When I build tar-1.29 for Android in MBP，A error occurred.
make error log:
In file included from fseeko.c:25:0:
stdio-impl.h:66:22: error: field '_ub' has incomplete type
struct __sbuf _ub; /* ungetc buffer */
^
fseeko.c: In function 'fseeko':
fseeko.c:69:10: error: dereferencing pointer to incomplete type
if (fp_->_p == fp_->_bf._base
^
fseeko.c:69:21: error: dereferencing pointer to incomplete type
if (fp_->_p == fp_->_bf._base
^
fseeko.c:70:13: error: dereferencing pointer to incomplete type
&& fp_->_r == 0
^
fseeko.c:71:13: error: dereferencing pointer to incomplete type
&& fp_->_w == ((fp_->_flags & (__SLBF | __SNBF | __SRD)) == 0 /* fully
buffered and not currently reading? */
^
fseeko.c:71:26: error: dereferencing pointer to incomplete type
&& fp_->_w == ((fp_->_flags & (__SLBF | __SNBF | __SRD)) == 0 /* fully
buffered and not currently reading? */
^
fseeko.c:71:38: error: '__SLBF' undeclared (first use in this function)
&& fp_->_w == ((fp_->_flags & (__SLBF | __SNBF | __SRD)) == 0 /* fully
buffered and not currently reading? */
^
fseeko.c:71:38: note: each undeclared identifier is reported only once for each
function it appears in
fseeko.c:71:47: error: '__SNBF' undeclared (first use in this function)
&& fp_->_w == ((fp_->_flags & (__SLBF | __SNBF | __SRD)) == 0 /* fully
buffered and not currently reading? */
^
fseeko.c:71:56: error: '__SRD' undeclared (first use in this function)
&& fp_->_w == ((fp_->_flags & (__SLBF | __SNBF | __SRD)) == 0 /* fully
buffered and not currently reading? */
^
fseeko.c:72:27: error: dereferencing pointer to incomplete type
? fp_->_bf._size
^
In file included from fseeko.c:25:0:
stdio-impl.h:69:42: error: dereferencing pointer to incomplete type
# define fp_ub ((struct __sfileext *) fp->_ext._base)->_ub
^
fseeko.c:74:10: note: in expansion of macro 'fp_ub'
&& fp_ub._base == NULL)
^
fseeko.c:121:14: error: dereferencing pointer to incomplete type
fp_->_flags &= ~__SOFF;
^
fseeko.c:121:27: error: '__SOFF' undeclared (first use in this function)
fp_->_flags &= ~__SOFF;
^
fseeko.c:146:12: error: dereferencing pointer to incomplete type
fp_->_offset = u.f;
^
fseeko.c:149:10: error: dereferencing pointer to incomplete type
fp_->_flags |= __SOFF;
^
fseeko.c:150:10: error: dereferencing pointer to incomplete type
fp_->_flags &= ~__SEOF;
^
fseeko.c:150:23: error: '__SEOF' undeclared (first use in this function)
fp_->_flags &= ~__SEOF;
^
make[4]: *** [fseeko.o] Error 1
make[4]: Leaving directory `/Users/jerry/Downloads/tar-1.29/gnu'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/Users/jerry/Downloads/tar-1.29/gnu'
make[2]: *** [all] Error 2
make[2]: Leaving directory `/Users/jerry/Downloads/tar-1.29/gnu'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/Users/jerry/Downloads/tar-1.29'
make: *** [all] Error 2
What should I do to solve this problem? Can you help me or send me a tutorial？
