Make sure the build system honors C_INCLUDE_PATH and LIBRARY_PATH when
looking for headers and libraries.

--- setup.py	2015-10-07 23:32:58.891329173 +0200
+++ setup.py	2015-10-07 23:46:29.653349924 +0200
@@ -507,11 +507,8 @@ class PyBuildExt(build_ext):
         # if a file is found in one of those directories, it can
         # be assumed that no additional -I,-L directives are needed.
         if not cross_compiling:
-            lib_dirs = self.compiler.library_dirs + [
-                '/lib64', '/usr/lib64',
-                '/lib', '/usr/lib',
-                ]
-            inc_dirs = self.compiler.include_dirs + ['/usr/include']
+            lib_dirs = os.getenv('LIBRARY_PATH', '').split(os.pathsep)
+            inc_dirs = os.getenv('C_INCLUDE_PATH', '').split(os.pathsep)
         else:
             lib_dirs = self.compiler.library_dirs[:]
             inc_dirs = self.compiler.include_dirs[:]
s='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
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<tr><td><span title='2022-01-06 18:54:59 -0800'>2022-01-06</span></td><td><a href='/guix/commit/gnu/system/examples?id=79260c8695cc5e3cd64f5b01e262369d5a67f141'>services: Consistently use SDDM rather than GDM on non-x86_64.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is a follow-up to 49599fab564f203b8e92d32e9b28c99e99849bfb.

Fixes: &lt;https://issues.guix.gnu.org/52908&gt;.

* gnu/services/xorg.scm (set-xorg-configuration)[login-manager-service-type]:
When the current system or target system begins with the string "x86_64", use
gdm-service-type as before; otherwise, use sddm-service-type.
* gnu/system/examples/vm-image.tmpl (services): Add sddm-service-type to the
list of service types to remove.
</span></span></td><td>Chris Marusich</td></tr>
<tr><td><span title='2022-01-05 21:46:41 +0100'>2022-01-05</span></td><td><a href='/guix/commit/gnu/system/examples?id=0fea9aec59f8f328c269d585d849a8f954e39aae'>doc: Only use GDM and GNOME on x86_64.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/system/examples/desktop.tmpl: Only use gnome-desktop-service-type and
the default login manager in set-xorg-configuration when the target system is
x86_64.
</span></span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2021-12-19 23:39:55 +0100'>2021-12-19</span></td><td><a href='/guix/commit/gnu/system/examples?id=9c42d1fa0023849f4cc62cea73469a08c1ab1fdd'>doc: Add group configuration example</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/system/examples/desktop.tmpl: Add group configuration example.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Denis 'GNUtoo' Carikli</td></tr>
<tr><td><span title='2021-11-23 10:24:28 +0100'>2021-11-23</span></td><td><a href='/guix/commit/gnu/system/examples?id=9685c0637decec77880cec65547a2e57c300761a'>doc: Add new Swap Space section.</a><span class='msg-avail'>...<span class='msg-tooltip'>* doc/guix.texi (operating-system Reference): Update swap-devices.
* doc/guix.texi (Swap Space): Add it.
* gnu/system/examples/desktop.tmpl: Add swap-devices example.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Josselin Poiret</td></tr>