diff --git a/sdk_container/src/third_party/portage-stable/sys-libs/readline/readline-8.1_p2-r1.ebuild b/sdk_container/src/third_party/portage-stable/sys-libs/readline/readline-8.1_p2-r1.ebuild
index 8e926747c3..84edd8c8f7 100644
--- a/sdk_container/src/third_party/portage-stable/sys-libs/readline/readline-8.1_p2-r1.ebuild
+++ b/sdk_container/src/third_party/portage-stable/sys-libs/readline/readline-8.1_p2-r1.ebuild
@@ -141,7 +141,7 @@ src_configure() {
 	# In cases where the C library doesn't support wide characters, readline
 	# itself won't work correctly, so forcing the answer below should be OK.
 	if tc-is-cross-compiler ; then
-		use kernel_Winnt || export bash_cv_func_sigsetjmp='present'
+		export bash_cv_func_sigsetjmp='present'
 		export bash_cv_func_ctype_nonascii='yes'
 		export bash_cv_wcwidth_broken='no' #503312
 	fi
diff --git a/sdk_container/src/third_party/portage-stable/sys-libs/readline/readline-8.2_p1.ebuild b/sdk_container/src/third_party/portage-stable/sys-libs/readline/readline-8.2_p1.ebuild
index 29aa8e80be..bc5e7e6832 100644
--- a/sdk_container/src/third_party/portage-stable/sys-libs/readline/readline-8.2_p1.ebuild
+++ b/sdk_container/src/third_party/portage-stable/sys-libs/readline/readline-8.2_p1.ebuild
@@ -168,7 +168,7 @@ src_configure() {
 	# In cases where the C library doesn't support wide characters, readline
 	# itself won't work correctly, so forcing the answer below should be OK.
 	if tc-is-cross-compiler ; then
-		use kernel_Winnt || export bash_cv_func_sigsetjmp="present"
+		export bash_cv_func_sigsetjmp="present"
 		export bash_cv_func_ctype_nonascii="yes"
 		# bug #503312
 		export bash_cv_wcwidth_broken="no"
diff --git a/sdk_container/src/third_party/portage-stable/sys-libs/readline/readline-9999.ebuild b/sdk_container/src/third_party/portage-stable/sys-libs/readline/readline-9999.ebuild
index 29aa8e80be..bc5e7e6832 100644
--- a/sdk_container/src/third_party/portage-stable/sys-libs/readline/readline-9999.ebuild
+++ b/sdk_container/src/third_party/portage-stable/sys-libs/readline/readline-9999.ebuild
@@ -168,7 +168,7 @@ src_configure() {
 	# In cases where the C library doesn't support wide characters, readline
 	# itself won't work correctly, so forcing the answer below should be OK.
 	if tc-is-cross-compiler ; then
-		use kernel_Winnt || export bash_cv_func_sigsetjmp="present"
+		export bash_cv_func_sigsetjmp="present"
 		export bash_cv_func_ctype_nonascii="yes"
 		# bug #503312
 		export bash_cv_wcwidth_broken="no"