move libusb checks before libftdi checks as libftdi needs libusb

git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@1186 b68d4a1b-bc3d-0410-92ed-d4ac073336b7

jtag/ChangeLog

@@ -1,3 +1,8 @@
+2008-05-01  Mike Frysinger  <vapier@gentoo.org>
+
+   * configure.ac: Check for libusb before libftdi since the latter needs
+     the former.
+
 2008-04-26  Kolja Waschk <kawk>
 
    * src/flash/amd.c: Separate Chip name by Manufacturer (Andrey F. Ilchuk)

jtag/configure.ac

@@ -113,36 +113,6 @@ AC_CHECK_HEADERS(wchar.h)
 
 VL_LIB_READLINE
 
-AC_ARG_WITH([libftdi],
-  [AS_HELP_STRING([--with-libftdi],
-    [use libftdi for FTDI-based cables])],
-    [], [with_libftdi=check])
-
-AS_IF([test "x$with_libftdi" != xno], [
-  AS_IF([test "x$with_libftdi" != xyes -a "x$with_libftdi" != xcheck], [
-    CFLAGS="$CFLAGS -I$with_libftdi -L$with_libftdi"
-    LIBS="$LIBS -lftdi"
-  ],[
-    AC_PATH_PROG(LIBFTDI_CONFIG, libftdi-config, no) 
-    AS_IF([test "$LIBFTDI_CONFIG" != "no"],[
-      LIBS="$LIBS `$LIBFTDI_CONFIG --libs`"
-      CFLAGS="$CFLAGS `$LIBFTDI_CONFIG --cflags`"
-    ],)
-  ])
-  AC_CHECK_FUNC([ftdi_usb_open], [
-    AC_DEFINE(HAVE_LIBFTDI, 1, [Define if you have libftdi])
-    HAVELIBFTDI=yes
-  ],[
-    AC_MSG_WARN([*** libftdi not detected. No support for FTDI-based USB JTAG cables via libftdi.])
-  ])
-],)
-
-AS_IF([test "x$HAVELIBFTDI" == "xyes"],[
-  AM_CONDITIONAL(HAVE_LIBFTDI, true)
-],[
-  AM_CONDITIONAL(HAVE_LIBFTDI, false)
-])
-
 
 dnl check for libusb-config
 
@@ -190,6 +160,39 @@ AS_IF([test "x$HAVELIBUSB" == "xyes"],[
 ])
 
 
+dnl Use FTDI library?
+
+AC_ARG_WITH([libftdi],
+  [AS_HELP_STRING([--with-libftdi],
+    [use libftdi for FTDI-based cables])],
+    [], [with_libftdi=check])
+
+AS_IF([test "x$with_libftdi" != xno], [
+  AS_IF([test "x$with_libftdi" != xyes -a "x$with_libftdi" != xcheck], [
+    CFLAGS="$CFLAGS -I$with_libftdi -L$with_libftdi"
+    LIBS="$LIBS -lftdi"
+  ],[
+    AC_PATH_PROG(LIBFTDI_CONFIG, libftdi-config, no) 
+    AS_IF([test "$LIBFTDI_CONFIG" != "no"],[
+      LIBS="$LIBS `$LIBFTDI_CONFIG --libs`"
+      CFLAGS="$CFLAGS `$LIBFTDI_CONFIG --cflags`"
+    ],)
+  ])
+  AC_CHECK_FUNC([ftdi_usb_open], [
+    AC_DEFINE(HAVE_LIBFTDI, 1, [Define if you have libftdi])
+    HAVELIBFTDI=yes
+  ],[
+    AC_MSG_WARN([*** libftdi not detected. No support for FTDI-based USB JTAG cables via libftdi.])
+  ])
+],)
+
+AS_IF([test "x$HAVELIBFTDI" == "xyes"],[
+  AM_CONDITIONAL(HAVE_LIBFTDI, true)
+],[
+  AM_CONDITIONAL(HAVE_LIBFTDI, false)
+])
+
+
 dnl Use FTDI ftd2xx library?
 
 AC_ARG_WITH([ftd2xx],