+if test "x$ac_cv_func_getaddrinfo" = "xyes" && \
+ test "x$check_for_aix_broken_getaddrinfo" = "x1"; then
+ AC_MSG_CHECKING(if getaddrinfo seems to work)
+ AC_TRY_RUN(
+ [
+#include <stdio.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <errno.h>
+#include <netinet/in.h>
+
+#define TEST_PORT "2222"
+
+int
+main(void)
+{
+ int err, sock;
+ struct addrinfo *gai_ai, *ai, hints;
+ char ntop[NI_MAXHOST], strport[NI_MAXSERV], *name = NULL;
+
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_family = PF_UNSPEC;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_flags = AI_PASSIVE;
+
+ err = getaddrinfo(name, TEST_PORT, &hints, &gai_ai);
+ if (err != 0) {
+ fprintf(stderr, "getaddrinfo failed (%s)", gai_strerror(err));
+ exit(1);
+ }
+
+ for (ai = gai_ai; ai != NULL; ai = ai->ai_next) {
+ if (ai->ai_family != AF_INET && ai->ai_family != AF_INET6)
+ continue;
+
+ err = getnameinfo(ai->ai_addr, ai->ai_addrlen, ntop,
+ sizeof(ntop), strport, sizeof(strport),
+ NI_NUMERICHOST|NI_NUMERICSERV);
+
+ if (ai->ai_family == AF_INET && err != 0) {
+ perror("getnameinfo");
+ exit(2);
+ }
+ }
+ exit(0);
+}
+ ],
+ [
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(AIX_GETNAMEINFO_HACK, [],
+[Define if you have a getaddrinfo that fails for the all-zeros IPv6 address])
+ ],
+ [
+ AC_MSG_RESULT(no)
+ AC_DEFINE(BROKEN_GETADDRINFO)
+ ]
+ )
+fi
+
+if test "x$check_for_conflicting_getspnam" = "x1"; then
+ AC_MSG_CHECKING(for conflicting getspnam in shadow.h)
+ AC_COMPILE_IFELSE(
+ [
+#include <shadow.h>
+int main(void) {exit(0);}
+ ],
+ [
+ AC_MSG_RESULT(no)
+ ],
+ [
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(GETSPNAM_CONFLICTING_DEFS, 1,
+ [Conflicting defs for getspnam])
+ ]
+ )
+fi
+