$NetBSD: patch-SConstruct,v 1.2 2013/05/28 19:01:22 joerg Exp $

Create shared object.

--- SConstruct.orig	2008-04-21 00:05:35.000000000 +0000
+++ SConstruct
@@ -5,7 +5,7 @@ tools = ['default']
 if os.name == 'nt':
 	tools = ['mingw']
 
-env = Environment(tools = tools)
+env = Environment(tools = tools, ENV = {'PATH': os.environ['PATH']})
 
 options_file = None
 if sys.platform == 'linux2':
@@ -22,6 +22,7 @@ opts.Add('CXX', 'The C++ compiler (for t
 opts.Add('CCFLAGS', 'Flags for the compiler.', ['-O2', '-Wall'])
 opts.Add('LINK', 'The linker.')
 opts.Add('LINKFLAGS', 'Linker flags.', [])
+opts.Add('SONAME', 'Shared library name.')
 opts.Add('no_cygwin', 'Use -mno-cygwin to build using the mingw compiler on cygwin', 0)
 opts.Add('LIBS', 'libraries', [])
 opts.Add('LIBPATH', 'library path', [])
@@ -147,6 +148,8 @@ Files will be installed on <prefix>/bin,
 env['CPPPATH'] = '#/include'
 env['LIBPATH'] =  ['#/lib'] + env['LIBPATH']
 
+env.Append(SHLINKFLAGS=' -Wl,-soname='+env['SONAME'])
+
 if env['no_cygwin']:
 
 	env['CCFLAGS'] += ['-mno-cygwin']