intel/perf: adapt to platforms like Solaris without d_type in struct dirent

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
[Eric: factor out the is_dir_or_link() check and fix a bug in v1]
Signed-off-by: Eric Engestrom <eric.engestrom@intel.com>
v3: include directory path when lstat'ing files
v4: fix inverted check in enumerate_sysfs_metrics()

Reviewed-by: Eric Engestrom <eric.engestrom@intel.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/2258>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/2258>
diff --git a/meson.build b/meson.build
index 35cd2e6..2cf0ee7 100644
--- a/meson.build
+++ b/meson.build
@@ -1178,6 +1178,11 @@
   endif
 endif
 
+if cc.has_member('struct dirent', 'd_type', prefix: '''#include <sys/types.h>
+   #include <dirent.h>''')
+   pre_args += '-DHAVE_DIRENT_D_TYPE'
+endif
+
 # strtod locale support
 if cc.links('''
     #define _GNU_SOURCE