* now commit the sles10 build fix, after reverting previous shenanigans

[fs/lustre-release.git] / libsysio / configure.in

diff --git a/libsysio/configure.in b/libsysio/configure.in
index c6b6e30..85a0aee 100644 (file)
--- a/libsysio/configure.in
+++ b/libsysio/configure.in
@@ -209,6 +209,20 @@ 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="no"
+)
+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)