Makefile revision 45108
12061Sjkh# 245108Sobrien# $Id: Makefile,v 1.225 1999/03/20 20:10:19 jkh Exp $ 32061Sjkh# 438666Sjb# The user-driven targets are: 532427Sjb# 638666Sjb# buildworld - Rebuild *everything*, including glue to help do 738666Sjb# upgrades. 838666Sjb# installworld - Install everything built by "buildworld". 938666Sjb# world - buildworld + installworld. 1038666Sjb# update - Convenient way to update your source tree (cvs). 1144918Sjkh# upgrade - Upgrade a.out (2.2.x/3.0) system to the new ELF way 1238666Sjb# most - Build user commands, no libraries or include files. 1338666Sjb# installmost - Install user commands, no libraries or include files. 1438666Sjb# aout-to-elf - Upgrade an system from a.out to elf format (see below). 1538666Sjb# aout-to-elf-build - Build everything required to upgrade a system from 1638666Sjb# a.out to elf format (see below). 1738666Sjb# aout-to-elf-install - Install everything built by aout-to-elf-build (see 1838666Sjb# below). 1938978Sjb# move-aout-libs - Move the a.out libraries into an aout sub-directory 2038978Sjb# of each elf library sub-directory. 2132427Sjb# 2238666Sjb# This makefile is simple by design. The FreeBSD make automatically reads 2338666Sjb# the /usr/share/mk/sys.mk unless the -m argument is specified on the 2438666Sjb# command line. By keeping this makefile simple, it doesn't matter too 2538666Sjb# much how different the installed mk files are from those in the source 2638666Sjb# tree. This makefile executes a child make process, forcing it to use 2738666Sjb# the mk files from the source tree which are supposed to DTRT. 2817308Speter# 2938666Sjb# The user-driven targets (as listed above) are implemented in Makefile.inc0 3038666Sjb# and the private targets are in Makefile.inc1. These are kept separate 3138666Sjb# to help the bootstrap build from aout to elf format. 3219175Sbde# 3338666Sjb# For novices wanting to build from current sources, the simple instructions 3438666Sjb# are: 3538042Sbde# 3639726Sjb# 1. Ensure that your /usr/obj directory has at least 260 Mb of free space. 3738666Sjb# 2. `cd /usr/src' (or to the directory containing your source tree). 3838666Sjb# 3. `make world' 3938042Sbde# 4038666Sjb# Be warned, this will update your installed system, except for configuration 4138666Sjb# files in the /etc directory. You have to do those manually. 4217308Speter# 4338666Sjb# If at first you're a little nervous about having a `make world' update 4438666Sjb# your system, a `make buildworld' will build everything in the /usr/obj 4538666Sjb# tree without touching your installed system. To be of any further use 4638666Sjb# though, a `make installworld' is required. 4717308Speter# 4838666Sjb# The `make world' process always follows the installed object format. 4938666Sjb# This is set by creating /etc/objformat containing either OBJFORMAT=aout 5038666Sjb# or OBJFORMAT=elf. If this file does not exist, the object format defaults 5138666Sjb# to aout. This is expected to be changed to elf just prior to the release 5238666Sjb# or 3.0. If OBJFORMAT is set as an environment variable or in /etc/make.conf, 5338666Sjb# this overrides /etc/objformat. 5417308Speter# 5545108Sobrien# If -DWANT_AOUT is specified, a `make world' with OBJFORMAT=elf will 5642128Speter# update the legacy support for aout. This includes all libraries, ld.so 5742128Speter# and boot objects. This part of build should be regarded as 5838666Sjb# deprecated and you should _not_ expect to be able to do this past the 5938666Sjb# release of 3.1. You have exactly one major release to move entirely 6038666Sjb# to elf. 6117308Speter# 6238666Sjb# ---------------------------------------------------------------------------- 6317308Speter# 6438666Sjb# Upgrading an i386 system from a.out to elf format 6517308Speter# 6627910Sasami# 6743226Sjkh# The aout->elf transition build is performed by doing a `make upgrade' (or 6843226Sjkh# `make aout-to-elf') or in two steps by a `make aout-to-elf-build' followed 6943226Sjkh# by a `make aout-to-elf-install', depending on user preference. 7038666Sjb# You need to have at least 320 Mb of free space for the object tree. 7127910Sasami# 7238666Sjb# The upgrade process checks the installed release. If this is 3.0-CURRENT, 7338666Sjb# it is assumed that your kernel contains all the syscalls required by the 7438666Sjb# current sources. 7527910Sasami# 7638666Sjb# The upgrade procedure will stop and ask for confirmation to proceed 7738666Sjb# several times. On each occasion, you can type Ctrl-C to abort the 7843226Sjkh# upgrade. Optionally, you can also start it with NOCONFIRM=yes and skip 7943226Sjkh# the confirmation steps. 8027910Sasami# 8138666Sjb# At the end of the upgrade procedure, /etc/objformat is created or 8238666Sjb# updated to contain OBJFORMAT=elf. From then on, you're elf by default. 8327910Sasami# 8438666Sjb# ---------------------------------------------------------------------------- 8527910Sasami# 8617308Speter# 8738666Sjb# Define the user-driven targets. These are listed here in alphabetical 8838666Sjb# order, but that's not important. 8917308Speter# 9040495SbdeTGTS = afterdistribute all buildworld checkdpadd clean cleandepend cleandir \ 9140495Sbde depend distribute everything hierarchy includes install installmost \ 9240495Sbde installworld lint maninstall mk most obj objlink regress rerelease \ 9340495Sbde tags update world 942061Sjkh 9517308Speter# 9638666Sjb# Handle the user-driven targets, using the source relative mk files. 9717308Speter# 9838666Sjb${TGTS} : upgrade_checks 9938666Sjb @cd ${.CURDIR}; \ 10044103Smsmith ${MAKE} -f Makefile.inc0 -m ${.CURDIR}/share/mk ${.TARGET} 1012302Spaul 10239206Sjkh# Set a reasonable default 10339206Sjkh.MAIN: all 10439206Sjkh 10517308Speter# 10638666Sjb# Perform a few tests to determine if the installed tools are adequate 10738666Sjb# for building the world. These are for older systems (prior to 2.2.5). 10817308Speter# 10938666Sjb# From 2.2.5 onwards, the installed tools will pass these upgrade tests, 11038666Sjb# so the normal make world is capable of doing what is required to update 11138666Sjb# the system to current. 11217308Speter# 11338666Sjbupgrade_checks : 11444103Smsmith @cd ${.CURDIR}; if `make -m ${.CURDIR}/share/mk test > /dev/null 2>&1`; then ok=1; else ${MAKE} -f Makefile.upgrade make; fi; 1152061Sjkh 11617308Speter# 11738666Sjb# A simple test target used as part of the test to see if make supports 11838666Sjb# the -m argument. 11917308Speter# 12038666Sjbtest : 1213626Swollman 12217308Speter# 12338666Sjb# Define the upgrade targets. These are listed here in alphabetical 12438666Sjb# order, but that's not important. 12517308Speter# 12638978SjbUPGRADE = aout-to-elf aout-to-elf-build aout-to-elf-install \ 12738978Sjb move-aout-libs 1283626Swollman 12917308Speter# 13038666Sjb# Handle the upgrade targets, using the source relative mk files. 13117308Speter# 13243226Sjkh 13343226Sjkhupgrade: aout-to-elf 13443226Sjkh 13538666Sjb${UPGRADE} : upgrade_checks 13638666Sjb @cd ${.CURDIR}; \ 13744103Smsmith ${MAKE} -f Makefile.upgrade -m ${.CURDIR}/share/mk ${.TARGET} 138