Hi Mo Zhou, On Thu, 16 Aug 2018 08:38:04 +0000, Mo Zhou <cdlumin...@gmail.com> wrote: > Package: wnpp > Severity: normal > > I request assistance with maintaining the julia package. > Specifically I need a ppc64el porter (or anyone who has root access to > a ppc64el box) to help me: > > 1. Apply patch[1] to Debian's llvm-toolchain-6.0 (= 1:6.0.1-4) and build it.
I fetched this https://reviews.llvm.org/D43781 > 2. Install the resulting llvm-6.0-dev (= 1:6.0.1-5). > > 3. dget julia 0.7.0-2 and build Julia for ppc64el. > > 4. if (!llvm-ftbfs && !julia-ftbfs) { I got there : both built fine. I just had to avoid building in a schroot because of this : --- make[3]: Entering directory '/build/llvm-toolchain-6.0-0CdyF5/julia-0.7.0' Warning: git information unavailable; versioning information limited cd /build/llvm-toolchain-6.0-0CdyF5/julia-0.7.0/base && if ! /build/llvm-toolchain-6.0-0CdyF5/julia-0.7.0/usr/bin/julia -O3 -C "native" --output-o /build/llvm-toolchain-6.0-0CdyF5/julia-0.7.0/usr/lib/powerpc64le-linux-gnu/julia/sys-o.a.tmp --startup-file=no --warn-overwrite=yes --sysimage /build/llvm-toolchain-6.0-0CdyF5/julia-0.7.0/usr/lib/powerpc64le-linux-gnu/julia/sys.ji /build/llvm-toolchain-6.0-0CdyF5/julia-0.7.0/contrib/generate_precompile.jl /build/llvm-toolchain-6.0-0CdyF5/julia-0.7.0/usr/lib/powerpc64le-linux-gnu/julia/sys.ji; then echo '*** This error is usually fixed by running `make clean`. If the error persists, try `make cleanall`. ***'; false; fi Generating precompile statements...ERROR: LoadError: Failed to open PTY master Stacktrace: [1] error(::String) at ./error.jl:33 [2] open_fake_pty at /build/llvm-toolchain-6.0-0CdyF5/julia-0.7.0/usr/share/julia/test/testhelpers/FakePTYs.jl:14 [inlined] [3] with_fake_pty(::getfield(Main.anonymous, Symbol("##3#9")){String,Base.GenericIOBuffer{Array{UInt8,1}},Base.GenericIOBuffer{Array{UInt8,1}},String}) at /build/llvm-toolchain-6.0-0CdyF5/julia-0.7.0/usr/share/julia/test/testhelpers/FakePTYs.jl:30 [4] (::getfield(Main.anonymous, Symbol("##2#8")){Float64,Module,String})(::String, ::IOStream) at /build/llvm-toolchain-6.0-0CdyF5/julia-0.7.0/contrib/generate_precompile.jl:81 [5] mktemp(::getfield(Main.anonymous, Symbol("##2#8")){Float64,Module,String}, ::String) at ./file.jl:576 [6] mktemp at ./file.jl:574 [inlined] [7] generate_precompile_statements() at /build/llvm-toolchain-6.0-0CdyF5/julia-0.7.0/contrib/generate_precompile.jl:78 [8] top-level scope at /build/llvm-toolchain-6.0-0CdyF5/julia-0.7.0/contrib/generate_precompile.jl:144 in expression starting at /build/llvm-toolchain-6.0-0CdyF5/julia-0.7.0/contrib/generate_precompile.jl:4 --- which is unrelated to the problem you had but to workaround I built in a fresh ppc64el unstable vm (probably due to bug #817236 and my schroot being too old to be created with the fix) > > 1. clone #905807 for llvm-6.0 and remove the +moreinfo tag > 2. pull the experimental branch from > https://salsa.debian.org/julia-team/julia > and see if the patched llvm-6.0 is also able to build julia 1.0.0 this one builds fine as well. For now, I won't have time to re-assign the bug on llvm. I'll check that tomorrow. > } elif (!llvm-ftbfs && julia-ftbfs) { > > 1. find out which patch actually fixes julia's build failure > https://github.com/JuliaLang/julia/blob/master/deps/llvm.mk#L482-L509 > > } else { ...... } > > I tried to setup a ppc64el chroot with qemu, and immediately find it > impractical for my laptop. > > I tried to do it on launchpad (Ubuntu PPA/cosmic), and lauchpad told me > "Sorry, something just went wrong in Launchpad." during registration. > > I tried to think of applying for the access to debian's ppc64el porterbox > but it appears to be impossible for a normal user to install the resulting > package and build another package. Although maybe I can do some hacks on > PATH and LD_LIBRARY_PATH but that's dirty. Yes, that's a security related limitation of porter boxes which sometimes makes them unhelpful sadly. FYI, you may request a ppc64el vm there : http://openpower.ic.unicamp.br/minicloud/ > So I gave up and wrote this RFH. That begin said, Julia's ppc64el port > is indeed supported by upstream, and it is worthwhile to keep Julia for > ppc64el such a powerful architecture. > > Thanks in advance. Thanks a bunch for this work :) F. > > [1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=905807 > > Appendix > -------- > > The package description is: > Julia is a high-level, high-performance dynamic programming language for > technical computing, with syntax that is familiar to users of other technical > computing environments. It provides a sophisticated compiler, distributed > parallel execution, numerical accuracy, and an extensive mathematical > function > library. The library, mostly written in Julia itself, also integrates mature, > best-of-breed C and Fortran libraries for linear algebra, random number > generation, FFTs, and string processing. Julia programs are organized around > defining functions, and overloading them for different combinations of > argument types (which can also be user-defined). > . > This package provides a complete Julia installation (JIT compiler, standard > library, text-based user interface). > Julia is a high-level, high-performance dynamic programming language for > technical computing, with syntax that is familiar to users of other technical > computing environments. It provides a sophisticated compiler, distributed > parallel execution, numerical accuracy, and an extensive mathematical > function > library. The library, mostly written in Julia itself, also integrates mature, > best-of-breed C and Fortran libraries for linear algebra, random number > generation, FFTs, and string processing. Julia programs are organized around > defining functions, and overloading them for different combinations of > argument types (which can also be user-defined). > . > This package provides a complete Julia installation (JIT compiler, standard > library, text-based user interface). >
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