Annotation of src/UPDATING, Revision 1.26
1.26 ! thorpej 1: $NetBSD: UPDATING,v 1.25 2001/07/23 05:49:09 thorpej 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: ^^^^^^^^^^^^^^^
1.25 thorpej 10:
11: 20010718:
12:
13: Enabled correct .init/.fini processing in crt0. The way this
14: was done was to change a -I directive to cc(1), which means
15: make(1) will have a stale dependency (it will be checking the
16: timestamp on the wrong "dot_init.h").
17:
18: The symptom you will see is that new programs die with SIGSEGV
19: if you have a stale dependency.
20:
21: Solution: "make cleandir" in both lib/csu and libexec/ld.elf_so
22: before starting your build.
1.26 ! thorpej 23:
! 24: 20010628:
! 25:
! 26: A construct was added to uvm_page.h that uncovered a bug
! 27: in lint(1). If you get a warning/error about a non-portable
! 28: bitfield, update your lint(1) before proceeding.
1.21 jmc 29:
30: 20010226:
31:
1.22 jmc 32: Added named user/group to system. Need to hand add this in or builds
1.21 jmc 33: will break as mtree aborts early.
34:
35: To work around add by hand:
36:
37: named:*:14:
38:
1.22 jmc 39: to /etc/group and add:
40:
41: named:*:14:14::0:0:Named pseudo-user:/var/named:/sbin/nologin
42:
43: to master.passwd (use vipw for instance if doing by hand).
44:
45: Now a make build should progress.
1.18 jmc 46:
47: 20010219:
48: get/setprogname() added. Any hostprog's that may use this will need
1.20 jmc 49: to be bootstrapped manually until the host system is current.
1.18 jmc 50:
51: Known problems: sys/arch/macppc/stand/fixcoff
1.19 cgd 52: usr.sbin/config (adding -DMAKE_BOOTSTRAP to
53: CFLAGS and rebuilding should work)
1.20 jmc 54: usr.sbin/mdsetimage - Build a static copy if
55: building a snapshot before fully bootstrapped.
1.15 christos 56:
57: 20010204:
58: prepare the code to compile with stricter gcc flags. in
59: particular start eliminating redundant declarations. Yacc
60: needs to be installed before make build.
1.10 christos 61:
62: 20010114:
63: introduce .if commands(target) in make(1). You need to
64: bring everything up-to-date first, then without installing
1.23 tron 65: anything make and install in usr.bin/make, then proceed
1.10 christos 66: with make build.
1.9 sommerfe 67:
68: 20010101:
69: bsd.subdir.mk committed 20001230 had a bug which caused
70: afterinstall targets to run too soon; update again.
1.8 sommerfe 71:
72: 20001230:
73: New share/mk files needed to support .WAIT in SUBDIR variables.
74: If you get make errors,
75: (cd share/mk; make install)
76: Also, PRINTOBJDIR has changed and is now used more heavily.
1.6 ad 77:
78: 20001019:
1.7 ad 79: The `ca' device driver has been replaced by `ld'; although the
1.6 ad 80: major and minor numbers haven't changed, you should update your /dev
81: directory.
1.1 abs 82:
1.4 itojun 83: 20000929:
84: The following make directives are obsoleted.
85: MKCRYPTO_RSA NOCRYPTO_RSA NOCRYPTO_RC5 NOCRYPTO_IDEA
86: By default, RSA is built into libcrypto. IDEA and RC5 will not be
1.16 wiz 87: built into libcrypto. By using MKCRYPTO_{RC5,IDEA}, you can build
1.4 itojun 88: additional library libcrypto_{idea,rc5}.
89:
1.1 abs 90: 20000623:
91: MKCRYPTO and friends added to share/mk/bsd.own.mk.
92: 'cd share/mk ; make install' needed before make build.
93:
94:
95: Hints for a more successful build:
96: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.2 mrg 97: Build a new kernel first:
98: This makes sure that any new system calls or features
99: expected by the new userland will be present. This
100: helps to avoid critical errors when upgrading.
1.1 abs 101: Use object directories:
102: This helps to keep stale object
103: files from polluting the build if a Makefile "forgets"
104: about one. It also makes it easier to clean up after
105: a build. It's also necessary if you want to use the
106: same source tree for multiple machines.
107: To use object directories:
108: a) cd /usr/src ; make cleandir
1.2 mrg 109: b) Add "OBJMACHINE=yes" to /etc/mk.conf
110: c) Add "MKOBJDIRS=yes" to /etc/mk.conf
1.1 abs 111: d) cd /usr/src ; make build
1.2 mrg 112: Note that running "make obj" in a directory will create
113: in obj.$MACHINE directory.
1.1 abs 114: Build to a DESTDIR:
115: This helps to keep old
116: installed files (especially libraries) from interfering
117: with the new build.
118: To build to a DESTDIR, set the DESTDIR environment
1.2 mrg 119: variable before running make build. It should be set to
120: the pathname of an initially empty directory.
1.1 abs 121: Problems: you might need to update critical utilities
122: without using DESTDIR since nothing is executed
123: from what is installed in DESTDIR.
124: (See critical utils, below)
125: Build often:
126: This keeps critical utilities current enough to not choke
127: on any other part of the source tree that depends on up to
128: date functionality.
129:
130: What to do if things don't work:
131: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
132: When things don't work there is usually a few things that commonly
133: should be done.
134: 1) make includes
135: This should be done automatically by make build.
136: 2) cd share/mk && make install
137: Again, automatically done by make build.
138:
139: Failsafe rebuild of a small part of the tree:
140: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
141: To make sure you rebuild something correctly you want to do
142: something like the following:
143: 1) Make sure the includes and .mk files are up to date.
144: 2) Make sure any program used to build the particular
145: utility is up to date. (yacc, lex, etc...)
146: 3) cd ...path/to/util...
147: make cleandir
148: rm ...all obj directories...
149: make cleandir # yes, again
150: make obj
151: make depend && make
152:
153: Failsafe rebuild of the entire tree:
154: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
155: If you really want to make sure the source tree is clean and
1.2 mrg 156: ready for a build try the following. Note that sourcing /etc/mk.conf
157: (a make(1) Makefile) in this manner is not right, and will not work
158: for anyone who uses any make(1) features in /etc/mk.conf.
1.1 abs 159:
160: ---cut here---
161: #!/bin/sh
162: . /etc/mk.conf
163:
164: if [ -z $BSDSRCDIR ] ; then
165: BSDSRCDIR=/usr/src
166: fi
167: if [ \! -d $BSDSRCDIR ] ; then
168: echo Unable to find sources
169: exit 1
170: fi
171: find $BSDSRCDIR -name \*.o -o -name obj.\* -o -name obj -exec rm \{\} \;
172:
173: if [ -z $BSDOBJDIR ] ; then
174: BSDOBJDIR=/usr/obj
175: fi
176: if [ -d $BSDOBJDIR ] ; then
177: rm -rf $BSDOBJDIR
178: fi
179:
180: cd $BSDSRCDIR && make cleandir
181:
182: ---cut here---
183:
184: Critical utilities:
185: ^^^^^^^^^^^^^^^^^^^
186: gnu/usr.bin/egcs
1.3 itojun 187: usr.bin/compile_et
1.1 abs 188: usr.bin/make
189: usr.bin/yacc
190: usr.bin/lex
1.11 lukem 191: usr.bin/xlint
1.2 mrg 192: usr.sbin/config
1.1 abs 193:
194: Other problems and possibly solutions:
195: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
196: Symptom:Unreasonable compiler errors.
197: Fix: Rebuild gnu/usr.bin/egcs
198:
199: Symptom:Complaints involving a Makefile.
1.17 erh 200: Fix: Rebuild usr.bin/make:
201: cd usr.bin/make && make && make install
202: Or, a failsafe method if that doesn't work:
203: cd usr.bin/make && cc *.c */*.c -I . -o make && mv make /usr/bin
204:
1.1 abs 205: Fix: Make sure .mk files are up to date.
206: cd share/mk && make install
1.2 mrg 207:
208: Symptom:Kernel `config' fails to configure any kernel, including GENERIC.
209: Fix: Rebuild usr.sbin/config
1.1 abs 210:
211: Symptom:
212: Fix: Rebuild usr.bin/yacc
213:
214: Symptom:
215: Fix: Rebuild usr.bin/lex
216:
217: Symptom:
218: Fix: rm /usr/lib/libbfd.a
1.4 itojun 219:
220: Symptom:Obsolete intermediate files are used during compilation
221: Fix: Try the following sequence of commands in the directory in question.
222: make cleandir; rm `make print-objdir`; make cleandir; make obj
223: (If you built the tree without "make obj" in the past, obsolete files
224: may remain. The command tries to clean everything up)
1.5 wiz 225:
226: Symptom:.../sysinst/run.c:xx: warning: initialization from incompatible pointer type
227: Fix: Rebuild and install usr.bin/menuc
1.12 itojun 228:
229: Symptom:mklocale not found during build in share/locale/ctype
230: Fix: Build and install usr.bin/mklocale
1.13 dogcow 231:
232: Symptom:undefined reference to `__assert13'
233: Fix: Rebuild and install lib/libc
234:
1.19 cgd 235: Symptom:usr.sbin/config fails to build.
236: Fix: Try building with -DMAKE_BOOTSTRAP added to CFLAGS in Makefile.
1.13 dogcow 237:
1.19 cgd 238: Symptom:undefined reference to `getprogname' or `setprogname'
239: Fix: Rebuild and install lib/libc
1.24 abs 240:
241: Symptom:lint does not understand the '-X' option
242: Fix: May need to build & install libs with NOLINT=1 before rebuilding lint
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