the GoLLVM is based on LLVM 15.0.0
Example to reproduce:
The structure of project is as follows:
```
easyPkg/
├── go.mod
├── main.go
└── Pkg
└── utils.go
```
main.go
```
package main
import "easyPkg/Pkg"
func main() {
Pkg.PkgFunc()
}
```
utils.go
```
package Pkg
func PkgFunc() {
println("pkgFunc")
}
```
go.mod
```
module easyPkg
go 1.18
```
use `go build -x . 2> auto.sh` to get the building process. Then delete the
generated binary file `easyPkg` and use `go clean -cache` to clean the
building cache. Then I use the command `source auto.sh` to regenerate the
binary, which fails.
part of the error log is as follows
```
/data/mygo/gollvm_workarea/install/bin/llvm-goc: error: unrecognized
command line option '-fgo-importcfg=/dev/null'
/data/mygo/gollvm_workarea/install/bin/llvm-goc: error: unrecognized
command line option '-ffile-prefix-map=a=b'
./main.go:3:19: error:
/tmp/go-build3415416681/b001/_importcfgroot_/easyPkg/libPkg.a exists but
does not contain any Go export data
./main.go:3:19: warning: easyPkg/Pkg: Not a directory
./main.go:3:19: error: import file 'easyPkg/Pkg' not found
./main.go:6:2: error: reference to undefined name 'Pkg'
/usr/bin/ld.gold: error: /tmp/go-build3415416681/b001/_pkg_.a: member at 72
is not an ELF object
/usr/bin/ld.gold: error: /tmp/go-build3415416681/b002/_pkg_.a: member at 72
is not an ELF object
buildid: open /tmp/go-build3415416681/b001/exe/a.out: no such file or
directory
```
what can I do on the auto.sh script to regenerate the binary file? Is the
process dumped completed?
On a single package with no subdirectory, the result of `go build -x .` is
available for regenerating the binary file.
Moreover, my main purpose is to add -emit-llvm option wherever `llvm-goc`
appears and use `llvm-link -S` to link all object files generated by
llvm-goc to get a whole LLVM IR file for the whole project. If the question
above is now insoluble, is there any other way to get the whole project's
LLVM IR?
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