Problem when building arm-rtems

[ray]

Newlib version and rtems do not match.
refer to the mail-list http://www.rtems.com/ml/rtems-users/2007/april/msg00118.html for resolution.
Good luck!


------------------
Thanks & Best Regards!
ray
2007-06-04

-------------------------------------------------------------
From: xi yang
Date: 2007-06-03 21:15:35
To:   RTEMS Users
CC:
Sub:  Problem when building arm-rtems

>>I used arm-rtems-gcc 3.4.0 binutils-2.17 newlib-1.15.0 to build
>rtems-4.7.99.1 . ../rtems-4.7.99.1/configure --target=arm-rtems
>--prefix=/opt/rtems .
>
>Then it reported usleep function in cpukit/posix/src/usleep.c and
>readlink function in cpukit/libcsupport/src/readlink.c had conflict
>with /opt/rtems/arm-rtems/include/sys/unistd.h
>
>usleep.c the definition is
> unsigned usleep(
>             unsigned int useconds
>)
>{}
>but in unistd.h is
> int _EXFUN(usleep,(useconds_t __useconds));
>So i changed the definition of usleep to
>  int usleep(useconds_t useconds){}
>
>
>The same problem with readlink.
> int readlink(
>            const char *pathname,
>            char *buf,
>            int bufsize
>)
>but in unistd.h the declaration is
> ssize_t _EXFUN(readlink,(const char *__path,char *__buf,size_t __buflen);
>So i changed the definition of readlink to
>  ssize_t readlink(
>                const char *pathname,
>                char *buf,
>                size_t bufsize){}
>After changed i can build it successfully.
>
>Why the definitions conflict with the declarations?Is the problem with
>rtems or the newlib i used?
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>