Merge branch 'staging' into closure-size

pkgs/development/libraries/glib/default.nix

@@ -7,7 +7,7 @@
 
 with stdenv.lib;
 
-assert !stdenv.isDarwin -> stdenv.cc.isGNU;
+assert stdenv.isFreeBSD || stdenv.isDarwin || stdenv.cc.isGNU;
 
 # TODO:
 # * Add gio-module-fam
@@ -69,11 +69,15 @@ stdenv.mkDerivation rec {
   # internal pcre would only add <200kB, but it's relatively common
   configureFlags = [ "--with-pcre=system" ]
     ++ optional stdenv.isDarwin "--disable-compile-warnings"
+    ++ optional stdenv.isFreeBSD "--with-libiconv=gnu"
     ++ optional stdenv.isSunOS ["--disable-modular-tests" "--with-libiconv"];
 
   NIX_CFLAGS_COMPILE = optionalString stdenv.isDarwin " -lintl"
     + optionalString stdenv.isSunOS " -DBSD_COMP";
 
+  LIBELF_CFLAGS = optional stdenv.isFreeBSD "-I${libelf}";
+  LIBELF_LIBS = optional stdenv.isFreeBSD "-L${libelf} -lelf";
+
   preBuild = optionalString stdenv.isDarwin
     ''
       export MACOSX_DEPLOYMENT_TARGET=