Re: Linker cannot find malloc and free on OS X
On Monday, 5 June 2017 at 10:34:12 UTC, Jacob Carlborg wrote: On 2017-06-05 01:14, bvoq wrote: The flag -L-lc seems to have been passed to the library. This is the full error message after running it with dub test --verbose You need to continue to invoke the sub commands, that is, DMD, Clang and the linker with the verbose flag (-v) added. There's no point in looking for "-lc" since the C standard library on macOS is placed in /usr/lib/libSystem.B.dylib. So I ran: dmd -unittest -main -v -L-lgmp -L-lc -g gmp/* The error seems to stem from: cc dbgio.o -o dbgio -g -m64 -Xlinker -no_compact_unwind -lgmp -lc -L/usr/local/Cellar/dmd/2.074.0/lib -lgmp -lgmp -lgmp -lgmp -lc -lphobos2 -lpthread -lm Full invocation of command with verbose flag: cc dbgio.o -o dbgio -g -m64 -Xlinker -no_compact_unwind -lgmp -lc -L/usr/local/Cellar/dmd/2.074.0/lib -lgmp -lgmp -lgmp -lgmp -lc -lphobos2 -lpthread -lm -v gmp -lc -L/usr/local/Cellar/dmd/2.074.0/lib -lgmp -lgmp -lgmp -lgmp -lc -lphobos2 -lpthread -lm -v Apple LLVM version 8.1.0 (clang-802.0.42) Target: x86_64-apple-darwin16.7.0 Thread model: posix InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld" -demangle -lto_library /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/libLTO.dylib -dynamic -arch x86_64 -macosx_version_min 10.12.0 -o dbgio -L/usr/local/Cellar/dmd/2.074.0/lib dbgio.o -no_compact_unwind -lgmp -lc -lgmp -lgmp -lgmp -lgmp -lc -lphobos2 -lpthread -lm -lSystem /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/8.1.0/lib/darwin/libclang_rt.osx.a Undefined symbols for architecture x86_64: "free", referenced from: _D3gmp1z3MpZ6__ctorMFNaNbNcNiNexAyakZS3gmp1z3MpZ in dbgio.o _D3gmp1z3MpZ10fromStringMFNaNbNcNiNjNexAyakZS3gmp1z3MpZ in dbgio.o (maybe you meant: _D2rt4util9container5treap33__T5TreapTS2gc11gcinterface4RootZ5Treap8freeNodeFNbNiPS2rt4util9container5treap33__T5TreapTS2gc11gcinterface4RootZ5Treap4NodeZv, _D2gc4impl12conservative2gc3Gcx8log_freeMFNbPvZv , _D2gc4impl12conservative2gc4Pool12freePageBitsMFNbmKxG4mZv , _D2gc4impl12conservative2gc8freeTimel , _D2rt5minfo11ModuleGroup4freeMFZv , _D2gc4impl6manual2gc8ManualGC4freeMFNbPvZv , _D2gc4impl12conservative2gc14ConservativeGC10freeNoSyncMFNbPvZv , _D2gc4impl12conservative2gc14ConservativeGC163__T9runLockedS63_D2gc4impl12conservative2gc14ConservativeGC10freeNoSyncMFNbPvZvS37_D2gc4impl12conservative2gc8freeTimelS37_D2gc4impl12conservative2gc8numFreeslTPvZ9runLockedMFNbKPvZv , _D2rt4util9container5treap34__T5TreapTS2gc11gcinterface5RangeZ5Treap8freeNodeFNbNiPS2rt4util9container5treap34__T5TreapTS2gc11gcinterface5RangeZ5Treap4NodeZv , _D2gc4impl12conservative2gc15LargeObjectPool9freePagesMFNbmmZv , _D2rt7dwarfeh15ExceptionHeader4freeFPS2rt7dwarfeh15ExceptionHeaderZv , _D2gc4! impl12conservative2gc14ConservativeGC4freeMFNbPvZv , _D4core6memory2GC4freeFNaNbPvZv , _gc_free ) "malloc", referenced from: _D3gmp1z3MpZ19_allocStringzCopyOfMFNaNbNiNexAyaZPa in dbgio.o (maybe you meant: _D2gc4impl12conservative2gc3Gcx10log_mallocMFNbPvmZv, _D2gc4impl12conservative2gc10mallocTimel , _D2gc4impl6manual2gc8ManualGC6mallocMFNbmkxC8TypeInfoZPv , _D2gc4impl12conservative2gc14ConservativeGC207__T9runLockedS83_D2gc4impl12conservative2gc14ConservativeGC13reallocNoSyncMFNbPvmKkKmxC8TypeInfoZPvS40_D2gc4impl12conservative2gc10mallocTimelS40_D2gc4impl12conservative2gc10numMallocslTPvTmTkTmTxC8TypeInfoZ9runLockedMFNbKPvKmKkKmKxC8TypeInfoZPv , _D2gc4impl12conservative2gc14ConservativeGC6mallocMFNbmkxC8TypeInfoZPv , _D2gc4impl12conservative2gc14ConservativeGC12mallocNoSyncMFNbmkKmxC8TypeInfoZPv , _D4core6memory2GC6mallocFNaNbmkxC8TypeInfoZPv , _gc_malloc , _D2rt4util9container6common7xmallocFNbNimZPv , _D2gc4impl12conservative2gc14ConservativeGC200__T9runLockedS79_D2gc4impl12conservative2gc14ConservativeGC12mallocNoSyncMFNbmkKmxC8TypeInfoZPvS40_D2gc4impl12conservative2gc10mallocTimelS40_D2gc4impl12conservative2gc10numMallocslTmTkTmTxC8TypeInfoZ9runLockedMFNbKmKkKmKxC8TypeInfoZPv ) ld: symbol(s) not found for architecture x86_64 clang: error: linker command failed with exit code 1 (use -v to see invocation) -- From there the command which yielded the error is: "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld" -demangle -lto_library /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/libLTO.dylib -dynamic -arch x86_64 -macosx_version_min 10.12.0 -o dbgio -L/usr/local/Cellar/dmd/2.074.0/lib dbgio.o -no_compact_unwind -lgmp -lc -lgmp -lgmp -lgmp -lgmp -lc -lphobos2 -lpthread -lm -lSystem /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/8.1.0/lib/darwin/libclang_rt.osx.a -v The
Re: Linker cannot find malloc and free on OS X
On Sunday, 4 June 2017 at 16:13:22 UTC, Jacob Carlborg wrote: On 2017-06-04 12:45, Nordlöw wrote: My gmp-d tests successfully on Linux as dub test but on OS X it fails as Undefined symbols for architecture x86_64: "free", referenced from: ... "malloc", referenced from: ... Any ideas on why? https://github.com/nordlow/gmp-d/issues/4#issuecomment-305974761 I would recommend adding the --verbose flag to see the exact commands invoked. That will print how the D compiler was invoked. The copy-paste the exact command and add the -v flag (for verbose). To the same with the C compiler and the linker. The flag -L-lc seems to have been passed to the library. This is the full error message after running it with dub test --verbose Using dub registry url 'http://code.dlang.org/' Refreshing local packages (refresh existing: true)... Looking for local package map at /var/lib/dub/packages/local-packages.json Looking for local package map at /Users/kdkdk/.dub/packages/local-packages.json Determined package version using GIT: gmp-d 0.0.3+commit.16.gedb1291 Refreshing local packages (refresh existing: false)... Looking for local package map at /var/lib/dub/packages/local-packages.json Looking for local package map at /Users/kdkdk/.dub/packages/local-packages.json Found dependency libgmp 1.0.0 Refreshing local packages (refresh existing: false)... Looking for local package map at /var/lib/dub/packages/local-packages.json Looking for local package map at /Users/kdkdk/.dub/packages/local-packages.json Found dependency libgmp 1.0.0 Checking for upgrades. Using cached upgrade results... Generating test runner configuration 'gmp-d-test-library' for 'library' (library). Get module name from path: /Users/kdkdk/Documents/psi/gmp-d/src/gmp/dbgio.d Get module name from path: /Users/kdkdk/Documents/psi/gmp-d/src/gmp/f.d Excluding package.d file from test due to https://issues.dlang.org/show_bug.cgi?id=11847 Get module name from path: /Users/kdkdk/Documents/psi/gmp-d/src/gmp/q.d Get module name from path: /Users/kdkdk/Documents/psi/gmp-d/src/gmp/traits.d Get module name from path: /Users/kdkdk/Documents/psi/gmp-d/src/gmp/z.d Refreshing local packages (refresh existing: false)... Looking for local package map at /var/lib/dub/packages/local-packages.json Looking for local package map at /Users/kdkdk/.dub/packages/local-packages.json Found dependency libgmp 1.0.0 Generate target gmp-d (executable /Users/kdkdk/Documents/psi/gmp-d gmp-d-test-library) Generate target libgmp (staticLibrary /Users/kdkdk/.dub/packages/libgmp-1.0.0/libgmp libgmp) Performing "unittest" build using dmd for x86_64. libgmp 1.0.0: target for configuration "library" is up to date. Using existing build in /Users/kdkdk/.dub/packages/libgmp-1.0.0/libgmp/.dub/build/library-unittest-posix.osx-x86_64-dmd_2074-0CBFB25E65B46672F7CAF7CC5BABCE87/. Copying target from /Users/kdkdk/.dub/packages/libgmp-1.0.0/libgmp/.dub/build/library-unittest-posix.osx-x86_64-dmd_2074-0CBFB25E65B46672F7CAF7CC5BABCE87/liblibgmp.a to /Users/kdkdk/.dub/packages/libgmp-1.0.0/libgmp Target '/Users/kdkdk/Documents/psi/gmp-d/.dub/build/gmp-d-test-library-unittest-posix.osx-x86_64-dmd_2074-6A4F59B4FBEFFE587575F03F4A8B5BD0/gmp-d-test-library' doesn't exist, need rebuild. gmp-d 0.0.3+commit.16.gedb1291: building configuration "gmp-d-test-library"... Using direct -l... flags for gmp, c. dmd -c -of.dub/build/gmp-d-test-library-unittest-posix.osx-x86_64-dmd_2074-6A4F59B4FBEFFE587575F03F4A8B5BD0/gmp-d-test-library.o -debug -g -unittest -w -version=VibeCustomMain -version=Have_gmp_d -version=Have_libgmp -Isrc/ -I../../../.dub/packages/libgmp-1.0.0/libgmp/source/ ../../../../../var/folders/7s/rl2b7bj92t7c2dlnnmgzmc20gn/T/dub_test_root-94ea7d66-86c6-4a27-9ede-42b0d74e6604.d src/gmp/dbgio.d src/gmp/f.d src/gmp/package.d src/gmp/q.d src/gmp/traits.d src/gmp/z.d -vcolumns Linking... dmd -of.dub/build/gmp-d-test-library-unittest-posix.osx-x86_64-dmd_2074-6A4F59B4FBEFFE587575F03F4A8B5BD0/gmp-d-test-library .dub/build/gmp-d-test-library-unittest-posix.osx-x86_64-dmd_2074-6A4F59B4FBEFFE587575F03F4A8B5BD0/gmp-d-test-library.o ../../../.dub/packages/libgmp-1.0.0/libgmp/.dub/build/library-unittest-posix.osx-x86_64-dmd_2074-0CBFB25E65B46672F7CAF7CC5BABCE87/liblibgmp.a -L-lgmp -L-lc -g Undefined symbols for architecture x86_64: "free", referenced from: _D3gmp1z3MpZ6__ctorMFNaNbNcNiNexAyakZS3gmp1z3MpZ in gmp-d-test-library.o _D3gmp1z3MpZ10fromStringMFNaNbNcNiNjNexAyakZS3gmp1z3MpZ in gmp-d-test-library.o (maybe you meant: _D2rt4util9container5treap33__T5TreapTS2gc11gcinterface4RootZ5Treap8freeNodeFNbNiPS2rt4util9container5treap33__T5TreapTS2gc11gcinterface4RootZ5Treap4NodeZv, _D2gc4impl12conservative2gc3Gcx8log_freeMFNbPvZv , _D2gc4impl12conservative2gc15LargeObjectPool9freePagesMFNbmmZv , _D4core6memory2GC4freeFNaNbPvZv ,
