From b6298eaa3e08a581a7bbc5a4ee95c1f07401dfb5 Mon Sep 17 00:00:00 2001
From: mjmac <mjmac>
Date: Thu, 28 Dec 2006 03:00:14 +0000
Subject: [PATCH] OK, let's try that again. * fix for build problem when
 b1_4_sles10 is actually built on sles10

---
 libsysio/configure.in    | 15 +++++++++++++++
 libsysio/include/sysio.h |  4 ++++
 libsysio/src/readlink.c  |  4 ++++
 3 files changed, 23 insertions(+)

diff --git a/libsysio/configure.in b/libsysio/configure.in
index 9f83269..5de069a 100644
--- a/libsysio/configure.in
+++ b/libsysio/configure.in
@@ -198,6 +198,21 @@ if test "$machine" = rs6000; then
 	machine="powerpc"
 fi
 
+AC_MSG_CHECKING(if readlink returns ssize_t)
+AC_TRY_COMPILE([
+  include <unistd.h>
+],[
+  ssize_t readlink(const char *, char *, size_t);
+],
+  readlink_returns_ssize_t="yes",
+  readlink_returns_ssize_t="yes"
+)
+AC_MSG_RESULT($readlink_returns_ssize_t)
+if test x$readlink_returns_ssize_t = xyes; then
+  AC_DEFINE(HAVE_POSIX_1003_READLINK, 1, [readlink returns ssize_t])
+fi
+
+
 # If we can't provoke the declaration of stat64 then we assume the
 # environment supports 64-bit file support naturally. Beware!
 AC_MSG_CHECKING(whether _LARGEFILE64_SOURCE definition is required)
diff --git a/libsysio/include/sysio.h b/libsysio/include/sysio.h
index 770d741..bae86c2 100644
--- a/libsysio/include/sysio.h
+++ b/libsysio/include/sysio.h
@@ -247,7 +247,11 @@ extern int SYSIO_INTERFACE_NAME(ftruncate64)(int fd, off64_t length);
 #endif
 extern int SYSIO_INTERFACE_NAME(rmdir)(const char *path);
 extern int SYSIO_INTERFACE_NAME(symlink)(const char *path1, const char *path2);
+#ifdef HAVE_POSIX_1003_READLINK
+extern ssize_t SYSIO_INTERFACE_NAME(readlink)(const char *path,
+#else
 extern int SYSIO_INTERFACE_NAME(readlink)(const char *path,
+#endif
 				char *buf,
 				size_t bufsiz);
 extern int SYSIO_INTERFACE_NAME(link)(const char *oldpath, const char *newpath);
diff --git a/libsysio/src/readlink.c b/libsysio/src/readlink.c
index 7053c62..f083744 100644
--- a/libsysio/src/readlink.c
+++ b/libsysio/src/readlink.c
@@ -51,7 +51,11 @@
 #include "inode.h"
 #include "sysio-symbols.h"
 
+#ifdef HAVE_POSIX_1003_READLINK
+ssize_t
+#else
 int
+#endif
 SYSIO_INTERFACE_NAME(readlink)(const char *path, char *buf, size_t bufsiz)
 {
 	struct intent intent;
-- 
1.8.3.1