solutions to errors occured when compiling kernel linux-2.6.31.14

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本文解决了在编译Linux 2.6.31.14内核时遇到的几个常见错误，包括GCC错误、文件包含错误及成员重复定义等问题，并提供了具体的修改建议。

solutions to errors occured when compiling kernel linux-2.6.31.14

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PROBLEM:-1
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gcc: error: elf_i386: No such file or directory
OBJCOPY arch/x86/vdso/vdso32-int80.so
objcopy: 'arch/x86/vdso/vdso32-int80.so.dbg': No such file
make[2]: *** [arch/x86/vdso/vdso32-int80.so] Error 1
make[1]: *** [arch/x86/vdso] Error 2
make: *** [arch/x86] Error 2
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SOLUTION:
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The problem is that gcc 4.6 doesn't support anymore linker-style architecture options.
Apply the following changes to solve the problem :
In arch/x86/vdso/Makefile :
replace "-m elf_x86_64" by "-m64" on the line starting with VDSO_LDFLAGS_vdso.lds
replace "-m elf_i386" by "-m32" on the line starting with VDSO_LDFLAGS_vdso32.lds
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PROBLEM:-2
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In file included from drivers/net/igbvf/ethtool.c:36:0:
drivers/net/igbvf/igbvf.h: At top level:
drivers/net/igbvf/igbvf.h:129:15: error: duplicate member ‘page’
make[3]: *** [drivers/net/igbvf/ethtool.o] Error 1
make[2]: *** [drivers/net/igbvf] Error 2
make[1]: *** [drivers/net] Error 2
make: *** [drivers] Error 2
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SOLUTION:
---------
struct igbvf_buffer {
dma_addr_t dma;
struct sk_buff *skb;`enter code here`
union {
/* Tx */
struct {
unsigned long time_stamp;
u16 length;
u16 next_to_watch;
u16 mapped_as_page;
};
/* Rx */
struct {
struct page *page; <--------------- No 1
u64 page_dma;
unsigned int page_offset;
};
};
struct page *page; <------------ No 2
};
Hmm conflict of a member with a transparent union.
Maybe older gccs didn't catch that. But it looks very broken
Comment second pointer.
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PROBLEM 3: Similar to Problem-2
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In file included from drivers/scsi/pmcraid.c:57:0:
drivers/scsi/pmcraid.h: At top level:
drivers/scsi/pmcraid.h:601:8: error: duplicate member ‘sense_buffer’
drivers/scsi/pmcraid.c: In function ‘pmcraid_abort_cmd’:
drivers/scsi/pmcraid.c:2940:33: warning: variable ‘res’ set but not used [-Wunused-but-set-variable]
drivers/scsi/pmcraid.c: In function ‘pmcraid_ioctl_passthrough’:
drivers/scsi/pmcraid.c:3745:5: warning: variable ‘access’ set but not used [-Wunused-but-set-variable]
drivers/scsi/pmcraid.c: In function ‘pmcraid_check_ioctl_buffer’:
drivers/scsi/pmcraid.c:4052:6: warning: variable ‘access’ set but not used [-Wunused-but-set-variable]
make[3]: *** [drivers/scsi/pmcraid.o] Error 1
make[2]: *** [drivers/scsi] Error 2
make[1]: *** [drivers] Error 2
make[1]: Leaving directory `/home/ashish/litmus-rt'
make: *** [debian/stamp/build/kernel] Error 2
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SOLUTION:
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Comment drivers/scsi/pmcraid.h:571
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