--- a/lib/commands/toolcontext.c
+++ b/lib/commands/toolcontext.c
@@ -1869,7 +1869,7 @@ struct cmd_context *create_toolcontext(u
	/* FIXME Make this configurable? */
	reset_lvm_errno(1);

-#ifndef VALGRIND_POOL
+#if defined(__GLIBC__) && !defined(VALGRIND_POOL)
	/* Set in/out stream buffering before glibc */
	if (set_buffering) {
		/* Allocate 2 buffers */
@@ -2249,7 +2249,7 @@ void destroy_toolcontext(struct cmd_cont
	if (cmd->libmem)
		dm_pool_destroy(cmd->libmem);

-#ifndef VALGRIND_POOL
+#if defined(__GLIBC__) && !defined(VALGRIND_POOL)
	if (cmd->linebuffer) {
		/* Reset stream buffering to defaults */
		if (is_valid_fd(STDIN_FILENO) &&
--- a/tools/lvmcmdline.c
+++ b/tools/lvmcmdline.c
@@ -3074,6 +3074,7 @@ 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) &&
@@ -3100,6 +3101,12 @@ 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;
 }