--- a/lib/commands/toolcontext.c
+++ b/lib/commands/toolcontext.c
@@ -1669,6 +1669,7 @@ struct cmd_context *create_toolcontext(u
 	/* FIXME Make this configurable? */
 	reset_lvm_errno(1);
 
+#ifdef __GLIBC__
 	/* Set in/out stream buffering before glibc */
 	if (set_buffering
 	    && !cmd->running_on_valgrind /* Skipping within valgrind execution. */
@@ -1713,6 +1714,7 @@ struct cmd_context *create_toolcontext(u
 	} else if (!set_buffering)
 		/* Without buffering, must not use stdin/stdout */
 		init_silent(1);
+#endif
 
 	/*
 	 * Environment variable LVM_SYSTEM_DIR overrides this below.
@@ -2047,6 +2049,7 @@ void destroy_toolcontext(struct cmd_cont
 	if (cmd->cft_def_hash)
 		dm_hash_destroy(cmd->cft_def_hash);
 
+#ifdef __GLIBC__
 	if (!cmd->running_on_valgrind && cmd->linebuffer) {
 		int flags;
 		/* Reset stream buffering to defaults */
@@ -2070,6 +2073,7 @@ void destroy_toolcontext(struct cmd_cont
 
 		free(cmd->linebuffer);
 	}
+#endif
 
 	destroy_config_context(cmd);
 
--- a/tools/lvmcmdline.c
+++ b/tools/lvmcmdline.c
@@ -3386,6 +3386,7 @@ int lvm_split(char *str, int *argc, char
 /* Make sure we have always valid filedescriptors 0,1,2 */
 static int _check_standard_fds(void)
 {
+#ifdef __GLIBC__
 	int err = is_valid_fd(STDERR_FILENO);
 
 	if (!is_valid_fd(STDIN_FILENO) &&
@@ -3412,6 +3413,12 @@ static int _check_standard_fds(void)
 		       strerror(errno));
 		return 0;
 	}
+#else
+	if (!is_valid_fd(STDERR_FILENO) ||
+	    !is_valid_fd(STDOUT_FILENO) ||
+	    !is_valid_fd(STDIN_FILENO))
+		return 0;
+#endif
 
 	return 1;
 }