Revert "[LLVM] bump to 12.0.1-4"

[vchuravy]

Reverts #42512

Broke FreeBSD https://build.julialang.org/#/builders/78/builds/3568
and apparently MacOs #41936 (comment)

Sorry about that.

[vtjnash]

libz needs to be added to LIBJULIACODEGEN_BUILD_DEPLIB now, to make freebsd happy

[vchuravy]

Yeah will do that when I re-land. Any ideas on what is up with Mac?

[vtjnash]

There's an extra $( in the Makefile (since v1.4) which eats a few tokens of the link line

[vtjnash]

Jeff is pushing a fix shortly

[JeffBezanson]

😆 😱

[vtjnash]

Oh, or perhaps not. Seems like we also might need to rebuild LLVM, since it is setting rpath incorrectly (from linux64):

$ for x in usr/lib/*.so; do echo $x; objdump -x $x | grep 'RPATH\|RUNPATH'; done

usr/lib/libamd.so
  RPATH                $ORIGIN
usr/lib/libasan.so
  RPATH                /workspace/destdir/x86_64-linux-gnu/lib/../lib64
usr/lib/libatomic.so
usr/lib/libblastrampoline.so
usr/lib/libbtf.so
  RPATH                $ORIGIN
usr/lib/libcamd.so
  RPATH                $ORIGIN
usr/lib/libccalltest.so
usr/lib/libccolamd.so
  RPATH                $ORIGIN
usr/lib/libcholmod.so
  RPATH                $ORIGIN
usr/lib/libcolamd.so
  RPATH                $ORIGIN
usr/lib/libcurl.so
  RUNPATH              /workspace/destdir/lib:$ORIGIN
usr/lib/libdSFMT.so
usr/lib/libGCCheckerPlugin.so
usr/lib/libgfortran.so
  RPATH                /workspace/destdir/x86_64-linux-gnu/lib/../lib64
usr/lib/libgit2.so
  RPATH                $ORIGIN
usr/lib/libgmp.so
usr/lib/libgmpxx.so
  RUNPATH              /workspace/destdir/lib:$ORIGIN
usr/lib/libgomp.so
usr/lib/libImplicitAtomics2Plugin.so
usr/lib/libImplicitAtomicsPlugin.so
usr/lib/libitm.so
usr/lib/libjulia-codegen-debug.so
  RUNPATH              $ORIGIN/julia:$ORIGIN
usr/lib/libjulia-codegen.so
  RUNPATH              $ORIGIN/julia:$ORIGIN
usr/lib/libjulia-debug.so
  RUNPATH              $ORIGIN/julia:$ORIGIN
usr/lib/libjulia-internal-debug.so
  RUNPATH              $ORIGIN/julia:$ORIGIN
usr/lib/libjulia-internal.so
  RUNPATH              $ORIGIN/julia:$ORIGIN
usr/lib/libjulia.so
  RUNPATH              $ORIGIN/julia:$ORIGIN
usr/lib/libklu.so
  RPATH                $ORIGIN
usr/lib/libldl.so
  RPATH                $ORIGIN
usr/lib/libLLVM-12.0.1jl.so
  RPATH                $ORIGIN/../lib
usr/lib/libLLVM-12jl.so
  RPATH                $ORIGIN/../lib
usr/lib/libllvmcalltest.so
usr/lib/libLLVM.so
  RPATH                $ORIGIN/../lib
usr/lib/liblsan.so
  RPATH                /workspace/destdir/x86_64-linux-gnu/lib/../lib64
usr/lib/libmbedcrypto.so
usr/lib/libmbedtls.so
  RUNPATH              $ORIGIN
usr/lib/libmbedx509.so
  RUNPATH              $ORIGIN
usr/lib/libmpfr.so
  RUNPATH              /workspace/destdir/lib:$ORIGIN
usr/lib/libnghttp2.so
usr/lib/libobjc.so
usr/lib/libopenblas64_.0.3.17.so
  RPATH                $ORIGIN
usr/lib/libopenblas64_.so
  RPATH                $ORIGIN
usr/lib/libopenlibm.so
usr/lib/libpcre2-16.so
usr/lib/libpcre2-32.so
usr/lib/libpcre2-8.so
usr/lib/libpcre2-posix.so
  RUNPATH              /workspace/destdir/lib:$ORIGIN
usr/lib/libquadmath.so
usr/lib/librbio.so
  RPATH                $ORIGIN
usr/lib/libspqr.so
  RPATH                $ORIGIN
usr/lib/libssh2.so
  RUNPATH              $ORIGIN
usr/lib/libssp.so
usr/lib/libstdc++.so
usr/lib/libsuitesparseconfig.so
  RPATH                $ORIGIN
usr/lib/libtsan.so
  RPATH                /workspace/destdir/x86_64-linux-gnu/lib/../lib64
usr/lib/libubsan.so
  RPATH                /workspace/destdir/x86_64-linux-gnu/lib/../lib64
usr/lib/libumfpack.so
  RPATH                $ORIGIN
usr/lib/libunwind-coredump.so
usr/lib/libunwind-generic.so
  RUNPATH              /workspace/destdir/lib:$ORIGIN
usr/lib/libunwind-ptrace.so
usr/lib/libunwind-setjmp.so
  RUNPATH              /workspace/destdir/lib:$ORIGIN
usr/lib/libunwind.so
usr/lib/libunwind-x86_64.so
  RUNPATH              /workspace/destdir/lib:$ORIGIN
usr/lib/libuv.so
usr/lib/libz.so

And we've also got /workspace/destdir leaking into a few others, though that is less critical.

Additionally, looks like we now have DLLVM_ENABLE_ZLIB=ON in Yggdrasil, so that may need to be set explicitly in our deps/llvm.mk now too.

[vchuravy]

Additionally, looks like we now have -DLLVM_ENABLE_ZLIB=ON in Yggdrasil, so that may need to be set explicitly in our deps/llvm.mk now too.

Yeah I started on that, but then I got stumped on adding a dependency edge to install-zlib