--- SConstruct.orig	2012-07-18 12:25:59.000000000 +0800
+++ SConstruct	2013-09-14 14:44:54.603035259 +0800
@@ -176,10 +176,12 @@
 
     libln_builder = Builder(action='ln -s ${SOURCE.name} ${TARGET.name}',
                             chdir=True)
-    env = Environment(ENV=os.environ, CFLAGS=cflags, CXXFLAGS=cflags,
-                      TAR=tar, MAKE=make, WGET=wget,
-                      CPPPATH=['.'] + allinc(),
-                      tools=['default', 'textfile'])
+    env = Environment(tools=['default', 'textfile'], **ARGUMENTS)
+    env['ENV'] = os.environ
+    env['TAR'] = tar
+    env['MAKE'] = make
+    env['CPPPATH'] = ['.'] + allinc()
+
     env.Append(BUILDERS={'InstallAsSymlink': libln_builder})
     return env
 
@@ -324,7 +326,6 @@
     conf.CheckFunc('getopt_long')
     conf.CheckFunc('getpagesize')
     conf.CheckFunc('get_opt')
-    conf.CheckCHeader('iconv.h')
     conf.CheckCHeader('inttypes.h')
     conf.CheckCHeader('locale.h')
     conf.CheckCHeader('libintl.h')
@@ -420,7 +421,7 @@
                                  lib_target_bin),
             ]
 
-    lib_pkgconfig_target = env.Install(os.path.join(libdir, 'pkgconfig'),
+    lib_pkgconfig_target = env.Install(os.path.join(env['PREFIX'], 'libdata/pkgconfig'),
                                        ['sunpinyin-2.0.pc'])
     libdata_target = env.Install(libdatadir,
                                  ['data/lm_sc.t3g',