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|
#
# $FreeBSD$
#
# The user-driven targets are:
#
# buildworld - Rebuild *everything*, including glue to help do
# upgrades.
# installworld - Install everything built by "buildworld".
# world - buildworld + installworld.
# buildkernel - Rebuild the kernel and the kernel-modules.
# installkernel - Install the kernel and the kernel-modules.
# reinstallkernel - Reinstall the kernel and the kernel-modules.
# kernel - buildkernel + installkernel.
# update - Convenient way to update your source tree (cvs).
# upgrade - Upgrade a.out (2.2.x/3.0) system to the new ELF way
# most - Build user commands, no libraries or include files.
# installmost - Install user commands, no libraries or include files.
# aout-to-elf - Upgrade an system from a.out to elf format (see below).
# aout-to-elf-build - Build everything required to upgrade a system from
# a.out to elf format (see below).
# aout-to-elf-install - Install everything built by aout-to-elf-build (see
# below).
# move-aout-libs - Move the a.out libraries into an aout sub-directory
# of each elf library sub-directory.
#
# This makefile is simple by design. The FreeBSD make automatically reads
# the /usr/share/mk/sys.mk unless the -m argument is specified on the
# command line. By keeping this makefile simple, it doesn't matter too
# much how different the installed mk files are from those in the source
# tree. This makefile executes a child make process, forcing it to use
# the mk files from the source tree which are supposed to DTRT.
#
# The user-driven targets (as listed above) are implemented in Makefile.inc1.
#
# For novices wanting to build from current sources, the simple instructions
# are:
#
# 1. Ensure that your /usr/obj directory has at least 260 Mb of free space.
# 2. `cd /usr/src' (or to the directory containing your source tree).
# 3. `make world'
#
# Be warned, this will update your installed system, except for configuration
# files in the /etc directory and for the kernel. You have to do those manually.
#
# If at first you're a little nervous about having a `make world' update
# your system, a `make buildworld' will build everything in the /usr/obj
# tree without touching your installed system. To be of any further use
# though, a `make installworld' is required.
#
# If -DWANT_AOUT is specified, a `make world' with OBJFORMAT=elf will
# update the legacy support for aout. This includes all libraries, ld.so
# and boot objects. This part of build should be regarded as
# deprecated and you should _not_ expect to be able to do this past the
# release of 4.0. You have exactly one major release to move entirely
# to elf.
#
# ----------------------------------------------------------------------------
#
# Upgrading an i386 system from a.out to elf format
#
#
# The aout->elf transition build is performed by doing a `make upgrade' (or
# `make aout-to-elf') or in two steps by a `make aout-to-elf-build' followed
# by a `make aout-to-elf-install', depending on user preference.
# You need to have at least 320 Mb of free space for the object tree.
#
# The upgrade process checks the installed release. If this is 3.0-CURRENT,
# it is assumed that your kernel contains all the syscalls required by the
# current sources.
#
# The upgrade procedure will stop and ask for confirmation to proceed
# several times. On each occasion, you can type Ctrl-C to abort the
# upgrade. Optionally, you can also start it with NOCONFIRM=yes and skip
# the confirmation steps.
#
# At the end of the upgrade procedure, /etc/objformat is created or
# updated to contain OBJFORMAT=elf. From then on, you're elf by default.
#
# ----------------------------------------------------------------------------
#
#
# Define the user-driven targets. These are listed here in alphabetical
# order, but that's not important.
#
TGTS= afterdistribute all all-man buildkernel buildworld checkdpadd clean \
cleandepend cleandir depend distribute distribworld everything \
hierarchy includes install installcheck installkernel kernel \
reinstallkernel installmost installworld libraries lint maninstall \
mk most obj objlink regress rerelease tags update
PATH= /sbin:/bin:/usr/sbin:/usr/bin
MAKE= PATH=${PATH} make -m ${.CURDIR}/share/mk -f Makefile.inc1
#
# Handle the user-driven targets, using the source relative mk files.
#
${TGTS}: upgrade_checks
@cd ${.CURDIR}; \
${MAKE} ${.TARGET}
# Set a reasonable default
.MAIN: all
STARTTIME!= LC_ALL=C date
#
# world
#
# Attempt to rebuild and reinstall *everything*, with reasonable chance of
# success, regardless of how old your existing system is.
#
world: upgrade_checks
@echo "--------------------------------------------------------------"
@echo ">>> ${OBJFORMAT} make world started on ${STARTTIME}"
@echo "--------------------------------------------------------------"
.if target(pre-world)
@echo
@echo "--------------------------------------------------------------"
@echo ">>> Making 'pre-world' target"
@echo "--------------------------------------------------------------"
@cd ${.CURDIR}; ${MAKE} pre-world
.endif
@cd ${.CURDIR}; ${MAKE} buildworld
@cd ${.CURDIR}; ${MAKE} -B installworld
.if target(post-world)
@echo
@echo "--------------------------------------------------------------"
@echo ">>> Making 'post-world' target"
@echo "--------------------------------------------------------------"
@cd ${.CURDIR}; ${MAKE} post-world
.endif
@echo
@echo "--------------------------------------------------------------"
@printf ">>> ${OBJFORMAT} make world completed on `LC_ALL=C date`\n (started ${STARTTIME})\n"
@echo "--------------------------------------------------------------"
#
# Perform a few tests to determine if the installed tools are adequate
# for building the world. These are for older systems (prior to 2.2.5).
#
# From 2.2.5 onwards, the installed tools will pass these upgrade tests,
# so the normal make world is capable of doing what is required to update
# the system to current.
#
upgrade_checks:
@cd ${.CURDIR}; \
if ! make -m ${.CURDIR}/share/mk test > /dev/null 2>&1; then \
make make; \
fi
@cd ${.CURDIR}; \
if make -V .CURDIR:C/.// 2>&1 >/dev/null | \
grep -q "Unknown modifier 'C'"; then \
make make; \
fi
#
# A simple test target used as part of the test to see if make supports
# the -m argument.
#
test:
#
# Upgrade the installed make to the current version using the installed
# headers, libraries and build tools. This is required on installed versions
# prior to 2.2.5 in which the installed make doesn't support the -m argument.
#
make:
@echo
@echo "--------------------------------------------------------------"
@echo " Upgrading the installed make"
@echo "--------------------------------------------------------------"
@cd ${.CURDIR}/usr.bin/make; \
make obj && make depend && make all && make install
#
# Define the upgrade targets. These are listed here in alphabetical
# order, but that's not important.
#
UPGRADE= aout-to-elf aout-to-elf-build aout-to-elf-install \
move-aout-libs
#
# Handle the upgrade targets, using the source relative mk files.
#
upgrade: aout-to-elf
${UPGRADE} : upgrade_checks
@cd ${.CURDIR}; \
${MAKE} -f Makefile.upgrade -m ${.CURDIR}/share/mk ${.TARGET}
|
