Age | Commit message (Expand) | Author |
2020-06-26 | gnu: mig: Do not assume "perl" to be available....* gnu/packages/hurd.scm (mig)[inputs]: Include perl.
[arguments]: Substitute "perl" with full store file name in bin/mig.
* gnu/packages/cross-base.scm (cross-kernel-headers): Adjust mig-cross
accordingly.
| Jan (janneke) Nieuwenhuizen |
2020-04-11 | gnu: cross-libc: Add patch to allow 'gettyent' reading store file names....* gnu/packages/patches/glibc-hurd-gettyent.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/cross-base.scm (cross-libc): Add it in 'patch-libc/hurd' phase
when 'hurd-target?' is true.
| Jan (janneke) Nieuwenhuizen |
2020-04-11 | gnu: cross-libc: Add patch to add 'mach_print' symbol on GNU/Hurd....* gnu/packages/patches/glibc-hurd-mach-print.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/cross-base.scm (cross-libc): Add 'patch-libc/hurd' phase
when 'hurd-target?' is true.
| Ludovic Courtès |
2020-04-11 | Merge branch 'master' into core-updates | Marius Bakke |
2020-04-10 | gnu: binutils: Shorten file names of MinGW patches....This ensures we stay below the POSIX tar file name length limit.
* gnu/packages/patches/binutils-mingw-w64-reproducible-import-libraries.patch:
Rename to...
* gnu/packages/patches/binutils-mingw-w64-deterministic.patch: ... this.
* gnu/packages/patches/binutils-mingw-w64-specify-timestamp.patch:
Rename to...
* gnu/packages/patches/binutils-mingw-w64-timestamp.patch: ... this.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
* gnu/packages/cross-base.scm (cross-binutils): Likewise.
| Ludovic Courtès |
2020-04-08 | Merge branch 'master' into core-updates... Conflicts:
etc/news.scm
gnu/local.mk
gnu/packages/check.scm
gnu/packages/cross-base.scm
gnu/packages/gimp.scm
gnu/packages/java.scm
gnu/packages/mail.scm
gnu/packages/sdl.scm
gnu/packages/texinfo.scm
gnu/packages/tls.scm
gnu/packages/version-control.scm
| Marius Bakke |
2020-04-08 | gnu: cross-base: Remove unneeded 'let'....This is a followup to 102d307520dee27a40feb1ca5a699763a2f3aefe.
* gnu/packages/cross-base.scm (cross-libc): Remove (let ((libc libc)) …).
(cherry picked from commit 524a4e357cd71566841aaf405e8548fa3600b11b)
| Ludovic Courtès |
2020-04-06 | gnu: Move PACKAGES-WITH-*PATCHES to (guix packages)...* gnu/packages/cross-base.scm (package-with-extra-patches,
package-with-patches): Move procedures from here...
* guix/packages.scm (package-with-extra-patches, package-with-patches):
...to here, and export.
| Carl Dong |
2020-04-05 | gnu: cross-base: Remove unneeded 'let'....This is a followup to 102d307520dee27a40feb1ca5a699763a2f3aefe.
* gnu/packages/cross-base.scm (cross-libc): Remove (let ((libc libc)) …).
| Ludovic Courtès |
2020-04-03 | gnu: cross-base: Add 'package-with-patches'....This is a followup to c1c50cb5b099897a18e4cd8c27970cb45a7c3a94.
* gnu/packages/cross-base.scm (package-with-patch): Rename to...
(package-with-patches): ... this, and take a list of patches.
(package-with-extra-patches): Use it.
(cross-binutils): Use 'search-patches' instead of 'search-patch'.
| Ludovic Courtès |
2020-04-03 | gnu: cross-base: Fix PACKAGE-WITH-EXTRA-PATCHES...This also removes the execute bit from the patches added. Not sure how
or why those were set in the first place.
* gnu/packages/cross-base.scm (package-with-extra-patches): Imitate
PACKAGE-WITH-PATCH instead of using it.
* gnu/packages/patches/binutils-mingw-w64-reproducible-import-libraries.patch:
Remove execute bit.
* gnu/packages/patches/binutils-mingw-w64-specify-timestamp.patch:
Remove execute bit.
| Carl Dong |
2020-04-02 | gnu: cross-base: Hotfix for paren...* gnu/packages/cross-base.scm (package-with-extra-patches): Add trailing
paren.
| Carl Dong |
2020-04-02 | gnu: cross-base: Add mingw-w64 specific binutils patches....These patches were originally found at the debian mingw-w64 team's
binutils repo, and should improve the reproducibility of our mingw-w64
toolchain.
* gnu/packages/patches/binutils-mingw-w64-reproducible-import-libraries.patch:
New file.
* gnu/packages/patches/binutils-mingw-w64-specify-timestamp.patch:
New file.
* gnu/local.mk (dist_patch_DATA): Update accordingly.
* gnu/packages/cross-base.scm (cross-binutils): Apply relevant patches
if target is mingw-w64.
(package-with-extra-patches): New procedure.
| Carl Dong |
2020-04-01 | gnu: cross-libc: Build fix for the Hurd....This fixes cross building of coreutils, e.g.
./pre-inst-env guix build --target=i586-pc-gnu coreutils
* gnu/packages/cross-base.scm (cross-libc): Add -lhurduser, -lmachuser for the
Hurd.
| Jan Nieuwenhuizen |
2020-03-24 | gnu: cross-libc: Build fix for the Hurd....This fixes cross building of coreutils, e.g.
./pre-inst-env guix build --target=i586-pc-gnu coreutils
* gnu/packages/cross-base.scm (cross-libc): Add -lhurduser, -lmachuser for the
Hurd.
| Jan Nieuwenhuizen |
2020-03-24 | gnu: cross-gcc: Add a "lib" output....Add a "lib" output to cross-gcc. This requires an upstream GCC patch adding
support for --with-toolexeclibdir configure option. This option allows to
install cross-built GCC libraries in a specific location.
This also fixes the computation of TOOLDIR_BASE_PREFIX, that fails when
/gnu/store/... directories are involved.
* gnu/packages/patches/gcc-7-cross-toolexeclibdir.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/cross-base.scm (cross-gcc)[source]: Apply it,
[outputs]: add a "lib" output,
(cross-gcc-snippet): fix TOOLDIR_BASE_PREFIX.
| Mathieu Othacehe |
2020-02-15 | gnu: ath9k-htc-firmware: Build with binutils@2.33.1....* gnu/packages/base.scm (binutils-2.33): New public variable.
* gnu/packages/cross-base.scm (cross-binutils): Add optional BINUTILS argument.
* gnu/packages/firmware.scm (ath9k-htc-firmware)[native-inputs]: Build the
xtensa-elf toolchain with BINUTILS-2.33.
| Marius Bakke |
2020-02-12 | gnu: cross-base: Switch back to 'CROSS_C_INCLUDE_PATH' & co....This is a followup to 2073b55e6b964cb8ca15e8c74cb32dac00f05f0d.
* gnu/build/cross-toolchain.scm (%gcc-include-paths): Switch back to
'C_INCLUDE_PATH' & co.
* gnu/packages/cross-base.scm (%gcc-include-paths): Likewise.
(cross-gcc-arguments): Remove 'treat-glibc-as-system-header' phase.
(cross-gcc)[native-inputs]: Reorder so that libc comes last.
[search-paths]: Add "include/c++" for 'CROSS_CPLUS_INCLUDE_PATH'.
* guix/build-system/gnu.scm (standard-cross-packages): Have "cross-gcc"
appear both for 'host and 'target.
| Ludovic Courtès |
2019-10-21 | gnu: mingw-w64: Add -winpthreads variants....This recursive package definition really demonstrates how magical Guix
can be :-)
Try invoking:
./pre-inst-env guix build mingw-w64-{x86_64,i686}{,-winpthreads}
* gnu/packages/mingw.scm (make-mingw-w64): Add XGCC, XBINUTILS optional
arguments to specify using a non-default cross-compiler/binutils. Add
WITH-WINPTHREADS? optional argument to allow building with winpthreads
support. Adjust accordingly for the new arguments.
(mingw-w64-i686-winpthreads, mingw-w64-x86_64-winpthreads): Add
variables.
* gnu/packages/cross-base.scm (native-libc): Add XGCC, XBINUTILS
key arugments and pass to MAKE-MINGW-W64.
(cross-libc): Pass XGCC and XBINUTILS to NATIVE-LIBC.
| Carl Dong |
2019-09-29 | gnu: gcc: Fix i686-linux cross compiler....This resurrects
./pre-inst-env guix build --target=i686-unknown-linux-gnu hello
* gnu/packages/cross-base.scm (cross-gcc-arguments): Do not build libmpx;
does not cross-configure.
| Jan Nieuwenhuizen |
2019-09-27 | gnu: gcc: Fix mingw cross compiler....* gnu/packages/patches/gcc-7-cross-mingw.patch: New file.
* gnu/packages/cross-base.scm (cross-gcc-patches): Add XGCC parameter; update
caller. Use it for target mingw and gcc >= 7.
* gnu/local.mk (dist_patch_DATA): Add it.
| Jan Nieuwenhuizen |
2019-08-22 | Merge branch 'master' into core-updates | Mark H Weaver |
2019-08-14 | gnu: mingw: Add x86_64 support....This patch parameterizes previously hard-coded instances of
i686-w64-mingw32, adding support for x86_64-w64-mingw32.
* gnu/packages/mingw.scm (make-mingw-w64): New procedure.
(mingw-w64-i686, mingw-w64-x86_64): New variables.
(%mingw-triplet): Remove.
(mingw-w64): Update to point to 'mingw-w64-i686'.
* gnu/packages/cross-base.scm (cross-gcc): Use 'libc' keyword argument
if specified, instead of treating it as a boolean.
(native-libc): Return the correct mingw-w64 depending on machine
specified in target.
* gnu/packages/bootstrap.scm (glibc-dynamic-linker): Add "x86_64-mingw".
* gnu/build/cross-toolchain.scm (set-cross-path/mingw): Replace
hardcoded 'i686-w64-mingw32' instances with 'target' keyword argument.
(cross-gcc-build-phases): Update accordingly; use 'target-mingw?'
implementation of target checking and add commentary.
* gnu/ci.scm (%cross-targets): Add "x86_64-w64-mingw32".
| Carl Dong |
2019-06-16 | gnu: cross-base: Fix C++ cross-compilation problems with GCC 7....* gnu/packages/cross-base.scm (cross-gcc-arguments)[#:configure-flags]: Add
"--with-sysroot=/".
| Marius Bakke |
2019-06-13 | Merge branch 'master' into core-updates | Ludovic Courtès |
2019-05-29 | gnu: cross-base: Allow non-default linux-headers....* gnu/packages/cross-base.scm (cross-kernel-headers): Add
LINUX-HEADERS optional argument.
Signed-off-by: Danny Milosavljevic <dannym@scratchpost.org>
| Carl Dong |
2019-05-25 | Merge branch 'staging' into core-updates | Marius Bakke |
2019-05-13 | gnu: cross-base: Allow using non-default glibc....* gnu/packages/cross-base.scm (cross-libc, native-libc, cross-newlib?):
Add 'libc' optional argument to specify using a non-default glibc
package.
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
| Carl Dong |
2019-05-06 | gnu: cross-base: Apply gcc 8 patch to gcc >= 8....* gnu/packages/cross-base.scm (cross-gcc): Apply gcc 8 patch to gcc >= 8.
* gnu/packages/patches/gcc-8-cross-environment-variables.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add the patch.
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
| Carl Dong |
2019-02-28 | gnu: GCC: Move cross-toolchain build fix to (gnu packages cross-base)....This makes sure it is inherited by packages using (cross-gcc ...). This
commit is a followup to 01e8263febb9634564b4b73af49b81a36567a11b.
* gnu/build/cross-toolchain.scm (cross-gcc-build-phases): Move
'treat-glibc-as-system-header' phase ...
* gnu/packages/cross-base.scm (cross-gcc-arguments): ... here.
| Marius Bakke |
2019-02-09 | gnu: Use GCC 7 as the default compiler....* gnu/packages/cross-base.scm (%gcc-cross-include-paths): Remove
CROSS_C_INCLUDE_PATH & co in favor of CROSS_CPATH.
* gnu/build/cross-toolchain.scm (%gcc-cross-include-paths): Likewise.
(cross-gcc-build-phases): Set CROSS_C_INCLUDE_PATH and
CROSS_CPLUS_INCLUDE_PATH when building the cross GCC.
* gnu/packages/commencement.scm (libstdc++): Add
"--disable-libstdcxx-dual-abi" to #:configure-flags.
(gcc-boot0)[arguments]: Add "--disable-libmpx"
to #:configure-flags.
(gcc-final): Add phase to set C_INCLUDE_PATH and CPLUS_INCLUDE_PATH before
building GCC.
(gcc-toolchain-5): Use MAKE-GCC-TOOLCHAIN.
(gcc-toolchain-7): Change to GCC-TOOLCHAIN.
* gnu/packages/gcc.scm (gcc): Change from GCC-5 to GCC-7.
(gfortran): Change to GFORTRAN-7.
(gcc-objc): Change to GCC-OBJC-7.
(gcc-objc++): Change to GCC-OBJC++-7.
* gnu/packages/rust.scm (rust-1.19.0)[native-search-paths]: Change from
C_INCLUDE_PATH & co to CPATH.
| Marius Bakke |
2018-12-20 | gnu: glibc: Inline Hurd "pid/…" magic lookup patch....* gnu/packages/base.scm (glibc)[source](patches): Add
"glibc-hurd-magic-pid.patch".
[arguments]: Remove 'apply-hurd-patch' phase.
[native-inputs]: Remove "hurd-magic-pid-patch".
* gnu/packages/cross-base.scm (cross-libc)[arguments]: Remove
'apply-hurd-patch' phase.
[native-inputs]: Remove "hurd-magic-pid-patch".
| Ludovic Courtès |
2018-12-16 | gnu: glibc: Add patch implementing "pid/…" magic lookup on the Hurd....This patch is missing from glibc 2.28 and is needed to support
/proc/self lookup when using the Hurd's procfs, which in turn is needed
for our 'guile-relocatable.patch'.
See <https://lists.gnu.org/archive/html/bug-hurd/2018-12/msg00024.html>.
* gnu/packages/patches/glibc-hurd-magic-pid.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/base.scm (glibc)[arguments]: Add 'apply-hurd-patch'
phase.
[native-inputs]: Add "hurd-magic-pid-patch" input.
* gnu/packages/cross-base.scm (cross-libc)[arguments]: Duplicate
'apply-hurd-patch' phase.
| Ludovic Courtès |
2018-11-18 | gnu: hurd: Build against glibc 2.28....Version 2.28 of glibc is the first in a long time that fully supports
GNU/Hurd. This change updates the Hurd and Mach to provide the features
glibc 2.28 expects and adjusts the cross-compilation tool chain for
"i586-pc-gnu".
* gnu/packages/base.scm (glibc/linux): Rename to...
(glibc): ... this.
[propagated-inputs]: Add 'hurd-target?' case.
[arguments]: Use '--disable-werror' when 'hurd-target?'. Add
'augment-libc.so' phase when 'hurd-target?'.
[native-inputs]: Add MIG and PERL when 'hurd-target?'.
(glibc/hurd, glibc-for-target): Remove
(glibc/hurd-headers): Inherit from GLIBC, not GLIBC/HURD.
[arguments]: Remove "--enable-obsolete-rpc" configure flag and
'patch-configure-script' phase.
* gnu/packages/cross-base.scm (cross-kernel-headers)[xglibc/hurd-headers]:
Move 'set-cross-headers-path' after 'unpack'.
* gnu/packages/cross-base.scm (cross-libc)[cross-libc-for-target]:
Remove.
Pass "--disable-werror" when TARGET matches 'hurd-triplet?'.
* gnu/packages/hurd.scm (hurd-target?, patch-url): New procedures.
(gnumach-headers)[source](patches, modules, snippet): New fields.
(hurd-headers): Use Git commit 98b3390.
[native-inputs]: Add AUTOCONF and AUTOMAKE.
[arguments]: Add "ac_cv_func_*" configure flags.
(hurd-minimal)[native-inputs]: Remove.
[arguments]: In 'build' phase, build "include/assert-backtrace.h"
first.
| Ludovic Courtès |
2018-03-16 | gnu: All snippets report errors using exceptions, else return #t....* gnu/packages/admin.scm, gnu/packages/algebra.scm, gnu/packages/audio.scm,
gnu/packages/backup.scm, gnu/packages/base.scm,
gnu/packages/bioinformatics.scm, gnu/packages/cdrom.scm,
gnu/packages/chez.scm, gnu/packages/code.scm, gnu/packages/compression.scm,
gnu/packages/cross-base.scm, gnu/packages/crypto.scm, gnu/packages/cups.scm,
gnu/packages/databases.scm, gnu/packages/dns.scm, gnu/packages/emacs.scm,
gnu/packages/emulators.scm, gnu/packages/engineering.scm,
gnu/packages/enlightenment.scm, gnu/packages/fpga.scm,
gnu/packages/freedesktop.scm, gnu/packages/ftp.scm, gnu/packages/games.scm,
gnu/packages/gcc.scm, gnu/packages/geo.scm, gnu/packages/ghostscript.scm,
gnu/packages/gl.scm, gnu/packages/glib.scm, gnu/packages/gnome.scm,
gnu/packages/gnuzilla.scm, gnu/packages/graphics.scm, gnu/packages/gtk.scm,
gnu/packages/guile.scm, gnu/packages/irc.scm, gnu/packages/java.scm,
gnu/packages/kerberos.scm, gnu/packages/linux.scm, gnu/packages/lisp.scm,
gnu/packages/lxde.scm, gnu/packages/machine-learning.scm,
gnu/packages/mail.scm, gnu/packages/maths.scm, gnu/packages/messaging.scm,
gnu/packages/monitoring.scm, gnu/packages/mp3.scm, gnu/packages/music.scm,
gnu/packages/netpbm.scm, gnu/packages/networking.scm, gnu/packages/node.scm,
gnu/packages/nvi.scm, gnu/packages/ocaml.scm, gnu/packages/pdf.scm,
gnu/packages/perl.scm, gnu/packages/php.scm, gnu/packages/plotutils.scm,
gnu/packages/pretty-print.scm, gnu/packages/profiling.scm,
gnu/packages/pulseaudio.scm, gnu/packages/python-crypto.scm,
gnu/packages/python.scm, gnu/packages/qt.scm, gnu/packages/robotics.scm,
gnu/packages/sawfish.scm, gnu/packages/scanner.scm, gnu/packages/scheme.scm,
gnu/packages/scribus.scm, gnu/packages/sdl.scm,
gnu/packages/serialization.scm, gnu/packages/shells.scm,
gnu/packages/slang.scm, gnu/packages/smalltalk.scm, gnu/packages/ssh.scm,
gnu/packages/sync.scm, gnu/packages/syncthing.scm, gnu/packages/tbb.scm,
gnu/packages/terminals.scm, gnu/packages/texinfo.scm,
gnu/packages/text-editors.scm, gnu/packages/textutils.scm,
gnu/packages/tls.scm, gnu/packages/unrtf.scm,
gnu/packages/version-control.scm, gnu/packages/video.scm,
gnu/packages/vpn.scm, gnu/packages/web.scm, gnu/packages/wm.scm,
gnu/packages/wxwidgets.scm, gnu/packages/xdisorg.scm, gnu/packages/xorg.scm:
In all snippets, report errors using exceptions, or else return #t.
| Mark H Weaver |
2018-03-16 | gnu: cross-base: Return #t from all phases....* gnu/packages/cross-base.scm (cross-kernel-headers)[xlinux-headers]: Use
invoke.
| Mark H Weaver |
2018-02-20 | gnu: cross-base: Update phase style....* gnu/packages/cross-base.scm (cross-kernel-headers, cross-libc): Use
MODIFY-PHASES syntax and end phases with #t.
| Tobias Geerinckx-Rice |
2018-01-23 | Merge branch 'master' into core-updates | Mark H Weaver |
2018-01-20 | gnu: cross-base: Apply gcc 6 patch to gcc >= 6....* gnu/packages/cross-base.scm (cross-gcc): Apply gcc 6 patch to gcc >= 6.
| Danny Milosavljevic |
2017-09-05 | gnu: glibc: Add "static" output....This shrinks glibc:out from 37 MiB to 29 MiB.
* gnu/packages/base.scm (glibc/linux)[outputs]: Add "static".
[arguments]: Add #:modules. Add 'move-static-libs' phase.
* gnu/packages/commencement.scm (static-bash-for-glibc): Augment
#:configure-flags to pass "-L LIBC:STATIC". Add the "static" output of
GLIBC-FINAL to 'inputs'.
(%boot2-inputs, %final-inputs): Likewise.
(canonical-package): Adjust to deal with multiple-output packages.
* gnu/packages/cross-base.scm (cross-gcc): Add the "static" output of
LIBC to 'native-inputs'.
| Ludovic Courtès |
2017-05-29 | gnu: cross-base: Turn '%xgcc' into a macro....Previously:
./pre-inst-env guile -c '(use-modules (gnu packages gcc))'
would fail due to circular dependencies.
* gnu/packages/cross-base.scm (%xgcc): Turn into a macro.
| Ludovic Courtès |
2017-05-26 | gnu: Fix another call to cross-gcc....This is a followup to commit 7b3318e34f4e2743254a88b908859901db960e9a.
* gnu/packages/make-bootstrap.scm (package-with-relocatable-glibc)
[native-inputs]: Fix 'cross-gcc' call.
* gnu/packages/cross-base.scm: Fix example 'cross-gcc' call in a comment.
| Mark H Weaver |
2017-05-24 | gnu: Allow overriding of xgcc package in cross-gcc....* gnu/packages/cross-base.scm (cross-gcc-arguments): Take extra "xgcc"
argument.
(cross-gcc): Use keyword arguments; take optional "xgcc" argument.
* gnu/packages/embedded.scm (gcc-arm-none-eabi-4.9, propeller-gcc, gcc-vc4):
Use keyword arguments.
* gnu/packages/avr.scm (avr-gcc-4.9): Likewise.
| Ricardo Wurmus |
2017-01-06 | Merge branch 'master' into core-updates | Leo Famulari |
2017-01-04 | gnu: linux-libre: Adjust for PowerPC....* gnu/packages/linux.scm (system->defconfig): New procedure.
(linux-libre-headers)[arguments]: Use it in 'build' phase to determine
the target name.
* gnu/packages/cross-base.scm (cross-kernel-headers)[xlinux-headers]
(arguments): Likewise.
| Carlos Sánchez de La Lama |
2017-01-03 | gnu: Use hurd-triplet? to check if GNU/Hurd....* gnu/packages/make-bootstrap.scm (hurd-triplet?): Move it from here..
* gnu/packages/hurd.scm: ..to here. New exported procedure.
* gnu/packages/commencement.scm (glibc-final-with-bootstrap-bash)
[arguments]: Replace string-match.
[inputs]: Same.
* gnu/packages/cross-base.scm (cross-libc)[native-inputs]: Same.
| Manolis Ragkousis |
2016-12-07 | gnu: cross-base: Move phases to (gnu build cross-toolchain)....* gnu/packages/cross-base.scm (cross-gcc-arguments) <#:phases>: Use
'cross-gcc-build-phases', and move body cross-toolchain.scm.
(cross-gcc): Add #:imported-modules. Add (gnu build cross-toolchain) to
#:modules.
* gnu/build/cross-toolchain.scm: New file, with code from
'cross-gcc-arguments'.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.
| Ludovic Courtès |
2016-12-07 | gnu: cross-base: Factorize list of cross environment variables....* gnu/packages/cross-base.scm (cross-libc): Replace literal list of
environment variable names with %GCC-CROSS-INCLUDE-PATHS.
(cross-kernel-headers): Likewise.
| Ludovic Courtès |
2016-12-07 | gnu: cross-kernel-headers: Remove propagated-inputs from xhurd-headers....* gnu/packages/cross-base.scm (xhurd-headers)[propagated-inputs]: Remove them.
| Manolis Ragkousis |
2016-12-07 | gnu: cross-base: Add i686-w64-mingw32 target....* guix/utils.scm (mingw-target?): New function.
* gnu/packages/cross-base.scm (cross-gcc-snippet): New procedure
(cross-gcc): Use it.
(cross-gcc-arguments, cross-gcc-patches, cross-gcc): Support MinGW.
(native-libc, cross-newlib?): New functions.
(cross-libc): Use cross-newlib? to support MinGW.
(%gcc-include-paths, %gcc-cross-include-paths): New variables.
| Jan Nieuwenhuizen |