+else
+ AC_CHECK_LIB(bz2,BZ2_bzCompressInit)
+ if test "$ac_cv_lib_bz2_BZ2_bzCompressInit" = "yes"; then
+ AC_CHECK_HEADERS(bzlib.h)
+ fi
+fi
+dnl ------- 64 bit files
+AC_MSG_CHECKING(for LFS)
+AC_TRY_RUN([#define _FILE_OFFSET_BITS 64
+#include <sys/types.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <errno.h>
+int main(int argc, char **argv)
+{
+ off_t o;
+ char tmp_str[32];
+ int fd;
+ struct flock area;
+ if (sizeof(off_t) != 8)
+ exit (1);
+ o = 2000000000;
+ sprintf (tmp_str, "%Ld", o+o+o);
+ if (strcmp (tmp_str, "6000000000"))
+ exit (1);
+ fd = creat ("config.tmp", 0644);
+ if (fd < 0)
+ exit (1);
+ area.l_type = F_WRLCK;
+ area.l_whence = SEEK_SET;
+ area.l_len = area.l_start = 0L;
+ if (fcntl(fd, F_SETLKW, &area))
+ exit (1);
+ close (fd);
+ unlink ("config.tmp");
+ exit (0);
+}
+],bits=64,bits=32,bits=32)
+if test "$bits" = "64"; then
+ AC_DEFINE(_FILE_OFFSET_BITS,64)
+ AC_MSG_RESULT(yes)
+else
+ AC_MSG_RESULT(no)