* guix/build-system.scm (<build-system>)[build, cross-build]: Remove.
[lower]: New field.
(<bag>): New record type.
(make-bag): New procedure.
* guix/packages.scm (bag-transitive-inputs, bag-transitive-build-inputs,
bag-transitive-host-inputs, bag-transitive-target-inputs,
package->bag): New procedures.
(package-derivation): Use it; use the bag, apply its build procedure,
etc.
(package-cross-derivation): Likewise.
* gnu/packages/bootstrap.scm (raw-build, make-raw-bag): New procedure.
(%bootstrap-guile): Use them.
* guix/build-system/trivial.scm (lower): New procedure.
(trivial-build, trivial-cross-build): Remove 'source' parameter. Pass
INPUTS as is.
(trivial-build-system): Adjust accordingly.
* guix/build-system/gnu.scm (%store, inputs-search-paths,
standard-search-paths, expand-inputs, standard-inputs): Remove.
(gnu-lower): New procedure.
(gnu-build): Remove 'source' and #:implicit-inputs? parameters.
Remove 'implicit-inputs' and 'implicit-search-paths' variables. Get
the source from INPUT-DRVS.
(gnu-cross-build): Likewise.
(standard-cross-packages): Remove call to 'standard-packages'.
(standard-cross-inputs, standard-cross-search-paths): Remove.
(gnu-build-system): Remove 'build' and 'cross-build'; add 'lower'.
* guix/build-system/cmake.scm (lower): New procedure.
(cmake-build): Remove 'source' and #:cmake parameters. Use INPUTS and
SEARCH-PATHS as is. Get the source from INPUTS.
* guix/build-system/perl.scm: Likewise.
* guix/build-system/python.scm: Likewise.
* guix/build-system/ruby.scm: Likewise.
* gnu/packages/cross-base.scm (cross-gcc): Change "cross-linux-headers"
to "linux-headers".
(cross-libc)[xlinux-headers]: Pass #:implicit-cross-inputs? #f.
Likewise. In 'propagated-inputs', change "cross-linux-headers" to
"linux-headers".
* guix/git-download.scm (git-fetch): Use 'standard-packages' instead of
'standard-inputs'.
* tests/builders.scm ("gnu-build-system"): Remove use of
'build-system-builder'.
("gnu-build"): Remove 'source' and #:implicit-inputs? arguments to
'gnu-build'.
* tests/packages.scm ("search paths"): Adjust to new build system API.
("package-cross-derivation, no cross builder"): Likewise.
* doc/guix.texi (Build Systems): Add paragraph on bags.
* build-aux/download.scm (file-name->uri): Update URL to /20131110.
* gnu-system.am (nodist_bootstrap_x86_64_linux_DATA,
nodist_bootstrap_i686_linux_DATA): Change base name to
'guile-2.0.9.tar.xz'.
(gnu/packages/bootstrap/x86_64-linux/guile-2.0.9.tar.xz,
gnu/packages/bootstrap/i686-linux/guile-2.0.9.tar.xz): New targets.
(gnu/packages/bootstrap/x86_64-linux/guile-2.0.7.tar.xz,
gnu/packages/bootstrap/i686-linux/guile-2.0.7.tar.xz): Remove.
(gnu/packages/bootstrap/mips64el-linux/guile-2.0.9.tar.xz): Update
hash.
* gnu/packages/base.scm (gcc-boot0): Base upon GCC-4.8. Enable C++, and
add a few --disable flags. Remove MPFR workaround.
(cross-gcc-wrapper): Base upon GCC-4.8. Wrap both 'gcc' and 'g++'.
(libstdc++): New variable.
(gcc-final): Add it as an input; pass corresponding -I and -L flags.
* gnu/packages/bootstrap.scm (%bootstrap-guile): Always use
"guile-2.0.9.tar.xz.
(%bootstrap-coreutils&co): Update hashes.
(%bootstrap-binutils): Update URL and hashes.
(%bootstrap-glibc): Likewise.
(%bootstrap-gcc): Likewise.
* gnu/packages/gcc.scm (gcc-4.7): Add LDFLAGS.
Add --disable-libstdcxx-pch.
Modify the GNU_USER*_SPEC macros from gnu-user*.h instead of the raw
_SPEC macros.
* gnu/packages/bootstrap.scm (glibc-dynamic-linker): Determine SYSTEM
based on (%current-target-system) when it's true.
* gnu/packages/cross-base.scm (cross-gcc): Directly call
(package-arguments gcc-4.7) from the body of `arguments'.
* gnu/packages/cross-base.scm: New file.
* gnu/packages/patches/gcc-cross-environment-variables.patch: New file.
* Makefile.am (MODULES): Add cross-base.scm.
(dist_patch_DATA): Add gcc-cross-environment-variables.patch.
* gnu/packages/base.scm (gcc-4.7): Use `LDFLAGS_FOR_TARGET' instead of
`LDFLAGS_FOR_BUILD', and use `-B' instead of `-L'.
* gnu/packages/bootstrap.scm (glibc-dynamic-linker): Add case for
"mips64el-linux".
* guix/store.scm (add-to-store): Remove the `fixed?' parameter from the
public interface.
* gnu/packages/bootstrap.scm, guix-download.in, guix/derivations.scm,
guix/packages.scm, tests/derivations.scm: Update all callers
accordingly.
* guix/packages.scm (<package>)[inputs]: Mark as thunked.
(package-derivation)[expand-input]: Remove case where the input is a
procedure.
* tests/packages.scm ("trivial with system-dependent input"): Remove
`lambda', and use (%current-system).
* gnu/packages/bootstrap.scm (package-from-tarball): Likewise for `inputs'.
(%bootstrap-glibc, %bootstrap-gcc): Likewise.
* gnu/packages/scheme.scm (mit-scheme): Likewise.
* guix/packages.scm (<package>): Mark `arguments' as thunked.
(package-derivation): Adjust accordingly. Parameterize
%CURRENT-SYSTEM to SYSTEM, so that arguments can refer to it.
* guix/build-system/gnu.scm (package-with-explicit-inputs): Expect
`package-arguments' to always return a list, and return a list.
(package-with-extra-configure-variable): Likewise.
(static-package): Likewise.
* gnu/packages/base.scm (patch, findutils, gcc-4.7, binutils-boot0,
gcc-boot0, glibc-final-with-bootstrap-bash, cross-gcc-wrapper,
static-bash-for-glibc, binutils-final, gcc-final): Change `arguments'
from a lambda to a list, and use (%current-system) as needed.
(nix-system->gnu-triplet, boot-triplet): Have the first argument
default to (%current-system).
* gnu/packages/bootstrap.scm (glibc-dynamic-linker): Have `system'
default to (%current-system).
(%bootstrap-gcc): Change `arguments' to a list.
* gnu/packages/gawk.scm (gawk): Likewise.
* gnu/packages/m4.scm (m4): Likewise.
* gnu/packages/make-bootstrap.scm (%glibc-for-bootstrap): Likewise, and
expect `package-arguments' to return a list.
(%static-inputs, %gcc-static, tarball-package): Likewise.
* gnu/packages/ncurses.scm (ncurses): Likewise.
