[build] better autoconf checks for time and dirent headers

src/bench.c

@@ -1,9 +1,20 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+ 
+#ifdef TIME_WITH_SYS_TIME
 #include <sys/time.h>
+#include <time.h>
+#else
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#else
+#include <time.h>
+#endif
+#endif
 
 #include "libpostal.h"
+#include "libpostal_config.h"
 #include "log/log.h"
 #include "scanner.h"
 

src/file_utils.h

@@ -1,15 +1,38 @@
 #ifndef FILE_UTILS_H
 #define FILE_UTILS_H
 
-
- 
-
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>
 #include <dirent.h>
 #include <string.h>
 #include <stdbool.h>
+#include <sys/types.h>
+
+#include "libpostal_config.h"
+
+#ifdef HAVE_DIRENT_H
+#include <dirent.h>
+#define NAMLEN(dirent) strlen((dirent)->d_name)
+
+#else
+
+#define dirent direct
+#define NAMLEN(dirent) ((dirent)->d_namlen)
+
+#ifdef HAVE_SYS_NDIR_H
+#include <sys/ndir.h>
+#endif
+
+#ifdef HAVE_SYS_DIR_H
+#include <sys/dir.h>
+#endif
+
+#ifdef HAVE_NDIR_H
+#include <ndir.h>
+#endif
+
+#endif
 
 #ifndef BUFSIZ
 #define BUFSIZ 4096
@@ -51,7 +74,4 @@ bool file_write_uint8(FILE *file, uint8_t value);
 bool file_read_chars(FILE *file, char *buf, size_t len);
 bool file_write_chars(FILE *file, const char *buf, size_t len);
 
-
- 
-
 #endif