mingw32 build fails due to readline dependency

[edolstra]

Describe the bug

https://hydra.nixos.org/build/295473250

x86_64-w64-mingw32-gcc -c -DHAVE_CONFIG_H -DCROSS_COMPILING  -I. -I.. -I..  -DRL_LIBRARY_VERSION='"8.2"' -DBRACKETED_PASTE_DEFAULT=1 -g -O2 -Wno-parentheses -Wno-format-security -Wno-tautological-constant-out-of-range-compare  -o input.o ../input.c 
../input.c: In function 'set_alarm':
../input.c:554:10: error: implicit declaration of function 'alarm' []
  554 |   return alarm (*secs);
      |          ^~~~~

Steps To Reproduce

Expected behavior

Metadata

Additional context

Checklist

• checked latest Nix manual (source)
• checked open bug issues and pull requests for possible duplicates

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[Ericson2314]

This is fixed on Nixpkgs master: NixOS/nixpkgs@177e7d4