Index: b/Makefile.pre.in
===================================================================
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -1248,24 +1248,32 @@
 		$(INSTALL_DATA) $(srcdir)/Modules/xxmodule.c \
 			$(DESTDIR)$(LIBDEST)/distutils/tests ; \
 	fi
+ifeq (@PYC_BUILD@,yes)
 	-PYTHONPATH=$(DESTDIR)$(LIBDEST)  $(RUNSHARED) \
 		$(PYTHON_FOR_BUILD) -Wi $(DESTDIR)$(LIBDEST)/compileall.py \
 		-d $(LIBDEST) -f $(STDLIB_CACHE_FLAGS) \
 		-x 'bad_coding|badsyntax|site-packages|lib2to3/tests/data' \
 		$(DESTDIR)$(LIBDEST)
+endif
+ifeq (@PYO_BUILD@,yes)
 	-PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
 		$(PYTHON_FOR_BUILD) -Wi -O $(DESTDIR)$(LIBDEST)/compileall.py \
 		-d $(LIBDEST) -f $(STDLIB_CACHE_FLAGS) \
 		-x 'bad_coding|badsyntax|site-packages|lib2to3/tests/data' \
 		$(DESTDIR)$(LIBDEST)
+endif
+ifeq (@PYC_BUILD@,yes)
 	-PYTHONPATH=$(DESTDIR)$(LIBDEST)  $(RUNSHARED) \
 		$(PYTHON_FOR_BUILD) -Wi $(DESTDIR)$(LIBDEST)/compileall.py \
 		-d $(LIBDEST)/site-packages -f $(STDLIB_CACHE_FLAGS) \
 		-x badsyntax $(DESTDIR)$(LIBDEST)/site-packages
+endif
+ifeq (@PYO_BUILD@,yes)
 	-PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
 		$(PYTHON_FOR_BUILD) -Wi -O $(DESTDIR)$(LIBDEST)/compileall.py \
 		-d $(LIBDEST)/site-packages -f $(STDLIB_CACHE_FLAGS) \
 		-x badsyntax $(DESTDIR)$(LIBDEST)/site-packages
+endif
 	-PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
 		$(PYTHON_FOR_BUILD) -m lib2to3.pgen2.driver $(DESTDIR)$(LIBDEST)/lib2to3/Grammar.txt
 	-PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
Index: b/configure.ac
===================================================================
--- a/configure.ac
+++ b/configure.ac
@@ -939,6 +939,18 @@
 
 AC_MSG_CHECKING(LDLIBRARY)
 
+AC_SUBST(PYC_BUILD)
+
+AC_ARG_ENABLE(pyc-build,
+	AS_HELP_STRING([--disable-pyc-build], [disable build of pyc files]),
+	[ PYC_BUILD="${enableval}" ], [ PYC_BUILD=yes ])
+
+AC_SUBST(PYO_BUILD)
+
+AC_ARG_ENABLE(pyo-build,
+	AS_HELP_STRING([--disable-pyo-build], [disable build of pyo files]),
+	[ PYO_BUILD="${enableval}" ], [ PYO_BUILD=yes ])
+
 # MacOSX framework builds need more magic. LDLIBRARY is the dynamic
 # library that we build, but we do not want to link against it (we
 # will find it with a -framework option). For this reason there is an