Cross compilation from Debian 12 to macos missing

[ikks]

Hi there, thank you for this effort, I would like to use lmdb with zig, cross compile and test.
I'm on Debian 12, with zig 0.13.0.

Follows the output

$ zig build tools -Dtarget=x86_64-macos
tools
└─ install mplay
   └─ zig build-exe mplay Debug x86_64-macos
      └─ zig build-lib lmdb Debug x86_64-macos 1 errors
/home/igor/.cache/zig/p/12205c0f7d4ad44b671cf89a7793aafa31ba4739f01b706313e4eadc944b734bd224/libraries/liblmdb/mdb.c:160:10: error: 'resolv.h' file not found
#include <resolv.h> /* defines BYTE_ORDER on HPUX and Solaris */
         ^~~~~~~~~~~
error: warning(compilation): failed to delete '/home/igor/playground/zig/lmdb-options/acbtu/.zig-cache/tmp/4ea43460777dd969-mdb.o.d': FileNotFound

error: the following command failed with 1 compilation errors:
/home/igor/playground/zig/zig-linux-x86_64-0.13.0/zig build-lib -fno-llvm -fno-lld -cflags -pthread -std=c23 -- /home/igor/.cache/zig/p/12205c0f7d4ad44b671cf89a7793aafa31ba4739f01b706313e4eadc944b734bd224/libraries/liblmdb/mdb.c /home/igor/.cache/zig/p/12205c0f7d4ad44b671cf89a7793aafa31ba4739f01b706313e4eadc944b734bd224/libraries/liblmdb/midl.c -fno-strip -fno-sanitize-c -ODebug -target x86_64-macos -mcpu baseline -I /home/igor/.cache/zig/p/12205c0f7d4ad44b671cf89a7793aafa31ba4739f01b706313e4eadc944b734bd224/libraries/liblmdb -D_XOPEN_SOURCE=600 -Mroot -lc --cache-dir /home/igor/playground/zig/lmdb-options/acbtu/.zig-cache --global-cache-dir /home/igor/.cache/zig --name lmdb -static -fno-lto --listen=- 
Build Summary: 1/15 steps succeeded; 1 failed (disable with --summary none)
tools transitive failure
├─ install mdb_copy transitive failure
│  └─ zig build-exe mdb_copy Debug x86_64-macos transitive failure
│     └─ zig build-lib lmdb Debug x86_64-macos 1 errors
├─ install mdb_drop transitive failure
│  └─ zig build-exe mdb_drop Debug x86_64-macos transitive failure
│     └─ zig build-lib lmdb Debug x86_64-macos (reused)
├─ install mdb_dump transitive failure
│  └─ zig build-exe mdb_dump Debug x86_64-macos transitive failure
│     └─ zig build-lib lmdb Debug x86_64-macos (reused)
├─ install mdb_load transitive failure
│  └─ zig build-exe mdb_load Debug x86_64-macos transitive failure
│     └─ zig build-lib lmdb Debug x86_64-macos (reused)
├─ install mdb_stat transitive failure
│  └─ zig build-exe mdb_stat Debug x86_64-macos transitive failure
│     └─ zig build-lib lmdb Debug x86_64-macos (reused)
└─ install mplay transitive failure
   └─ zig build-exe mplay Debug x86_64-macos transitive failure
      └─ zig build-lib lmdb Debug x86_64-macos (reused)
error: the following build command failed with exit code 1:
/home/igor/playground/zig/lmdb-options/acbtu/.zig-cache/o/8b8a090cd1cdbaa98919363df8845d5e/build /home/igor/playground/zig/zig-linux-x86_64-0.13.0/zig /home/igor/playground/zig/lmdb-options/acbtu /home/igor/playground/zig/lmdb-options/acbtu/.zig-cache /home/igor/.cache/zig --seed 0x83b9d081 -Z83ccb1a88b79bbb2 tools -Dtarget=x86_64-macos