On 11/22/2013 04:29 PM, Johan Persson wrote: > Fortunately that is easy (for once). The following trivial combo shows > the problem. > > AC_LIB_HAVE_LINKFLAGS([[usb-1.0]],[],[],[],[libusb-1.0 Library needed.]) This macro is not provided by autoconf. (It's a shame that the macro author abused the AC_ namespace instead of putting it in another namespace, because it means if autoconf ever DOES implement this macro, it will break this third-party code.) You'll need to track down the implementation of AC_LIB_HAVE_LINKFLAGS before I can offer further suggestions. > AC_OUTPUT > > Makefile.am : > > bin_PROGRAMS = a > SUBDIRS = . > a_SOURCES = main.c > a_LDADD = $(LIBUSB-1.0) $(LIBUSB-1.0) is not a valid make variable name. You probably want: a_LDADD = $(LIBUSB_1_0) (autoconf and automake both tend to normalize - and . into _). But whether that will help or not goes back to what AC_LIB_HAVE_LINKFLAGS is doing under the hood. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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