+mcs_topdir=$(top_srcdir)/../mcs
+
+.PHONY: bootstrap faststrap fasterstrap bootstrap-clean bootstrap-check get-monolite-latest monolite-bootstrap
+.PHONY: tmpinst-dir tmpinst-mcs-basic-build tmpinst-mcs-short-build tmpinst-mcs-full-build tmpinst-monolite
+.PHONY: mono-do-runtime-only mcs-do-basic-build mcs-do-short-build mcs-do-full-build mcs-do-clean-profiles mcs-do-run-test
+
+if USE_JIT
+mono_runtime = mono/mini/mono
+else
+mono_runtime = mono/interpreter/mint
+endif
+
+# Minimal set of directories to build, and files used to run the 'mcs' compiler
+MCS_BASIC_DIRS = jay mcs class/corlib class/System
+MCS_BASIC_FILES = \
+ $(mcs_topdir)/mcs/mcs.exe \
+ $(mcs_topdir)/class/lib/default/mscorlib.dll \
+ $(mcs_topdir)/class/lib/default/System.dll
+
+# Set of directories and files the 'mcs' compiler can use
+## We build class/System twice to resolve the cyclic dependency of class/System.XML
+MCS_DIRS = $(MCS_BASIC_DIRS) class/System.XML class/System class/Mono.CSharp.Debugger
+MCS_FILES = $(MCS_BASIC_FILES) \
+ $(mcs_topdir)/class/lib/default/System.Xml.dll \
+ $(mcs_topdir)/class/lib/default/Mono.CSharp.Debugger.dll
+
+bootstrap: tmpinst-mcs-basic-build mono-do-runtime-only
+ $(MAKE) tmpinst-mcs-short-build
+ $(MAKE) fasterstrap
+
+faststrap: tmpinst-mcs-short-build
+ $(MAKE) mono-do-runtime-only
+ $(MAKE) fasterstrap
+
+fasterstrap: tmpinst-mcs-full-build
+ rm -f $(top_srcdir)/runtime/*/*.dll $(top_srcdir)/runtime/*.exe
+ $(MAKE)
+
+bootstrap-clean: clean mcs-do-clean-profiles
+bootstrap-check: check mcs-do-run-test
+
+# building with monolite
+
+get-monolite-latest:
+ wget -O $(srcdir)/../monolite-latest.tar.gz http://www.go-mono.com/daily/monolite-latest.tar.gz
+
+monolite-bootstrap: tmpinst-monolite mono-do-runtime-only
+ rm -f $(MCS_FILES)
+ $(MAKE) tmpinst-mcs-short-build
+ $(MAKE) fasterstrap
+
+# internal targets
+
+tmpinst-mcs-basic-build: mcs-do-basic-build tmpinst-dir
+ mv -f $(MCS_BASIC_FILES) _tmpinst/lib
+
+tmpinst-mcs-short-build: mcs-do-short-build
+ mv -f $(MCS_FILES) _tmpinst/lib
+
+tmpinst-mcs-full-build: mcs-do-full-build
+ cp -f $(MCS_FILES) _tmpinst/lib
+
+tmpinst-monolite: tmpinst-dir
+ -rm -f _tmpinst/lib/mcs.exe _tmpinst/lib/*.dll
+ -rm -fr _tmpinst/monolite-*
+ srcdir=`cd $(srcdir) && pwd` && cd _tmpinst && ( gzip -d -c $$srcdir/../monolite-latest.tar.gz | tar xf - )
+ mv -f _tmpinst/monolite-*/mcs.exe _tmpinst/monolite-*/*.dll _tmpinst/lib
+ rm -fr _tmpinst/monolite-*
+
+# Build enough of 'mono' to run the stage1 mcs.exe
+mono-do-runtime-only: $(CONFIG_HEADER)
+ if test -z "$(libgc_dir)"; then :; else cd libgc && $(MAKE) ; fi
+ cd mono && $(MAKE)
+
+mcs-do-basic-build:
+ rm -f $(MCS_FILES)
+ for dir in $(MCS_BASIC_DIRS); do \
+ (cd $(mcs_topdir)/$$dir && $(MAKE) PROFILE=default BOOTSTRAP_MCS="mcs -d:BOOTSTRAP_WITH_OLDLIB") || exit 1 ; \
+ done
+
+mcs-do-short-build:
+ tmpinst=`cd _tmpinst && pwd` ; \
+ PATH=$$tmpinst/bin:$$PATH; export PATH ; \
+ for dir in $(MCS_DIRS); do \
+ (cd $(mcs_topdir)/$$dir && $(MAKE) PROFILE=default) || exit 1 ; \
+ done
+
+mcs-do-full-build:
+ tmpinst=`cd _tmpinst && pwd` ; \
+ PATH=$$tmpinst/bin:$$PATH ; export PATH ; \
+ cd $(mcs_topdir) && $(MAKE) all-profiles