=> "/opt/pkg/bin/bmake" ["-C", "/data/jenkins/workspace/pkgsrc-upstream-trunk/pkgtools/binpatch", "all", "BATCH=1", "DEPENDS_TARGET=/nonexistent"]
===> Building for binpatch-1.0
gcc  -pipe -O2 -msave-args -fno-aggressive-loop-optimizations  -o binpatch binpatch.c
binpatch.c: In function 'main':
binpatch.c:160:13: error: implicit declaration of function 'lseek'; did you mean 'fseek'? [-Wimplicit-function-declaration]
  160 |         if (lseek(f, cmp_off, SEEK_SET) == -1)
      |             ^~~~~
      |             fseek
binpatch.c:162:13: error: implicit declaration of function 'read'; did you mean 'fread'? [-Wimplicit-function-declaration]
  162 |         if (read(f, buf, lget) != lget)
      |             ^~~~
      |             fread
binpatch.c:168:13: error: implicit declaration of function 'write'; did you mean 'fwrite'? [-Wimplicit-function-declaration]
  168 |         if (write(f, put, lput) != lput)
      |             ^~~~~
      |             fwrite
binpatch.c:170:13: error: implicit declaration of function 'close'; did you mean 'pclose'? [-Wimplicit-function-declaration]
  170 |         if (close(f) != 0)
      |             ^~~~~
      |             pclose
*** Error code 1

Stop.
bmake[1]: stopped making "all" in /data/jenkins/workspace/pkgsrc-upstream-trunk/pkgtools/binpatch
*** Error code 1

Stop.
bmake: stopped making "all" in /data/jenkins/workspace/pkgsrc-upstream-trunk/pkgtools/binpatch