linux 核心編譯錯誤總結

 linux 核心編譯錯誤總結

1. include/linux/time.h:174: undefined reference to `__aeabi_uldivmod'此問題是由於arm-2008q3的Gcc 4.3版，進行了代碼最佳化導致。 

- - - include / linux/ time . h 2008- 10- 09 19: 47: 23. 000000000 + 0200 + + + include / linux/ time . h. new 2008- 10- 09 19: 47: 54. 000000000 + 0200 @@ - 173, 6 + 173, 10 @@  {         ns + = a- > tv_nsec;         while ( unlikely( ns > = NSEC_PER_SEC) ) { + /* The following asm() prevents the compiler from + * optimising this loop into a modulo operation. */ + asm ( "" : "+r" ( ns) ) ; +                 ns - = NSEC_PER_SEC;                 a- > tv_sec+ + ;         }

 

2.