--- file_not_specified_in_diff	
+++ file_not_specified_in_diff	
@@ -, +, @@ 
--- a/sys-libs/ncurses/ncurses-6.3.ebuild
+++ b/sys-libs/ncurses/ncurses-6.3.ebuild
@@ -23,7 +23,7 @@ 
 # The subslot reflects the SONAME.
 SLOT="0/6"
 KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
-IUSE="ada +cxx debug doc gpm minimal profile static-libs test tinfo trace"
+IUSE="ada +cxx debug doc gpm minimal profile static-libs test +threads tinfo trace"
 RESTRICT="!test? ( test )"
 
 DEPEND="gpm? ( sys-libs/gpm[${MULTILIB_USEDEP}] )"
@@ -66,8 +66,8 @@ 
 	NCURSES_TARGETS=(
 		ncurses
 		ncursesw
-		ncursest
-		ncursestw
+		$(usex threads 'ncursest' '')
+		$(usex threads 'ncursestw' '')
 	)
 
 	# When installing ncurses, we have to use a compatible version of tic.