Add csc-dim as a prototype if default interface implementation

mcs/packages/Makefile

@@ -28,21 +28,27 @@ ROSLYN_FILES_TO_COPY_FOR_MSBUILD = \
 	$(ROSLYN_CSC_DIR)/Microsoft.CSharp.Core.targets 	 \
 	$(ROSLYN_CSC_DIR)/Microsoft.VisualBasic.Core.targets
 
+ROSLYN_DIM_FILES = $(topdir)/../external/roslyn-binaries/Prototypes/DefaultInterfaceImplementation/*
+
 DISTFILES = $(ROSLYN_FILES_FOR_MONO) $(ROSLYN_FILES_TO_COPY_FOR_MSBUILD) csi-test.csx
 
 ifeq ($(PROFILE), $(DEFAULT_PROFILE))
 
 TARGET_DIR = $(DESTDIR)$(mono_libdir)/mono/$(FRAMEWORK_VERSION)
 MSBUILD_ROSLYN_DIR = $(DESTDIR)$(mono_libdir)/mono/msbuild/15.0/bin/Roslyn
 
-install-local:
+install-local: install-prototypes
 	$(MKINSTALLDIRS) $(TARGET_DIR)
 	$(INSTALL_LIB) $(ROSLYN_FILES_FOR_MONO) $(TARGET_DIR)
 	$(MKINSTALLDIRS) $(MSBUILD_ROSLYN_DIR)
 	$(INSTALL_LIB) $(ROSLYN_FILES_TO_COPY_FOR_MSBUILD) $(MSBUILD_ROSLYN_DIR)
 
 	(cd $(MSBUILD_ROSLYN_DIR); for asm in $(ROSLYN_FILES_FOR_MONO); do ln -fs ../../../../$(FRAMEWORK_VERSION)/$$(basename $$asm) . ; done)
 
+install-prototypes:
+	$(MKINSTALLDIRS) $(TARGET_DIR)/dim
+	$(INSTALL_LIB) $(ROSLYN_DIM_FILES) $(TARGET_DIR)/dim
+
 run-test-local: test-csi
 
 test-csi:

scripts/Makefile.am

@@ -37,6 +37,7 @@ bin_SCRIPTS = \
 	peverify		\
 	mcs			\
 	csc			\
+	csc-dim		\
 	vbc			\
 	csi			\
 	mono-package-runtime	\
@@ -160,6 +161,7 @@ EXTRA_DIST =			\
 	update_submodules.sh	\
 	mcs.in				\
 	csc.in				\
+	csc-dim.in				\
 	vbc.in				\
 	dmcs.in				\
 	csi.in			\
@@ -211,6 +213,10 @@ csc: csc.in Makefile
 	$(REWRITE_COMMON) $(srcdir)/csc.in > $@.tmp
 	mv -f $@.tmp $@
 
+csc-dim: csc-dim.in Makefile
+	$(REWRITE_COMMON) $(srcdir)/csc-dim.in > $@.tmp
+	mv -f $@.tmp $@
+
 vbc: vbc.in Makefile
 	$(REWRITE_COMMON) $(srcdir)/vbc.in > $@.tmp
 	mv -f $@.tmp $@

scripts/csc-dim.in

@@ -0,0 +1,2 @@
+#!/bin/sh
+exec @bindir@/mono --gc-params=nursery-size=64m $MONO_OPTIONS @mono_instdir@/4.5/dim/csc.exe "$@"