Re: Compiling Unison with OCaml 4.08

Hi,

I successfully built unison with OCaml 4.08.1 on Mojave a few weeks ago.

At first, I hit the same error as you though (linker can’t find the bigarray library). I assumed it was a problem with my OCaml installation and worked around it by creating a symlink:

$ cd /usr/local/lib/ocaml
$ ln -s bigarray.a libbigarray.a

Best,
Jakob


> On 03.12.2019, at 15:31, Benjamin C. Pierce <[email protected]> wrote:
> 
> Has anyone been able to compile the GUI version of unison with OCaml 4.08?  I get this (on both Catalina and Mohave):
> 
> …
> Ld /Users/bcpierce/home1/unison/src/uimac/build/Default/Unison.app/Contents/MacOS/Unison normal x86_64 (in target 'uimac' from project 'uimacnew')
>     cd /Users/bcpierce/home1/unison/src/uimac
>     /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -target x86_64-apple-macos10.6 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk -L/Users/bcpierce/home1/unison/src/uimac/build/Default -F/Users/bcpierce/home1/unison/src/uimac/build/Default -filelist /Users/bcpierce/home1/unison/src/uimac/build/uimacnew.build/Default/uimac.build/Objects-normal/x86_64/Unison.LinkFileList -Xlinker -object_path_lto -Xlinker /Users/bcpierce/home1/unison/src/uimac/build/uimacnew.build/Default/uimac.build/Objects-normal/x86_64/Unison_lto.o -fobjc-link-runtime -L/Users/bcpierce/.opam/default/lib/ocaml -lunix -lthreadsnat -lcamlstr -lbigarray -lasmrun -framework Cocoa -framework Security -framework ExceptionHandling -Xlinker -dependency_info -Xlinker /Users/bcpierce/home1/unison/src/uimac/build/uimacnew.build/Default/uimac.build/Objects-normal/x86_64/Unison_dependency_info.dat -o /Users/bcpierce/home1/unison/src/uimac/build/Default/Unison.app/Contents/MacOS/Unison
> ld: library not found for -lbigarray
> clang: error: linker command failed with exit code 1 (use -v to see invocation)
> 
> ** BUILD FAILED **
> 
> Any idea what’s wrong here?  (The text UI builds fine.)
> 
> Thanks!
> 
>     - Benjamin
> 
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