Running phase: unpackPhase
unpacking source archive /nix/store/7bkh3madszyr49pyyg4nli9jsrr595jh-xbattbar
source root is xbattbar
Running phase: patchPhase
patching file xbattbar.c
Running phase: updateAutotoolsGnuConfigScriptsPhase
Running phase: configurePhase
no configure script, doing nothing
Running phase: buildPhase
build flags: SHELL=/nix/store/11ciq72n4fdv8rw6wgjgasfv4mjs1jrw-bash-5.2p37/bin/bash
mkdir obj
touch obj/stamp
gcc -MMD -o obj/xbattbar.o -c xbattbar.c -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -D_FORTIFY_SOURCE=2
xbattbar.c:234:1: error: return type defaults to 'int' [8;;https://gcc.gnu.org/onlinedocs/gcc-14.2.0/gcc/Warning-Options.html#index-Wimplicit-int-Wimplicit-int8;;]
  234 | main(int argc, char **argv)
      | ^~~~
make: *** [Makefile:17: obj/xbattbar.o] Error 1