Compile golang package in yocto

php editor strawberry introduces you to the method of compiling golang package in yocto. Yocto is an open source embedded Linux build system and Golang is a powerful programming language. Combining them can provide more flexibility and efficiency for embedded device development. Compiling golang packages requires some specific steps and configuration, and we will detail how to successfully complete this process in yocto in this article. Whether you are a beginner or an experienced developer, this article will provide you with useful guidance and tips to easily master the skills of compiling golang packages in Yocto.

Question content

I'm trying to write a yocto recipe to compile the https://github.com/bluenviron/mediamtx package, which is written on golang. Anyway, I can't get the package to build the binary. I have little experience with go.

So far I've managed to get a way to clone the correct version from git and use the correct lic_files_chksum, but I'm struggling to get it to actually generate the binaries from the source.

SUMMARY = "mediamtx RTSP server"
HOMEPAGE = "https://github.com/bluenviron/mediamtx"
SECTION = "multimedia"
LICENSE = "MIT"

inherit goarch pkgconfig

#GO_IMPORT = "github.com/bluenviron/mediamtx"

LIC_FILES_CHKSUM = "file://LICENSE;md5=77fd2623bd5398430be5ce60489c2e81"

SRC_URI = "git://github.com/bluenviron/mediamtx;branch=main"

S = "${WORKDIR}/git"

SRCREV = "21756a4d54152872cda48469861147ee652df922"

FILES_${PN} += "${GOBIN_FINAL}/*"


DEPENDS += "\
        go \
        python \
"

do_install_append() {
    cp ${D}${bindir}/mediamtx ${D}${bindir}/${BPN}
}

If I remove do_install_append then the recipe builds successfully but it does not compile the code to create the binary - this seems obvious to me since there is no do_compile part . I can't seem to find any information telling me how to compile it.

It would be great if anyone could provide me with a yocto recipe for this bag, if not then any kind of help/guidance would be appreciated. Thanks.

Solution

I had the same problem and this worked for me.

SUMMARY = "MediaMTX / rtsp-simple-server is a ready-to-use and zero-dependency server and proxy that allows users to publish, read and proxy live video and audio streams."
GO_IMPORT = "github.com/bluenviron/mediamtx"
HOMEPAGE = "https://${GO_IMPORT}"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://src/${GO_IMPORT}/LICENSE;md5=77fd2623bd5398430be5ce60489c2e81"

SRC_URI = "git://${GO_IMPORT};branch=main;protocol=https"
SRCREV = "65f617aa7c326f491c4f4f4a4d52beea3bd6abc7"

GO_INSTALL = "${GO_IMPORT}"
do_compile[network] = "1"

# build executable instead of shared object
GO_LINKSHARED = ""
GOBUILDFLAGS:remove = "-buildmode=pie"

inherit go-mod

FILES:${PN} += "/usr/local/bin"

I'm using the kirkstone version of yocto.

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