Running phase: unpackPhase
unpacking source archive /nix/store/l5iy9dgq8l2plhs8c5asgydy7wr4i2fd-dirdiff-2.1.tar.gz
source root is dirdiff-2.1
setting SOURCE_DATE_EPOCH to timestamp 1113991793 of file "dirdiff-2.1/dirdiff"
Running phase: patchPhase
applying patch /nix/store/kpis14q53v2j7iq1zj2xd1afmz9v68gp-dirdiff-2.1-vars.patch
patching file dirdiff
patching file Makefile
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
gcc -O3 -I/nix/store/90f9kms8y7avrkaxlhz6npvvww673f8m-tcl-8.6.15/include -shared -o libfilecmp.so.0.0 filecmp.c
filecmp.c: In function 'FileCmpCmd':
filecmp.c:278:9: error: implicit declaration of function 'close'; did you mean 'pclose'? [8;;https://gcc.gnu.org/onlinedocs/gcc-14.2.0/gcc/Warning-Options.html#index-Wimplicit-function-declaration-Wimplicit-function-declaration8;;]
  278 |         close(f1);
      |         ^~~~~
      |         pclose
filecmp.c:293:18: error: implicit declaration of function 'read'; did you mean 'fread'? [8;;https://gcc.gnu.org/onlinedocs/gcc-14.2.0/gcc/Warning-Options.html#index-Wimplicit-function-declaration-Wimplicit-function-declaration8;;]
  293 |             n1 = read(f1, b1 + k1, BSIZE - k1);
      |                  ^~~~
      |                  fread
filecmp.c:344:5: warning: 'result' is deprecated: use Tcl_GetStringResult/Tcl_SetResult [8;;https://gcc.gnu.org/onlinedocs/gcc-14.2.0/gcc/Warning-Options.html#index-Wdeprecated-declarations-Wdeprecated-declarations8;;]
  344 |     sprintf(interp->result, "%d", same);
      |     ^~~~~~~
In file included from filecmp.c:12:
/nix/store/90f9kms8y7avrkaxlhz6npvvww673f8m-tcl-8.6.15/include/tcl.h:513:11: note: declared here
  513 |     char *result TCL_DEPRECATED_API("use Tcl_GetStringResult/Tcl_SetResult");
      |           ^~~~~~
make: *** [Makefile:15: libfilecmp.so.0.0] Error 1