if test $ac_cv_func_strerror_r = yes; then
if test -z "$ERRNO_H"; then
dnl The POSIX prototype is: int strerror_r (int, char *, size_t);
- dnl glibc's prototype: char *strerror_r (int, char *, size_t);
+ dnl glibc, Cygwin: char *strerror_r (int, char *, size_t);
dnl AIX 5.1, OSF/1 5.1: int strerror_r (int, char *, int);
AC_CACHE_CHECK([for strerror_r with POSIX signature],
[gl_cv_func_strerror_r_posix_signature],