inject proper paths into autotools calls
Merge branches 'sage-bin' and 'python_sage_build' into sagelib
linbox: remove extra/broken CFLAGS env
python-sage: Makefiles fix
python-sage: Makefiles update for 512beta4
Merge branch 'python_sage_build' into sagelib
toplevel build system continued

- -rules target
- cleanup
- TODO update
- dist fixup
- PATH in VPATH case
- --with-{gmp,mpir} options
- cleanup
- build depend on lrcalc
- unstage target improvements
- --disable-all option
- register autotools
- pass sage_local option from makefile

within sage (the distribution) it makes sense for sagelib to know about
$SAGE_LOCAL.  now there's a --with-sage_local arg that needs to be added
to the configure call
Merge branch 'm4rie' into toplevel

(need pkgconfig)
Merge branch 'spkg-install' into toplevel

(makes disable and keepbuild work for several packages)
Merge branch 'sagelib' into toplevel

Conflicts:
	Makefile
	build/deps
toplevel: move package description out of /build

"build" will be used to build packages.

Conflicts:
	pkgs/cliquer/patches/cl_c.patch (deleted)
	pkgs/cliquer/patches/cl_h.patch (deleted)
Merge branches 'pyxx' and 'gmp_mpir' into toplevel
Merge branch 'sage_doc' into toplevel
Merge branch 'doc_src' into toplevel

Conflicts:
	src/bin/sage (deleted)
Merge branch 'singular' into toplevel-WIP3

Conflicts:
	pkgs/singular/patches/Minor.h.patch
CXX fix (needs work)
get rid of transition files

- src/bin/install-sh
- src/bin/sage-dist-install
- src/bin/sage-dist-make
toplevel register ncurses foreign package
toplevel: move package description out of /build

"build" will be used to build packages.

move autotools package
sage-bin: cleanup env

- adapt env
- remove sage-arch-env
- remove SAGE_ROOT hacks
- remove ECLDIR (ecl takes care of it)