Remove all traces of HAVE_STRERROR.

The removal of strerror.c led to the function check being removed from
configure.in.

Modules/_fileio.c

@@ -104,11 +104,7 @@ dircheck(PyFileIOObject* self)
 	if (self->fd < 0)
 		return 0;
 	if (fstat(self->fd, &buf) == 0 && S_ISDIR(buf.st_mode)) {
-#ifdef HAVE_STRERROR
 		char *msg = strerror(EISDIR);
-#else
-		char *msg = "Is a directory";
-#endif
 		PyObject *exc;
 		internal_close(self);
 
@@ -295,12 +291,8 @@ fileio_dealloc(PyFileIOObject *self)
 	if (self->fd >= 0 && self->closefd) {
 		errno = internal_close(self);
 		if (errno < 0) {
-#ifdef HAVE_STRERROR
 			PySys_WriteStderr("close failed: [Errno %d] %s\n",
                                           errno, strerror(errno));
-#else
-			PySys_WriteStderr("close failed: [Errno %d]\n", errno);
-#endif
 		}
 	}
 

Modules/main.c

@@ -539,13 +539,9 @@ Py_Main(int argc, char **argv)
 
 		if (sts==-1 && filename!=NULL) {
 			if ((fp = fopen(filename, "r")) == NULL) {
-#ifdef HAVE_STRERROR
 				fprintf(stderr, "%s: can't open file '%s': [Errno %d] %s\n",
 					argv[0], filename, errno, strerror(errno));
-#else
+
-				fprintf(stderr, "%s: can't open file '%s': Errno %d\n",
-					argv[0], filename, errno);
-#endif
 				return 2;
 			}
 			else if (skipfirstline) {

Modules/posixmodule.c

@@ -6710,7 +6710,6 @@ posix_unsetenv(PyObject *self, PyObject *args)
 }
 #endif /* unsetenv */
 
-#ifdef HAVE_STRERROR
 PyDoc_STRVAR(posix_strerror__doc__,
 "strerror(code) -> string\n\n\
 Translate an error code to a message string.");
@@ -6730,7 +6729,6 @@ posix_strerror(PyObject *self, PyObject *args)
 	}
 	return PyString_FromString(message);
 }
-#endif /* strerror */
 
 
 #ifdef HAVE_SYS_WAIT_H
@@ -8510,9 +8508,7 @@ static PyMethodDef posix_methods[] = {
 #ifdef HAVE_UNSETENV
 	{"unsetenv",	posix_unsetenv, METH_VARARGS, posix_unsetenv__doc__},
 #endif
-#ifdef HAVE_STRERROR
 	{"strerror",	posix_strerror, METH_VARARGS, posix_strerror__doc__},
-#endif
 #ifdef HAVE_FCHDIR
 	{"fchdir",	posix_fchdir, METH_O, posix_fchdir__doc__},
 #endif

Modules/socketmodule.c

@@ -3110,15 +3110,10 @@ gethost_common(struct hostent *h, struct sockaddr *addr, int alen, int af)
 	}
 
 	if (h->h_addrtype != af) {
-#ifdef HAVE_STRERROR
 		/* Let's get real error message to return */
 		PyErr_SetString(socket_error,
 				(char *)strerror(EAFNOSUPPORT));
-#else
+
-		PyErr_SetString(
-			socket_error,
-			"Address family not supported by protocol family");
-#endif
 		return NULL;
 	}
 

Objects/fileobject.c

@@ -83,11 +83,7 @@ dircheck(PyFileObject* f)
 		return f;
 	if (fstat(fileno(f->f_fp), &buf) == 0 &&
 	    S_ISDIR(buf.st_mode)) {
-#ifdef HAVE_STRERROR
 		char *msg = strerror(EISDIR);
-#else
-		char *msg = "Is a directory";
-#endif
 		PyObject *exc = PyObject_CallFunction(PyExc_IOError, "(is)",
 						      EISDIR, msg);
 		PyErr_SetObject(PyExc_IOError, exc);
@@ -398,11 +394,7 @@ file_dealloc(PyFileObject *f)
 		sts = (*f->f_close)(f->f_fp);
 		Py_END_ALLOW_THREADS
 		if (sts == EOF) 
-#ifdef HAVE_STRERROR
 			PySys_WriteStderr("close failed: [Errno %d] %s\n", errno, strerror(errno)); 
-#else
-			PySys_WriteStderr("close failed: [Errno %d]\n", errno); 
-#endif
 	}
 	PyMem_Free(f->f_setbuf);
 	Py_XDECREF(f->f_name);