Check if getpeereid is actually declared.

Check in sys/socket.h (AIX) and unistd.h (FreeBSD, DragonFLy and OS X).
Prevents undeclared function warning on at least some versions of AIX.

1 files changed, 2 insertions, 1 deletions

diff --git a/configure.ac b/configure.ac
index b689db4b5..7094d470d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1986,10 +1986,11 @@ AC_CHECK_DECL([tcsendbreak],
 
 AC_CHECK_DECLS([h_errno], , ,[#include <netdb.h>])
 
-AC_CHECK_DECLS([SHUT_RD], , ,
+AC_CHECK_DECLS([SHUT_RD, getpeereid], , ,
         [
 #include <sys/types.h>
 #include <sys/socket.h>
+#include <unistd.h>
         ])
 
 AC_CHECK_DECLS([O_NONBLOCK], , ,