Annotation of src/UPDATING, Revision 1.9
1.9 ! sommerfe 1: $NetBSD: UPDATING,v 1.8 2001/01/01 14:13:51 sommerfeld Exp $
1.1 abs 2:
3: This file is intended to be a brief introduction to the build
4: process and a reference on what to do if something doesn't work.
5:
6: For a more detailed description see Makefile.
7:
8: Recent changes:
9: ^^^^^^^^^^^^^^^
1.9 ! sommerfe 10:
! 11: 20010101:
! 12: bsd.subdir.mk committed 20001230 had a bug which caused
! 13: afterinstall targets to run too soon; update again.
1.8 sommerfe 14:
15: 20001230:
16: New share/mk files needed to support .WAIT in SUBDIR variables.
17: If you get make errors,
18: (cd share/mk; make install)
19: Also, PRINTOBJDIR has changed and is now used more heavily.
1.6 ad 20:
21: 20001019:
1.7 ad 22: The `ca' device driver has been replaced by `ld'; although the
1.6 ad 23: major and minor numbers haven't changed, you should update your /dev
24: directory.
1.1 abs 25:
1.4 itojun 26: 20000929:
27: The following make directives are obsoleted.
28: MKCRYPTO_RSA NOCRYPTO_RSA NOCRYPTO_RC5 NOCRYPTO_IDEA
29: By default, RSA is built into libcrypto. IDEA and RC5 will not be
30: bulit into libcrypto. By using MKCRYPTO_{RC5,IDEA}, you can build
31: additional library libcrypto_{idea,rc5}.
32:
1.1 abs 33: 20000623:
34: MKCRYPTO and friends added to share/mk/bsd.own.mk.
35: 'cd share/mk ; make install' needed before make build.
36:
37:
38: Hints for a more successful build:
39: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.2 mrg 40: Build a new kernel first:
41: This makes sure that any new system calls or features
42: expected by the new userland will be present. This
43: helps to avoid critical errors when upgrading.
1.1 abs 44: Use object directories:
45: This helps to keep stale object
46: files from polluting the build if a Makefile "forgets"
47: about one. It also makes it easier to clean up after
48: a build. It's also necessary if you want to use the
49: same source tree for multiple machines.
50: To use object directories:
51: a) cd /usr/src ; make cleandir
1.2 mrg 52: b) Add "OBJMACHINE=yes" to /etc/mk.conf
53: c) Add "MKOBJDIRS=yes" to /etc/mk.conf
1.1 abs 54: d) cd /usr/src ; make build
1.2 mrg 55: Note that running "make obj" in a directory will create
56: in obj.$MACHINE directory.
1.1 abs 57: Build to a DESTDIR:
58: This helps to keep old
59: installed files (especially libraries) from interfering
60: with the new build.
61: To build to a DESTDIR, set the DESTDIR environment
1.2 mrg 62: variable before running make build. It should be set to
63: the pathname of an initially empty directory.
1.1 abs 64: Problems: you might need to update critical utilities
65: without using DESTDIR since nothing is executed
66: from what is installed in DESTDIR.
67: (See critical utils, below)
68: Build often:
69: This keeps critical utilities current enough to not choke
70: on any other part of the source tree that depends on up to
71: date functionality.
72:
73: What to do if things don't work:
74: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
75: When things don't work there is usually a few things that commonly
76: should be done.
77: 1) make includes
78: This should be done automatically by make build.
79: 2) cd share/mk && make install
80: Again, automatically done by make build.
81:
82: Failsafe rebuild of a small part of the tree:
83: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
84: To make sure you rebuild something correctly you want to do
85: something like the following:
86: 1) Make sure the includes and .mk files are up to date.
87: 2) Make sure any program used to build the particular
88: utility is up to date. (yacc, lex, etc...)
89: 3) cd ...path/to/util...
90: make cleandir
91: rm ...all obj directories...
92: make cleandir # yes, again
93: make obj
94: make depend && make
95:
96: Failsafe rebuild of the entire tree:
97: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
98: If you really want to make sure the source tree is clean and
1.2 mrg 99: ready for a build try the following. Note that sourcing /etc/mk.conf
100: (a make(1) Makefile) in this manner is not right, and will not work
101: for anyone who uses any make(1) features in /etc/mk.conf.
1.1 abs 102:
103: ---cut here---
104: #!/bin/sh
105: . /etc/mk.conf
106:
107: if [ -z $BSDSRCDIR ] ; then
108: BSDSRCDIR=/usr/src
109: fi
110: if [ \! -d $BSDSRCDIR ] ; then
111: echo Unable to find sources
112: exit 1
113: fi
114: find $BSDSRCDIR -name \*.o -o -name obj.\* -o -name obj -exec rm \{\} \;
115:
116: if [ -z $BSDOBJDIR ] ; then
117: BSDOBJDIR=/usr/obj
118: fi
119: if [ -d $BSDOBJDIR ] ; then
120: rm -rf $BSDOBJDIR
121: fi
122:
123: cd $BSDSRCDIR && make cleandir
124:
125: ---cut here---
126:
127: Critical utilities:
128: ^^^^^^^^^^^^^^^^^^^
129: gnu/usr.bin/egcs
1.3 itojun 130: usr.bin/compile_et
1.1 abs 131: usr.bin/make
132: usr.bin/yacc
133: usr.bin/lex
1.2 mrg 134: usr.sbin/config
1.1 abs 135:
136: Other problems and possibly solutions:
137: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
138: Symptom:Unreasonable compiler errors.
139: Fix: Rebuild gnu/usr.bin/egcs
140:
141: Symptom:Complaints involving a Makefile.
142: Fix: Make sure .mk files are up to date.
143: cd share/mk && make install
144: Fix: Rebuild usr.bin/make
1.2 mrg 145:
146: Symptom:Kernel `config' fails to configure any kernel, including GENERIC.
147: Fix: Rebuild usr.sbin/config
1.1 abs 148:
149: Symptom:
150: Fix: Rebuild usr.bin/yacc
151:
152: Symptom:
153: Fix: Rebuild usr.bin/lex
154:
155: Symptom:
156: Fix: rm /usr/lib/libbfd.a
1.4 itojun 157:
158: Symptom:Obsolete intermediate files are used during compilation
159: Fix: Try the following sequence of commands in the directory in question.
160: make cleandir; rm `make print-objdir`; make cleandir; make obj
161: (If you built the tree without "make obj" in the past, obsolete files
162: may remain. The command tries to clean everything up)
1.5 wiz 163:
164: Symptom:.../sysinst/run.c:xx: warning: initialization from incompatible pointer type
165: Fix: Rebuild and install usr.bin/menuc
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