-dnl Copyright 2003,2008 Free Software Foundation, Inc.
+dnl Copyright 2003,2008,2009 Free Software Foundation, Inc.
dnl
dnl This file is part of GNU Radio
dnl
dnl the Free Software Foundation, Inc., 51 Franklin Street,
dnl Boston, MA 02110-1301, USA.
+# $1 is $req_libusb1:
+# yes : check libusb-1.0
+# no : check libusb-0.12
+# "" : check libusb-0.12
+
+
AC_DEFUN([USRP_LIBUSB], [
- libusbok=yes
- PKG_CHECK_MODULES(USB, libusb-1.0, [have_libusb1=yes; libusbok=yes], [
- PKG_CHECK_MODULES(USB, libusb, [have_libusb1=no; libusbok=yes], [libusbok=no])
- ])
+ dnl Use PKGCONFIG to check for packages first, then check to
+ dnl make sure the USB_* variables work (whether from PKGCONFIG
+ dnl or overridden by the user)
- if test x$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"
+ libusbok=no
+ have_libusb1=no
+ LIBUSB_PKG_CONFIG_NAME=''
+ if test x$1 = xyes; then
+ PKG_CHECK_MODULES(USB, libusb-1.0, [
+ libusbok=yes
+ have_libusb1=yes
+ usb_header='libusb-1.0/libusb.h'
+ usb_lib_func='libusb_bulk_transfer'
+ usb_lib_name='usb-1.0'
+ LIBUSB_PKG_CONFIG_NAME='libusb-1.0'
+ ])
+ else
+ dnl not using libusb1 (for now); see if legacy version is found.
+ dnl it might be installed under the name either 'libusb' or
+ dnl 'libusb-legacy', or just available via the
+ dnl user's shell environment
+
+ dnl see if the pkgconfig module 'libusb' is available
+ PKG_CHECK_MODULES(USB, libusb, [
+ libusbok=yes
+ LIBUSB_PKG_CONFIG_NAME='libusb'
+ ], [libusbok=no])
+ dnl PKG_CHECK_MODULES does not work correctly when embedded
+ if test $libusbok = no; then
+ dnl if not, see if the pkgconfig module 'libusb-legacy' is available
+ PKG_CHECK_MODULES(USB, [libusb-legacy], [
+ libusbok=yes
+ LIBUSB_PKG_CONFIG_NAME='libusb-legacy'
+ ], [libusbok=no])
+ fi
+ dnl set variables for further testing
+ usb_header='usb.h'
+ usb_lib_func='usb_bulk_write'
+ usb_lib_name='usb'
+ fi
+ AC_SUBST(LIBUSB_PKG_CONFIG_NAME)
+ if test x$1 != xyes || test $have_libusb1 = yes; then
+ dnl Either (1) libusb1 was specified and found; or
+ dnl (2) libusb1 was not specified. Restart checking.
+ libusbok=yes
- 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`
-* --------------------------------------------------------------------
-*/
+ dnl Verify that $usb_header is a valid header, and if so,
+ dnl then verify that $usb_lib_func can be found in the
+ dnl library $usb_lib_name.
-_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
+ dnl If PKGCONFIG found variable USB_INCLUDEDIR, and it is
+ dnl not empty, use it for checking for $usb_header.
+ dnl Otherwise, maybe the user's shell environment is already
+ dnl configured to find this header.
- case "$CONFIG_OTHER" in
- usrp_prims*)
- echo '#include <usrp/usrp_slots.h>' >> $tmpfile
- echo '#include <string>' >> $tmpfile
- echo >> $tmpfile
- ;;
- 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 >> $tmpfile
- ;;
- esac
+ AC_LANG_PUSH(C)
+ save_CPPFLAGS="$CPPFLAGS"
+ if test x$USB_INCLUDEDIR != x; then
+ USB_INCLUDES="-I$USB_INCLUDEDIR"
+ CPPFLAGS="$CPPFLAGS $USB_INCLUDES"
+ AC_SUBST(USB_INCLUDES)
+ fi
+ AC_CHECK_HEADERS([$usb_header], [], [libusbok=no])
+ CPPFLAGS="$save_CPPFLAGS"
+ AC_LANG_POP(C)
- if test x$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
+ if test $libusbok = no; then
+ AC_MSG_RESULT([USRP requires libusb header '$usb_header' which was not found or was not usable. See http://www.libusb.org])
+ else
- if test x$have_libusb1 = xyes; then
- echo 'struct libusb_device;' >> $tmpfile
- echo 'struct libusb_device_handle;' >> $tmpfile
- echo >> $tmpfile
- fi
+ dnl found the header; now make sure the library is OK
+ dnl On Darwin, need to include the IOKit library.
- # 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} ${outfile}
+ AC_LANG_PUSH(C)
+ save_LIBS="$LIBS"
+ LIBS=""
+ case "$host_os" in
+ darwin*)
+ USB_LIBS="$USB_LIBS -lIOKit"
+ LIBS="$USB_LIBS"
;;
- esac
-
- ],[
- have_libusb1=$have_libusb1
+ *) ;;
+ esac
+ AC_CHECK_LIB([$usb_lib_name], [$usb_lib_func], [], [
+ libusbok=no
+ AC_MSG_RESULT([USRP requires library '$usb_lib_name' with function '$usb_lib_func', which was either not found or was not usable. See http://www.libusb.org])
])
-
- AC_SUBST(USB_LIBS)
- ifelse([$1], , :, [$1])
- else
- ifelse([$2], , :, [$2])
+ case "$host_os" in
+ cygwin* | mingw*)
+ USB_LIBS="$LIBS"
+ ;;
+ *) ;;
+ esac
+ LIBS="$save_LIBS"
+ AC_LANG_POP(C)
fi
+ fi
+ if test $libusbok = yes; then
+ AC_SUBST(USB_LIBS)
+ ifelse([$2], , :, [$2])
+ else
+ USB_INCLUDES=
+ USB_LIBS=
+ ifelse([$3], , :, [$3])
+ fi
])
projects / debian / gnuradio / blobdiff