Hello there,
clang has its own copy of some system headers. One of those lacks an
entry that breaks compilation of any program trying to work with
directories the POSIX way:
$ cat tdirent.c
#include <dirent.h>
void foo(void)
{
return;
}
$ clang -c tdirent.c
In file included from tdirent.c:1:
In file included from /usr/include/dirent.h:6:
/usr/include/sys/dirent.h:31:15: error: use of undeclared identifier
'NAME_MAX'
char d_name[NAME_MAX + 1];
^
1 error generated.
The same file compiles just fine with GCC. The problem turns out to be
that NAME_MAX is defined in <limits.h> as seen by GCC, but not in the
same header read by clang. The culprit is this file:
$ cygcheck -f /usr/lib/clang/3.7.1/include/limits.h
libclang3.7-3.7.1-1
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