In this case we can unconditionally copy files.
Reported-by: Michał Górny
Bug: https://bugs.gentoo.org/655444
Package-Manager: Portage-2.3.36, Repoman-2.3.9
--- /dev/null
+Avoid 'cp -u' as it's not portable.
+
+In this case we can unconditionally copy files.
+
+Reported-by: Michał Górny
+Bug: https://bugs.gentoo.org/655444
+diff --git a/doc/Makefile.in b/doc/Makefile.in
+index 261a791..bc9da1e 100644
+--- a/doc/Makefile.in
++++ b/doc/Makefile.in
+@@ -28,3 +28,3 @@ RM_RF = rm -rf
+ CP_F = cp -f
+-CP_UF = cp -ufv
++CP_UF = cp -fv
+
PATCHES=(
"${FILESDIR}"/${PN}-2.13.01-fix-docdir.patch
"${FILESDIR}"/${PN}-2.13.01-gcc-8.patch
+ "${FILESDIR}"/${PN}-2.13.03-bsd-cp-doc.patch
)
src_configure() {