--- busybox-1.20.0/archival/libarchive/Kbuild.src
+++ busybox-1.20.0-buildsys/archival/libarchive/Kbuild.src
@@ -45,7 +45,7 @@ lib-$(CONFIG_UNXZ)
 lib-$(CONFIG_CPIO)                      += get_header_cpio.o
 lib-$(CONFIG_DPKG)                      += $(DPKG_FILES)
 lib-$(CONFIG_DPKG_DEB)                  += $(DPKG_FILES)
-lib-$(CONFIG_GUNZIP)                    += decompress_gunzip.o
+lib-$(CONFIG_GUNZIP)                    += open_transformer.o decompress_gunzip.o
 lib-$(CONFIG_RPM2CPIO)                  += decompress_gunzip.o get_header_cpio.o
 lib-$(CONFIG_RPM)                       += open_transformer.o decompress_gunzip.o get_header_cpio.o
 lib-$(CONFIG_TAR)                       += get_header_tar.o
@@ -60,7 +60,7 @@ lib-$(CONFIG_FEATURE_SEAMLESS_GZ)
 lib-$(CONFIG_FEATURE_SEAMLESS_BZ2)      += open_transformer.o decompress_bunzip2.o
 lib-$(CONFIG_FEATURE_SEAMLESS_LZMA)     += open_transformer.o decompress_unlzma.o
 lib-$(CONFIG_FEATURE_SEAMLESS_XZ)       += open_transformer.o decompress_unxz.o
-lib-$(CONFIG_FEATURE_COMPRESS_USAGE)    += decompress_bunzip2.o
+lib-$(CONFIG_FEATURE_COMPRESS_USAGE)    += open_transformer.o decompress_bunzip2.o
 lib-$(CONFIG_FEATURE_COMPRESS_BBCONFIG) += decompress_bunzip2.o
 lib-$(CONFIG_FEATURE_TAR_TO_COMMAND)    += data_extract_to_command.o