Checking patch libio/Makefile...
error: while searching for:
  tst-eof \
  tst-ext \
  tst-ext2 \
  tst-fdopen-seek-failure \
  tst-fgetc-after-eof \
  tst-fgetwc \

error: patch failed: libio/Makefile:95
error: libio/Makefile: patch does not apply
Checking patch libio/tst-fclose-unopened.c...
error: libio/tst-fclose-unopened.c: already exists in working directory