#15956: Linker error buidling `runghc` -------------------------------------+------------------------------------- Reporter: harpocrates | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: 8.6.3 Component: Build System | Version: 8.6.2 (Hadrian) | Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: None/Unknown Unknown/Multiple | Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: -------------------------------------+------------------------------------- I'm on MacOS trying to build `master`. Hadrian fails where `make` succeeds. I'm not doing anything fancy either.. {{{ ghc$ git rev-parse HEAD df570d920fa66db631f936fa377e598fe92bd2a1 ghc$ ./boot && ./configure ghc$ make -j V=0 # succeeds ghc$ ./hadrian/build.sh -c --build-root="_build2" > out.log 2> err.log # fails }}} Hadrian fails when trying to link `runghc`: {{{ Error when running Shake build system: at src/Rules.hs:(34,19)-(47,17): at src/Rules.hs:47:5-17: * Depends on: _build2/stage1/bin/runghc * Raised the exception: user error (Development.Shake.cmd, system command failed Command: _build2/stage0/bin/ghc -Wall -hisuf hi -osuf o -hcsuf hc -static -hide-all-packages -no-user-package-db '-package-db _build2/stage1/lib/package.conf.d' '-package-id base-4.12.0.0' '-package- id directory-1.3.3.1' '-package-id filepath-1.4.2.1' '-package-id process-1.6.3.0' '-package-id unix-2.7.2.2' -i -i_build2/stage1/utils/runghc/build -i_build2/stage1/utils/runghc/build/runghc/autogen -iutils/runghc/. -Iincludes -I_build2/generated -I_build2/stage1/utils/runghc/build -I/Users/atheriault/Code/ghc/_build2/stage1/lib/x86_64-osx- ghc-8.7.20181126/process-1.6.3.0/include -I/Users/atheriault/Code/ghc/_build2/stage1/lib/x86_64-osx- ghc-8.7.20181126/unix-2.7.2.2/include -I/Users/atheriault/Code/ghc/_build2/stage1/lib/x86_64-osx- ghc-8.7.20181126/time-1.9.2/include -I/Users/atheriault/Code/ghc/_build2/stage1/lib/x86_64-osx- ghc-8.7.20181126/bytestring-0.10.9.0/include -I/Users/atheriault/Code/ghc/_build2/stage1/lib/x86_64-osx- ghc-8.7.20181126/base-4.12.0.0/include -I/Users/atheriault/Code/ghc/_build2/stage1/lib/x86_64-osx- ghc-8.7.20181126/integer-gmp-1.0.2.0/include -I/Users/atheriault/Code/ghc/_build2/stage1/lib/x86_64-osx- ghc-8.7.20181126/rts-1.0/include -I_build2/generated -optc- I_build2/generated -optP-include -optP_build2/stage1/utils/runghc/build/runghc/autogen/cabal_macros.h -optc-fno-stack-protector -odir _build2/stage1/utils/runghc/build -hidir _build2/stage1/utils/runghc/build -stubdir _build2/stage1/utils/runghc/build -no-auto-link-packages -rtsopts -optl- lgmp -Wnoncanonical-monad-instances -optc-Wno-unknown-pragmas _build2/stage1/utils/runghc/build/Main.o -o _build2/stage1/bin/runghc -O2 -H32m -XHaskell2010 -ghcversion- file=/Users/atheriault/Code/ghc/_build2/generated/ghcversion.h Exit code: 1 Stderr: Undefined symbols for architecture x86_64: "_findPtr", referenced from: -u command line option ld: symbol(s) not found for architecture x86_64 clang: error: linker command failed with exit code 1 (use -v to see invocation) `gcc' failed in phase `Linker'. (Exit code: 1) ) }}} This must be a recent regression, since I was successfully building with Hadrian as recently as last week. I'll try to bisect, although the failure occurs so late in the compilation pipeline that I expect progress to be quite slow. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15956 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler