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https://github.com/brain-hackers/u-boot-brain
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4b5019e3e5
Some versions of make complain about using a grouped target without a recipe: .../pylibfdt/Makefile:36: *** grouped targets must provide a recipe. Stop. Fix this by adding a dummy recipe. Signed-off-by: Simon Glass <sjg@chromium.org>
42 lines
1.5 KiB
Makefile
42 lines
1.5 KiB
Makefile
# Unfortunately setup.py below cannot handle srctree being ".." which it often
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# is. It fails with an error like:
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# Fatal error: can't create build/temp.linux-x86_64-2.7/../lib/libfdt/fdt.o:
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# No such file or directory
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# To fix this, use an absolute path.
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LIBFDT_srcdir = $(abspath $(srctree)/$(src)/../libfdt)
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include $(LIBFDT_srcdir)/Makefile.libfdt
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# Unfortunately setup.py (or actually the Python distutil implementation) puts
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# files into the same directory as the .i file. We cannot touch the source
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# directory, so we "ship" .i file into the objtree.
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PYLIBFDT_srcs = $(addprefix $(LIBFDT_srcdir)/,$(LIBFDT_SRCS)) \
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$(obj)/libfdt.i
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quiet_cmd_pymod = PYMOD $@
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cmd_pymod = unset CROSS_COMPILE; unset CFLAGS; \
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CC="$(HOSTCC)" LDSHARED="$(HOSTCC) -shared " \
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LDFLAGS="$(HOSTLDFLAGS)" \
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VERSION="u-boot-$(UBOOTVERSION)" \
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CPPFLAGS="$(HOSTCFLAGS) -I$(LIBFDT_srcdir)" OBJDIR=$(obj) \
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SOURCES="$(PYLIBFDT_srcs)" \
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SWIG_OPTS="-I$(LIBFDT_srcdir) -I$(LIBFDT_srcdir)/.." \
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$(PYTHON3) $< --quiet build_ext --inplace
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rebuild: $(src)/setup.py $(PYLIBFDT_srcs)
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@# Remove the library since otherwise Python doesn't seem to regenerate
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@# the libfdt.py file if it is missing.
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@rm -f $(obj)/_libfdt*.so
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$(call if_changed,pymod)
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@# Rename the file to _libfdt.so so this Makefile doesn't run every time
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@if [ ! -e $(obj)/_libfdt.so ]; then \
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mv $(obj)/_libfdt*.so $(obj)/_libfdt.so; \
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fi
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$(obj)/_libfdt.so $(obj)/libfdt.py &: rebuild
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@:
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always += _libfdt.so libfdt.py
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clean-files += libfdt.i _libfdt.so libfdt.py libfdt_wrap.c
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