R-3.4.1-parallel.patch

--- a/src/include/Makefile.in	2017-07-05 23:09:09.682703655 +0000
+++ b/src/include/Makefile.in	2017-07-05 23:06:56.533612308 +0000
@@ -81,7 +81,7 @@
 Rmath.h0: $(srcdir)/Rmath.h0.in $(top_builddir)/config.status
 	@cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@
 
-install: installdirs install-intl-@USE_INCLUDED_LIBINTL@
+install: $(OBJ_HEADERS) installdirs install-intl-@USE_INCLUDED_LIBINTL@
 	@for d in $(SUBDIRS); do \
 	  (cd $${d} && $(MAKE) $@) || exit 1; \
 	done