checking for error.h... no checking whether malloc, realloc, calloc set errno on failure... yes checking for error... no checking whether error_at_line is declared... no checking whether strerror_r is declared... yes checking whether strerror_r returns char *... no checking whether strerror(0) succeeds... yes checking for C compiler option to allow warnings... -Wno-error checking whether the C locale is free of encoding errors... yes checking whether the C locale is free of encoding errors... yes checking whether the -Werror option is usable... yes checking for working strerror function... yes checking whether unlink of a parent directory fails as it should... guessing yes checking for attr/error_context.h... no GEN error.h CC libpatch_a-error.o CC libpatch_a-exitfail.o FAIL: deep-directories XFAIL: dash-o-append XFAIL: context-format # XFAIL: 2 # FAIL: 1 # ERROR: 0 make[4]: *** [Makefile:1891: test-suite.log] Error 1 make[3]: *** [Makefile:1999: check-TESTS] Error 2 make[2]: *** [Makefile:2407: check-am] Error 2 make[1]: *** [Makefile:1798: check-recursive] Error 1 make: *** [Makefile:2096: check] Error 2 >>> ERROR: patch: check failed