The firmware is cross-compiled, but the build system ends up using
'objcopy' instead of 'xtensa-elf-objcopy' by default.  Force it to
use the right one.

--- source/target_firmware/configure	2014-10-28 20:57:26.834436561 +0100
+++ source/target_firmware/configure	2014-10-28 20:57:29.666436530 +0100
@@ -11,6 +11,7 @@ mkdir -p build
 cat > "$TOOLCHAIN_FILE" <<EOF
 INCLUDE(CMakeForceCompiler)
 
+SET(CMAKE_OBJCOPY xtensa-elf-objcopy)
 SET(CMAKE_SYSTEM_PROCESSOR xtensa)
 SET(CMAKE_FIND_ROOT_PATH ${TOOLCHAIN}/$TARGET)
 SET(CMAKE_STRIP :)
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<tr><td><span title='2021-12-13 22:15:07 +0100'>2021-12-13</span></td><td><a href='/guix/commit/gnu/packages/documentation.scm?id=e3196755e60ba7f1ed9d432e73f26a85e0c8893c'>gnu: Further simplify package inputs.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is the result of running:

  ./pre-inst-env guix style --input-simplification=safe

and manually undoing changes on a dozen of packages to reduce
rebuilds (derivations for emacs, icecat, and libreoffice are unchanged.)
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-12-13 17:48:25 +0100'>2021-12-13</span></td><td><a href='/guix/commit/gnu/packages/documentation.scm?id=8394619baceb118df92e355377fd543bb1aa501a'>gnu: Simplify package inputs.</a><span class='msg-avail'>...<span class='msg-tooltip'>This commit was obtained by running:

  ./pre-inst-env guix style

without any additional argument.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-06-19 17:38:47 +0200'>2021-06-19</span></td><td><a href='/guix/commit/gnu/packages/documentation.scm?id=6f9a80b331ae41d142a49fbeb94b90ee587b6155'>Merge branch 'master' into core-updates</a><span class='msg-avail'>...<span class='msg-tooltip'>Note: this merge actually changes the 'curl' and 'python-attrs' derivations,
as part of solving caf4a7a2770ef4d05a6e18f40d602e51da749ddc and
12964df69a99de6190422c752fef65ef813f3b6b respectively.

4604d43c0e (gnu: gnutls@3.6.16: Fix cross-compilation.) was ignored because it
cannot currently be tested.

 Conflicts:
	gnu/local.mk
	gnu/packages/aidc.scm
	gnu/packages/boost.scm
	gnu/packages/curl.scm
	gnu/packages/nettle.scm
	gnu/packages/networking.scm
	gnu/packages/python-xyz.scm
	gnu/packages/tls.scm
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2021-06-14 00:24:42 -0400'>2021-06-14</span></td><td><a href='/guix/commit/gnu/packages/documentation.scm?id=ea0a51071e68c37a4c9c25421cf03bc2f442c67b'>gnu: Rename qtbase to qtbase-5.</a><span class='msg-avail'>...<span class='msg-tooltip'>This change was automated via the following command:

$ git ls-files | xargs sed -i 's/,qtbase)/,qtbase-5)/g'
$ git ls-files | xargs sed -i 's/inherit qtbase)/inherit qtbase-5)/g'
$ git ls-files | xargs sed -i 's/package-version qtbase)/package-version qtbase-5)/g'
$ git checkout etc    # to clear some spurious changes

This is done so the qtbase package can be upgraded to version 6 in the
following commit.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2021-05-22 17:21:57 +0200'>2021-05-22</span></td><td><a href='/guix/commit/gnu/packages/documentation.scm?id=4ea6852c5ff1606cf6848f3ddbb669120b228c13'>Merge branch 'master' into core-updates</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2021-05-22 17:08:14 +0200'>2021-05-22</span></td><td><a href='/guix/commit/gnu/packages/documentation.scm?id=4250b256d76f774819a77d45b98344a08794a2a4'>gnu: doxygen: Update to 1.9.1.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/patches/doxygen-1.8.17-runtests.patch,
gnu/packages/patches/doxygen-test.patch: Delete files.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
* gnu/packages/documentation.scm (doxygen): Update to 1.9.1.
[source](patches): Remove.
[home-page]: Use HTTPS.
[arguments]: Disable bibtex test with a phase instead of patch.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2021-05-18 22:23:49 +0200'>2021-05-18</span></td><td><a href='/guix/commit/gnu/packages/documentation.scm?id=c2649f2811c4d2931a406f272c4af74dfd05cd1a'>gnu: asciidoc: Remove Python 2 variant.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/documentation.scm (asciidoc): Update to 9.1.0.
[inputs]: Replace PYTHON-2 with PYTHON.
(asciidoc-py3): Define as deprecated alias for ASCIIDOC.
* gnu/packages/version-control.scm (git)[native-inputs]: Change from
ASCIIDOC-PY3 to ASCIIDOC.
* gnu/packages/wm.scm (i3-wm)[native-inputs]: Likewise.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2021-05-18 22:23:49 +0200'>2021-05-18</span></td><td><a href='/guix/commit/gnu/packages/documentation.scm?id=e12919a4801306354a91faa4fd9320b54667d4ab'>gnu: asciidoc-py3: Update to 9.1.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/documentation.scm (asciidoc-py3): Update to 9.1.0.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2021-05-18 22:23:49 +0200'>2021-05-18</span></td><td><a href='/guix/commit/gnu/packages/documentation.scm?id=df9e84dbea10b91a581f920f4a3493b4da48feb4'>gnu: asciidoc-py3: Fix source URI.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/documentation.scm (asciidoc-py3)[source](uri): Adjust to
current repo URL.
</span></span></td><td>Marius Bakke</td></tr>