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[dragonfly.git] / Makefile
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1#
2# $FreeBSD: src/Makefile,v 1.234.2.19 2003/04/16 09:59:40 ru Exp $
aa8d5dcb 3# $DragonFly: src/Makefile,v 1.4 2004/03/20 16:27:39 drhodus Exp $
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4#
5# The user-driven targets are:
6#
7# buildworld - Rebuild *everything*, including glue to help do
8# upgrades.
9# installworld - Install everything built by "buildworld".
10# world - buildworld + installworld.
11# buildkernel - Rebuild the kernel and the kernel-modules.
12# installkernel - Install the kernel and the kernel-modules.
13# reinstallkernel - Reinstall the kernel and the kernel-modules.
14# kernel - buildkernel + installkernel.
15# update - Convenient way to update your source tree (cvs).
16# upgrade - Upgrade a.out (2.2.x/3.0) system to the new ELF way
17# most - Build user commands, no libraries or include files.
18# installmost - Install user commands, no libraries or include files.
19# aout-to-elf - Upgrade an system from a.out to elf format (see below).
20# aout-to-elf-build - Build everything required to upgrade a system from
21# a.out to elf format (see below).
22# aout-to-elf-install - Install everything built by aout-to-elf-build (see
23# below).
24# move-aout-libs - Move the a.out libraries into an aout sub-directory
25# of each elf library sub-directory.
26#
27# This makefile is simple by design. The FreeBSD make automatically reads
28# the /usr/share/mk/sys.mk unless the -m argument is specified on the
29# command line. By keeping this makefile simple, it doesn't matter too
30# much how different the installed mk files are from those in the source
31# tree. This makefile executes a child make process, forcing it to use
32# the mk files from the source tree which are supposed to DTRT.
33#
34# The user-driven targets (as listed above) are implemented in Makefile.inc1.
35#
36# If you want to build your system from source be sure that /usr/obj has
37# at least 400MB of diskspace available.
38#
39# For individuals wanting to build from the sources currently on their
40# system, the simple instructions are:
41#
42# 1. `cd /usr/src' (or to the directory containing your source tree).
43# 2. `make world'
44#
45# For individuals wanting to upgrade their sources (even if only a
46# delta of a few days):
47#
48# 1. `cd /usr/src' (or to the directory containing your source tree).
49# 2. `make buildworld'
50# 3. `make buildkernel KERNCONF=YOUR_KERNEL_HERE' (default is GENERIC).
51# 4. `make installkernel KERNCONF=YOUR_KERNEL_HERE' (default is GENERIC).
52# 5. `reboot' (in single user mode: boot -s from the loader prompt).
53# 6. `mergemaster -p'
54# 7. `make installworld'
55# 8. `mergemaster'
56# 9. `reboot'
57#
58# See src/UPDATING `COMMON ITEMS' for more complete information.
59#
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60# If TARGET_ARCH=arch (e.g. alpha) is specified you can
61# cross build world for other architectures using the buildworld target,
62# and once the world is built you can cross build a kernel using the
63# buildkernel target.
64#
65# ----------------------------------------------------------------------------
66#
67# Upgrading an i386 system from a.out to elf format
68#
69#
70# The aout->elf transition build is performed by doing a `make upgrade' (or
71# `make aout-to-elf') or in two steps by a `make aout-to-elf-build' followed
72# by a `make aout-to-elf-install', depending on user preference.
73# You need to have at least 320 Mb of free space for the object tree.
74#
75# The upgrade process checks the installed release. If this is 3.0-CURRENT,
76# it is assumed that your kernel contains all the syscalls required by the
77# current sources.
78#
79# The upgrade procedure will stop and ask for confirmation to proceed
80# several times. On each occasion, you can type Ctrl-C to abort the
81# upgrade. Optionally, you can also start it with NOCONFIRM=yes and skip
82# the confirmation steps.
83#
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84# ----------------------------------------------------------------------------
85#
86#
87# Define the user-driven targets. These are listed here in alphabetical
88# order, but that's not important.
89#
90TGTS= all all-man buildkernel buildworld checkdpadd clean \
91 cleandepend cleandir depend distribute distributeworld everything \
92 hierarchy install installcheck installkernel \
93 reinstallkernel installmost installworld libraries lint maninstall \
94 mk most obj objlink regress rerelease tags update
95
96BITGTS= files includes
97BITGTS:=${BITGTS} ${BITGTS:S/^/build/} ${BITGTS:S/^/install/}
98
99.ORDER: buildworld installworld
100.ORDER: buildworld distributeworld
101.ORDER: buildworld buildkernel
102.ORDER: buildkernel installkernel
103.ORDER: buildkernel reinstallkernel
104
105PATH= /sbin:/bin:/usr/sbin:/usr/bin
106MAKE= PATH=${PATH} make -m ${.CURDIR}/share/mk -f Makefile.inc1
107
108#
109# Handle the user-driven targets, using the source relative mk files.
110#
111${TGTS} ${BITGTS}: upgrade_checks
112 @cd ${.CURDIR}; \
113 ${MAKE} ${.TARGET}
114
115# Set a reasonable default
116.MAIN: all
117
118STARTTIME!= LC_ALL=C date
119#
120# world
121#
122# Attempt to rebuild and reinstall *everything*, with reasonable chance of
123# success, regardless of how old your existing system is.
124#
125world: upgrade_checks
126 @echo "--------------------------------------------------------------"
aa8d5dcb 127 @echo ">>> elf make world started on ${STARTTIME}"
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128 @echo "--------------------------------------------------------------"
129.if target(pre-world)
130 @echo
131 @echo "--------------------------------------------------------------"
132 @echo ">>> Making 'pre-world' target"
133 @echo "--------------------------------------------------------------"
134 @cd ${.CURDIR}; ${MAKE} pre-world
135.endif
136 @cd ${.CURDIR}; ${MAKE} buildworld
137 @cd ${.CURDIR}; ${MAKE} -B installworld
138.if target(post-world)
139 @echo
140 @echo "--------------------------------------------------------------"
141 @echo ">>> Making 'post-world' target"
142 @echo "--------------------------------------------------------------"
143 @cd ${.CURDIR}; ${MAKE} post-world
144.endif
145 @echo
146 @echo "--------------------------------------------------------------"
aa8d5dcb 147 @printf ">>> elf make world completed on `LC_ALL=C date`\n (started ${STARTTIME})\n"
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148 @echo "--------------------------------------------------------------"
149
150#
151# kernel
152#
153# Short hand for `make buildkernel installkernel'
154#
155kernel: buildkernel installkernel
156
157#
158# Perform a few tests to determine if the installed tools are adequate
159# for building the world. These are for older systems (prior to 2.2.5).
160#
161# From 2.2.5 onwards, the installed tools will pass these upgrade tests,
162# so the normal make world is capable of doing what is required to update
163# the system to current.
164#
165upgrade_checks:
166 @cd ${.CURDIR}; \
167 if ! make -m ${.CURDIR}/share/mk -Dnotdef test >/dev/null 2>&1; then \
168 make make; \
169 fi
170 @cd ${.CURDIR}; \
171 if make -V .CURDIR:C/.// 2>&1 >/dev/null | \
172 grep -q "Unknown modifier 'C'"; then \
173 make make; \
174 fi
175
176#
177# A simple test target used as part of the test to see if make supports
178# the -m argument. Also test that make will only evaluate a conditional
179# as far as is necessary to determine its value.
180#
181test:
182.if defined(notdef)
183.undef notdef
184.if defined(notdef) && ${notdef:U}
185.endif
186.endif
187
188#
189# Upgrade the installed make to the current version using the installed
190# headers, libraries and build tools. This is required on installed versions
191# prior to 2.2.5 in which the installed make doesn't support the -m argument.
192#
193make:
194 @echo
195 @echo "--------------------------------------------------------------"
196 @echo " Upgrading the installed make"
197 @echo "--------------------------------------------------------------"
198 @cd ${.CURDIR}/usr.bin/make; \
199 make obj && make depend && make all && make install
200
201#
202# Define the upgrade targets. These are listed here in alphabetical
203# order, but that's not important.
204#
205UPGRADE= aout-to-elf aout-to-elf-build aout-to-elf-install \
206 move-aout-libs
207
208#
209# Handle the upgrade targets, using the source relative mk files.
210#
211
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212upgrade: upgrade_etc
213
214#
215# Handle post-installworld updating of static files (e.g. like /etc/rc)
216#
217upgrade_etc:
218 @cd ${.CURDIR}/etc; make upgrade_etc
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219
220${UPGRADE} : upgrade_checks
221 @cd ${.CURDIR}; \
222 ${MAKE} -f Makefile.upgrade -m ${.CURDIR}/share/mk ${.TARGET}