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Can't compile for android #1

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opened 2021-09-23 17:51:24 -04:00 by dolanor · 7 comments
dolanor commented 2021-09-23 17:51:24 -04:00
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I'm trying to compile this program for android (I have an idea of an app requiring android + BLE and I wanted to make it in Gio, and this seemed the best example)

I get:

go run gioui.org/cmd/gogio -target android .
go: downloading gioui.org/cmd v0.0.0-20200829162755-829ee4559c5a
gogio: go build -ldflags=-w -s -X gioui.org/app/internal/log.appID=git.wow.st.hrm -buildmode=c-shared -tags  -o /tmp/gogio-807187917/jni/armeabi-v7a/libgio.so . failed: # git.wow.st/gmp/ble
In file included from _cgo_export.c:4:
cgo-gcc-export-header-prolog:49:101: error: cannot combine with previous 'type-name' declaration specifier
cgo-gcc-export-header-prolog:50:72: error: cannot combine with previous 'type-name' declaration specifier
_cgo_export.c:148:94: error: cannot combine with previous 'type-name' declaration specifier
_cgo_export.c:148:98: error: parameter name omitted
_cgo_export.c:164:14: error: expected expression
_cgo_export.c:173:65: error: cannot combine with previous 'type-name' declaration specifier
_cgo_export.c:173:69: error: parameter name omitted
_cgo_export.c:187:14: error: expected expression

exit status 1

Do you have any idea what's happening?

I'm trying to compile this program for android (I have an idea of an app requiring android + BLE and I wanted to make it in Gio, and this seemed the best example) I get: ``` go run gioui.org/cmd/gogio -target android . go: downloading gioui.org/cmd v0.0.0-20200829162755-829ee4559c5a gogio: go build -ldflags=-w -s -X gioui.org/app/internal/log.appID=git.wow.st.hrm -buildmode=c-shared -tags -o /tmp/gogio-807187917/jni/armeabi-v7a/libgio.so . failed: # git.wow.st/gmp/ble In file included from _cgo_export.c:4: cgo-gcc-export-header-prolog:49:101: error: cannot combine with previous 'type-name' declaration specifier cgo-gcc-export-header-prolog:50:72: error: cannot combine with previous 'type-name' declaration specifier _cgo_export.c:148:94: error: cannot combine with previous 'type-name' declaration specifier _cgo_export.c:148:98: error: parameter name omitted _cgo_export.c:164:14: error: expected expression _cgo_export.c:173:65: error: cannot combine with previous 'type-name' declaration specifier _cgo_export.c:173:69: error: parameter name omitted _cgo_export.c:187:14: error: expected expression exit status 1 ``` Do you have any idea what's happening?
gmp commented 2021-09-25 09:05:16 -04:00
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Let me take a look and see where this is going wrong. Can you let me know what OS and version you are working on?

Let me take a look and see where this is going wrong. Can you let me know what OS and version you are working on?
dolanor commented 2021-09-26 18:02:02 -04:00
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I'm on Ubuntu 20.04.
a fresh clone from this repo.
I must be on Go 1.16.
The latest android SDK/ndk installed.

I'm on Ubuntu 20.04. a fresh clone from this repo. I must be on Go 1.16. The latest android SDK/ndk installed.
gmp commented 2021-11-15 15:49:03 -05:00
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Hi, this error should be fixed, there was a name conflict where an exported Go variable name conflicted with a C type. Not sure why this worked before but this probably was never supported and stopped working in the newer versions of Go.

Hi, this error should be fixed, there was a name conflict where an exported Go variable name conflicted with a C type. Not sure why this worked before but this probably was never supported and stopped working in the newer versions of Go.
dolanor commented 2021-12-15 05:15:53 -05:00
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Hi,

I tried a go build, and I got:

$ go build
# git.wow.st/gmp/ble
../../../../../pkg/mod/git.wow.st/gmp/ble@v0.0.0-20211115204235-6da0474e59d6/ble.go:13:14: undefined: bleState
../../../../../pkg/mod/git.wow.st/gmp/ble@v0.0.0-20211115204235-6da0474e59d6/ble.go:16:9: undefined: bleHandle
../../../../../pkg/mod/git.wow.st/gmp/ble@v0.0.0-20211115204235-6da0474e59d6/ble.go:25:7: undefined: Peripheral
../../../../../pkg/mod/git.wow.st/gmp/ble@v0.0.0-20211115204235-6da0474e59d6/ble.go:35:8: undefined: Peripheral
../../../../../pkg/mod/git.wow.st/gmp/ble@v0.0.0-20211115204235-6da0474e59d6/ble.go:45:37: undefined: Peripheral
../../../../../pkg/mod/git.wow.st/gmp/ble@v0.0.0-20211115204235-6da0474e59d6/ble.go:57:30: undefined: Peripheral
../../../../../pkg/mod/git.wow.st/gmp/ble@v0.0.0-20211115204235-6da0474e59d6/ble.go:102:13: undefined: Peripheral
../../../../../pkg/mod/git.wow.st/gmp/ble@v0.0.0-20211115204235-6da0474e59d6/ble.go:108:13: undefined: Peripheral
../../../../../pkg/mod/git.wow.st/gmp/ble@v0.0.0-20211115204235-6da0474e59d6/ble.go:110:10: undefined: Service
../../../../../pkg/mod/git.wow.st/gmp/ble@v0.0.0-20211115204235-6da0474e59d6/ble.go:116:13: undefined: Peripheral
../../../../../pkg/mod/git.wow.st/gmp/ble@v0.0.0-20211115204235-6da0474e59d6/ble.go:116:13: too many errors

even with the latest ble it seems to fail on my machine.

Hi, I tried a `go build`, and I got: ``` $ go build # git.wow.st/gmp/ble ../../../../../pkg/mod/git.wow.st/gmp/ble@v0.0.0-20211115204235-6da0474e59d6/ble.go:13:14: undefined: bleState ../../../../../pkg/mod/git.wow.st/gmp/ble@v0.0.0-20211115204235-6da0474e59d6/ble.go:16:9: undefined: bleHandle ../../../../../pkg/mod/git.wow.st/gmp/ble@v0.0.0-20211115204235-6da0474e59d6/ble.go:25:7: undefined: Peripheral ../../../../../pkg/mod/git.wow.st/gmp/ble@v0.0.0-20211115204235-6da0474e59d6/ble.go:35:8: undefined: Peripheral ../../../../../pkg/mod/git.wow.st/gmp/ble@v0.0.0-20211115204235-6da0474e59d6/ble.go:45:37: undefined: Peripheral ../../../../../pkg/mod/git.wow.st/gmp/ble@v0.0.0-20211115204235-6da0474e59d6/ble.go:57:30: undefined: Peripheral ../../../../../pkg/mod/git.wow.st/gmp/ble@v0.0.0-20211115204235-6da0474e59d6/ble.go:102:13: undefined: Peripheral ../../../../../pkg/mod/git.wow.st/gmp/ble@v0.0.0-20211115204235-6da0474e59d6/ble.go:108:13: undefined: Peripheral ../../../../../pkg/mod/git.wow.st/gmp/ble@v0.0.0-20211115204235-6da0474e59d6/ble.go:110:10: undefined: Service ../../../../../pkg/mod/git.wow.st/gmp/ble@v0.0.0-20211115204235-6da0474e59d6/ble.go:116:13: undefined: Peripheral ../../../../../pkg/mod/git.wow.st/gmp/ble@v0.0.0-20211115204235-6da0474e59d6/ble.go:116:13: too many errors ``` even with the latest `ble` it seems to fail on my machine.
gmp commented 2021-12-15 08:46:06 -05:00
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When you type "go build" it will try to build on your native environment (Linux). What happens when you compile the hrm app with "gogio -target android"?

When you type "go build" it will try to build on your native environment (Linux). What happens when you compile the hrm app with "gogio -target android"?
dolanor commented 2021-12-15 15:09:47 -05:00
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$ gogio -target android .
gogio: go list -f {{.Dir}} gioui.org/app/internal/wm failed: no required module provides package gioui.org/app/internal/wm; to add it:
	go get gioui.org/app/internal/wm
``` $ gogio -target android . gogio: go list -f {{.Dir}} gioui.org/app/internal/wm failed: no required module provides package gioui.org/app/internal/wm; to add it: go get gioui.org/app/internal/wm ```
gmp commented 2021-12-15 15:48:32 -05:00
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This seems to be a gioui.org issue, or a go package cache issue related to old packages that were renamed or removed. You might try to delete the go package cache (rm -rf ~/go/pkg/mod/gioui*) and reinstall the gioui command. Alternately you can try "$ go clean -modcache", which will delete your entire go module cache.

Can you confirm you are on go 1.16?

What happens when you do "$ go get $gioui.org/app/internal/wm")?

This seems to be a gioui.org issue, or a go package cache issue related to old packages that were renamed or removed. You might try to delete the go package cache (rm -rf ~/go/pkg/mod/gioui*) and reinstall the gioui command. Alternately you can try "$ go clean -modcache", which will delete your entire go module cache. Can you confirm you are on go 1.16? What happens when you do "$ go get $gioui.org/app/internal/wm")?
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