crystalStatic doesn't build on x86-linux

[rbishop]

Fails due to undefined references. It seems to be trying to use musl instead of libc on my machine

error: builder for '/nix/store/1x5ms4d6dnf92bv992534chxvr7k222q-check-crystal-static-x86_64-unknown-linux-musl-1.11.2.drv' failed with exit code 1;
       last 6 log lines:
       > /nix/store/0gi4vbw1qfjncdl95a9ply43ymd6aprm-binutils-2.40/bin/ld: /nix/store/6wfpsbqw40awg87x05h7c3fm26vdlvir-libevent-static-x86_64-unknown-linux-musl-2.1.12/lib/libevent.a(evutil.o): in function `evutil_getenv_':
       > (.text+0x2ca5): undefined reference to `issetugid'
       > /nix/store/0gi4vbw1qfjncdl95a9ply43ymd6aprm-binutils-2.40/bin/ld: /nix/store/38zmyyxnqgw5cpxa83gmwvy4acjyr2k4-boehm-gc-static-x86_64-unknown-linux-musl-8.2.2/lib/libgc.a(os_dep.o): in function `GC_find_limit_with_bound':
       > (.text+0xc74): undefined reference to `sigsetjmp'
       > collect2: error: ld returned 1 exit status
       > Error: execution of command failed with exit status 1: gcc "${@}" -o /build/.crystal/crystal-run-eval.tmp  -rdynamic -L/nix/store/38zmyyxnqgw5cpxa83gmwvy4acjyr2k4-boehm-gc-static-x86_64-unknown-linux-musl-8.2.2/lib -L/nix/store/vdh847lbm49x56gxg02582vy8mcmpybh-gmp-with-cxx-static-x86_64-unknown-linux-musl-6.3.0/lib -L/nix/store/6wfpsbqw40awg87x05h7c3fm26vdlvir-libevent-static-x86_64-unknown-linux-musl-2.1.12/lib -L/nix/store/vpnsiap6kdzq0r71m0v9gaa8wwyawr33-libffi-static-x86_64-unknown-linux-musl-3.4.4/lib -L/nix/store/wmxp34wwc7j3lw4fwl50h6vpznhlqljs-libxml2-static-x86_64-unknown-linux-musl-2.12.3-unstable-2023-12-14/lib -L/nix/store/1b39nmcnl43y25iykv6shx6vn04rsl8a-libyaml-static-x86_64-unknown-linux-musl-0.2.5/lib -L/nix/store/i3b5b73wmd7z9yq4gg77r0a0vqplx41a-openssl-static-x86_64-unknown-linux-musl-3.0.12/lib -L/nix/store/d2j05qn5w25q4zgnbr0wqlhck91416bs-pcre2-static-x86_64-unknown-linux-musl-10.42/lib -L/nix/store/jvkmzfyri69xi8b30g0zi53hr8am67vz-zlib-static-x86_64-unknown-linux-musl-1.3/lib -lpcre2-8 -lgc -lpthread -levent -lrt -lpthread -ldl

[rbishop]

An issue could be that it is still dynamically linked, at least for libc

~/c/crunchy-nixpkgs ❯❯❯ nix build .\#crystalStatic                                                                                                                                 downgrade-llvm-15 ✱ ◼
~/c/crunchy-nixpkgs ❯❯❯ file result/bin/crystal                                                                                                                                    downgrade-llvm-15 ✱ ◼
result/bin/crystal: ELF 64-bit LSB pie executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /nix/store/ka137y1kby5x1v0wknzzfgzack4156yc-musl-static-x86_64-unknown-linux-musl-1.2.3/lib/ld-musl-x86_64.so.1, not stripped
~/c/crunchy-nixpkgs ❯❯❯ ldd result/bin/crystal                                                                                                                                     downgrade-llvm-15 ✱ ◼
        linux-vdso.so.1 (0x00007ffd0fde4000)
        libc.so => /nix/store/ka137y1kby5x1v0wknzzfgzack4156yc-musl-static-x86_64-unknown-linux-musl-1.2.3/lib/libc.so (0x00007f5bafba2000)