gentoo-overlay/dev-lang/R/files/R-3.4.1-rmath-shared.patch

--- a/src/nmath/standalone/Makefile.in	2017-07-05 23:20:26.098087600 +0000
+++ b/src/nmath/standalone/Makefile.in	2017-07-05 23:21:55.087480310 +0000
@@ -64,7 +64,8 @@
 Rexeclibdir_LTLIBRARIES = $(libRmath_la)
 libRmath_la_SOURCES = $(SOURCES)
 libRmath_la_OBJECTS = $(OBJECTS:.o=.lo)
-libRmath_la_LDFLAGS =
+libRmath_la_LDFLAGS = -Wl,-soname=libRmath.so
+libRmath_la_LIBADD = $(LIBM)
 
 CLEANFILES = Makedeps *.d *.o *.lo test check.log $(SOURCES)
 DISTCLEANFILES = Makefile $(Rexeclibdir_LIBRARIES) $(Rexeclibdir_LTLIBRARIES)
@@ -127,7 +128,7 @@
 
 ## under peculiar circumstances, $(LIBM) here helps.
 $(libRmath_la): $(libRmath_la_OBJECTS)
-	$(DYLIB_LINK) -o $@ $(libRmath_la_LDFLAGS) $(libRmath_la_OBJECTS) $(LIBM)
+	$(DYLIB_LINK) $(libRmath_la_LDFLAGS) $(libRmath_la_OBJECTS) $(libRmath_la_LIBADD) -o $@
 
 test: $(srcdir)/test.c
 	$(CC) -o $@ $(ALL_CPPFLAGS) $(ALL_CFLAGS) $(srcdir)/test.c \