configure: Fixed libwrap checking in some systems.

--HG--
branch : HEAD

diff --git a/configure.in b/configure.in
index 8c3b9587d7541c89eb523a741a90da117196af4a..56d8037e39b2dd68f8e353061e78ae8e0473efe5 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -344,16 +344,30 @@ have_libwrap=no
 if test $want_libwrap != no; then
   AC_CHECK_HEADER(tcpd.h, [
     old_LIBS=$LIBS
-    AC_CHECK_LIB(wrap, request_init, [
+
+    AC_CACHE_CHECK([whether we have libwrap],i_cv_have_libwrap,[
+      AC_TRY_COMPILE([
+       #include <tcpd.h>
+       int allow_severity = 0;
+       int deny_severity = 0;
+      ], [
+       request_init((void *)0);
+      ], [
+       i_cv_have_libwrap=yes
+      ], [
+       i_cv_have_libwrap=no
+      ])
+    ])
+    if test $i_cv_have_libwrap = yes; then
       AC_DEFINE(HAVE_LIBWRAP,, Define if you have libwrap)
       LIBWRAP_LIBS=-lwrap
       AC_SUBST(LIBWRAP_LIBS)
       have_libwrap=yes
-    ], [
+    else
       if test "$want_libwrap" = "yes"; then
        AC_ERROR([Can't build with libwrap support: libwrap not found])
       fi
-    ])
+    fi
     LIBS=$old_LIBS
   ], [
     if test "$want_libwrap" = "yes"; then