Build the upstream python libfdt module. At present the legacy module is still built and is the one that it used. Future work will switch this over.
Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v3: - More machinations to avoid touching the source directory
Changes in v2: - Fix building when srcpath is ".."
tools/Makefile | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+)
diff --git a/tools/Makefile b/tools/Makefile index cd08d3b33b..bc411e4ae4 100644 --- a/tools/Makefile +++ b/tools/Makefile @@ -63,6 +63,16 @@ FIT_SIG_OBJS-$(CONFIG_FIT_SIGNATURE) := common/image-sig.o LIBFDT_CSRCS := fdt.c fdt_ro.c fdt_wip.c fdt_sw.c fdt_rw.c fdt_strerror.c \ fdt_empty_tree.c fdt_addresses.c fdt_overlay.c \ fdt_region.c + +# 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_tree := $(shell readlink -f $(srctree)/lib/libfdt) + +LIBFDT_SRCS := $(addprefix $(libfdt_tree)/, $(LIBFDT_CSRCS)) +LIBFDT_SWIG := $(addprefix $(libfdt_tree)/, pylibfdt/libfdt.i) LIBFDT_OBJS := $(addprefix lib/libfdt/, $(patsubst %.c, %.o, $(LIBFDT_CSRCS)))
RSA_OBJS-$(CONFIG_FIT_SIGNATURE) := $(addprefix lib/rsa/, \ @@ -114,6 +124,23 @@ mkimage-objs := $(dumpimage-mkimage-objs) mkimage.o fit_info-objs := $(dumpimage-mkimage-objs) fit_info.o fit_check_sign-objs := $(dumpimage-mkimage-objs) fit_check_sign.o
+# 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 copy the .i file into the tools/ build subdirectory before +# calling setup. This directory is safe to write to. This ensures that we get +# all three files in $(obj)/tools: _libfdt.so, libfdt.py and libfdt_wrap.c +# The latter is a temporary file which we could actually remove. +tools/_libfdt.so: $(LIBFDT_SRCS) $(LIBFDT_SWIG) + cp $(LIBFDT_SWIG) tools/. + unset CC; \ + unset CROSS_COMPILE; \ + LDFLAGS="$(HOSTLDFLAGS)" CFLAGS= VERSION="u-boot-$(UBOOTVERSION)" \ + CPPFLAGS="$(_hostc_flags)" OBJDIR=tools \ + SOURCES="$(LIBFDT_SRCS) tools/libfdt.i" \ + SWIG_OPTS="-I$(srctree)/lib/libfdt -I$(srctree)/lib" \ + $(libfdt_tree)/pylibfdt/setup.py --quiet build_ext \ + --build-lib tools + # Build a libfdt Python module if swig is available # Use 'sudo apt-get install swig libpython-dev' to enable this hostprogs-y += \ @@ -219,6 +246,10 @@ clean-dirs := lib common
always := $(hostprogs-y)
+# Build a libfdt Python module if swig is available +# Use 'sudo apt-get install swig libpython-dev' to enable this +always += $(if $(shell which swig 2> /dev/null),_libfdt.so) + # Generated LCD/video logo LOGO_H = $(objtree)/include/bmp_logo.h LOGO_DATA_H = $(objtree)/include/bmp_logo_data.h