Init, adding corrade,magnum,magnum-plugins,magnum-integration,magnum-extras, and magnum-examples 2025.47_1

common/build-style/R-cran.sh

@@ -0,0 +1,7 @@
+#
+# This helper is for templates using R-cran.
+#
+do_install() {
+	mkdir -p ${DESTDIR}/usr/lib/R/library
+	( cd .. && R CMD INSTALL -l ${DESTDIR}/usr/lib/R/library ${pkgname#R-cran-} )
+}