matplotlib: Don't search in global paths

Sets the `basedirlist` option in setup.cfg such that distutils does not search for headers and libraries in `/usr`, and `/usr/local`. Otherwise the build can fail on non-NixOS machines, see #15993.
NixOS · Jun 24, 2016 · 616f846 · 616f846
1 parent df89584
commit 616f846
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diff --git a/pkgs/development/python-modules/matplotlib/basedirlist.patch b/pkgs/development/python-modules/matplotlib/basedirlist.patch
@@ -0,0 +1,8 @@
+diff --git a/setup.cfg b/setup.cfg
+new file mode 100644
+index 0000000..6f81985
+--- /dev/null
++++ b/setup.cfg
+@@ -0,0 +1,2 @@
++[directories]
++basedirlist = .
diff --git a/pkgs/development/python-modules/matplotlib/default.nix b/pkgs/development/python-modules/matplotlib/default.nix
@@ -35,7 +35,9 @@ buildPythonPackage rec {
     ++ stdenv.lib.optional enableGtk2 pygtk
     ++ stdenv.lib.optionals enableGtk3 [ cairo pycairo gtk3 gobjectIntrospection pygobject3 ];
 
-  patches = stdenv.lib.optionals stdenv.isDarwin [ ./darwin-stdenv.patch ];
+  patches =
+    [ ./basedirlist.patch ] ++
+    stdenv.lib.optionals stdenv.isDarwin [ ./darwin-stdenv.patch ];
 
   checkPhase = ''
     ${python.interpreter} tests.py