1# Unfortunately setup.py below cannot handle srctree being ".." which it often
2# is. It fails with an error like:
3# Fatal error: can't create build/temp.linux-x86_64-2.7/../lib/libfdt/fdt.o:
4#    No such file or directory
5# To fix this, use an absolute path.
6LIBFDT_srcdir = $(abspath $(srctree)/$(src)/../libfdt)
7
8include $(LIBFDT_srcdir)/Makefile.libfdt
9
10# Unfortunately setup.py (or actually the Python distutil implementation) puts
11# files into the same directory as the .i file. We cannot touch the source
12# directory, so we "ship" .i file into the objtree.
13PYLIBFDT_srcs = $(addprefix $(LIBFDT_srcdir)/,$(LIBFDT_SRCS)) \
14		$(obj)/libfdt.i
15
16# create a version string compliant with PEP 440
17PEP_VERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(subst -,,$(EXTRAVERSION))
18
19quiet_cmd_pymod = PYMOD   $@
20      cmd_pymod = unset CROSS_COMPILE; unset CFLAGS; \
21		CC="$(HOSTCC)" LDSHARED="$(HOSTCC) -shared " \
22		LDFLAGS="$(HOSTLDFLAGS)" \
23		VERSION="$(PEP_VERSION)" \
24		CPPFLAGS="$(HOSTCFLAGS) -I$(LIBFDT_srcdir)" OBJDIR=$(obj) \
25		SOURCES="$(PYLIBFDT_srcs)" \
26		SWIG_OPTS="-I$(LIBFDT_srcdir) -I$(LIBFDT_srcdir)/.." \
27		$(PYTHON3) $< --quiet build_ext --inplace
28
29rebuild: $(src)/setup.py $(PYLIBFDT_srcs)
30	@# Remove the library since otherwise Python doesn't seem to regenerate
31	@# the libfdt.py file if it is missing.
32	@rm -f $(obj)/_libfdt*.so
33	$(call if_changed,pymod)
34	@# Rename the file to _libfdt.so so this Makefile doesn't run every time
35	@if [ ! -e $(obj)/_libfdt.so ]; then \
36		mv $(obj)/_libfdt*.so $(obj)/_libfdt.so; \
37	fi
38
39$(obj)/_libfdt.so $(obj)/libfdt.py &: rebuild
40	@:
41
42always += _libfdt.so libfdt.py
43
44clean-files += libfdt.i _libfdt.so libfdt.py libfdt_wrap.c
45