Autogen update

[nfs-utils.git] / aclocal / tcp-wrappers.m4

diff --git a/aclocal/tcp-wrappers.m4 b/aclocal/tcp-wrappers.m4
new file mode 100644 (file)
index 0000000..ce90754
--- /dev/null
+++ b/aclocal/tcp-wrappers.m4
@@ -0,0 +1,52 @@
+# Check whether user wants TCP wrappers support
+AC_DEFUN([AC_TCP_WRAPPERS],[
+  TCPW_MSG="no"
+  AC_ARG_WITH(tcp-wrappers,
+    [  --with-tcp-wrappers[[=PATH]]      Enable tcpwrappers support
+                 (optionally in PATH)],
+    [
+        if test "x$withval" != "xno" ; then
+            saved_LIBS="$LIBS"
+            saved_LDFLAGS="$LDFLAGS"
+            saved_CPPFLAGS="$CPPFLAGS"
+            if test -n "${withval}" -a "${withval}" != "yes"; then
+                if test -d "${withval}/lib"; then
+                    if test -n "${need_dash_r}"; then
+                        LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
+                    else
+                        LDFLAGS="-L${withval}/lib ${LDFLAGS}"
+                    fi
+                else
+                    if test -n "${need_dash_r}"; then
+                        LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
+                    else
+                        LDFLAGS="-L${withval} ${LDFLAGS}"
+                    fi
+                fi
+                if test -d "${withval}/include"; then
+                    CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
+                else
+                    CPPFLAGS="-I${withval} ${CPPFLAGS}"
+                fi
+            fi
+            LIBWRAP="-lwrap"
+            LIBS="$LIBWRAP $LIBS"
+            AC_MSG_CHECKING(for libwrap)
+            AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+                #include <tcpd.h>
+                int deny_severity = 0, allow_severity = 0;
+                ]], [[hosts_access(0);]])],[
+                AC_MSG_RESULT(yes)
+                AC_SUBST(LIBWRAP)
+                AC_DEFINE([LIBWRAP], [1], [tcp-wrapper])
+                TCPW_MSG="yes"
+                ],[
+                AC_MSG_ERROR([*** libwrap missing])
+                
+            ])
+            LIBS="$saved_LIBS"
+        fi
+    ]
+  )
+  AC_SUBST(LIBWRAP)
+])