gnu: make-bootstrap: Make sure %gcc-stripped binaries are usable.

* gnu/packages/make-bootstrap.scm (%gcc-stripped):
  When (%current-target-system) is false, run gcc, g++, and cpp with
  --version.

gnu: make-bootstrap: Build %gcc-static with --disable-lto.

* gnu/packages/make-bootstrap.scm (%gcc-static): Pass --disable-lto.

gnu: make-bootstrap: Build libstdc++ in '%gcc-static'.

* gnu/packages/make-bootstrap.scm (%gcc-static): Re-enable C++.

gnu: make-bootstrap: Use single-output GCCs.

* gnu/packages/make-bootstrap.scm (package-with-relocatable-glibc)[native-inputs]:
  Add 'outputs' field for the rewritten GCC.
  (%gcc-stripped): Add 'outputs' field.

gnu: make-bootstrap: Fix compilation of %gcc-static.

* gnu/packages/make-bootstrap.scm (%gcc-static)[arguments]
  <#:configure-flags>: Add --disable-bootstrap
  --with-stage1-ldflags=-static.
  Remove #:make-flags.

gnu: gcc: Add a "lib" output.

* gnu/packages/gcc.scm (gcc-4.7)[configure-flags]: Add
  --with-gxx-include-dir.
  [outputs]: New field.
  [arguments] <phases>: Adjust to use the "lib" output.  Add
  'substitute*' calls for "libstdc++-v3/python/Makefile.in" and
  "gcc/config.in".
* gnu/packages/base.scm (gcc-boot0) <symlink-libgcc_eh>: Use the "lib"
  output.
  (cross-gcc-wrapper): Add 'outputs' field.
  (glibc-final)[arguments]: Adjust #:allowed-references to list
  '(GCC-BOOT0 "lib").
  (libstdc++): Add 'outputs' field.
  (gcc-final)[arguments]: Add "lib" to #:allowed-references.
* gnu/packages/make-bootstrap.scm (%gcc-static): Add 'outputs' field.

Merge branch 'master' into core-updates

gnu: make-bootstrap: Add missing export.

* gnu/packages/make-bootstrap.scm: Export '%guile-static-stripped'.  The
  problem was hidden because of <http://bugs.gnu.org/17418>.

Merge branch 'core-updates'

gnu: gnu-build-system: Add CC_FOR_BUILD to configure flags.

* guix/build/gnu-build-system.scm: Add new configure flag: CC_FOR_BUILD=gcc

* gnu/packages/gnupg.scm, gnu/packages/guile.scm, gnu/packages/make-bootstrap.scm:
  remove CC_FOR_BUILD from these package descriptions.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

Merge branch 'core-updates'

Conflicts:
	gnu/packages/gnunet.scm

gnu: make-bootstrap: Add missing inputs for Canadian cross of '%gcc-static'.

* gnu/packages/make-bootstrap.scm (%gcc-static): Add 'native-inputs'
  field.

gnu: make-bootstrap: Simplify '%gcc-static'.

* gnu/packages/make-bootstrap.scm (%gcc-static): Add a bunch of
  --disable configure flags.  Remove useless 'inputs' field.

gnu: make-bootstrap: Build libc and Guile without a .gnu_debuglink.

* gnu/packages/make-bootstrap.scm (glibc-for-bootstrap, %guile-static):
  Add 'outputs' field.

gnu: make-bootstrap: Allow bit-reproducibility for 'glibc-stripped'.

* gnu/packages/make-bootstrap.scm (%glibc-stripped): Remove '.install'
  and '..install.cmd' files.

gnu: make-bootstrap: Add C++ header files to the bootstrap GCC.

* gnu/packages/make-bootstrap.scm (%gcc-stripped): Add $gcc/include/c++.

gnu: Switch to GCC 4.8 as the default compiler.

* gnu/packages/base.scm (gcc-boot0, cross-gcc-wrapper, gcc-final): Base
  on GCC-4.8.
* gnu/packages/cross-base.scm (cross-gcc): Likewise.
* gnu/packages/make-bootstrap.scm (package-with-relocatable-glibc,
  %gcc-static, %gcc-stripped): Likewise.

Merge branch 'master' into core-updates

Remove weirdnesses caused by 'letrec*' behavior of record field initializers.

* gnu/packages/bootstrap.scm (package-from-tarball): Remove '*' from
  parameter names.  Adjust accordingly.
* gnu/packages/linux-initrd.scm (expression->initrd): Use 'name'
  directly, removing the 'name*' alias.
* gnu/packages/linux.scm (linux-libre-headers, linux-libre): Rename
  'version*' to 'version'.

gnu: Use the 'patches' field of <origin>.

* gnu/packages/apr.scm,
  gnu/packages/autotools.scm,
  gnu/packages/avahi.scm,
  gnu/packages/cdrom.scm,
  gnu/packages/cmake.scm,
  gnu/packages/cpio.scm,
  gnu/packages/cross-base.scm,
  gnu/packages/emacs.scm,
  gnu/packages/flex.scm,
  gnu/packages/fontutils.scm,
  gnu/packages/glib.scm,
  gnu/packages/grub.scm,
  gnu/packages/guile.scm,
  gnu/packages/idutils.scm,
  gnu/packages/libevent.scm,
  gnu/packages/linux.scm,
  gnu/packages/mail.scm,
  gnu/packages/make-bootstrap.scm,
  gnu/packages/mp3.scm,
  gnu/packages/oggvorbis.scm,
  gnu/packages/pdf.scm,
  gnu/packages/plotutils.scm,
  gnu/packages/qemu.scm,
  gnu/packages/recutils.scm,
  gnu/packages/rush.scm,
  gnu/packages/scheme.scm,
  gnu/packages/system.scm,
  gnu/packages/tcsh.scm,
  gnu/packages/valgrind.scm,
  gnu/packages/vpn.scm,
  gnu/packages/w3m: Use the 'patches' field of <origin> instead of
  adding a patch as input plus using #:patches.