checking for error.h... no
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 malloc, realloc, calloc set errno on failure... yes
checking whether strerror(0) succeeds... yes
checking for C compiler option to allow warnings... -Wno-error
checking whether the -Werror option is usable... yes
checking for working strerror function... yes
checking whether C compiler handles -Werror -Wunknown-warning-option... no
  CFLAGS:             -Os -fstack-clash-protection -Wformat -Werror=format-security -fno-plt
      WERROR_CFLAGS:  
WERROR_TESTS_CFLAGS:  
  GEN      error.h
  CC       libgnu_la-error.lo
  CC       error.lo
    |   53 |           if (idn2_strerror_name (err))
    |   55 |           if (idn2_strerror (err))
# XFAIL: 0
# FAIL:  0
# ERROR: 0
# XFAIL: 0
# FAIL:  0
# ERROR: 0
make  test-version test-strerror test-locale test-tounicode test-punycode test-compat-punycode test-IdnaTest-inc test-IdnaTest-txt test-lookup test-register  \
  CC       test-strerror.o
  739 |    "\xd0\x94\xd0\xb0\xc1\x80", "", IDN2_ENCODING_ERROR},
  864 |   {"xn--te_", "", IDN2_ALABEL_ROUNDTRIP_FAILED},
  CCLD     test-strerror
PASS: test-strerror
FAIL: test-idn2.sh
# XFAIL: 0
# FAIL:  1
# ERROR: 0
make[5]: *** [Makefile:2216: test-suite.log] Error 1
make[4]: *** [Makefile:2324: check-TESTS] Error 2
make[3]: *** [Makefile:2467: check-am] Error 2
make[2]: *** [Makefile:2470: check] Error 2
make[1]: *** [Makefile:1901: check-recursive] Error 1
make: *** [Makefile:2201: check] Error 2
>>> ERROR: libidn2: check failed