42 lines
1.5 KiB
Makefile
42 lines
1.5 KiB
Makefile
#!/usr/bin/env make
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###############################################################################
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#
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# Create By Lane 2024/1/29
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#
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###############################################################################
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# $(call _rt_file,<libc>)
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_rt_file = $(shell $(CONFIG_XMEDIA_USR_ARM_TOOLCHAINS)-gcc \
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$(SDK_USR_CFLAGS) -print-file-name=$(1))
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# $(call rt_file,<libc1, libc2, ...>)
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rt_file = $(foreach lib,$(1),$(shell if [ -f "$(call _rt_file,$(lib))" ]; \
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then ( echo "$(call _rt_file,$(lib))"; ) else ( echo ""; ) fi ))
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# $(call rt_notdir,<libc1, libc2, ...>)
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rt_notdir = $(if $(strip $(call rt_file,$(1))),\
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$(notdir $(call rt_file,$(1))),\
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$(info *** $(CONFIG_XMEDIA_ARM_TOOLCHAINS_NAME)-gcc $(SDK_USR_CFLAGS)) \
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$(error not found $(1), please check compiler and cflags))
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# libc.so
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# RT-LIBS = $(call rt_notdir,libc.so) //拷贝c库会增加initrd的大小，toybox采用静态链接, 不需要动态c库，
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# 根据实际业务app需求来确定是否拷贝动态c库。
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initrd_unstrip: $(INITRD_PREFIX)/init \
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$(addprefix $(INITRD_PREFIX)/lib/,$(RT-LIBS))
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$(INITRD_PREFIX)/init:
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$(call mkdir,$(@D))
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tar xzf $(INITRD_SRCDIR)/scripts/initramdisk.tgz -C $(INITRD_PREFIX)/..
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touch $@
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# To compatible with old dynamic lib linked with uClibc, create a link ld-uClibc.so.0.
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$(INITRD_PREFIX)/lib/libc.so:
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@$(call mkdir,$(@D))
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DIR=$(dir $(call rt_file,$(@F))); \
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cp -avf $${DIR}/*.so $(@D)
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cd $(@D);ln -s $(notdir $@) ld-musl-arm.so.1;chmod +x $@;cd -
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cd $(@D);ln -s $(notdir $@) ld-uClibc.so.0;chmod +x $@;cd -
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