From 4101db0bec17f968e694a771b2a6a6d5c96d3e25 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vcunat@gmail.com>
Date: Sat, 18 Apr 2015 20:59:36 +0200
Subject: [PATCH] python2*: fix detecting C libs, no header references

---
 .../interpreters/python/2.6/default.nix       | 20 +++++++++++--------
 .../interpreters/python/2.7/default.nix       | 17 ++++++++++------
 2 files changed, 23 insertions(+), 14 deletions(-)

diff --git a/pkgs/development/interpreters/python/2.6/default.nix b/pkgs/development/interpreters/python/2.6/default.nix
index 9bf161ffc1aa..787e3ea9e3b5 100644
--- a/pkgs/development/interpreters/python/2.6/default.nix
+++ b/pkgs/development/interpreters/python/2.6/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, zlib ? null, zlibSupport ? true, bzip2, includeModules ? false
+{ stdenv, fetchurl, pkgconfig, zlib ? null, zlibSupport ? true, bzip2, includeModules ? false
 , sqlite, tcl, tk, x11, openssl, readline, db, ncurses, gdbm, self, callPackage }:
 
 assert zlibSupport -> zlib != null;
@@ -48,9 +48,13 @@ let
 
   buildInputs =
     optional (stdenv ? cc && stdenv.cc.libc != null) stdenv.cc.libc ++
-    [ bzip2 openssl ]++ optionals includeModules [ db openssl ncurses gdbm readline x11 tcl tk sqlite ]
+    [ pkgconfig bzip2 openssl ]++ optionals includeModules [ db openssl ncurses gdbm readline x11 tcl tk sqlite ]
     ++ optional zlibSupport zlib;
 
+  mkPaths = paths: {
+    C_INCLUDE_PATH = concatStringsSep ":" (map (p: "${p.dev or p}/include") buildInputs);
+    LIBRARY_PATH = concatStringsSep ":" (map (p: "${p.lib or (p.out or p)}/lib") buildInputs);
+  };
 
   # Build the basic Python interpreter without modules that have
   # external dependencies.
@@ -60,8 +64,7 @@ let
 
     inherit majorVersion version src patches buildInputs preConfigure;
 
-    C_INCLUDE_PATH = concatStringsSep ":" (map (p: "${p}/include") buildInputs);
-    LIBRARY_PATH = concatStringsSep ":" (map (p: "${p}/lib") buildInputs);
+    inherit (mkPaths buildInputs) C_INCLUDE_PATH LIBRARY_PATH;
 
     configureFlags = "--enable-shared --with-threads --enable-unicode";
 
@@ -83,10 +86,12 @@ let
         ln -s $out/lib/python${majorVersion}/pdb.py $out/bin/pdb${majorVersion}
         mv $out/share/man/man1/{python.1,python2.6.1}
         ln -s $out/share/man/man1/{python2.6.1,python.1}
-        
+
         paxmark E $out/bin/python${majorVersion}
-        
+
         ${ optionalString includeModules "$out/bin/python ./setup.py build_ext"}
+
+        rm "$out/lib/python2.7/plat-linux2/regen" # refers to glibc.dev
       '';
 
     passthru = rec {
@@ -135,8 +140,7 @@ let
 
       buildInputs = [ python ] ++ deps;
 
-      C_INCLUDE_PATH = concatStringsSep ":" (map (p: "${p}/include") buildInputs);
-      LIBRARY_PATH = concatStringsSep ":" (map (p: "${p}/lib") buildInputs);
+      inherit (mkPaths buildInputs) C_INCLUDE_PATH LIBRARY_PATH;
 
       buildPhase =
         ''
diff --git a/pkgs/development/interpreters/python/2.7/default.nix b/pkgs/development/interpreters/python/2.7/default.nix
index 8b24fe004631..56f209809414 100644
--- a/pkgs/development/interpreters/python/2.7/default.nix
+++ b/pkgs/development/interpreters/python/2.7/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, self, callPackage
+{ stdenv, fetchurl, pkgconfig, self, callPackage
 , bzip2, openssl
 
 , includeModules ? false
@@ -60,13 +60,18 @@ let
 
   buildInputs =
     optional (stdenv ? cc && stdenv.cc.libc != null) stdenv.cc.libc ++
-    [ bzip2 openssl ]
+    [ pkgconfig bzip2 openssl ]
     ++ optionals includeModules (
         [ db gdbm ncurses sqlite readline
         ] ++ optionals x11Support [ tcl tk x11 libX11 ]
     )
     ++ optional zlibSupport zlib;
 
+  mkPaths = paths: {
+    C_INCLUDE_PATH = concatStringsSep ":" (map (p: "${p.dev or p}/include") buildInputs);
+    LIBRARY_PATH = concatStringsSep ":" (map (p: "${p.lib or (p.out or p)}/lib") buildInputs);
+  };
+
   # Build the basic Python interpreter without modules that have
   # external dependencies.
   python = stdenv.mkDerivation {
@@ -76,8 +81,7 @@ let
     inherit majorVersion version src patches buildInputs preConfigure;
 
     LDFLAGS = stdenv.lib.optionalString (!stdenv.isDarwin) "-lgcc_s";
-    C_INCLUDE_PATH = concatStringsSep ":" (map (p: "${p}/include") buildInputs);
-    LIBRARY_PATH = concatStringsSep ":" (map (p: "${p}/lib") buildInputs);
+    inherit (mkPaths buildInputs) C_INCLUDE_PATH LIBRARY_PATH;
 
     configureFlags = "--enable-shared --with-threads --enable-unicode";
 
@@ -105,6 +109,8 @@ let
         paxmark E $out/bin/python${majorVersion}
 
         ${ optionalString includeModules "$out/bin/python ./setup.py build_ext"}
+
+        rm "$out/lib/python2.7/plat-linux2/regen" # refers to glibc.dev
       '';
 
     passthru = rec {
@@ -153,8 +159,7 @@ let
 
       buildInputs = [ python ] ++ deps;
 
-      C_INCLUDE_PATH = concatStringsSep ":" (map (p: "${p}/include") buildInputs);
-      LIBRARY_PATH = concatStringsSep ":" (map (p: "${p}/lib") buildInputs);
+      inherit (mkPaths buildInputs) C_INCLUDE_PATH LIBRARY_PATH;
 
       buildPhase = ''
           substituteInPlace setup.py --replace 'self.extensions = extensions' \