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How can I know if I have the correct LLVM installed? #1

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alexanderkjeldaas opened this issue Apr 2, 2018 · 10 comments
Open

How can I know if I have the correct LLVM installed? #1

alexanderkjeldaas opened this issue Apr 2, 2018 · 10 comments

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@alexanderkjeldaas
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It seems I'm using the wrong LLVM. I'm getting tons of:

+ exec env PATH=/home/cibuild/build/android-sdk-linux/ndk-bundle/toolchains/llvm/prebuilt/linux-x86_64/bin:/home/cibuild/build/android-sdk-linux/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/li
nux-x86_64/arm-linux-androideabi/bin:/home/cibuild/build/android-sdk-linux/ndk-bundle/toolchains/llvm/prebuilt/linux-x86_64/bin:/home/cibuild/build/android-sdk-linux/ndk-bundle/toolchains/aarch64-linux-an
droid-4.9/prebuilt/linux-x86_64/aarch64-linux-android/bin:/code/app-react/hs-code/x/clang+llvm-5.0.0-linux-x86_64-ubuntu16.04/bin:/code/arm/bin:/code/arm/toolchain-wrapper:/code/arm/bin:/code/arm/toolchai
n-wrapper:/code/arm/bin:/code/arm/toolchain-wrapper:/home/cibuild/.local/bin:/home/cibuild/bin:/home/cibuild/.local/bin:/home/cibuild/.nvm/versions/node/v9.10.0/bin:/usr/local/bin:/usr/bin:/bin:/usr/local
/games:/usr/games:/home/cibuild/build/android-sdk-linux/tools:/home/cibuild/build/android-sdk-linux/platform-tools:/home/cibuild/app-react/rn-code/node_modules/.bin:/home/cibuild/.cabal/bin clang --target
=arm-linux-androideabi --sysroot /home/cibuild/build/android-sdk-linux/ndk-bundle/sysroot -isystem /home/cibuild/build/android-sdk-linux/ndk-bundle/sysroot/usr/include/arm-linux-androideabi -D__ANDROID_AP
I__=24 -marm -fno-stack-protector -DTABLES_NEXT_TO_CODE -Isrc/Data/Generics -Idist/build -Idist/build -Idist/build/autogen -Idist/build -Qunused-arguments -x assembler -c /tmp/ghc22305_0/ghc_18.s -o dist/
build/Data/Generics/Aliases.o

/tmp/ghc22305_0/ghc_18.s:5:125: error:
     error: expected STT_<TYPE_IN_UPPER_CASE>, '#<type>', '%<type>' or "<type>"
            .type   sybzm0zi7zm0aea212ced888f6b5e2d66b8e52d0ffb62e814441050d1b1c62b10b2a98f1b45_DataziGenericsziAliases_unGenericzq_info,@object
                                                                                                                                         ^
  |
5 |         .type   sybzm0zi7zm0aea212ced888f6b5e2d66b8e52d0ffb62e814441050d1b1c62b10b2a98f1b45_DataziGenericsziAliases_unGenericzq_info,@object
  |                                                                                                                             ^

/tmp/ghc22305_0/ghc_18.s:13:6: error:
     error: invalid operand for instruction
            sub     x8, x20, #8             // =8
                    ^
   |
13 |         sub     x8, x20, #8             // =8
   |      ^

/tmp/ghc22305_0/ghc_18.s:14:7: error:
     error: invalid operand for instruction
            cmp             w8, w26
                            ^
   |
14 |         cmp             w8, w26
   |       ^

/tmp/ghc22305_0/ghc_18.s:15:3: error:
     error: invalid operand for instruction
            b.hs    .LBB0_2
             ^
   |
15 |         b.hs    .LBB0_2
   |   ^

/tmp/ghc22305_0/ghc_18.s:17:6: error:
     error: invalid operand for instruction
            sub     w8, w19, #8             // =8

I've installed from http://apt.llvm.org/ and also from http://releases.llvm.org/download.html#5.0.0

Maybe I should compile something myself?

What's the procedure for checking whether my LLVM is the correct one?
@alexanderkjeldaas
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The clang that's being used is /home/cibuild/build/android-sdk-linux/ndk-bundle/toolchains/llvm/prebuilt/linux-x86_64/bin/clang in this case.

@alexanderkjeldaas
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Example output from. llc doesn't read this type of assembly.
example.txt

@alexanderkjeldaas
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Looks like ARM assembly now that I've looked a bit closer..

@angerman
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angerman commented Apr 3, 2018

Did you use -fllvmng and -fast-llvm? THere should be no assembly emitted at all.

@alexanderkjeldaas
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Ok, so I added:

program-options
  ghc-options: -fllvmng -fast-llvm

repository hackage.mobilehaskell
  url: http://hackage.mobilehaskell.org/
  secure: True
  root-keys: 8184c1f23ce05ab836e5ebac3c3a56eecb486df503cc28110e699e24792582da
             81ff2b6c5707d9af651fdceded5702b9a6950117a1c39461f4e2c8fc07d2e36a
             8468c561cd02cc7dfe27c56de0da1a5c1a2b1b264fff21f4784f02b8c5a63edd
  key-threshold: 3

repository head.hackage
   url: http://head.hackage.haskell.org/
   secure: True
   root-keys: 07c59cb65787dedfaef5bd5f987ceb5f7e5ebf88b904bbd4c5cbdeb2ff71b740
              2e8555dde16ebd8df076f1a8ef13b8f14c66bad8eafefd7d9e37d0ed711821fb
              8f79fd2389ab2967354407ec852cbe73f2e8635793ac446d09461ffb99527f6e
   key-threshold: 3

to cabal.project

Now I'm getting.

...
Configuration files installed in:
/home/cibuild/.cabal/store/ghc-8.4.0.20180109/mime-types-0.1.0.7-a00cc5d37cd019c2b0f687d4d3a1b250874f8c569e09d9f53927a8fb56764e94/etc
No alex found
Using ar found on system at:
/code/arm/toolchain-wrapper/armv7-linux-androideabi-ar
No c2hs found
No cpphs found
Using gcc version 4.2.1 found on system at:
/code/arm/toolchain-wrapper/armv7-linux-androideabi-clang
Using ghc version 8.4.0.20180109 given by user at:
/code/arm/bin/aarch64-linux-android-ghc
Using ghc-pkg version 8.4.0.20180109 given by user at:
/code/arm/bin/aarch64-linux-android-ghc-pkg
No ghcjs found
No ghcjs-pkg found
No greencard found
No haddock found
No happy found
Using haskell-suite found on system at: haskell-suite-dummy-location
Using haskell-suite-pkg found on system at: haskell-suite-pkg-dummy-location
No hmake found
No hpc found
Using hsc2hs version 0.68.3 found on system at:
/home/cibuild/.local/bin/hsc2hs
No hscolour found
No jhc found
Using ld found on system at:
/code/arm/toolchain-wrapper/armv7-linux-androideabi-ld
No lhc found
No lhc-pkg found
No pkg-config found
Using strip version 2.27 found on system at:
/home/cibuild/build/android-sdk-linux/ndk-bundle/toolchains/aarch64-linux-android-4.9/prebuilt/linux-x86_64/aarch64-linux-android/bin/strip
Using tar found on system at: /bin/tar
No uhc found
Component build order: library
creating dist/build
creating dist/build/autogen
Building mime-types-0.1.0.7...
/code/arm/bin/aarch64-linux-android-ghc-pkg init dist/package.conf.inplace
Preprocessing library mime-types-0.1.0.7...
Building library...
creating dist/build
/code/arm/bin/aarch64-linux-android-ghc --make -fbuilding-cabal-package -O -outputdir dist/build -odir dist/build -hidir dist/build -stubdir dist/build -i -idist/build -i. -idist/build/autogen -Idist/build/autogen -Idist/build -optP-include -optPdist/build/autogen/cabal_macros.h -this-unit-id mime-types-0.1.0.7-a00cc5d37cd019c2b0f687d4d3a1b250874f8c569e09d9f53927a8fb56764e94 -hide-all-packages -no-user-package-db -package-db /home/cibuild/.cabal/store/ghc-8.4.0.20180109/package.db -package-db dist/package.conf.inplace -package-id base-4.11.0.0 -package-id bytestring-0.10.8.2 -package-id containers-0.5.10.2 -package-id text-1.2.3.0 -XHaskell98 Network.Mime -fllvmng -fast-llvm
[1 of 1] Compiling Network.Mime     ( Network/Mime.hs, dist/build/Network/Mime.o )
LLVM ERROR: expected relocatable expression
`llc' failed in phase `LLVM Compiler'. (Exit code: 1)

in the logs.

@alexanderkjeldaas
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Actually it seems to work for armv7-linux-androideabi-cabal, but not aarch64-linux-android-cabal.

@alexanderkjeldaas
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For zlib, which is missing -lz, is there a standard package I can install to get an ARM-version of "standard libraries"?

@alexanderkjeldaas
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$ANDROID_HOME/ndk-bundle/platforms/android-24/arch-arm/usr/lib/ has libz*.. just need to add that path. Should this path be added by the wrapper?

@angerman
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angerman commented Apr 4, 2018

@alexanderkjeldaas that's a good questions. I guess we could just add it, but ideally it would come out of the config files via the -system flag I believe.

@alexanderkjeldaas
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alexanderkjeldaas commented Apr 4, 2018 via email

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@angerman @alexanderkjeldaas