleType() == "cc_library" && c.static() {

		// cc_library is a special case in bp2build; two targets are generated -- one for each

		// of the shared and static variants. The shared variant keeps the module name, but the

		// static variant uses a different suffixed name.

		bazelModuleLabel = bazelLabelForStaticModule(actx, c)

	} else {

		bazelModuleLabel = c.GetBazelLabel(actx, c)

	}

	bazelActionsUsed := false

	// Mixed builds mode is disabled for modules outside of device OS.

	// TODO(b/200841190): Support non-device OS in mixed builds.

cc/library.go

+72 −33
Original line number Diff line number Diff line
@@ -313,24 +313,63 @@ func CcLibraryBp2Build(ctx android.TopDownMutatorContext) { 
		asFlags = bazel.MakeStringListAttribute(nil)

	}



	attrs := &bazelCcLibraryAttributes{

		Srcs:    srcs,

		Srcs_c:  compilerAttrs.cSrcs,

		Srcs_as: compilerAttrs.asSrcs,

		Hdrs:    compilerAttrs.hdrs,

	staticCommonAttrs := staticOrSharedAttributes{

		Srcs:    *srcs.Clone().Append(staticAttrs.Srcs),

		Srcs_c:  *compilerAttrs.cSrcs.Clone().Append(staticAttrs.Srcs_c),

		Srcs_as: *compilerAttrs.asSrcs.Clone().Append(staticAttrs.Srcs_as),

		Copts:   *compilerAttrs.copts.Clone().Append(staticAttrs.Copts),

		Hdrs:    *compilerAttrs.hdrs.Clone().Append(staticAttrs.Hdrs),



		Deps:                              *linkerAttrs.deps.Clone().Append(staticAttrs.Deps),

		Implementation_deps:               *linkerAttrs.implementationDeps.Clone().Append(staticAttrs.Implementation_deps),

		Dynamic_deps:                      *linkerAttrs.dynamicDeps.Clone().Append(staticAttrs.Dynamic_deps),

		Implementation_dynamic_deps:       *linkerAttrs.implementationDynamicDeps.Clone().Append(staticAttrs.Implementation_dynamic_deps),

		Implementation_whole_archive_deps: linkerAttrs.implementationWholeArchiveDeps,

		Whole_archive_deps:                *linkerAttrs.wholeArchiveDeps.Clone().Append(staticAttrs.Whole_archive_deps),

		System_dynamic_deps:               *linkerAttrs.systemDynamicDeps.Clone().Append(staticAttrs.System_dynamic_deps),

	}



	sharedCommonAttrs := staticOrSharedAttributes{

		Srcs:    *srcs.Clone().Append(sharedAttrs.Srcs),

		Srcs_c:  *compilerAttrs.cSrcs.Clone().Append(sharedAttrs.Srcs_c),

		Srcs_as: *compilerAttrs.asSrcs.Clone().Append(sharedAttrs.Srcs_as),

		Copts:   *compilerAttrs.copts.Clone().Append(sharedAttrs.Copts),

		Hdrs:    *compilerAttrs.hdrs.Clone().Append(sharedAttrs.Hdrs),



		Deps:                        *linkerAttrs.deps.Clone().Append(sharedAttrs.Deps),

		Implementation_deps:         *linkerAttrs.implementationDeps.Clone().Append(sharedAttrs.Implementation_deps),

		Dynamic_deps:                *linkerAttrs.dynamicDeps.Clone().Append(sharedAttrs.Dynamic_deps),

		Implementation_dynamic_deps: *linkerAttrs.implementationDynamicDeps.Clone().Append(sharedAttrs.Implementation_dynamic_deps),

		Whole_archive_deps:          *linkerAttrs.wholeArchiveDeps.Clone().Append(sharedAttrs.Whole_archive_deps),

		System_dynamic_deps:         *linkerAttrs.systemDynamicDeps.Clone().Append(sharedAttrs.System_dynamic_deps),

	}



	staticTargetAttrs := &bazelCcLibraryStaticAttributes{

		staticOrSharedAttributes: staticCommonAttrs,



		Copts:      compilerAttrs.copts,

		Cppflags:   compilerAttrs.cppFlags,

		Conlyflags: compilerAttrs.conlyFlags,

		Asflags:    asFlags,



		Implementation_deps:               linkerAttrs.implementationDeps,

		Deps:                              linkerAttrs.deps,

		Implementation_dynamic_deps:       linkerAttrs.implementationDynamicDeps,

		Dynamic_deps:                      linkerAttrs.dynamicDeps,

		Whole_archive_deps:                linkerAttrs.wholeArchiveDeps,

		Implementation_whole_archive_deps: linkerAttrs.implementationWholeArchiveDeps,

		System_dynamic_deps:               linkerAttrs.systemDynamicDeps,

		Export_includes:        exportedIncludes.Includes,

		Export_system_includes: exportedIncludes.SystemIncludes,

		Local_includes:         compilerAttrs.localIncludes,

		Absolute_includes:      compilerAttrs.absoluteIncludes,

		Use_libcrt:             linkerAttrs.useLibcrt,

		Rtti:                   compilerAttrs.rtti,

		Stl:                    compilerAttrs.stl,

		Cpp_std:                compilerAttrs.cppStd,

		C_std:                  compilerAttrs.cStd,



		Features: linkerAttrs.features,

	}



	sharedTargetAttrs := &bazelCcLibrarySharedAttributes{

		staticOrSharedAttributes: sharedCommonAttrs,

		Cppflags:                 compilerAttrs.cppFlags,

		Conlyflags:               compilerAttrs.conlyFlags,

		Asflags:                  asFlags,



		Export_includes:        exportedIncludes.Includes,

		Export_system_includes: exportedIncludes.SystemIncludes,

		Local_includes:         compilerAttrs.localIncludes,
@@ -352,20 +391,20 @@ func CcLibraryBp2Build(ctx android.TopDownMutatorContext) { 
			All:                          linkerAttrs.stripAll,

			None:                         linkerAttrs.stripNone,

		},



		Shared: sharedAttrs,



		Static: staticAttrs,



		Features: linkerAttrs.features,

	}



	props := bazel.BazelTargetModuleProperties{

		Rule_class:        "cc_library",

		Bzl_load_location: "//build/bazel/rules:full_cc_library.bzl",

	staticProps := bazel.BazelTargetModuleProperties{

		Rule_class:        "cc_library_static",

		Bzl_load_location: "//build/bazel/rules:cc_library_static.bzl",

	}

	sharedProps := bazel.BazelTargetModuleProperties{

		Rule_class:        "cc_library_shared",

		Bzl_load_location: "//build/bazel/rules:cc_library_shared.bzl",

	}



	ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: m.Name()}, attrs)

	ctx.CreateBazelTargetModule(staticProps, android.CommonAttributes{Name: m.Name() + "_bp2build_cc_library_static"}, staticTargetAttrs)

	ctx.CreateBazelTargetModule(sharedProps, android.CommonAttributes{Name: m.Name()}, sharedTargetAttrs)

}



// cc_library creates both static and/or shared libraries for a device and/or

cc/library_test.go

+6 −1
Original line number Diff line number Diff line
@@ -257,9 +257,14 @@ cc_library { 
				CcObjectFiles:        []string{"foo.o"},

				Includes:             []string{"include"},

				SystemIncludes:       []string{"system_include"},

				RootStaticArchives:   []string{"foo.a"},

				RootDynamicLibraries: []string{"foo.so"},

			},

			"//foo/bar:bar_bp2build_cc_library_static": cquery.CcInfo{

				CcObjectFiles:      []string{"foo.o"},

				Includes:           []string{"include"},

				SystemIncludes:     []string{"system_include"},

				RootStaticArchives: []string{"foo.a"},

			},

		},

	}

	ctx := testCcWithConfig(t, config)