diff --git a/base/glibc-compatibility/musl/copy_file_range.c b/base/glibc-compatibility/musl/copy_file_range.c
new file mode 100644
index 00000000000..dd4b1333362
--- /dev/null
+++ b/base/glibc-compatibility/musl/copy_file_range.c
@@ -0,0 +1,8 @@
+#define _GNU_SOURCE
+#include <unistd.h>
+#include "syscall.h"
+
+ssize_t copy_file_range(int fd_in, off_t *off_in, int fd_out, off_t *off_out, size_t len, unsigned flags)
+{
+	return syscall(SYS_copy_file_range, fd_in, off_in, fd_out, off_out, len, flags);
+}
diff --git a/base/glibc-compatibility/musl/fstatat.c b/base/glibc-compatibility/musl/fstatat.c
new file mode 100644
index 00000000000..39221bd1575
--- /dev/null
+++ b/base/glibc-compatibility/musl/fstatat.c
@@ -0,0 +1,29 @@
+#define _BSD_SOURCE
+#include <sys/stat.h>
+#include <stdint.h>
+#include "syscall.h"
+
+struct statx {
+	uint32_t stx_mask;
+	uint32_t stx_blksize;
+	uint64_t stx_attributes;
+	uint32_t stx_nlink;
+	uint32_t stx_uid;
+	uint32_t stx_gid;
+	uint16_t stx_mode;
+	uint16_t pad1;
+	uint64_t stx_ino;
+	uint64_t stx_size;
+	uint64_t stx_blocks;
+	uint64_t stx_attributes_mask;
+	struct {
+		int64_t tv_sec;
+		uint32_t tv_nsec;
+		int32_t pad;
+	} stx_atime, stx_btime, stx_ctime, stx_mtime;
+	uint32_t stx_rdev_major;
+	uint32_t stx_rdev_minor;
+	uint32_t stx_dev_major;
+	uint32_t stx_dev_minor;
+	uint64_t spare[14];
+};
diff --git a/base/glibc-compatibility/musl/posix_spawnp.c b/base/glibc-compatibility/musl/posix_spawnp.c
new file mode 100644
index 00000000000..15762b95979
--- /dev/null
+++ b/base/glibc-compatibility/musl/posix_spawnp.c
@@ -0,0 +1,14 @@
+#include "spawn.h"
+#include <features.h>
+#include <unistd.h>
+
+int posix_spawnp(pid_t *restrict res, const char *restrict file,
+	const posix_spawn_file_actions_t *fa,
+	const posix_spawnattr_t *restrict attr,
+	char *const argv[restrict], char *const envp[restrict])
+{
+	posix_spawnattr_t spawnp_attr = { 0 };
+	if (attr) spawnp_attr = *attr;
+	spawnp_attr.__fn = (void *)execvpe;	
+	return posix_spawn(res, file, fa, &spawnp_attr, argv, envp);
+}
diff --git a/base/glibc-compatibility/musl/spawn.h b/base/glibc-compatibility/musl/spawn.h
new file mode 100644
index 00000000000..d7ed44acb8b
--- /dev/null
+++ b/base/glibc-compatibility/musl/spawn.h
@@ -0,0 +1,19 @@
+#include <features.h>
+#include <signal.h> 
+#include <unistd.h>
+
+
+typedef struct {
+	int __flags;
+	pid_t __pgrp;
+	sigset_t __def, __mask;
+	int __prio, __pol;
+	void *__fn;
+	char __pad[64-sizeof(void *)];
+} posix_spawnattr_t;
+
+typedef struct {
+	int __pad0[2];
+	void *__actions;
+	int __pad[16];
+} posix_spawn_file_actions_t;
diff --git a/base/glibc-compatibility/musl/splice.c b/base/glibc-compatibility/musl/splice.c
new file mode 100644
index 00000000000..4b3f06ec2f5
--- /dev/null
+++ b/base/glibc-compatibility/musl/splice.c
@@ -0,0 +1,8 @@
+#define _GNU_SOURCE
+#include <fcntl.h>
+#include "syscall.h"
+
+long splice(int fd_in, off_t *off_in, int fd_out, off_t *off_out, size_t len, unsigned flags)
+{
+	return syscall(SYS_splice, fd_in, off_in, fd_out, off_out, len, flags);
+}
diff --git a/contrib/BLAKE3/build_rust_lib.cmake b/contrib/BLAKE3/build_rust_lib.cmake
index 5d00ba52928..66feba85d45 100755
--- a/contrib/BLAKE3/build_rust_lib.cmake
+++ b/contrib/BLAKE3/build_rust_lib.cmake
@@ -74,7 +74,7 @@ function(build_cargo target_name project_dir)
         COMMENT ${compile_message}
         COMMAND export BUILD_FOR_OSX=${OSX_RUST_ROOT}
         COMMAND env CARGO_TARGET_DIR=${CMAKE_CURRENT_BINARY_DIR} cargo rustc -v ${CARGO_RELEASE_FLAG} ${TARGET_SPEC_FLAG}
-        COMMAND if [ ${TARGET_CP} = 0 ]\; then cp ${output_library} ${CMAKE_CURRENT_BINARY_DIR}\; else cp ./libblake_test/* ${CMAKE_CURRENT_BINARY_DIR}/${TARGET_SPEC}/${TARGET_DIR}\; fi
+        #COMMAND if [ ${TARGET_CP} = 0 ]\; then cp ${output_library} ${CMAKE_CURRENT_BINARY_DIR}\; else cp ./libblake_test/* ${CMAKE_CURRENT_BINARY_DIR}/${TARGET_SPEC}/${TARGET_DIR}\; fi
         OUTPUT ${output_library}
         WORKING_DIRECTORY ${project_dir})