diff options
| -rw-r--r-- | config/usrp_libusb.m4 | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/config/usrp_libusb.m4 b/config/usrp_libusb.m4 index a434d379d..e4f567ce4 100644 --- a/config/usrp_libusb.m4 +++ b/config/usrp_libusb.m4 @@ -135,21 +135,28 @@ AC_DEFUN([USRP_LIBUSB], [ if test $libusbok = yes; then if test ${libusb_name} != "libusb-1.0"; then dnl PKGCONFIG found a legacy version of libusb; make sure the - dnl variable _usb_debug is available in the found library - AC_LANG_PUSH(C) - save_CPPFLAGS="$CPPFLAGS" - CPPFLAGS="$USB_INCLUDES" - save_LIBS="$LIBS" - LIBS="$USB_LIBS" - AC_MSG_CHECKING([$libusb_name for symbol usb_debug in library $usb_lib_name]) - AC_LINK_IFELSE([AC_LANG_PROGRAM([[ - extern int usb_debug;]], - [[usb_debug = 0;]])], - [libusbok=yes],[libusbok=no]) - AC_MSG_RESULT([$libusbok]) - LIBS="$save_LIBS" - CPPFLAGS="$save_CPPFLAGS" - AC_LANG_POP(C) + dnl variable _usb_debug is available in the found library. + dnl Do not test on Windows, since that symbol is not defined. + case "$host_os" in + cygwin* | mingw*) + ;; + *) + AC_LANG_PUSH(C) + save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$USB_INCLUDES" + save_LIBS="$LIBS" + LIBS="$USB_LIBS" + AC_MSG_CHECKING([$libusb_name for symbol usb_debug in library $usb_lib_name]) + AC_LINK_IFELSE([AC_LANG_PROGRAM([[ + extern int usb_debug;]], + [[usb_debug = 0;]])], + [libusbok=yes],[libusbok=no]) + AC_MSG_RESULT([$libusbok]) + LIBS="$save_LIBS" + CPPFLAGS="$save_CPPFLAGS" + AC_LANG_POP(C) + ;; + esac fi fi fi |