1 files changed, 7 insertions, 1 deletions

diff --git a/archival/libunarchive/Kbuild b/archival/libunarchive/Kbuild
index 4e1454184..010043c4c 100644
--- a/archival/libunarchive/Kbuild
+++ b/archival/libunarchive/Kbuild
@@ -26,7 +26,6 @@ lib-y:= \
 \
         data_align.o \
         find_list_entry.o \
-        open_transformer.o \
         init_handle.o
 
 GUNZIP_FILES:= check_header_gzip.o decompress_unzip.o
@@ -36,6 +35,13 @@ DPKG_FILES:= \
         get_header_tar.o \
         filter_accept_list_reassign.o
 
+# open_transformer uses fork. Compile it only if absolutely necessary
+lib-$(CONFIG_RPM)                       += open_transformer.o
+lib-$(CONFIG_FEATURE_TAR_BZIP2)         += open_transformer.o
+lib-$(CONFIG_FEATURE_TAR_LZMA)          += open_transformer.o
+lib-$(CONFIG_FEATURE_TAR_GZIP)          += open_transformer.o
+lib-$(CONFIG_FEATURE_TAR_COMPRESS)      += open_transformer.o
+
 lib-$(CONFIG_AR)                        += get_header_ar.o unpack_ar_archive.o
 lib-$(CONFIG_BUNZIP2)                   += decompress_bunzip2.o
 lib-$(CONFIG_UNLZMA)                    += decompress_unlzma.o