pylibfdt: move pylibfdt to scripts/dtc/pylibfdt and refactor makefile

[oweals/u-boot.git] / scripts / dtc / pylibfdt / Makefile

diff --git a/scripts/dtc/pylibfdt/Makefile b/scripts/dtc/pylibfdt/Makefile
new file mode 100644 (file)
index 0000000..01d5e0f
--- /dev/null
+++ b/scripts/dtc/pylibfdt/Makefile
@@ -0,0 +1,30 @@
+# Unfortunately setup.py below cannot handle srctree being ".." which it often
+# is. It fails with an error like:
+# Fatal error: can't create build/temp.linux-x86_64-2.7/../lib/libfdt/fdt.o:
+#    No such file or directory
+# To fix this, use an absolute path.
+LIBFDT_srcdir = $(abspath $(srctree)/$(src)/../libfdt)
+
+include $(LIBFDT_srcdir)/Makefile.libfdt
+
+# Unfortunately setup.py (or actually the Python distutil implementation) puts
+# files into the same directory as the .i file. We cannot touch the source
+# directory, so we "ship" .i file into the objtree.
+PYLIBFDT_srcs = $(addprefix $(LIBFDT_srcdir)/,$(LIBFDT_SRCS)) \
+               $(obj)/libfdt.i
+
+quiet_cmd_pymod = PYMOD   $@
+      cmd_pymod = unset CC; unset CROSS_COMPILE; unset CFLAGS;\
+               LDFLAGS="$(HOSTLDFLAGS)" \
+               VERSION="u-boot-$(UBOOTVERSION)" \
+               CPPFLAGS="$(HOSTCFLAGS) -I$(LIBFDT_srcdir)" OBJDIR=$(obj) \
+               SOURCES="$(PYLIBFDT_srcs)" \
+               SWIG_OPTS="-I$(LIBFDT_srcdir) -I$(LIBFDT_srcdir)/.." \
+               $(PYTHON) $< --quiet build_ext --inplace
+
+$(obj)/_libfdt.so: $(src)/setup.py $(PYLIBFDT_srcs) FORCE
+       $(call if_changed,pymod)
+
+always += _libfdt.so
+
+clean-files += libfdt.i _libfdt.so libfdt.py libfdt_wrap.c