PR merged https://github.com/uim/uim/pull/274.patch
Missing condition
--- a/uim/Makefile.am
+++ b/uim/Makefile.am
@@ -202,11 +202,13 @@ libuim_osx_dcs_la_OBJCFLAGS = -x objective-c
 libuim_osx_dcs_la_LDFLAGS = -avoid-version -module -framework Cocoa
 endif
 
+if SKK
 uim_plugin_LTLIBRARIES += libuim-skk.la
 libuim_skk_la_SOURCES = skk.c bsdlook.h
 libuim_skk_la_LIBADD = libuim-scm.la libuim.la libuim-bsdlook.la @NETLIBS@
 libuim_skk_la_LDFLAGS = -rpath $(uim_plugindir) -avoid-version -module
 libuim_skk_la_CPPFLAGS = $(AM_CPPFLAGS)
+endif
 
 uim_plugin_LTLIBRARIES += libuim-look.la
 libuim_look_la_SOURCES = look.c bsdlook.h