-AC_CACHE_CHECK(for utime.h, tar_cv_header_utime_h,
- [AC_TRY_COMPILE([
-#include <sys/types.h>
-#include <utime.h>], [struct utimbuf foo],
- tar_cv_header_utime_h=yes, tar_cv_header_utime_h=no)])
-test $tar_cv_header_utime_h = yes && AC_DEFINE(HAVE_UTIME_H)
-
-if test $ac_cv_header_sys_mtio_h = yes; then
- AC_CACHE_CHECK(for remote tape header files, tar_cv_header_rmt,
- [AC_TRY_CPP([
-#if HAVE_SGTTY_H
-# include <sgtty.h>
-#endif
-#include <sys/socket.h>],
- tar_cv_header_rmt=yes, tar_cv_header_rmt=no)])
- test $tar_cv_header_rmt = yes && RMT=rmt
- AC_SUBST(RMT)
-fi
-
-AC_CACHE_CHECK(for getgrgid declaration, tar_cv_header_getgrgid,
- [AC_EGREP_HEADER(getgrgid, grp.h,
- tar_cv_header_getgrgid=yes, tar_cv_header_getgrgid=no)])
-test $tar_cv_header_getgrgid = yes && AC_DEFINE(HAVE_GETGRGID)
-
-AC_CACHE_CHECK(for getpwuid declaration, tar_cv_header_getpwuid,
- [AC_EGREP_HEADER(getpwuid, pwd.h,
- tar_cv_header_getpwuid=yes, tar_cv_header_getpwuid=no)])
-test $tar_cv_header_getpwuid = yes && AC_DEFINE(HAVE_GETPWUID)
-
-AC_CACHE_CHECK(which ioctl field to test for reversed bytes,
- tar_cv_header_mtio_check_field,
- [AC_EGREP_HEADER(mt_model, sys/mtio.h,
- tar_cv_header_mtio_check_field=mt_model,
- tar_cv_header_mtio_check_field=mt_type)])
-AC_DEFINE_UNQUOTED(MTIO_CHECK_FIELD, $tar_cv_header_mtio_check_field)