diff --git a/Makefile.am b/Makefile.am
index fc57c6e..1972104 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -37,8 +37,9 @@ localedir = @datadir@/locale
 #
 # ############################################################
 
-# swig implementation and proxy files generation for Python:
-%_wrap.cc %.py : %.i
+# swig implementation wrapper files generation for Python:
+%_wrap.cc : %.i
+	test -d "$(@D)" || mkdir -p -- "$(@D)"
 	$(SWIG) $(SWIG_PYTHON_OPT) -o $@  $<
 
 # ############################################################
@@ -91,11 +92,11 @@ sgpem2uman_TEXINFOS = $(licenses) doc/vers-uman.texi
 sgpem2dman_TEXINFOS = $(licenses) doc/vers-dman.texi
 
 apidox :
+	test -d 'doc/API' || mkdir -p -- 'doc/API'
 if HAVE_DOXYGEN
 	doxygen config/Doxyfile
 else
 	@echo "** Doxygen not installed. Skipping generating API docs."
-	test ! -d 'doc/API' && mkdir 'doc/API'
 endif
 
 dist-hook : apidox
@@ -106,55 +107,39 @@ distclean-local :
 
 # ############################################################
 #
-# source : main executable
+# source : libpyloader.la
 #
 # ############################################################
 
-# Program & library names
-bin_PROGRAMS = sgpemv2
+pkglib_LTLIBRARIES = src/backend/pyloader/libpyloader.la
 
-sgpemv2_CPPFLAGS = \
+src_backend_pyloader_libpyloader_la_CPPFLAGS = \
 		-I@top_srcdir@ \
 		-DPYCDIR="\"$(pycdir)\"" \
 		-DMODDIR="\"$(moddir)\"" \
 		-DLOCALEDIR="\"$(localedir)\"" \
-		$(CAIRO_CFLAGS) \
-		$(GTKMM_CFLAGS) \
 		$(PYTHON_CPPFLAGS) \
-		$(GTHREAD_CFLAGS)
-sgpemv2_LDFLAGS = \
-		-L@builddir@/src/backend \
-		$(LT_LDFLAGS)
-sgpemv2_LDADD = \
-		src/backend/libbackend.la \
-		$(CAIRO_LIBS) \
-		$(GTKMM_LIBS) \
-		$(GTHREAD_LIBS)
+		$(GLIBMM_CFLAGS)
+src_backend_pyloader_libpyloader_la_LIBADD = \
+		$(PYTHON_LDFLAGS) \
+		$(PYTHON_EXTRA_LIBS) \
+		$(GLIBMM_LIBS)
+src_backend_pyloader_libpyloader_la_LDFLAGS = \
+		$(PYTHON_EXTRA_LDFLAGS) \
+		$(LT_LDFLAGS) 
 
 # Please keep this in sorted order:
-sgpemv2_SOURCES = \
-	src/graphical_terminal_io.cc \
-	src/main.cc \
-	src/main_window.cc \
-	src/observer.cc \
-	src/parse_opts.cc \
-	src/simulation.cc \
-	src/standard_io.cc \
-	src/start_gui.cc \
-	src/text_simulation.cc
+src_backend_pyloader_libpyloader_la_SOURCES = \
+		src/backend/pyloader/python_policy.cc \
+		src/backend/pyloader/python_policy_manager.cc
 
 noinst_HEADERS = \
-	src/graphical_simulation.hh \
-	src/graphical_terminal_io.hh \
-	src/io_manager.hh \
-	src/main.hh \
-	src/main_window.hh \
-	src/observer.hh \
-	src/parse_opts.hh \
-	src/simulation.hh \
-	src/standard_io.hh \
-	src/start_gui.hh \
-	src/text_simulation.hh
+		src/backend/pyloader/python_policy.hh \
+		src/backend/pyloader/python_policy_manager.hh
+
+mod_PYTHON = \
+		src/backend/pyloader/Abstract.py \
+		src/backend/pyloader/Policy.py
 
 # ############################################################
 #
@@ -163,7 +148,7 @@ noinst_HEADERS = \
 # ############################################################
 
 # Program & library names
-pkglib_LTLIBRARIES = src/backend/libbackend.la
+pkglib_LTLIBRARIES += src/backend/libbackend.la
 
 src_backend_libbackend_la_CPPFLAGS = \
 		-I@top_srcdir@ \
@@ -174,9 +159,9 @@ src_backend_libbackend_la_CPPFLAGS = \
 		$(GLIBMM_CFLAGS)
 src_backend_libbackend_la_LIBADD = \
 		src/backend/pyloader/libpyloader.la
-src_backend_libbackend_la_LDFLAGS = $(GLIBMM_LDFLAGS) \
-		$(LT_LDFLAGS) \
-		-L@builddir@/src/backend/pyloader
+src_backend_libbackend_la_LDFLAGS = \
+		$(GLIBMM_LDFLAGS) \
+		$(LT_LDFLAGS)
 
 # Please keep this in sorted order:
 src_backend_libbackend_la_SOURCES = \
@@ -207,6 +192,55 @@ noinst_HEADERS += \
 		src/backend/slice.hh \
 		src/backend/string_utils.hh
 
+# ############################################################
+#
+# source : main executable
+#
+# ############################################################
+
+# Program & library names
+bin_PROGRAMS = sgpemv2
+
+sgpemv2_CPPFLAGS = \
+		-I@top_srcdir@ \
+		-DPYCDIR="\"$(pycdir)\"" \
+		-DMODDIR="\"$(moddir)\"" \
+		-DLOCALEDIR="\"$(localedir)\"" \
+		$(CAIRO_CFLAGS) \
+		$(GTKMM_CFLAGS) \
+		$(PYTHON_CPPFLAGS) \
+		$(GTHREAD_CFLAGS)
+sgpemv2_LDFLAGS = $(LT_LDFLAGS)
+sgpemv2_LDADD = \
+		src/backend/libbackend.la \
+		$(CAIRO_LIBS) \
+		$(GTKMM_LIBS) \
+		$(GTHREAD_LIBS)
+
+# Please keep this in sorted order:
+sgpemv2_SOURCES = \
+	src/graphical_terminal_io.cc \
+	src/main.cc \
+	src/main_window.cc \
+	src/observer.cc \
+	src/parse_opts.cc \
+	src/simulation.cc \
+	src/standard_io.cc \
+	src/start_gui.cc \
+	src/text_simulation.cc
+
+noinst_HEADERS += \
+	src/graphical_simulation.hh \
+	src/graphical_terminal_io.hh \
+	src/io_manager.hh \
+	src/main.hh \
+	src/main_window.hh \
+	src/observer.hh \
+	src/parse_opts.hh \
+	src/simulation.hh \
+	src/standard_io.hh \
+	src/start_gui.hh \
+	src/text_simulation.hh
 
 # ############################################################
 #
@@ -218,59 +252,25 @@ proxies = src/backend/sgpem.py
 wrappers = src/backend/sgpem_wrap.cc
 
 mod_LTLIBRARIES = _sgpem.la
-mod_PYTHON = $(proxies)
+mod_PYTHON += $(proxies)
 
-_sgpem_la_INTERFACES = sgpem.i
+# static pattern rule
+$(proxies): %.py : %.i
+
+_sgpem_la_INTERFACES = src/backend/sgpem.i
 
 _sgpem_la_CPPFLAGS = \
 		-I@top_srcdir@ \
 		-I@top_srcdir@/src/backend \
 		$(SWIG_PYTHON_CPPFLAGS) \
 		$(GLIBMM_CFLAGS)
-_sgpem_la_LDFLAGS = -module $(GLIBMM_LDFLAGS) \
-		-L@top_builddir@/src/backend
+_sgpem_la_LDFLAGS = -module $(GLIBMM_LDFLAGS)
 _sgpem_la_LIBADD = src/backend/libbackend.la
 _sgpem_la_SOURCES = $(wrappers)
-	
+
 EXTRA_DIST += $(_sgpem_la_INTERFACES)
 MOSTLYCLEANFILES = $(proxies) $(wrappers)
 
-# ############################################################
-#
-# source : libpyloader.la
-#
-# ############################################################
-
-pkglib_LTLIBRARIES += src/backend/pyloader/libpyloader.la
-
-src_backend_pyloader_libpyloader_la_CPPFLAGS = \
-		-I@top_srcdir@ \
-		-DPYCDIR="\"$(pycdir)\"" \
-		-DMODDIR="\"$(moddir)\"" \
-		-DLOCALEDIR="\"$(localedir)\"" \
-		$(PYTHON_CPPFLAGS) \
-		$(GLIBMM_CFLAGS)
-src_backend_pyloader_libpyloader_la_LIBADD = \
-		$(PYTHON_LDFLAGS) \
-		$(PYTHON_EXTRA_LIBS) \
-		$(GLIBMM_LIBS)
-src_backend_pyloader_libpyloader_la_LDFLAGS = \
-		$(PYTHON_EXTRA_LDFLAGS) \
-		$(LT_LDFLAGS) 
-
-# Please keep this in sorted order:
-src_backend_pyloader_libpyloader_la_SOURCES = \
-		src/backend/pyloader/python_policy.cc \
-		src/backend/pyloader/python_policy_manager.cc
-
-noinst_HEADERS += \
-		src/backend/pyloader/python_policy.hh \
-		src/backend/pyloader/python_policy_manager.hh
-
-mod_PYTHON += \
-		src/backend/pyloader/Abstract.py \
-		src/backend/pyloader/Policy.py
-
 # ############################################################
 #
 # source : templates
@@ -301,3 +301,4 @@ pyc_PYTHON = # fcfs.py rr.py rr-p.py ...
 # ############################################################
 
 # DEJATOOL = src/testsuite/example-test.exp
+
diff --git a/config/Doxyfile.in b/config/Doxyfile.in
index e9b3e2b..7abe7e8 100644
--- a/config/Doxyfile.in
+++ b/config/Doxyfile.in
@@ -30,7 +30,7 @@ PROJECT_NUMBER         = @PACKAGE_VERSION@
 # If a relative path is entered, it will be relative to the location 
 # where doxygen was started. If left blank the current directory will be used.
 
-OUTPUT_DIRECTORY       = @abs_top_builddir@/doc/API/ 
+OUTPUT_DIRECTORY       = doc/API/ 
 
 # If the CREATE_SUBDIRS tag is set to YES, then doxygen will create 
 # 4096 sub-directories (in 2 levels) under the output directory of each output