1 files changed, 79 insertions, 0 deletions
diff --git a/targets/pseudo/bootstrap-tools/Makefile b/targets/pseudo/bootstrap-tools/Makefile
new file mode 100644
index 000000000000..a267e9573498
--- /dev/null
+++ b/targets/pseudo/bootstrap-tools/Makefile
@@ -0,0 +1,79 @@
+# $FreeBSD$
+
+# building clang is particularly tedious - so avoid re-inventing wheels
+
+all: bootstrap-toolchain
+
+UPDATE_DEPENDFILE= no
+.export UPDATE_DEPENDFILE
+
+# we build for the pseudo machine "host"
+TARGET_MACHINE= host
+
+HOST_MACHINE!= uname -m
+HOST_MACHINE_ARCH!= uname -p
+BTOOLSDIR?= ${HOST_OBJTOP}/tools
+LEGACY_TOOLS?= ${BTOOLSDIR}/legacy
+
+BSENV= \
+	unset MAKEOBJDIR; MAKEOBJDIRPREFIX=${BTOOLSDIR} \
+	MAKESYSPATH=${SRCTOP}/tools/build/mk:${SRCTOP}/share/mk \
+	TARGET=${HOST_MACHINE} TARGET_ARCH=${HOST_MACHINE_ARCH} \
+	WITHOUT_STAGING=1 STAGE_ROOT= BOOTSTRAPPING_TOOLS=1 \
+	WORLDTMP=${BTOOLSDIR} LEGACY_TOOLS=${LEGACY_TOOLS}
+
+.if !defined(OSRELDATE)
+ord_h= /usr/include/osreldate.h
+.if exists(${ord_h})
+OSRELDATE!= sed -n '/define.*__FreeBSD_version/{s,^[^0-9]*,,p;q;}' ${ord_h}
+.endif
+OSRELDATE?= 0
+.endif
+
+# need to keep this in sync with src/Makefile.inc1 
+BSARGS= \
+	DESTDIR= \
+	BOOTSTRAPPING=${OSRELDATE} \
+	SSP_CFLAGS= \
+	MK_HTML=no NO_LINT=yes MK_MAN=no \
+	-DNO_PIC MK_PROFILE=no -DNO_SHARED \
+	-DNO_CPU_CFLAGS MK_WARNS=no MK_CTF=no \
+	MK_CLANG_EXTRAS=no MK_CLANG_FULL=no \
+	MK_LLDB=no MK_TESTS=no \
+	MK_INCLUDES=yes 
+
+
+legacy: .MAKE .META
+	mkdir -p ${LEGACY_TOOLS}
+	${MAKE} -C ${SRCTOP}/etc distrib-dirs DESTDIR=${BTOOLSDIR} > $@2
+	${MAKE} -C ${SRCTOP}/etc distrib-dirs DESTDIR=${LEGACY_TOOLS} > $@
+	${BSENV} ${MAKE} -C ${SRCTOP} -f Makefile.inc1 ${BSARGS} $@
+	touch $@
+
+bootstrap-tools: legacy
+build-tools: bootstrap-tools
+cross-tools: build-tools
+
+cross-tools build-tools bootstrap-tools: .MAKE .META
+	${BSENV} ${MAKE} -C ${SRCTOP} -f Makefile.inc1 ${BSARGS} $@
+	touch $@
+
+# MAKELEVEL=0 so that dirdeps.mk does its thing
+# LEGACY_TOOLS lets us use the bootstaped stuff above
+# TARGET* is so that MK_CLANG gets set correctly.
+BSTCENV= \
+	MAKELEVEL=0 \
+	MACHINE=host \
+	LEGACY_TOOLS=${LEGACY_TOOLS} \
+	TARGET=${HOST_MACHINE} \
+	TARGET_ARCH=${HOST_MACHINE_ARCH}
+
+BSTCARGS= \
+	${BSARGS} \
+	BUILD_DIRDEPS=yes \
+	-DWITH_STAGING \
+	-DWITH_TOOLSDIR
+
+# finally we build toolchain leveraging the above.
+bootstrap-toolchain:	.MAKE cross-tools
+	${BSTCENV} ${MAKE} -C ${.CURDIR:H:H} ${BSTCARGS} toolchain