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(1)cygwin 2009：集成gcc-4.3.2，rxvt，非常适合一般的编程开发，集成iso仅58M
(2)i686-elf的cygwin toolchain，工具链版本：gcc-4.3.2, binutils-2.19, glibc-2.7，测试正常工作
以此工具链编译最新的linux内核2.6.28工作正常，kernel打一些补丁：
cd linux-2.6.28
sed -i 's/R_386_32/1/' ./scripts/mod/modpost.c
sed -i 's/R_386_PC32/2/' ./scripts/mod/modpost.c
sed -i 's/R_ARM_ABS32/2/' ./scripts/mod/modpost.c
sed -i 's/R_ARM_PC24/1/' ./scripts/mod/modpost.c
sed -i 's/R_MIPS_HI16/5/' ./scripts/mod/modpost.c
sed -i 's/R_MIPS_LO16/6/' ./scripts/mod/modpost.c
sed -i 's/R_MIPS_26/4/' ./scripts/mod/modpost.c
sed -i 's/R_MIPS_32/2/' ./scripts/mod/modpost.c
sed -i 's/STT_COMMON/5/g' ./arch/x86/boot/compressed/relocs.c
sed -i 's/STV_DEFAULT/0/g' ./arch/x86/boot/compressed/relocs.c
sed -i 's/STV_INTERNAL/1/g' ./arch/x86/boot/compressed/relocs.c
sed -i 's/STV_HIDDEN/2/g' ./arch/x86/boot/compressed/relocs.c
sed -i 's/STV_PROTECTED/3/g' ./arch/x86/boot/compressed/relocs.c
sed -i 's/R_386_NONE/0/g' ./arch/x86/boot/compressed/relocs.c
sed -i 's/R_386_32/1/g' ./arch/x86/boot/compressed/relocs.c
sed -i 's/R_386_PC32/2/g' ./arch/x86/boot/compressed/relocs.c
sed -i 's/R_386_GOT32/3/g' ./arch/x86/boot/compressed/relocs.c
sed -i 's/R_386_PLT32/4/g' ./arch/x86/boot/compressed/relocs.c
sed -i 's/R_386_COPY/5/g' ./arch/x86/boot/compressed/relocs.c
sed -i 's/R_386_GLOB_DAT/6/g' ./arch/x86/boot/compressed/relocs.c
sed -i 's/R_386_JMP_SLOT/7/g' ./arch/x86/boot/compressed/relocs.c
sed -i 's/R_386_RELATIVE/8/g' ./arch/x86/boot/compressed/relocs.c
sed -i 's/R_386_GOTOFF/9/g' ./arch/x86/boot/compressed/relocs.c
sed -i 's/R_386_GOTPC/10/g' ./arch/x86/boot/compressed/relocs.c
sed -i 's/R_386_NUM/11/g' ./arch/x86/boot/compressed/relocs.c
sed -i 's/ELF32_ST_VISIBILITY(sym->st_other)/sym->st_other \& 0x03/g' ./arch/x86/boot/compressed/relocs.c
sed -i 's/else rm -f $(@D)\/.tmp_$(@F); exit 1;/else mv -f $(@D)\/.tmp_$(@F) $@;/' ./arch/x86/vdso/Makefile
menuconfig中把netfilter去掉，里面有一些文件名一样（大小写不一样），ipv6也去掉，编译的elf文件正常。
上海漕河泾
2009.01.06
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