libftdi: (tomj) added libusb dependency to configure.in, removed "configure" from CVS

[libftdi] / configure.in

diff --git a/configure.in b/configure.in
index ede3f6e..b02e8fa 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -84,6 +84,33 @@ dnl KDE_MISC_TESTS dnl __kdevelop__
 dnl KDE_NEED_FLEX dnl __kdevelop__
 dnl AC_PROG_YACC dnl __kdevelop__
 
+
+dnl check for libusb-config
+AC_PATH_PROG(HAVELIBUSB, libusb-config, $PATH)
+
+if test ! -z "$HAVELIBUSB"; then
+dnl   LIBUSB_CFLAGS=`$HAVELIBUSB --cflags`
+   LIBUSB_LIBS=`$HAVELIBUSB --libs`
+
+   CFLAGS="$CFLAGS $LIBUSB_CFLAGS"
+   LIBS="$LIBS $LIBUSB_LIBS"
+else
+   AC_MSG_ERROR([*** libusb-config not found. You need a working libusb installation.])
+fi
+
+dnl check for version of libusb
+AC_MSG_CHECKING([if libusb version is >= 0.1.7])
+libusb_version_needed="1007"
+libusb_version=`$HAVELIBUSB --version | sed -e "s/libusb //" | awk 'BEGIN { FS = "."; } { printf "%d", ($''1 * 1000 + $''2) * 1000 + $''3;}'`
+
+if test $libusb_version -lt $libusb_version_needed; then
+   AC_MSG_RESULT(no)
+   AC_MSG_ERROR([*** libusb is too old ($libusb_version). You need a libusb installation newer or equal to 0.1.7.])
+else
+   AC_MSG_RESULT(yes)
+fi
+
+
 dnl KDE_CHECK_EXTRA_LIBS
 all_libraries="$all_libraries $USER_LDFLAGS"
 all_includes="$all_includes $USER_INCLUDES"