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# $FreeBSD$
# 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= \
WORLDTMP=${BTOOLSDIR} LEGACY_TOOLS=${LEGACY_TOOLS}
BSARGS= \
DESTDIR= \
SSP_CFLAGS= \
MK_HTML=no MK_INFO=no NO_LINT=yes MK_MAN=no \
-DNO_PIC MK_PROFILE=no -DNO_SHARED \
-DWITH_CLANG_BOOTSTRAP \
-DNO_CPU_CFLAGS -DNO_WARNS MK_CTF=no -DEARLY_BUILD MK_TESTS=no
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} \
-DWITH_STAGING \
-DWITH_TOOLSDIR
# finally we build toolchain leveraging the above.
bootstrap-toolchain: .MAKE cross-tools
${BSTCENV} ${MAKE} -C ${.CURDIR:H:H} ${BSTCARGS} toolchain
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