+ifeq "$(USE_DTRACE)" "YES"
+ifeq "$(TargetOS_CPP)" "solaris2"
+# On Darwin we don't need to generate binary containing probes defined
+# in DTrace script, but DTrace on Solaris expects generation of binary
+# from the DTrace probes definitions
+rts_$1_DTRACE_OBJS = rts/dist/build/RtsProbes.$$($1_osuf)
+
+rts/dist/build/RtsProbes.$$($1_osuf) : $$(rts_$1_OBJS)
+ $(DTRACE) -G -C -Iincludes -DDTRACE -s rts/RtsProbes.d -o \
+ $$@ $$(rts_$1_OBJS)
+endif
+endif
+
+rts_dist_$1_CC_OPTS += -DRtsWay=\"rts_$1\"
+
+# Making a shared library for the RTS.
+ifneq "$$(findstring dyn, $1)" ""
+ifeq "$$(HOSTPLATFORM)" "i386-unknown-mingw32"
+$$(rts_$1_LIB) : $$(rts_$1_OBJS) $$(ALL_RTS_DEF_LIBS) rts/libs.depend
+ "$$(RM)" $$(RM_OPTS) $$@
+ "$$(rts_dist_HC)" -package-name rts -shared -dynamic -dynload deploy \
+ -no-auto-link-packages `cat rts/libs.depend` $$(rts_$1_OBJS) $$(ALL_RTS_DEF_LIBS) -o $$@
+else
+$$(rts_$1_LIB) : $$(rts_$1_OBJS) $$(rts_$1_DTRACE_OBJS) rts/libs.depend
+ "$$(RM)" $$(RM_OPTS) $$@
+ "$$(rts_dist_HC)" -package-name rts -shared -dynamic -dynload deploy \
+ -no-auto-link-packages `cat rts/libs.depend` $$(rts_$1_OBJS) \
+ $$(rts_$1_DTRACE_OBJS) -o $$@
+ifeq "$$(darwin_HOST_OS)" "1"
+ # Ensure library's install name is correct before anyone links with it.
+ install_name_tool -id $(ghclibdir)/$$(rts_$1_LIB_NAME) $$@
+endif
+endif
+else
+$$(rts_$1_LIB) : $$(rts_$1_OBJS) $$(rts_$1_DTRACE_OBJS)
+ "$$(RM)" $$(RM_OPTS) $$@
+ echo $$(rts_$1_OBJS) $$(rts_$1_DTRACE_OBJS) | "$$(XARGS)" $$(XARGS_OPTS) "$$(AR_STAGE1)" \
+ $$(AR_OPTS_STAGE1) $$(EXTRA_AR_ARGS_STAGE1) $$@
+endif
+
+endif