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

--- Python-2.7.10/setup.py	2015-10-07 18:33:18.125153186 +0200
+++ Python-2.7.10/setup.py	2015-10-07 18:33:47.497347552 +0200
@@ -526,6 +526,14 @@ class PyBuildExt(build_ext):
             inc_dirs += ['/system/include', '/atheos/autolnk/include']
             inc_dirs += os.getenv('C_INCLUDE_PATH', '').split(os.pathsep)
 
+        # Always honor these variables.
+        if not cross_compiling:
+            lib_dirs += os.getenv('LIBRARY_PATH', '').split(os.pathsep)
+            inc_dirs += os.getenv('C_INCLUDE_PATH', '').split(os.pathsep)
+        else:
+            lib_dirs = os.getenv('CROSS_LIBRARY_PATH', '').split(os.pathsep)
+            inc_dirs = os.getenv('CROSS_CPATH', '').split(os.pathsep)
+
         # OSF/1 and Unixware have some stuff in /usr/ccs/lib (like -ldb)
         if host_platform in ['osf1', 'unixware7', 'openunix8']:
             lib_dirs += ['/usr/ccs/lib']
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<tr><td><span title='2024-12-08 14:10:54 +0100'>2024-12-08</span></td><td><a href='/guix/commit/gnu/packages/toys.scm?id=eafd91c26232f039a3170b73e40b0a2d5983c474'>gnu: daikichi: Update to 0.3.1.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/toys.scm (daikichi): Update to 0.3.1.
</span></span></td><td>Liliana Marie Prikler</td></tr>
<tr><td><span title='2024-11-27 19:01:18 -0500'>2024-11-27</span></td><td><a href='/guix/commit/gnu/packages/toys.scm?id=e1d1fd5ab82ce6a57ab1b9d840a2ecc6674e6fb4'>gnu: cbonsai: Update to 1.3.1-0.50fe627.</a><span class='msg-avail'>...<span class='msg-tooltip'>This fixes some minor bugs in the program.

* gnu/packages/toys.scm (cbonsai): Update to 1.3.1-0.50fe627.

Change-Id: I6f08288d70e496b6cd9a7acba5a19d0a88389872
</span></span></td><td>Leo Famulari</td></tr>