arg-nonnull.h & warn-on-use.h in build-aux

[Sam Steingold]

Hi,
I updated gnulib in clisp and gnulib-tool installed arg-nonnull.h & 
warn-on-use.h in src/build-aux.
why aren't these files in the usual place (src/gllib), together with all the 
other headers?

now, I am getting this error when building modules which use gnulib:

make[2]: *** No rule to make target 
`CLISP-HOME/modules/syscalls/src/build-aux/arg-nonnull.h', needed by 
`arg-nonnull.h'.  Stop.

this is because arg-nonnull.h is in
CLISP-HOME/src/build-aux/arg-nonnull.h

this is no good - I need to be able to specify the location of the build-aux 
directory (since it could be coming from an existing clisp installation, not a 
build directory).

so, how do I specify the location of these files?

this patch would help a lot:

diff --git a/modules/warn-on-use b/modules/warn-on-use
index f0ee83b..75346a7 100644
--- a/modules/warn-on-use
+++ b/modules/warn-on-use
@@ -16,10 +16,10 @@ Makefile.am:
 BUILT_SOURCES += warn-on-use.h
 # The warn-on-use.h that gets inserted into generated .h files is the same as
 # build-aux/warn-on-use.h, except that it has the copyright header cut off.
-warn-on-use.h: $(top_srcdir)/build-aux/warn-on-use.h
+warn-on-use.h: $(build_aux)/warn-on-use.h
        $(AM_V_GEN)rm -f address@hidden $@ && \
        sed -n -e '/^.ifndef/,$$p' \
-         < $(top_srcdir)/build-aux/warn-on-use.h \
+         < $(build_aux)/warn-on-use.h \
          > address@hidden && \
        mv address@hidden $@
 MOSTLYCLEANFILES += warn-on-use.h warn-on-use.h-t

(and a similar one for arg-nonnull)

one would also need to somehow convince automake to add
build_aux = $(top_srcdir)/build-aux
to Makefile.in, but I don't know how to do that.

Thanks.
Sam.