configure.ac: Fix build when libusb-1.0 not available.

The IKALOGIC Scanalogic2 needs libusb-1.0, thus disable this driver when
libusb-1.0 cannot be found.

diff --git a/configure.ac b/configure.ac
index a49ae8702cd3396806de9941f3f200705c4c6090..1e26764e8e9bd353dc7c0c08ee425f86637a8c43 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -147,10 +147,6 @@ AC_ARG_ENABLE(ikalogic-scanalogic2, AC_HELP_STRING([--enable-ikalogic-scanalogic
        [enable IKALOGIC Scanalogic2 support [default=yes]]),
        [HW_IKALOGIC_SCANALOGIC2="$enableval"],
        [HW_IKALOGIC_SCANALOGIC2=yes])
-AM_CONDITIONAL(HW_IKALOGIC_SCANALOGIC2, test x$HW_IKALOGIC_SCANALOGIC2 = xyes)
-if test "x$HW_IKALOGIC_SCANALOGIC2" = "xyes"; then
-       AC_DEFINE(HAVE_HW_IKALOGIC_SCANALOGIC2, 1, [IKALOGIC Scanalogic2 support])
-fi
 
 AC_ARG_ENABLE(lascar-el-usb, AC_HELP_STRING([--enable-lascar-el-usb],
        [enable Lascar EL-USB support [default=yes]]),
@@ -245,8 +241,8 @@ case "$host" in
                LIBS="$LIBS $libusb_LIBS";
                SR_PKGLIBS="$SR_PKGLIBS libusb-1.0"],
                [have_libusb1_0="no"; HW_FX2LAFW="no"; HW_HANTEK_DSO="no";
-               HW_LASCAR_EL_USB="no"; HW_NEXUS_OSCIPRIME="no";
-               HW_UNI_T_DMM="no"; HW_VICTOR_DMM="no";
+               HW_IKALOGIC_SCANALOGIC2="no"; HW_LASCAR_EL_USB="no";
+               HW_NEXUS_OSCIPRIME="no"; HW_UNI_T_DMM="no"; HW_VICTOR_DMM="no";
                HW_ZEROPLUS_LOGIC_CUBE="no"])
 
        # Define HAVE_LIBUSB_1_0 in config.h if we found libusb-1.0.
@@ -354,6 +350,11 @@ if test "x$HW_HANTEK_DSO" = "xyes"; then
        AC_DEFINE(HAVE_HW_HANTEK_DSO, 1, [Hantek DSO support])
 fi
 
+AM_CONDITIONAL(HW_IKALOGIC_SCANALOGIC2, test x$HW_IKALOGIC_SCANALOGIC2 = xyes)
+if test "x$HW_IKALOGIC_SCANALOGIC2" = "xyes"; then
+       AC_DEFINE(HAVE_HW_IKALOGIC_SCANALOGIC2, 1, [IKALOGIC Scanalogic2 support])
+fi
+
 AM_CONDITIONAL(HW_LASCAR_EL_USB, test x$HW_LASCAR_EL_USB = xyes)
 if test "x$HW_LASCAR_EL_USB" = "xyes"; then
        AC_DEFINE(HAVE_HW_LASCAR_EL_USB, 1, [Lascar EL-USB support])