installing g++-mipsel-linux-gnu gives an error below. Any suggestions? Also, what is the recommended way to set up full 32bit dev environment on 64bit host if crossbuild is not the one?
Jun root@debian-mips:/home/debian# apt install g++-mipsel-linux-gnu Reading package lists... Done Building dependency tree Reading state information... Done Package g++-mipsel-linux-gnu is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package 'g++-mipsel-linux-gnu' has no installation candidate On Sat, Dec 28, 2019 at 4:14 PM YunQiang Su <[email protected]> wrote: > Jun Sun <[email protected]> 于2019年12月29日周日 上午5:43写道： > > > > re-surfacing my own old thread ... > > > > On ARM, I was able to do something really simple to obtain complete > 32bit development on a 64bit host: > > > > apt install -y build-essential # this install 64bit dev environment > > apt install -y crossbuild-essential-armhf # this install 32bit > cross-dev environment > > apt install -y libc6:armhf > > apt install -y libstdc++6:armhf > > yep. we don't have the crossbuild-essential-mipsel package. > While for normal user, it is not useful at all. > > crossbuild-essential-armhf depends on g++-arm-linux-gnueabihf && > gcc-arm-linux-gnueabihf > > So, you can do the same thing just by > apt install g++-mipsel-linux-gnu # gcc-mipsel-linux-gnu is not > needed, since g++ depeds on gcc. > > > > > However, similar steps don't work on mips64. Specifically it is > apparent crossbuild-essential-mipsel dependency is broken, and if you try > to fix the dependencies and it ended up conflicting with build-essential. > > > > Are there more better way to install a complete 32bit dev environment > than what is mentioned earlier in this thread? > > > > Thanks! > > > > Jun > > > > > > > > On Sun, May 19, 2019 at 9:10 PM Jun Sun <[email protected]> wrote: > >> > >> This is very cool! It worked! Thanks. > >> > >> For a complete record here is what I did: > >>> > >>> dpkg --add-architecture mipsel > >>> > >>> apt-get update > >>> > >>> apt-get install gcc-multilib > >>> > >>> > >> > >> > >> Earlier I was using "-m32" option which was not recognized. but > -march=mips32 -mabi=32 worked just fine. > >> > >> Also, just for the record, if one likes to install 32bit library later, > you would just add ":mipsel" to the package name. For example, you would > do "apt install zlib1g:mipsel" to install 32bit version of zlib. > >> > >> Cheers. > >> > >> Jun > >> > >> > >> On Sun, May 19, 2019 at 5:55 PM YunQiang Su <[email protected]> wrote: > >>> > >>> Jun Sun <[email protected]> 于2019年5月20日周一 上午7:42写道： > >>> > > >>> > Recently I came across a piece of great work by blahcat who created > 64bit MIPSEL debian image that runs on qemu. See > https://blahcat.github.io/2017/07/14/building-a-debian-stretch-qemu-image-for-mipsel/ > >>> > > >>> > I tried to install multilib in the hope to compile 32bit mips code > on this 64bit machine. But it does not seem to work. > >>> > > >>> how did you install it? > >>> it should be done like: > >>> > >>> apt-get install libc6-dev-mips32 gcc > >>> and > >>> gcc -march=mips32 -mabi=32 xx.c > >>> > >>> If your app needs libc only, it is enough. > >>> > >>> > Does anybody know for sure whether this is a dead end or just a > hiccup which I should overcome? > >>> > >>> If your app depends on more libraries, you may need to use an mipsel > >>> env, or use multiarch. > >>> https://wiki.debian.org/Multiarch/HOWTO > >>> > >>> > > >>> > Thanks. > >>> > > >>> > Jun > >>> > >>> > >>> > >>> -- > >>> YunQiang Su > > > > -- > YunQiang Su >
