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Add --without-libusb option to configure script. 

At the request of David Ranhc, KI6ZHD, add an option for the user to
disable the libusb backends.
pull/1/head
Nate Bargmann 2017-11-20 04:38:40 -06:00
rodzic 708ca78c77
commit 1dea67a656
1 zmienionych plików z 22 dodań i 14 usunięć
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36
configure.ac
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@ -305,24 +305,32 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]],
dnl Check for libusb, treat LIBUSB_LIBS and LIBUSB_CFLAGS as precious variables dnl Check for libusb, treat LIBUSB_LIBS and LIBUSB_CFLAGS as precious variables
AC_MSG_CHECKING([whether to build USB dependent backends])
AC_ARG_WITH([libusb],
[AS_HELP_STRING([--without-libusb],
[disable USB dependent backends @<:@default=yes@:>@])],
[cf_with_libusb=no],
[cf_with_libusb=yes]
)
AC_MSG_RESULT([$cf_with_libusb])
LIBUSB=""
AC_ARG_VAR([LIBUSB_CFLAGS], [C compiler flags for libusb, overriding configure defaults]) AC_ARG_VAR([LIBUSB_CFLAGS], [C compiler flags for libusb, overriding configure defaults])
AC_ARG_VAR([LIBUSB_LIBS], [linker flags for libusb, overriding configure check (useful for specifying static libusb-1.0.a (see INSTALL))]) AC_ARG_VAR([LIBUSB_LIBS], [linker flags for libusb, overriding configure check (useful for specifying static libusb-1.0.a (see INSTALL))])
cf_with_libusb="no"
AS_IF([test -z $LIBUSB_LIBS],
[AC_CHECK_LIB([usb-1.0], [libusb_init], [LIBUSB_LIBS="-lusb-1.0" cf_with_libusb="yes"],
[AC_MSG_WARN([libusb_init was not found in libusb-1.0--USB backends will be disabled])])
], [cf_with_libusb="yes"])
LIBUSB=""
AS_IF([test x"${cf_with_libusb}" = "xyes"], AS_IF([test x"${cf_with_libusb}" = "xyes"],
[AC_CHECK_HEADERS([libusb.h libusb-1.0/libusb.h]) [AS_IF([test -z $LIBUSB_LIBS],
AC_DEFINE([HAVE_LIBUSB], [AC_CHECK_LIB([usb-1.0], [libusb_init], [LIBUSB_LIBS="-lusb-1.0"],
[1], [AC_MSG_WARN([libusb_init was not found in libusb-1.0--USB backends will be disabled])])
[Define if libusb-1.0 is available]) ], [cf_with_libusb="yes"])
LIBUSB="libusb-1.0"])
AS_IF([test x"${cf_with_libusb}" = "xyes"],
[AC_CHECK_HEADERS([libusb.h libusb-1.0/libusb.h])
AC_DEFINE([HAVE_LIBUSB],
[1],
[Define if libusb-1.0 is available])
LIBUSB="libusb-1.0"])])
# Only used in hamlib.pc.in # Only used in hamlib.pc.in
AC_SUBST([LIBUSB]) AC_SUBST([LIBUSB])