1 files changed, 64 insertions, 0 deletions
diff --git a/config/grc_vrt.m4 b/config/grc_vrt.m4
new file mode 100644
index 000000000..982c8863a
--- /dev/null
+++ b/config/grc_vrt.m4
@@ -0,0 +1,64 @@
+dnl Copyright 2008,2009 Free Software Foundation, Inc.
+dnl 
+dnl This file is part of GNU Radio
+dnl 
+dnl GNU Radio is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 3, or (at your option)
+dnl any later version.
+dnl 
+dnl GNU Radio is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+dnl GNU General Public License for more details.
+dnl 
+dnl You should have received a copy of the GNU General Public License
+dnl along with GNU Radio; see the file COPYING.  If not, write to
+dnl the Free Software Foundation, Inc., 51 Franklin Street,
+dnl Boston, MA 02110-1301, USA.
+
+AC_DEFUN([GRC_VRT],[
+    GRC_ENABLE(vrt)
+
+    dnl If execution gets to here, $passed will be:
+    dnl   with : if the --with code didn't error out
+    dnl   yes  : if the --enable code passed muster and all dependencies are met
+    dnl   no   : otherwise
+    if test $passed = yes; then
+	dnl Needed for vrt_socket_opener
+	AC_CHECK_HEADERS(arpa/inet.h byteswap.h linux/if_packet.h sys/socket.h sys/un.h)
+    fi
+    if test $passed != with; then
+	dnl how and where to find INCLUDES and LA
+	VRT_INCLUDES="-I\${abs_top_srcdir}/vrt/include"
+        VRT_LA="\${abs_top_builddir}/vrt/lib/libvrt.la"
+    fi
+
+    # Test host OS compatibility
+    AC_MSG_CHECKING([whether host_os is linux*])
+    case "$host_os" in
+      linux*)
+	AC_MSG_RESULT([yes])
+        ;;
+      *)
+	AC_MSG_RESULT([no])
+	AC_MSG_NOTICE([libvrt currently requires Linux host OS, not found])
+        passed="no"
+        ;;
+    esac
+
+    dnl Include the vrt INCLUDES and LA
+    AC_SUBST(VRT_INCLUDES)
+    AC_SUBST(VRT_LA)
+
+    AC_CONFIG_FILES([
+        vrt/Makefile
+        vrt/vrt.pc
+        vrt/include/Makefile
+        vrt/include/vrt/Makefile
+        vrt/lib/Makefile
+        vrt/apps/Makefile
+    ])
+
+    GRC_BUILD_CONDITIONAL(vrt)
+])