diff --git a/tools/7z/Makefile b/tools/7z/Makefile
new file mode 100644
index 0000000000..c94d746c64
--- /dev/null
+++ b/tools/7z/Makefile
@@ -0,0 +1,36 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=7z
+PKG_VERSION:=22.00
+PKG_SOURCE_VERSION:=2200
+
+PKG_SOURCE:=$(PKG_NAME)$(PKG_SOURCE_VERSION)-src.tar.xz
+PKG_SOURCE_URL:=https://7-zip.org/a/
+PKG_HASH:=40969f601e86aff49aaa0ba0df5ce6fd397cf7e2683a84b591b0081e461ef675
+
+# This builds the 7zr variant which supports only 7z, so no non-LGPL code should be included
+PKG_LICENSE:=LGPL-2.1-or-later
+PKG_LICENSE_FILES:=DOC/License.txt DOC/copying.txt
+
+HOST_BUILD_DIR:=$(BUILD_DIR_HOST)/$(PKG_NAME)-$(PKG_VERSION)
+
+include $(INCLUDE_DIR)/host-build.mk
+
+TAR_CMD=$(HOST_TAR) -C $(1) $(TAR_OPTIONS)
+
+ALONE_DIR=$(HOST_BUILD_DIR)/CPP/7zip/Bundles/Alone7z
+
+define Host/Compile
+	$(MAKE) -C $(ALONE_DIR) -f makefile.gcc
+endef
+
+define Host/Install
+	$(INSTALL_DIR) $(STAGING_DIR_HOST)/bin
+	$(INSTALL_BIN) $(ALONE_DIR)/_o/7zr $(STAGING_DIR_HOST)/bin/7zr
+endef
+
+define Host/Clean
+	rm -f $(STAGING_DIR_HOST)/bin/7zr
+endef
+
+$(eval $(call HostBuild))
diff --git a/tools/Makefile b/tools/Makefile
index be1a23ed51..0d6e675d4c 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -32,6 +32,7 @@ tools-$(BUILD_TOOLCHAIN) += expat gmp mpc mpfr
 tools-$(CONFIG_TARGET_apm821xx)$(CONFIG_TARGET_gemini) += genext2fs
 tools-$(CONFIG_TARGET_ath79) += lzma-old squashfs
 tools-$(CONFIG_TARGET_mxs) += elftosb sdimage
+tools-$(CONFIG_TARGET_realtek) += 7z
 tools-$(CONFIG_TARGET_tegra) += cbootimage cbootimage-configs
 tools-$(CONFIG_USES_MINOR) += kernel2minor
 tools-$(CONFIG_USE_SPARSE) += sparse