判斷當前所用C庫是glibc還是uclibc
阿新 • • 發佈:2021-10-26
1.準備測試程式碼
#include <stdio.h>
int main(void)
{
printf("hello\n");
return 0;
}
2.使用-v
選項,編譯
gcc -v test.c
3.分析輸出
1.檢視標頭檔案目錄中,有沒有uclibc
輸出欄位中
如
#include "..." search starts here: #include <...> search starts here: /home/hany/work/t40/mips-gcc720-glibc226/bin/../lib/gcc/mips-linux-gnu/7.2.0/include /home/hany/work/t40/mips-gcc720-glibc226/bin/../lib/gcc/mips-linux-gnu/7.2.0/include-fixed/uclibc /home/hany/work/t40/mips-gcc720-glibc226/bin/../lib/gcc/mips-linux-gnu/7.2.0/../../../../mips-linux-gnu/include /home/hany/work/t40/mips-gcc720-glibc226/bin/../mips-linux-gnu/libc/uclibc/usr/include End of search list.
2.檢視LIBRARY_PATH
中有沒有uclibc
如
LIBRARY_PATH=/home/hany/work/t40/mips-gcc720-glibc226/bin/../lib/gcc/mips-linux-gnu/7.2.0/uclibc/:/home/hany/work/t40/mips-gcc720-glibc226/bin/../lib/gcc/mips-linux-gnu/7.2.0/../../../../mips-linux-gnu/lib/uclibc/:/home/hany/work/t40/mips-gcc720-glibc226/bin/../lib/gcc/mips-linux-gnu/7.2.0/:/home/hany/work/t40/mips-gcc720-glibc226/bin/../lib/gcc/:/home/hany/work/t40/mips-gcc720-glibc226/bin/../lib/gcc/mips-linux-gnu/7.2.0/../../../../mips-linux-gnu/lib/:/home/hany/work/t40/mips-gcc720-glibc226/bin/../mips-linux-gnu/libc/uclibc/lib/:/home/hany/work/t40/mips-gcc720-glibc226/bin/../mips-linux-gnu/libc/uclibc/usr/lib/