On Tue Nov 21, 2023 at 2:19 PM EST, Carl Worth wrote: > On Sun, Nov 19 2023, Peter Lawrence wrote: > > Hi. > > Hi Peter! > > > I'm trying to build an email client (aerc) with support for notmuch > > on macOS. aerc is written in go. I can't find an aerc package for brew > > which includes notmuch headers/library files. Where can I get these > > language bindings and how do I "install" them, or where do I place them > > in the aerc source directory to get the notmuch library built and then > > accessible to aerc? > > I don't have much direct experience with either macOS nor the Go > language bindings to notmuch, but I'll see how far I can get in > answering your questions. > > The Go bindings for notmuch are in the contrib/go directory of the > source distribution which you can get from the latest source release > > > https://notmuchmail.org/releases/notmuch-0.38.tar.xz > > Or via git: > > git clone https://git.notmuchmail.org/git/notmuch > > There's a brief README and a Makefile in the contrib/go directory, but > I'm not exactly clear on how things are supposed to work. > > When I type "make" the first command it runs is "go install notmuch" > which fails as follows: > > $ go install notmuch > go: 'go install' requires a version when current directory is not in a module > Try 'go install notmuch@latest' to install the latest version > > The advice from the error message doesn't help much: > > $ go install notmuch@latest > go: notmuch@latest: malformed module path "notmuch": missing dot in first > path element > > I'm guessing someone who knows even a tiny bit about go modules might be > able to explain what's needed here, so we can fix the Makefile to > actually work? > > -Carl
Thanks for the feedback, Carl!
I have a feeling now that this isn't just a macOS issue, but possibly a
broader issue that would effect anyone using a newer version of Go. I
followed your steps as well and got the same results. It seems that Go
changed some things around release 1.13 such that there is now a
"module" mode for Go instead of a GOPATH mode. Newer versions of Go
default to using the module mode rather than GOPATH mode. I found this
blurb about Go environment variables:
GO111MODULE
Controls whether the go command runs in module-aware mode or GOPATH
mode.
May be "off", "on", or "auto".
See https://golang.org/ref/mod#mod-commands.
So, I set my GO111MODULE to off with this command:
go env -w GO111MODULE="off"
This helped. Then, I had to strip out some commented out lines in the
notmuch.go file under src/
Now when I compile with "make", I get some 75 lines of errors, similar
to the following:
src/notmuch/notmuch.go:89:8: could not determine kind of name for C.free
src/notmuch/notmuch.go:1047:8: could not determine kind of name for
C.notmuch_bool_t
src/notmuch/notmuch.go:251:15: could not determine kind of name for
C.notmuch_database_add_message
src/notmuch/notmuch.go:96:15: could not determine kind of name for
C.notmuch_database_create
src/notmuch/notmuch.go:140:16: could not determine kind of name for
C.notmuch_database_destroy
src/notmuch/notmuch.go:315:15: could not determine kind of name for
C.notmuch_database_find_message
I am guessing that the go compiler (mine is at 1.20.8) doesn't like the
source in notmuch.go. This may have been written a while ago? I'm
definitely over my head in the Go world at this point.
I wonder if anyone proficient with Go might know how to get the source
to build against a Go 1.20+ version?
--
Peter Lawrence
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