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549f978ab6
While here fix some minor style bugs (whitespacing) and move the make target from Makefile.upgrade to this file. Simplify the make target to make it readable.
183 lines
7.0 KiB
Makefile
183 lines
7.0 KiB
Makefile
#
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# $FreeBSD$
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#
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# The user-driven targets are:
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#
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# buildworld - Rebuild *everything*, including glue to help do
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# upgrades.
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# installworld - Install everything built by "buildworld".
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# world - buildworld + installworld.
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# update - Convenient way to update your source tree (cvs).
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# upgrade - Upgrade a.out (2.2.x/3.0) system to the new ELF way
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# most - Build user commands, no libraries or include files.
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# installmost - Install user commands, no libraries or include files.
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# aout-to-elf - Upgrade an system from a.out to elf format (see below).
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# aout-to-elf-build - Build everything required to upgrade a system from
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# a.out to elf format (see below).
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# aout-to-elf-install - Install everything built by aout-to-elf-build (see
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# below).
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# move-aout-libs - Move the a.out libraries into an aout sub-directory
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# of each elf library sub-directory.
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#
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# This makefile is simple by design. The FreeBSD make automatically reads
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# the /usr/share/mk/sys.mk unless the -m argument is specified on the
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# command line. By keeping this makefile simple, it doesn't matter too
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# much how different the installed mk files are from those in the source
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# tree. This makefile executes a child make process, forcing it to use
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# the mk files from the source tree which are supposed to DTRT.
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#
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# The user-driven targets (as listed above) are implemented in Makefile.inc0
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# and the private targets are in Makefile.inc1. These are kept separate
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# to help the bootstrap build from aout to elf format.
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#
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# For novices wanting to build from current sources, the simple instructions
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# are:
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#
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# 1. Ensure that your /usr/obj directory has at least 260 Mb of free space.
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# 2. `cd /usr/src' (or to the directory containing your source tree).
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# 3. `make world'
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#
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# Be warned, this will update your installed system, except for configuration
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# files in the /etc directory and for the kernel. You have to do those manually.
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#
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# If at first you're a little nervous about having a `make world' update
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# your system, a `make buildworld' will build everything in the /usr/obj
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# tree without touching your installed system. To be of any further use
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# though, a `make installworld' is required.
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#
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# If -DWANT_AOUT is specified, a `make world' with OBJFORMAT=elf will
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# update the legacy support for aout. This includes all libraries, ld.so
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# and boot objects. This part of build should be regarded as
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# deprecated and you should _not_ expect to be able to do this past the
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# release of 4.0. You have exactly one major release to move entirely
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# to elf.
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#
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# ----------------------------------------------------------------------------
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#
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# Upgrading an i386 system from a.out to elf format
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#
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#
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# The aout->elf transition build is performed by doing a `make upgrade' (or
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# `make aout-to-elf') or in two steps by a `make aout-to-elf-build' followed
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# by a `make aout-to-elf-install', depending on user preference.
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# You need to have at least 320 Mb of free space for the object tree.
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#
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# The upgrade process checks the installed release. If this is 3.0-CURRENT,
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# it is assumed that your kernel contains all the syscalls required by the
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# current sources.
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#
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# The upgrade procedure will stop and ask for confirmation to proceed
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# several times. On each occasion, you can type Ctrl-C to abort the
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# upgrade. Optionally, you can also start it with NOCONFIRM=yes and skip
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# the confirmation steps.
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#
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# At the end of the upgrade procedure, /etc/objformat is created or
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# updated to contain OBJFORMAT=elf. From then on, you're elf by default.
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#
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# ----------------------------------------------------------------------------
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#
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#
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# Define the user-driven targets. These are listed here in alphabetical
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# order, but that's not important.
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#
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TGTS= afterdistribute all buildkernel buildworld checkdpadd clean \
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cleandepend cleandir depend distribute everything hierarchy includes \
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install installkernel installmost installworld lint maninstall mk \
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most obj objlink regress rerelease tags update
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PATH= /sbin:/bin:/usr/sbin:/usr/bin
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MAKE= PATH=${PATH} make -m ${.CURDIR}/share/mk -f Makefile.inc1
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#
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# Handle the user-driven targets, using the source relative mk files.
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#
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${TGTS}: upgrade_checks
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@cd ${.CURDIR}; \
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${MAKE} ${.TARGET}
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# Set a reasonable default
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.MAIN: all
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STARTTIME!= LC_TIME=C date
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#
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# world
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#
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# Attempt to rebuild and reinstall *everything*, with reasonable chance of
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# success, regardless of how old your existing system is.
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#
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world: upgrade_checks
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@echo "--------------------------------------------------------------"
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@echo ">>> ${OBJFORMAT} make world started on ${STARTTIME}"
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@echo "--------------------------------------------------------------"
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.if target(pre-world)
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@echo
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@echo "--------------------------------------------------------------"
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@echo ">>> Making 'pre-world' target"
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@echo "--------------------------------------------------------------"
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@cd ${.CURDIR}; ${MAKE} pre-world
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.endif
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@cd ${.CURDIR}; ${MAKE} buildworld
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@cd ${.CURDIR}; ${MAKE} -B installworld
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.if target(post-world)
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@echo
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@echo "--------------------------------------------------------------"
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@echo ">>> Making 'post-world' target"
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@echo "--------------------------------------------------------------"
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@cd ${.CURDIR}; ${MAKE} post-world
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.endif
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@echo
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@echo "--------------------------------------------------------------"
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@echo ">>> ${OBJFORMAT} make world started on ${STARTTIME}"
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@echo ">>> ${OBJFORMAT} make world completed on `LC_TIME=C date`"
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@echo "--------------------------------------------------------------"
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#
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# Perform a few tests to determine if the installed tools are adequate
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# for building the world. These are for older systems (prior to 2.2.5).
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#
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# From 2.2.5 onwards, the installed tools will pass these upgrade tests,
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# so the normal make world is capable of doing what is required to update
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# the system to current.
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#
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upgrade_checks:
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@cd ${.CURDIR}; \
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if ! make -m ${.CURDIR}/share/mk test > /dev/null 2>&1; then \
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make make; \
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fi
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#
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# A simple test target used as part of the test to see if make supports
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# the -m argument.
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#
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test:
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#
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# Upgrade the installed make to the current version using the installed
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# headers, libraries and build tools. This is required on installed versions
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# prior to 2.2.5 in which the installed make doesn't support the -m argument.
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#
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make:
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@echo
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@echo "--------------------------------------------------------------"
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@echo " Upgrading the installed make"
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@echo "--------------------------------------------------------------"
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@cd ${.CURDIR}/usr.bin/make; \
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make obj && make depend && make all && make install
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#
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# Define the upgrade targets. These are listed here in alphabetical
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# order, but that's not important.
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#
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UPGRADE= aout-to-elf aout-to-elf-build aout-to-elf-install \
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move-aout-libs
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#
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# Handle the upgrade targets, using the source relative mk files.
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#
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upgrade: aout-to-elf
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${UPGRADE} : upgrade_checks
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@cd ${.CURDIR}; \
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${MAKE} -f Makefile.upgrade -m ${.CURDIR}/share/mk ${.TARGET}
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