# Verify build -o can output multiple executables to a directory.

mkdir $WORK/bin
go build -o $WORK/bin ./cmd/c1 ./cmd/c2
! stderr 'multiple packages'

! go build -o $WORK/bin ./pkg1 ./pkg1
stderr 'no main packages'

! go build ./cmd/c1
stderr 'already exists and is a directory'

-- go.mod --
module exmod

-- cmd/c1/main.go --
package main

func main() {}

-- cmd/c2/main.go --
package main

func main() {}

-- pkg1/pkg1.go --
package pkg1

-- pkg2/pkg2.go --
package pkg2

-- c1$GOEXE/keep.txt --
Create c1 directory.