Le mar. 12 oct. 2021 à 08:30, Helmut Grohne <hel...@subdivi.de> a écrit :
> Source: nodejs > Version: 12.22.5~dfsg-6 > Tags: patch > User: debian-cr...@lists.debian.org > Usertags: ftcbfs > > nodejs fails to cross build from source, because its configure.py > detects build architecture build tools such as gcc or pkg-config without > the relevant host architecture prefix. (Do note that I'm using the gnu > terminology also used in man dpkg-architecture here and that nodejs > seems to be using a confusing mix of terminology.) It seems that > configure.py expects that you export standard environment variables such > as CC or PKG_CONFIG. The attached patch implements that. > > Unfortunately, it does not make nodejs cross buildable. A build then > fails running gen-regexp-special-case with an "Exec format error", which > typically means that the binary was compiled for the host architecture > but needed for the build architecture. > > I researched this a bit and noticed that other cross distributions have > run into the same problem. > PtxDist: > https://lore.ptxdist.org/ptxdist/20200113101809.3260-1-b.es...@pengutronix.de/ > buildroot: > https://github.com/buildroot/buildroot/blob/master/package/nodejs/nodejs.mk > > > In essence what they do is build nodejs twice. Once for the build > architecture. Then they steal the relevant tools from that build tree > and patch the build system to use those other tools. Likely Debian > should do the same (or upstream should gain a sane solution here). I > attempted doing this, but my native build for some reason didn't emit > gen-regexp-special-cases. At that point, I gave up on this. > While looking into this, I also noticed that you make the build > non-parallel when building for a 32bit architecture. Is the intention > really to make a cross build on amd64 for armhf non-parallel and leaving > a cross build from on say mips for riscv64 parallel? I guess that you do > mean the build architecture here. > parallel builds of nodejs tend to crash on 32-bit because of limited resources. If the host has lots of memory available, parallel builds should be enabled. Please consider applying the attached patch to fix the obvious. At that > point, please close the bug regardless of the other mentioned issues. > Thank you. Will do. Jérémy
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