From d4fdeab4db0d0e699c8fbbb07f12c4e1f64d0f94 Mon Sep 17 00:00:00 2001
From: Lorry Tar Creator <lorry-tar-importer@lorry>
Date: Mon, 16 May 2016 09:22:21 +0000
Subject: tar-1.29

---
 m4/rmt.m4 | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 m4/rmt.m4

(limited to 'm4/rmt.m4')

diff --git a/m4/rmt.m4 b/m4/rmt.m4
new file mode 100644
index 0000000..eaeff95
--- /dev/null
+++ b/m4/rmt.m4
@@ -0,0 +1,72 @@
+
+AC_DEFUN([PU_RMT],[
+  # Set LIB_SETSOCKOPT to -lnsl -lsocket if necessary.
+  pu_save_LIBS=$LIBS
+  LIB_SETSOCKOPT=
+  AC_SEARCH_LIBS(setsockopt, [socket], ,
+    [AC_SEARCH_LIBS(setsockopt, [socket], , , [-lnsl])])
+  AC_SEARCH_LIBS(setsockopt, [nsl])
+
+  case "$ac_cv_search_setsockopt" in
+    -l*) LIB_SETSOCKOPT=$ac_cv_search_setsockopt
+  esac
+  AC_SUBST(LIB_SETSOCKOPT)
+  LIBS=$pu_save_LIBS
+
+  enable_rmt() {
+    if test $ac_cv_header_sys_mtio_h = yes; then
+      AC_CACHE_CHECK(for remote tape header files, pu_cv_header_rmt,
+        [AC_TRY_CPP([
+#if HAVE_SGTTY_H
+# include <sgtty.h>
+#endif
+#include <sys/socket.h>],
+      pu_cv_header_rmt=yes,
+      pu_cv_header_rmt=no)])
+      test $pu_cv_header_rmt = yes && PU_RMT_PROG='rmt$(EXEEXT)'
+      AC_SUBST(PU_RMT_PROG)
+    fi
+  }
+
+  AC_CHECK_HEADERS([sys/mtio.h])
+  AC_CACHE_CHECK(which ioctl field to test for reversed bytes,
+    pu_cv_header_mtio_check_field,
+    [AC_EGREP_HEADER(mt_model, sys/mtio.h,
+     pu_cv_header_mtio_check_field=mt_model,
+     pu_cv_header_mtio_check_field=mt_type)])
+  AC_DEFINE_UNQUOTED(MTIO_CHECK_FIELD,
+                     $pu_cv_header_mtio_check_field,
+                     [Define to mt_model (v.g., for DG/UX), else to mt_type.])
+
+
+  AC_ARG_VAR([DEFAULT_RMT_DIR],
+             [Define full file name of the directory where to install `rmt'. (default: $(libexecdir))])
+  if test "x$DEFAULT_RMT_DIR" != x; then
+	DEFAULT_RMT_COMMAND=$DEFAULT_RMT_DIR/rmt
+  else
+	DEFAULT_RMT_DIR='$(libexecdir)'
+  fi
+
+  AC_MSG_CHECKING([whether to build rmt])
+  AC_ARG_WITH([rmt],
+              AC_HELP_STRING([--with-rmt=FILE],
+                             [Use FILE as the default `rmt' program. Do not build included copy of `rmt'.]),
+              [case $withval in
+	       yes|no) AC_MSG_ERROR([Invalid argument to --with-rmt]);;
+	       /*)     DEFAULT_RMT_COMMAND=$withval
+	               AC_MSG_RESULT([no, use $withval instead]);;
+	       *)      AC_MSG_ERROR([Argument to --with-rmt must be an absolute file name]);;
+               esac],
+               [AC_MSG_RESULT([yes])
+                enable_rmt
+                if test "$PU_RMT_PROG" = ""; then
+                  AC_MSG_WARN([not building rmt, required header files are missing])
+                fi])
+
+  AC_SUBST(DEFAULT_RMT_COMMAND)
+  if test "x$DEFAULT_RMT_COMMAND" != x; then
+    AC_DEFINE_UNQUOTED(DEFAULT_RMT_COMMAND, "$DEFAULT_RMT_COMMAND",
+                       [Define full file name of rmt program.])
+  fi
+  AM_CONDITIONAL([PU_RMT_COND],[test "$pu_cv_header_rmt" = yes])
+])
-- 
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