cmd/link: provide better error message than "relocation target main.main not defined" when no func main provided #24809
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That's #10978 |
Thanks. I think those are close enough that I'll close this as a dup. |
Change https://golang.org/cl/113955 mentions this issue: |
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For given program with 2 undefined relocations (main and undefined): package main func undefined() func defined() int { undefined() undefined() return 0 } var x = defined() "go tool link" produces these errors: main.defined: relocation target main.undefined not defined main.defined: relocation target main.undefined not defined runtime.main_main·f: relocation target main.main not defined main.defined: undefined: "main.undefined" main.defined: undefined: "main.undefined" runtime.main_main·f: undefined: "main.main" After this CL is applied: main.defined: relocation target main.undefined not defined runtime.main_main·f: function main is undeclared in the main package Fixes #10978 Improved error message for main proposed in #24809. Change-Id: I4ba8547b1e143bbebeb4d6e29ea05d932124f037 Reviewed-on: https://go-review.googlesource.com/113955 Run-TryBot: Iskander Sharipov <iskander.sharipov@intel.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
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There has been a recent spate of issues and noise on issues, in which people report that the linker is complaining:
relocation target main.main not defined
. This happens when the main package has nofunc main
.Since that is a common error mode, particularly for new Go programmers, we should provide a more useful error message.
I thought there was an existing issue open for this, but I can't find it.
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