Sounds like a duplicate of #12896 which was recently fixed. Could you please try Go tip and see if your issue is still present?

You are right, looks like CL https://golang.org/cl/22461 should fix this issue. I'll try Go tip, thank you.

Sorry, but warning is still there. I tested on

go version devel +082881d Wed May 4 15:08:16 2016 +0000 darwin/amd64

The issue is with ARMv7 only, if I remove it from Valid Architectures list, any build (ARMv7s, ARM64) has no warning.

Thank you, I've reproduced the issue. The Go c-archive tests seems to run as PIE now, so it seems gomobile is doing something that breaks PIC generation. I'm working on a fix.

CL https://golang.org/cl/22920 mentions this issue.

Yes, it is fixed in

go version devel +87a2ae1 Mon May 9 06:16:07 2016 +0000 darwin/amd64

Thank you, @eliasnaur

I am using "go version go1.7beta1 darwin/amd64" and gomobile "tip.

I still get the no_pic warning:
(null): PIE disabled. Absolute addressing (perhaps -mdynamic-no-pic) not allowed in code signed PIE, but used in main.init from /..../NetConnMan(go.o). To fix this warning, don't compile with -mdynamic-no-pic or link with -Wl,-no_pie

If you haven't already, please check if the golang.org/x/mobile/examples/bind example also produces the PIC warning. If not, the next step would be to figure out why the projects differ in behaviour. A minimal reproducer would allow us to fix this issue quicker.