From acb0a9c9289e0b57c735b42321ac3dbd37e576c4 Mon Sep 17 00:00:00 2001
From: ewt <devnull@localhost>
Date: Wed, 30 Apr 1997 15:32:40 +0000
Subject: [PATCH] Look for S_IFSOCK and define it as 0 if it doesn't exist
 (this is for SCO).

CVS patchset: 1563
CVS date: 1997/04/30 15:32:40
---
 config.h.in   |  3 +++
 configure.in  | 14 +++++++++++++-
 misc/miscfn.h |  4 ++++
 3 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/config.h.in b/config.h.in
index dc6ce8a..86576c7 100644
--- a/config.h.in
+++ b/config.h.in
@@ -37,6 +37,9 @@
 /* Define as 1 if <sys/stat.h> defines S_ISLNK */
 #define HAVE_S_ISLNK 0
 
+/* Define as 1 if <sys/stat.h> defines S_IFSOCK */
+#define HAVE_S_IFSOCK 0
+
 /* Define as 1 if <sys/stat.h> defines S_ISSOCK */
 #define HAVE_S_ISSOCK 0
 
diff --git a/configure.in b/configure.in
index 811bfa6..4e2bf56 100644
--- a/configure.in
+++ b/configure.in
@@ -212,6 +212,16 @@ if test $PROVIDES_ERRNO = yes; then
 	AC_DEFINE(HAVE_HERRNO)
 fi
 
+dnl If a system doesn't have S_IFSOCK, define it as 0 which will
+dnl make S_ISSOCK always return false (nice, eh?)
+AC_MSG_CHECKING(checking if <sys/stat.h> defines S_IFSOCK...)
+AC_TRY_LINK([#include <sys/stat.h>],printf("%d", S_IFSOCK),
+	HAS_S_IFSOCK=yes,HAS_S_IFSOCK=no)
+AC_MSG_RESULT($HAS_S_IFSOCK)
+if test $HAS_S_ISLNK=yes; then
+	AC_DEFINE(HAVE_S_IFSOCK)
+fi
+
 dnl Some Unix's are missing S_ISLNK, S_ISSOCK
 AC_MSG_CHECKING(checking if <sys/stat.h> defines S_ISLNK...)
 AC_TRY_LINK([#include <sys/stat.h>],printf("%d", S_ISLNK(0755)),
@@ -254,13 +264,15 @@ if test "x$tmpdir" = "x"; then
     fi
 fi
 
-if echo "$build" | egrep 'solaris|hpux10' >/dev/null ; then
+if echo "$build" | egrep 'solaris|hpux10|sco' >/dev/null ; then
 	# Solaris needs -ldl to use -lnsl, and it can't build static
 	# binaries if you use -ldl
 	RPM=rpm.shared
 	if echo "$build" | grep solaris >/dev/null; then
 		echo "hacking things up for solaris"
 		LIBDL=-ldl
+	elif echo "$build" | grep sco > /dev/null; then
+		echo "hacking things up for sco"
 	else
 		echo "hacking things up for hpux"
 	fi
diff --git a/misc/miscfn.h b/misc/miscfn.h
index 3d174ce..e543069 100644
--- a/misc/miscfn.h
+++ b/misc/miscfn.h
@@ -19,6 +19,10 @@
 char *realpath(char *path, char resolved_path[]);
 #endif
 
+#if ! HAVE_S_IFSOCK
+#define S_IFSOCK (0)
+#endif
+
 #if ! HAVE_S_ISLNK
 #define S_ISLNK(mode) ((mode) & S_IFLNK)
 #endif
-- 
2.7.4