David Whitney wrote: > > bcopy_test.c: In function 'main': > bcopy_test.c:9: warning: incompatible implicit declaration of built-in > function 'bcopy' > /tmp/ccivinM5.o: In function `main': > bcopy_test.c:(.text+0x27): undefined reference to `bcopy' > collect2: ld returned 1 exit status > > And yes, I tried the same including "string.h". The error was the same. > > I followed the instructions in the CLFS-Embedded book to build the GCC > compiler. Is there something I am missing? The error you're looking at is a linker error, not a compiler error. The symbol is found in the header. The object apparently compiles fine. I'm not that familiar with uclibc but because it's so modular I bet it's built without bcopy support. (I can only speculate here, I have nothing to test). A quick browse through the source code shows me that bcopy will exist if __UCLIBC_SUSV3_LEGACY__ is defined.
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