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While running the boot steps provided in the readme after installing emsdk and sourcing the environment shell script, I was hit by this error:
emsdk
installing package bytestring configuring package: bytestring /home/ram/src/ghcjs/lib/boot/pkg/bytestring$ /home/ram/.ghcup/bin/cabal "v1-configure" "--global" "--ghcjs" "--builddir" "dist" "--with-compiler" "/home/ram/src/ghcjs/inplace/bin/ghcjs" "--with-hc-pkg" "/home/ram/src/ghcjs/inplace/bin/ghcjs-pkg" "--with-haddock" "/home/ram/src/ghcjs/inplace/bin/haddock" "--with-gcc" "/home/ram/src/ghcjs/inplace/lib/bin/emcc" "--prefix" "/home/ram/src/ghcjs/inplace" "--configure-option" "--host=js-unknown-ghcjs" "--ghcjs-options=-fwrite-ide-info" "--enable-debug-info" "--disable-library-stripping" "--disable-executable-stripping" "-fghci" "--enable-profiling" "--enable-shared" Warning: Unknown/unsupported 'ghc' version detected (Cabal 3.6.2.0 supports 'ghc' version < 8.8): /home/ram/src/ghcjs/inplace/bin/ghcjs is based on GHC version 8.10.7 Resolving dependencies... Configuring bytestring-0.10.12.0... /home/ram/src/ghcjs/lib/boot/pkg/bytestring$ /home/ram/.ghcup/bin/cabal "v1-build" Preprocessing library for bytestring-0.10.12.0.. Building library for bytestring-0.10.12.0.. [ 1 of 23] Compiling Data.ByteString.Builder.Prim.Internal ( Data/ByteString/Builder/Prim/Internal.hs, dist/build/Data/ByteString/Builder/Prim/Internal.js_o, dist/build/Data/ByteString/Builder/Prim/Internal.js_dyn_o ) [ 2 of 23] Compiling Data.ByteString.Builder.Prim.Internal.Floating ( Data/ByteString/Builder/Prim/Internal/Floating.hs, dist/build/Data/ByteString/Builder/Prim/Internal/Floating.js_o, dist/build/Data/ByteString/Builder/Prim/Internal/Floating.js_dyn_o ) [ 3 of 23] Compiling Data.ByteString.Builder.Prim.Internal.UncheckedShifts ( Data/ByteString/Builder/Prim/Internal/UncheckedShifts.hs, dist/build/Data/ByteString/Builder/Prim/Internal/UncheckedShifts.js_o, dist/build/Data/ByteString/Builder/Prim/Internal/UncheckedShifts.js_dyn_o ) [ 4 of 23] Compiling Data.ByteString.Builder.Prim.Binary ( Data/ByteString/Builder/Prim/Binary.hs, dist/build/Data/ByteString/Builder/Prim/Binary.js_o, dist/build/Data/ByteString/Builder/Prim/Binary.js_dyn_o ) [ 5 of 23] Compiling Data.ByteString.Internal ( Data/ByteString/Internal.hs, dist/build/Data/ByteString/Internal.js_o, dist/build/Data/ByteString/Internal.js_dyn_o ) <no location info>: error: ghcjs: panic! (the 'impossible' happened) (GHC version 8.10.7: getClassPredTys forall a b. Product f_a6Li g_a6Lj (a, b) -> (# Product f_a6Li g_a6Lj a, Product f_a6Li g_a6Lj b #) Call stack: CallStack (from HasCallStack): callStackDoc, called at ghc/compiler/utils/Outputable.hs:1179:37 in ghcjs-8.10.7-5fadc091902643d5e752d5dbb14bc0567c1b42524d78475c307681acd331c9cf:Outputable pprPanic, called at ghc/compiler/basicTypes/Predicate.hs:89:29 in ghcjs-8.10.7-5fadc091902643d5e752d5dbb14bc0567c1b42524d78475c307681acd331c9cf:Predicate Please report this as a GHC bug: https://www.haskell.org/ghc/reportabug fatal: program /home/ram/.ghcup/bin/cabal returned a nonzero exit code
Are there any patches to be applied or any work arounds?
The text was updated successfully, but these errors were encountered:
Re-running the build command, the error vanished. I wonder why it is flaky!
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While running the boot steps provided in the readme after installing
emsdk
and sourcing the environment shell script, I was hit by this error:Are there any patches to be applied or any work arounds?
The text was updated successfully, but these errors were encountered: