# combination with selected "unusual" flags (involving plugins, LTO)
# that we force external linking.  See related
# issues 58619,  58620, and 58848.

[compiler:gccgo] skip # only external linking for gccgo

[!cgo] skip 'test verifies behavior that depends on CGO_CFLAGS'
[mustlinkext] skip 'test expects internal linking for non-cgo programs'

# Here we build three program: one with explicit CGO use, one with no

				ctxt.Logf("external linking prefer list is %v\n", preferlinkext)
			}
			if extNeeded || (iscgo && (externalobj || preferExternal)) {
				ctxt.LinkMode = LinkExternal
			} else {
				ctxt.LinkMode = LinkInternal
			}
		}
	}

	switch ctxt.LinkMode {
	case LinkInternal:
		if extNeeded {
			Exitf("internal linking requested %sbut external linking required: %s", via, extReason)
		}

stderr 'android/amd64 requires external \(cgo\) linking, but cgo is not enabled'
! stderr 'cannot find runtime/cgo'

! go test -c -o $devnull os
stderr '# os\nandroid/amd64 requires external \(cgo\) linking, but cgo is not enabled'
! stderr 'cannot find runtime/cgo'

env GOOS=ios GOARCH=arm64 CGO_ENABLED=0

! go build -o $devnull cmd/buildid
stderr 'ios/arm64 requires external \(cgo\) linking, but cgo is not enabled'

import "testing"

// If gcc is used, and linking internally, __mulsc3 and __muldc3
// will be linked in from libgcc which make several R_PPC64_TOC16_DS
// relocations which may not be resolvable with the internal linker.
func test8694(t *testing.T) { t.Skip("not supported on ppc64/ppc64le with internal linking") }

# Issue #7573
# cmd/cgo: undefined reference when linking a C-library using gccgo

[!cgo] skip
[!exec:gccgo] skip
[cross] skip  # gccgo can't necessarily cross-compile, so don't assume it will reach the step where we expect it to fail

! go build -x -compiler gccgo
stderr 'gccgo.*\-L [^ ]*alibpath \-lalib' # make sure that Go-inline "#cgo LDFLAGS:" ("-L alibpath -lalib") passed to gccgo linking stage

        1 * invocationContext.createInvocation("linking lib", outputFile.parentFile, expectedArgs, operationLogger) >> invocation
        1 * queue.add(invocation)
        1 * queue.setLogLocation(LOG_LOCATION)
        0 * _
    }

    def "use the emit-library flag when linking shared library"() {
        given:
        def testDir = tmpDirProvider.testDirectory

            sources {
                cpp1(CppSourceSet)
            }
        }
    }
}
"""
    }

    @ToBeFixedForConfigurationCache
    def "library dependency of binary is available when linking all source sets"() {
        given:
        buildFile << """
model {
    components {
        main {
            sources {
                other(CppSourceSet) {
                    source.srcDir "src/other/cpp"

	default:
		return false
	}
}

// MustLinkExternal reports whether goos/goarch requires external linking
// with or without cgo dependencies.
func MustLinkExternal(goos, goarch string, withCgo bool) bool {
	if withCgo {
		switch goarch {
		case "loong64", "mips", "mipsle", "mips64", "mips64le":
			// Internally linking cgo is incomplete on some architectures.
			// https://go.dev/issue/14449
			return true
		case "arm64":

[!buildmode:plugin] skip
[short] skip
[!cgo] skip '-buildmode=plugin requires external linking'

go build -trimpath -buildvcs=false -buildmode=plugin -o a.so main.go
go build -trimpath -buildvcs=false -buildmode=plugin -o b.so main.go
cmp -q a.so b.so

-- main.go --
package main

        1 * buildOperationExecutor.runAll(commandLineTool, _) >> { worker, action -> action.execute(queue) }
        1 * invocationContext.getArgAction() >> Actions.doNothing()
        1 * invocationContext.createInvocation("linking lib", expectedArgs, operationLogger) >> invocation
        1 * queue.add(invocation)
        1 * queue.setLogLocation(LOG_LOCATION)
        0 * _
    }

    List<String> getSoNameProp(def value) {