diff --git a/SConstruct b/SConstruct
index be5ad0b7..b8f80da1 100644
--- a/SConstruct
+++ b/SConstruct
@@ -22,11 +22,16 @@
 import os
 from string import Template
 
-JACK_MAJOR_VERSION=0
-JACK_MINOR_VERSION=7
-JACK_MICRO_VERSION=1
+JACK_MAJOR_VERSION=1
+JACK_MINOR_VERSION=9
+JACK_MICRO_VERSION=0
+
+JACKAPI_MAJOR_VERSION=0
+JACKAPI_MINOR_VERSION=1
+JACKAPI_MICRO_VERSION=0
 
 JACK_VERSION="%u.%u.%u" % (JACK_MAJOR_VERSION, JACK_MINOR_VERSION, JACK_MICRO_VERSION)
+JACKAPI_VERSION="%u.%u.%u" % (JACKAPI_MAJOR_VERSION, JACKAPI_MINOR_VERSION, JACKAPI_MICRO_VERSION)
 
 platform = ARGUMENTS.get('OS', str(Platform()))
 
@@ -99,6 +104,10 @@ env['JACK_MAJOR_VERSION'] = JACK_MAJOR_VERSION
 env['JACK_MINOR_VERSION'] = JACK_MINOR_VERSION
 env['JACK_MICRO_VERSION'] = JACK_MICRO_VERSION
 env['JACK_VERSION'] = JACK_VERSION
+env['JACKAPI_MAJOR_VERSION'] = JACKAPI_MAJOR_VERSION
+env['JACKAPI_MINOR_VERSION'] = JACKAPI_MINOR_VERSION
+env['JACKAPI_MICRO_VERSION'] = JACKAPI_MICRO_VERSION
+env['JACKAPI_VERSION'] = JACKAPI_VERSION
 
 # make sure the necessary dirs exist
 if not os.path.isdir('cache/' + build_base):
@@ -179,10 +188,6 @@ env.AppendUnique(CFLAGS = ['-fPIC', '-DUSE_POSIX_SHM'])
 env.AppendUnique(CFLAGS = ['-DJACKMP'])
 env.AppendUnique(CPPFLAGS = ['-DJACKMP'])
 
-env.Alias('install', env['LIBDIR'])
-env.Alias('install', env['INCLUDEDIR'])
-env.Alias('install', env['BINDIR'])
-
 if env['FULL_MIMIC']:
     env['SERVER'] = 'jackd'
     env['CLIENTLIB'] = 'jack'
@@ -195,6 +200,11 @@ else:
     env['WRAPPERLIB'] = 'jack'
     env['ADDON_DIR'] = env.subst(env['LIBDIR']) + "/jackmp"
 
+env.Alias('install', env['LIBDIR'])
+env.Alias('install', env['INCLUDEDIR'])
+env.Alias('install', env['BINDIR'])
+env.Alias('install', env['ADDON_DIR'])
+
 env['PREFIX'] = env.subst(env['PREFIX'])
 env['BINDIR'] = env.subst(env['BINDIR'])
 env['LIBDIR'] = env.subst(env['LIBDIR'])
@@ -204,7 +214,7 @@ env.ScanReplace('jack.pc.in')
 # jack.pc is always updated in case of config changes
 # (PREFIX or JACK_VERSION for instance)
 AlwaysBuild('jack.pc')
-pkg_config_dir = env['PREFIX']+"/lib/pkgconfig/"
+pkg_config_dir = env['LIBDIR']+"/pkgconfig/"
 env.Install(pkg_config_dir, 'jack.pc')
 env.Alias('install', pkg_config_dir)
 
diff --git a/common/SConscript b/common/SConscript
index d484e84d..6288f14b 100644
--- a/common/SConscript
+++ b/common/SConscript
@@ -147,8 +147,8 @@ jack_headers = [
 # Each platform should get it's own environment
 libenv = env.Copy()
 if env['PLATFORM'] == 'posix':
-    libenv.Append(SHLIBSUFFIX='.' + env['JACK_VERSION'])
-    libenv.Append(SHLINKFLAGS='-Wl,-soname,${str(TARGET.file).split(".")[0]}.so.' + str(env['JACK_MAJOR_VERSION']))
+    libenv.Append(SHLIBSUFFIX='.' + env['JACKAPI_VERSION'])
+    libenv.Append(SHLINKFLAGS='-Wl,-soname,${str(TARGET.file).split(".")[0]}.so.' + str(env['JACKAPI_MAJOR_VERSION']))
 
 clientlib = libenv.SharedLibrary(env['CLIENTLIB'], srcfiles_common_clientlib)
 serverlib = libenv.SharedLibrary(env['SERVERLIB'], srcfiles_common_serverlib)
@@ -165,11 +165,11 @@ if env['PLATFORM'] == 'posix':
     if not env['FULL_MIMIC']:
         libs.append((env['WRAPPERLIB'], wrapperlib))
     for lib_name, lib in libs:
-	env.Command('#/common/lib' + lib_name + '.so.' + str(env['JACK_MAJOR_VERSION']), lib, symlinkcmd)
-	env.Command('#/common/lib' + lib_name + '.so', '#/common/lib' + lib_name + '.so.' + str(env['JACK_MAJOR_VERSION']), symlinkcmd)
-        env.Command(env['LIBDIR']  + '/lib' + lib_name + '.so.' + str(env['JACK_MAJOR_VERSION']), env['LIBDIR'] + '/lib' + lib_name + '.so.' + env['JACK_VERSION'], symlinkcmd)
-        env.Command(env['LIBDIR']  + '/lib' + lib_name + '.so', env['LIBDIR'] + '/lib' + lib_name + '.so.' + str(env['JACK_MAJOR_VERSION']), symlinkcmd)
-        env.Alias('install', env['LIBDIR']  + '/lib' + lib_name + '.so.' + str(env['JACK_MAJOR_VERSION']))
+	env.Command('#/common/lib' + lib_name + '.so.' + str(env['JACKAPI_MAJOR_VERSION']), lib, symlinkcmd)
+	env.Command('#/common/lib' + lib_name + '.so', '#/common/lib' + lib_name + '.so.' + str(env['JACKAPI_MAJOR_VERSION']), symlinkcmd)
+        env.Command(env['LIBDIR']  + '/lib' + lib_name + '.so.' + str(env['JACKAPI_MAJOR_VERSION']), env['LIBDIR'] + '/lib' + lib_name + '.so.' + env['JACKAPI_VERSION'], symlinkcmd)
+        env.Command(env['LIBDIR']  + '/lib' + lib_name + '.so', env['LIBDIR'] + '/lib' + lib_name + '.so.' + str(env['JACKAPI_MAJOR_VERSION']), symlinkcmd)
+        env.Alias('install', env['LIBDIR']  + '/lib' + lib_name + '.so.' + str(env['JACKAPI_MAJOR_VERSION']))
 
 # Headers
 for header in jack_headers:
diff --git a/example-clients/SConscript b/example-clients/SConscript
index 76c974fa..d968b4d5 100644
--- a/example-clients/SConscript
+++ b/example-clients/SConscript
@@ -28,7 +28,7 @@ Import('env')
 env.AppendUnique(CPPPATH=['#/', '#/common'])
 
 # A symlinking command
-symlinkcmd = 'ln -nsf $SOURCE.name $TARGET'
+symlinkcmd = 'rm -f $TARGET;ln -nsf $SOURCE.name $TARGET'
 
 #
 # Source files section
@@ -80,5 +80,5 @@ if env['BUILD_EXAMPLES']:
     for example_lib, example_lib_source in example_libs.items():
         lib = clientenv.SharedLibrary(example_lib, example_lib_source)
         if clientenv['INSTALL_EXAMPLES']:
-            clientenv.InstallAs(clientenv['ADDON_DIR'] + '/' + example_lib + '.so', lib)
-            clientenv.Alias('install', clientenv['ADDON_DIR'] + '/' + example_lib + '.so')
+            env.InstallAs(env['ADDON_DIR'] + '/' + example_lib + '.so', lib)
+            env.Alias('install', env['ADDON_DIR'] + '/' + example_lib + '.so')