Problem with static linknig

[4e6]

I'm trying to create a static executable which depends on text-icu.

Here is the minified example https://github.com/4e6/text-icu-static-example

To enable static linking, I build icu with --enable-static flag here:

  # http://userguide.icu-project.org/packaging#TOC-Link-to-ICU-statically
  icu-static = pkgs.icu.overrideAttrs (attrs: {
    dontDisableStatic = true;
    configureFlags = (attrs.configureFlags or "") + " --enable-static";
    outputs = attrs.outputs ++ [ "static" ];
    postInstall = ''
      mkdir -p $static/lib
      mv -v lib/*.a $static/lib
    '' + (attrs.postInstall or "");
  });

And add following ghc options here:

        configureFlags = [
          "--ghc-option=-optl=-static"
          "--ghc-option=-optl=-pthread"
          "--ghc-option=-optl=-L${pkgs.glibc.static}/lib"
          "--ghc-option=-optl=-L${pkgs.gmp6.override { withStatic = true; }}/lib"
          "--ghc-option=-optl=-L${icu-static.static}/lib"
        ];

As a result of nix-build ., I'm getting a lot of errors about undefined references, see nix-build.log:

/nix/store/2h1il2pyfh20kc5rh7vnp5a564alxr21-icu4c-59.1-static/lib/libicui18n.a(regexcmp.ao):(.text+0x7805): more undefined references to `icu_59::UVector64::setElementAt(long, int)' follow
/nix/store/2h1il2pyfh20kc5rh7vnp5a564alxr21-icu4c-59.1-static/lib/libicui18n.a(regexcmp.ao): In function `icu_59::RegexCompile::compile(UText*, UParseError&, UErrorCode&)':
(.text+0x8355): undefined reference to `__cxa_throw_bad_array_new_length'
/nix/store/2h1il2pyfh20kc5rh7vnp5a564alxr21-icu4c-59.1-static/lib/libicui18n.a(regexcmp.ao):(.data.rel.ro._ZTIN6icu_5912RegexCompileE[_ZTIN6icu_5912RegexCompileE]+0x0): undefined reference to `vtable for __cxxabiv1::__si_class_type_info'
collect2: error: ld returned 1 exit status
`cc' failed in phase `Linker'. (Exit code: 1)

This setup works with other libraries but fails with text-icu. Any ideas on what I'm doing wrong?

[andreasabel]

I tried your text-icu-static-example on macOS with latest text (had to bump the <2 bound) and text-icu. However, on macOS static linking does not seem to be supported generally:

$ cabal build --enable-executable-static
...
ld: library not found for -lcrt0.o
clang: error: linker command failed with exit code 1 (use -v to see invocation)
ghc-9.4.2: `gcc' failed in phase `Linker'. (Exit code: 1)

Does the problem still persists on Linux?

[sgillespie]

I just happened to run into this as well. Adding:

build-depends: double-conversion

Seems to fix it