From 1741bb2597a152821474242ad1a9b37a4d171ed9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Llu=C3=ADs=20Batlle=20i=20Rossell?=
 <viric@vicerveza.homeunix.net>
Date: Mon, 1 Feb 2010 19:55:40 +0000
Subject: [PATCH] Making 'boost' optionally build with -fPIC (with
 enableStatic, will produce static libraries linkable in a shared object)

svn path=/nixpkgs/trunk/; revision=19759
---
 pkgs/development/libraries/boost/1.41.0.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/boost/1.41.0.nix b/pkgs/development/libraries/boost/1.41.0.nix
index 7b1166fb656..1bd500e270a 100644
--- a/pkgs/development/libraries/boost/1.41.0.nix
+++ b/pkgs/development/libraries/boost/1.41.0.nix
@@ -5,6 +5,7 @@
 , enableMultiThreaded ? true
 , enableShared ? true
 , enableStatic ? false
+, enablePIC ? false
 }:
 
 let
@@ -27,6 +28,8 @@ let
     (enableShared && enableStatic)) then
     "tagged" else "system";
 
+  cflags = if (enablePIC) then "cflags=-fPIC cxxflags=-fPIC linkflags=-fPIC" else "";
+
 in
 
 stdenv.mkDerivation {
@@ -48,7 +51,7 @@ stdenv.mkDerivation {
   configureScript = "./bootstrap.sh";
   configureFlags = "--with-icu=${icu} --with-python=${python}/bin/python";
 
-  buildPhase = "./bjam -sEXPAT_INCLUDE=${expat}/include -sEXPAT_LIBPATH=${expat}/lib --layout=${finalLayout} variant=${variant} threading=${threading} link=${link} install";
+  buildPhase = "./bjam -sEXPAT_INCLUDE=${expat}/include -sEXPAT_LIBPATH=${expat}/lib --layout=${finalLayout} variant=${variant} threading=${threading} link=${link} ${cflags} install";
 
   installPhase = ":";
 }