Please try this patch:
Index: config.in =================================================================== --- config.in (revision 248482) +++ config.in (working copy) @@ -76,12 +76,16 @@ #undef HAVE_DECL_SBRK /* Define to 1 if you have the declaration of `snprintf', and to 0 if you don't. */ #undef HAVE_DECL_SNPRINTF +/* Define to 1 if you have the declaration of `strnlen', and to 0 if you + don't. */ +#undef HAVE_DECL_STRNLEN + /* Define to 1 if you have the declaration of `strtol', and to 0 if you don't. */ #undef HAVE_DECL_STRTOL /* Define to 1 if you have the declaration of `strtoll', and to 0 if you don't. */ Index: configure =================================================================== --- configure (revision 248482) +++ configure (working copy) @@ -5861,12 +5861,22 @@ else ac_have_decl=0 fi cat >>confdefs.h <<_ACEOF #define HAVE_DECL_STRTOULL $ac_have_decl _ACEOF +ac_fn_c_check_decl "$LINENO" "strnlen" "ac_cv_have_decl_strnlen" "$ac_includes_default" +if test "x$ac_cv_have_decl_strnlen" = x""yes; then : + ac_have_decl=1 +else + ac_have_decl=0 +fi + +cat >>confdefs.h <<_ACEOF +#define HAVE_DECL_STRNLEN $ac_have_decl +_ACEOF $as_echo "#define HAVE_SYS_ERRLIST 1" >>confdefs.h $as_echo "#define HAVE_SYS_NERR 1" >>confdefs.h @@ -7002,12 +7012,23 @@ else fi cat >>confdefs.h <<_ACEOF #define HAVE_DECL_STRVERSCMP $ac_have_decl _ACEOF + ac_fn_c_check_decl "$LINENO" "strnlen" "ac_cv_have_decl_strnlen" "$ac_includes_default" +if test "x$ac_cv_have_decl_strnlen" = x""yes; then : + ac_have_decl=1 +else + ac_have_decl=0 +fi + +cat >>confdefs.h <<_ACEOF +#define HAVE_DECL_STRNLEN $ac_have_decl +_ACEOF + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether canonicalize_file_name must be declared" >&5 $as_echo_n "checking whether canonicalize_file_name must be declared... " >&6; } if test "${libiberty_cv_decl_needed_canonicalize_file_name+set}" = set; then : $as_echo_n "(cached) " >&6 else cat confdefs.h - <<_ACEOF >conftest.$ac_ext Index: configure.ac =================================================================== --- configure.ac (revision 248482) +++ configure.ac (working copy) @@ -413,13 +413,13 @@ if test "x" = "y"; then stpcpy stpncpy strcasecmp strchr strdup \ strerror strncasecmp strndup strnlen strrchr strsignal strstr strtod \ strtol strtoul strtoll strtoull strverscmp sysconf sysctl sysmp \ table times tmpnam \ vasprintf vfprintf vprintf vsprintf \ wait3 wait4 waitpid) - AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf, strtol, strtoul, strtoll, strtoull]) + AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf, strtol, strtoul, strtoll, strtoull, strnlen]) AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.]) AC_DEFINE(HAVE_SYS_NERR, 1, [Define if you have the sys_nerr variable.]) AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.]) fi # For each of these functions, if the host does not provide the @@ -686,12 +686,13 @@ if test -z "${setobjs}"; then AC_CHECK_FUNCS($checkfuncs) AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf]) AC_CHECK_DECLS([calloc, getenv, getopt, malloc, realloc, sbrk]) AC_CHECK_DECLS([strtol, strtoul, strtoll, strtoull]) AC_CHECK_DECLS([strverscmp]) + AC_CHECK_DECLS([strnlen]) libiberty_NEED_DECLARATION(canonicalize_file_name) fi # Figure out which version of pexecute to use. case "${host}" in *-*-mingw* | *-*-winnt*) pexecute=pex-win32 ;;