Build: C: Implicit declaration of function strnlen

[foxyseta]

I am having trouble building the latest version (5.0.18.4) via cabal.

[28 of 28] Compiling Hoogle           ( src/Hoogle.hs, dist/build/Hoogle.o, dist/build/Hoogle.dyn_o )

In file included from cbits/text_search.c:2:0: error:
/usr/include/fortify/string.h: In function 'strncat':

/usr/include/fortify/string.h:297:36: error:
     error: implicit declaration of function 'strnlen'; did you mean 'strlen'? [-Wimplicit-function-declaration]
      297 |                 __fh_size_t __sl = strnlen(__s, __n);
          |                                    ^~~~~~~
          |                                    strlen
    |
297 |                 __fh_size_t __sl = strnlen(__s, __n);
    |                                    ^
`gcc' failed in phase `C Compiler'. (Exit code: 1)
Error: cabal: Failed to build hoogle-5.0.18.4 (which is required by exe:hoogle
from hoogle-5.0.18.4). See the build log above for details.

I am on MUSL (Alpine Linux 3.20).