In the current tree, setting PREFIX does not work very well. This is
because of confusion about the meaning of LIBDIR. In some places it
is the pathname tail of directories containing libraries (lib, lib64
or lib/amd64). But in other places it is a destination pathname
(implicitly, including any PREFIX). This can result in PREFIX or /usr
being added the wrong number of times.
This patch splits LIBDIR into two variables, LIBLEAFDIR and
LIBDIR. LIBDIR is the directory into which Xen libraries and other
similar code is to be placed, and includes any PREFIX. LIBLEAFDIR is
just the library tail and can be appended to various different
prefixes; for example, to construct the X11 library directory for -L.
Neither variable contains the value of DESTDIR, which is of course
used only to redirect the results of `make install' when desired.
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
1. GNU ld does not understand -m{32,64}. It must be cooked for it by
the GCC driver program.
2. Where GNU ld is directly called we must use -melf_{i386,x86_64}.
3. We cannot avoid calling GNU ld directly in some cases (e.g., when
specifying GNU-specific linker scripts) as on some host
architectures the GCC driver is configured to call the host
linker.
4. We cannot add -melf_{i386,x86_64} to LDFLAGS as the option is
not recognised by GCC.
Hence we define new LDFLAGS_DIRECT, to be added to the command line
only when invoking GNU ld directly.
Signed-off-by: Keir Fraser <keir@xensource.com>
save/restore working in the xen-ia64-unstable.hg thanks to some
excellent work by Tristan. This simply splits the xcutils components
from the x86-ish linux_save/restore files in a way that should be
friendly to powerpc.
Signed-off-by: Alex Williamson <alex.williamson@hp.com>
Keir Fraser
Emmanuel Ackaouy
kfraser@localhost.localdomain
kaf24@firebug.cl.cam.ac.uk
kfraser@dhcp93.uk.xensource.com