Added autotools header generation and build time version checking

[debian/gnuradio] / config / usrp_libusb.m4

diff --git a/config/usrp_libusb.m4 b/config/usrp_libusb.m4
index cb3130c8730d953e0eafe4880e7782db5a360e49..1d9cf0cbc437536b629d715bce9e6681cd4220ee 100644 (file)
--- a/config/usrp_libusb.m4
+++ b/config/usrp_libusb.m4
@@ -19,27 +19,78 @@ dnl Boston, MA 02110-1301, USA.
 
 AC_DEFUN([USRP_LIBUSB], [
     libusbok=yes
-    PKG_CHECK_MODULES(USB, libusb, [], [
-        AC_LANG_PUSH(C)
+    PKG_CHECK_MODULES(USB, libusb-1.0, [have_libusb1=yes; libusbok=yes], [
+        PKG_CHECK_MODULES(USB, libusb, [have_libusb1=no; libusbok=yes], [libusbok=no])
+    ]) 
 
-       AC_CHECK_HEADERS([usb.h], [], [libusbok=no; AC_MSG_RESULT([USRP requires libusb. usb.h not found. See http://libusb.sf.net])])
+    if test x$libusbok = xyes; then
+      if test x$have_libusb1 = xyes; then
+        AC_DEFINE(HAVE_LIBUSB_1, [1], [Define if libusb-1.0 found])
+      fi
+      AC_OUTPUT_COMMANDS([
+        case "$CONFIG_OTHER" in
+        usrp*)
+          outfile=usrp/host/include/usrp/$CONFIG_OTHER
+          tmpfile=${outfile}T
+          dirname="sed s,^.*/,,g"
+
+          echo creating $outfile
+          cat > $tmpfile << _EOF_
+/*  -*- Mode: C++ -*-
+* --------------------------------------------------------------------
+* DO NOT EDIT THIS FILE!  It has been automatically generated
+* from:    configure.in and `echo $outfile|$dirname`.in
+* on host: `(hostname || uname -n) 2>/dev/null | sed 1q`
+* --------------------------------------------------------------------
+*/
 
-       save_LIBS="$LIBS"
-       case "$host_os" in
-         darwin*)
-           LIBS="$LIBS -lIOKit"
+_EOF_
+          echo "#ifndef _`echo $outfile | $dirname | tr a-z. A-Z_`_" >> $tmpfile
+          echo "#define _`echo $outfile | $dirname | tr a-z. A-Z_`_" >> $tmpfile
+          echo >> $tmpfile
+
+          case "$CONFIG_OTHER" in
+          usrp_prims*)
+            echo '#include <usrp/usrp_slots.h>' >> $tmpfile
+            echo '#include <string>' >> $tmpfile
+            echo >> $tmpfile
             ;;
-         *) ;;
-        esac
+          usrp_basic*)
+            echo '#include <usrp/db_base.h>' >> $tmpfile
+            echo '#include <usrp/usrp_slots.h>' >> $tmpfile
+            echo '#include <string>' >> $tmpfile
+            echo '#include <vector>' >> $tmpfile
+            echo '#include <boost/utility.hpp>' >> $tmpfile
+            echo '#include <usrp/usrp_subdev_spec.h>' >> $tmpfile
+            echo >> $tmpfile
+            ;;
+          esac
+
+          if test x$have_libusb1 = xno; then
+            echo 'struct usb_device;'>> $tmpfile
+            echo 'struct usb_dev_handle;'>> $tmpfile
+            echo 'typedef struct usb_device libusb_device;' >> $tmpfile
+            echo 'typedef struct usb_dev_handle libusb_device_handle;' >> $tmpfile
+            echo >> $tmpfile
+          fi
 
-       AC_SEARCH_LIBS(usb_bulk_write, [usb], [USB_LIBS="$LIBS"], [libusbok=no; AC_MSG_RESULT([USRP requires libusb. usb_bulk_write not found. See http://libusb.sf.net])])
+          if test x$have_libusb1 = xyes; then
+            echo 'struct libusb_device;' >> $tmpfile
+            echo 'struct libusb_device_handle;' >> $tmpfile
+            echo >> $tmpfile
+          fi
 
-        LIBS="$save_LIBS"
+          # The ugly but portable cpp stuff comes from here
+          infile=usrp/host/include/usrp/`echo $outfile | sed 's,.*/,,g;s,\..*$,,g'`.h.in
+          sed '/^##.*$/d' $infile >> $tmpfile 
+          mv ${tmpfile} ${outfile}
+          ;;
+        esac
 
-        AC_LANG_POP
-    ])
+        ],[
+        have_libusb1=$have_libusb1
+      ])
 
-    if test x$libusbok = xyes; then
         AC_SUBST(USB_LIBS)
        ifelse([$1], , :, [$1])
     else