Don't build ttyemu and run tty I/O test if grantpt is not available.

[chaz/tar] / configure.ac

diff --git a/configure.ac b/configure.ac
index deeca31c3cda903c84b7d4fcc08822b315fec30c..d06e540fa77b6fb734fc055bc63f3308b81ffc17 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -32,6 +32,7 @@ AC_EXEEXT
 AC_PROG_RANLIB
 AC_PROG_YACC
 gl_EARLY
+AC_CHECK_TOOLS([AR], [ar])
 
 AC_SYS_LARGEFILE
 AC_C_INLINE
@@ -73,7 +74,8 @@ AC_ARG_WITH([posix-acls],
 if test "x$with_posix_acls" != "xno"; then
   AC_CHECK_HEADERS(sys/acl.h,, [with_posix_acls=no])
   for tar_acl_func in acl_get_file acl_get_fd acl_set_file acl_set_fd \
-                     acl_to_text acl_from_text; do \
+                     acl_to_text acl_from_text acl_delete_def_file \
+                     acl_free; do \
     test "x$with_posix_acls" = xno && break
     AC_SEARCH_LIBS([$tar_acl_func], [acl pacl], [], [with_posix_acls=no])
   done
@@ -202,7 +204,8 @@ fi
 
 TAR_HEADERS_ATTR_XATTR_H
 
-AC_CHECK_FUNCS_ONCE([fchmod fchown fsync lstat mkfifo readlink symlink])
+AC_CHECK_FUNCS_ONCE([fchmod fchown fsync lstat mkfifo readlink symlink grantpt])
+AM_CONDITIONAL([TAR_COND_GRANTPT], [test $ac_cv_func_grantpt = yes])
 
 AC_CHECK_DECLS([getgrgid],,, [#include <grp.h>])
 AC_CHECK_DECLS([getpwuid],,, [#include <pwd.h>])