patching libundwind to build in yocto environment.
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Changes include:
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Introduced an output folder which will keep all the outputs from the
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android-tools.
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Adding an include file that is setting the common flags.
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Changed the cppflag to include the headers from other components
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of android-tools
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Modified LDflags so that the libraries that are coming from other android-tools
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are searched in the output folder.
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Modified the build rule so that it outputs the binary to the OUT_DIR
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Passing the architecture details($CPU)from the recipe.
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Signed-off-by: Nisha Parrakat <Nisha.Parrakat@kpit.com>
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Upstream-Status: Pending
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--- git/external/libunwind/debian/libunwind.mk 2021-05-22 02:29:52.950324653 +0000
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+++ git/external/libunwind/debian/libunwind.mk 2021-05-22 02:30:48.535322846 +0000
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@@ -1,4 +1,4 @@
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-include debian/detect_arch.mk
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+include ../../rules_yocto.mk
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ARCH_SOURCES = is_fpreg.c \
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regname.c \
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@@ -131,10 +131,12 @@
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CPPFLAGS += -Iinclude -Isrc $($(CPU)_INCLUDES) -Idebian/include
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LDFLAGS += -shared -Wl,-soname,$(NAME).so.0 \
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-Wl,-rpath=/usr/lib/$(DEB_HOST_MULTIARCH)/android \
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- -lpthread -nostdlib -lc -lgcc -Ldebian/out -l7z
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+ -lpthread -nostdlib -lc -lgcc -l7z
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build: $(SOURCES)
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- mkdir --parents debian/out
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- ln -s /usr/lib/p7zip/7z.so debian/out/lib7z.so
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- $(CC) $^ -o debian/out/$(NAME).so.0 $(CFLAGS) $(CPPFLAGS) $(LDFLAGS)
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- ln -s $(NAME).so.0 debian/out/$(NAME).so
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+ mkdir --parents $(OUT_DIR)/usr/lib/$(DEB_HOST_MULTIARCH)/android/
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+ mkdir --parents $(OUT_DIR)/usr/include/android/libunwind
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+ $(CC) $^ -o $(OUT_DIR)/usr/lib/$(DEB_HOST_MULTIARCH)/android/$(NAME).so.0 $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -Wno-header-guard -Wno-absolute-value
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+ ln -s $(NAME).so.0 $(OUT_DIR)/usr/lib/$(DEB_HOST_MULTIARCH)/android/$(NAME).so
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+ cp -r include/* debian/include/* $(OUT_DIR)/usr/include/android/libunwind/
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+
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