Linux核心編譯錯誤： make: *** [.tmp_vmlinux1] Error 1

若編譯核心出現如下情況：

WARNING: modpost: Found 1 section mismatch(es).

To see full details build your kernel with:

'make CONFIG_DEBUG_SECTION_MISMATCH=y'

GEN     .version

CHK     include/linux/compile.h

UPD     include/linux/compile.h

CC      init/version.o

LD      init/built-in.o

LD      .tmp_vmlinux1

init/built-in.o: In function `do_one_initcall':

/root/案頭/linux-2.6.30.4/init/main.c:706: undefined reference to `__gnu_mcount_nc'

init/built-in.o: In function `init_post':

/root/案頭/linux-2.6.30.4/init/main.c:804: undefined reference to `__gnu_mcount_nc'

init/built-in.o: In function `name_to_dev_t':

/root/案頭/linux-2.6.30.4/init/do_mounts.c:78: undefined reference to `__gnu_mcount_nc'

init/built-in.o: In function `rest_init':

/root/案頭/linux-2.6.30.4/init/main.c:453: undefined reference to `__gnu_mcount_nc'

init/built-in.o: In function `calibrate_delay':

/root/案頭/linux-2.6.30.4/init/calibrate.c:123: undefined reference to `__gnu_mcount_nc'

arch/arm/kernel/built-in.o:/root/案頭/linux-2.6.30.4/arch/arm/kernel/elf.c:8: more undefined references to `__gnu_mcount_nc' follow

make: *** [.tmp_vmlinux1] 錯誤 1

root@czu:~/案頭/linux-2.6.30.4#

解決方案：

需要補丁__gnu_mcount_nc_patch.patch.gz

下載之後放在linux根目錄下，並解壓得到：__gnu_mcount_nc_patch.patch 檔案。

然後，在終端進入linux根目錄，執行以下語句進行打包：zcat __gnu_mcount_nc_patch.patch | patch p1

(注意：“__”為兩個底線連在一起，“p1”後面的是阿拉伯數字1，還要注意空格)

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