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<!-- $NetBSD: examples.xml,v 1.12 2007/06/01 11:07:24 rillig Exp $ -->
<appendix id="examples">
<title>A simple example package: bison</title>
<para>We checked to find a piece of software that wasn't in the packages
collection, and picked GNU bison. Quite why someone would want to have
<command>bison</command> when Berkeley <command>yacc</command> is already
present in the tree is beyond us, but it's useful for the purposes of
this exercise.</para>
<sect1 id="example-files">
<title>files</title>
<sect2 id="example-Makefile">
<title>Makefile</title>
<programlisting>
# $NetBSD$
#
DISTNAME= bison-1.25
CATEGORIES= devel
MASTER_SITES= ${MASTER_SITE_GNU}
MAINTAINER= thorpej@NetBSD.org
HOMEPAGE= http://www.gnu.org/software/bison/bison.html
COMMENT= GNU yacc clone
GNU_CONFIGURE= yes
INFO_FILES= bison.info
.include "../../mk/bsd.pkg.mk"
</programlisting>
</sect2>
<sect2 id="example-descr">
<title>DESCR</title>
<programlisting>
GNU version of yacc. Can make re-entrant parsers, and numerous other
improvements. Why you would want this when Berkeley &man.yacc.1; is part
of the &os; source tree is beyond me.
</programlisting>
</sect2>
<sect2 id="example-plist">
<title>PLIST</title>
<programlisting>
@comment $NetBSD$
bin/bison
man/man1/bison.1.gz
share/bison.simple
share/bison.hairy
</programlisting>
</sect2>
<sect2 id="checking-package-with-pkglint">
<title>Checking a package with <command>pkglint</command></title>
<para>The NetBSD package system comes with
<filename role="pkg">pkgtools/pkglint</filename>
which helps to check the contents of these
files. After installation it is quite easy to use, just change to the
directory of the package you wish to examine and execute
<command>pkglint</command>:</para>
<screen>&uprompt; <userinput>pkglint</userinput>
looks fine.</screen>
<para>Depending on the supplied command line arguments (see pkglint(1)),
more checks will be performed. Use e.g. <command>pkglint -Call
-Wall</command> for a very thorough check.</para>
</sect2>
</sect1>
<sect1 id="steps-for-b-i-p">
<title>Steps for building, installing, packaging</title>
<para>Create the directory where the package lives,
plus any auxiliary directories:</para>
<screen>&rprompt; <userinput>cd /usr/pkgsrc/lang</userinput>
&rprompt; <userinput>mkdir bison</userinput>
&rprompt; <userinput>cd bison</userinput>
&rprompt; <userinput>mkdir patches</userinput></screen>
<para>Create <filename>Makefile</filename>, <filename>DESCR</filename> and
<filename>PLIST</filename> (see <xref linkend="components"/>)
then continue with fetching the distfile:</para>
<screen>&rprompt; <userinput>make fetch</userinput>
>> bison-1.25.tar.gz doesn't seem to exist on this system.
>> Attempting to fetch from ftp://prep.ai.mit.edu/pub/gnu//.
Requesting ftp://prep.ai.mit.edu/pub/gnu//bison-1.25.tar.gz (via ftp://orpheus.amdahl.com:80/)
ftp: Error retrieving file: 500 Internal error
>> Attempting to fetch from ftp://wuarchive.wustl.edu/systems/gnu//.
Requesting ftp://wuarchive.wustl.edu/systems/gnu//bison-1.25.tar.gz (via ftp://orpheus.amdahl.com:80/)
ftp: Error retrieving file: 500 Internal error
>> Attempting to fetch from ftp://ftp.freebsd.org/pub/FreeBSD/distfiles//.
Requesting ftp://ftp.freebsd.org/pub/FreeBSD/distfiles//bison-1.25.tar.gz (via ftp://orpheus.amdahl.com:80/)
Successfully retrieved file.</screen>
<para>Generate the checksum of the distfile into
<filename>distinfo</filename>:</para>
<screen>&rprompt; <userinput>make makedistinfo</userinput></screen>
<para>Now compile:</para>
<screen>&rprompt; <userinput>make</userinput>
>> Checksum OK for bison-1.25.tar.gz.
===> Extracting for bison-1.25
===> Patching for bison-1.25
===> Ignoring empty patch directory
===> Configuring for bison-1.25
creating cache ./config.cache
checking for gcc... cc
checking whether we are using GNU C... yes
checking for a BSD compatible install... /usr/bin/install -c -o bin -g bin
checking how to run the C preprocessor... cc -E
checking for minix/config.h... no
checking for POSIXized ISC... no
checking whether cross-compiling... no
checking for ANSI C header files... yes
checking for string.h... yes
checking for stdlib.h... yes
checking for memory.h... yes
checking for working const... yes
checking for working alloca.h... no
checking for alloca... yes
checking for strerror... yes
updating cache ./config.cache
creating ./config.status
creating Makefile
===> Building for bison-1.25
cc -c -DSTDC_HEADERS=1 -DHAVE_STRING_H=1 -DHAVE_STDLIB_H=1 -DHAVE_MEMORY_H=1 -DHAVE_ALLOCA=1 -DHAVE_STRERROR=1 -I./../include -g LR0.c
cc -c -DSTDC_HEADERS=1 -DHAVE_STRING_H=1 -DHAVE_STDLIB_H=1 -DHAVE_MEMORY_H=1 -DHAVE_ALLOCA=1 -DHAVE_STRERROR=1 -I./../include -g allocate.c
cc -c -DSTDC_HEADERS=1 -DHAVE_STRING_H=1 -DHAVE_STDLIB_H=1 -DHAVE_MEMORY_H=1 -DHAVE_ALLOCA=1 -DHAVE_STRERROR=1 -I./../include -g closure.c
cc -c -DSTDC_HEADERS=1 -DHAVE_STRING_H=1 -DHAVE_STDLIB_H=1 -DHAVE_MEMORY_H=1 -DHAVE_ALLOCA=1 -DHAVE_STRERROR=1 -I./../include -g conflicts.c
cc -c -DSTDC_HEADERS=1 -DHAVE_STRING_H=1 -DHAVE_STDLIB_H=1 -DHAVE_MEMORY_H=1 -DHAVE_ALLOCA=1 -DHAVE_STRERROR=1 -I./../include -g derives.c
cc -c -DXPFILE=\"/usr/pkg/share/bison.simple\" -DXPFILE1=\"/usr/pkg/share/bison.hairy\" -DSTDC_HEADERS=1 -DHAVE_STRING_H=1 -DHAVE_STDLIB_H=1 -DHAVE_MEMORY_H=1 -DHAVE_ALLOCA=1 -DHAVE_STRERROR=1 -g ./files.c
cc -c -DSTDC_HEADERS=1 -DHAVE_STRING_H=1 -DHAVE_STDLIB_H=1 -DHAVE_MEMORY_H=1 -DHAVE_ALLOCA=1 -DHAVE_STRERROR=1 -I./../include -g getargs.c
cc -c -DSTDC_HEADERS=1 -DHAVE_STRING_H=1 -DHAVE_STDLIB_H=1 -DHAVE_MEMORY_H=1 -DHAVE_ALLOCA=1 -DHAVE_STRERROR=1 -I./../include -g gram.c
cc -c -DSTDC_HEADERS=1 -DHAVE_STRING_H=1 -DHAVE_STDLIB_H=1 -DHAVE_MEMORY_H=1 -DHAVE_ALLOCA=1 -DHAVE_STRERROR=1 -I./../include -g lalr.c
cc -c -DSTDC_HEADERS=1 -DHAVE_STRING_H=1 -DHAVE_STDLIB_H=1 -DHAVE_MEMORY_H=1 -DHAVE_ALLOCA=1 -DHAVE_STRERROR=1 -I./../include -g lex.c
cc -c -DSTDC_HEADERS=1 -DHAVE_STRING_H=1 -DHAVE_STDLIB_H=1 -DHAVE_MEMORY_H=1 -DHAVE_ALLOCA=1 -DHAVE_STRERROR=1 -I./../include -g main.c
cc -c -DSTDC_HEADERS=1 -DHAVE_STRING_H=1 -DHAVE_STDLIB_H=1 -DHAVE_MEMORY_H=1 -DHAVE_ALLOCA=1 -DHAVE_STRERROR=1 -I./../include -g nullable.c
cc -c -DSTDC_HEADERS=1 -DHAVE_STRING_H=1 -DHAVE_STDLIB_H=1 -DHAVE_MEMORY_H=1 -DHAVE_ALLOCA=1 -DHAVE_STRERROR=1 -I./../include -g output.c
cc -c -DSTDC_HEADERS=1 -DHAVE_STRING_H=1 -DHAVE_STDLIB_H=1 -DHAVE_MEMORY_H=1 -DHAVE_ALLOCA=1 -DHAVE_STRERROR=1 -I./../include -g print.c
cc -c -DSTDC_HEADERS=1 -DHAVE_STRING_H=1 -DHAVE_STDLIB_H=1 -DHAVE_MEMORY_H=1 -DHAVE_ALLOCA=1 -DHAVE_STRERROR=1 -I./../include -g reader.c
cc -c -DSTDC_HEADERS=1 -DHAVE_STRING_H=1 -DHAVE_STDLIB_H=1 -DHAVE_MEMORY_H=1 -DHAVE_ALLOCA=1 -DHAVE_STRERROR=1 -I./../include -g reduce.c
cc -c -DSTDC_HEADERS=1 -DHAVE_STRING_H=1 -DHAVE_STDLIB_H=1 -DHAVE_MEMORY_H=1 -DHAVE_ALLOCA=1 -DHAVE_STRERROR=1 -I./../include -g symtab.c
cc -c -DSTDC_HEADERS=1 -DHAVE_STRING_H=1 -DHAVE_STDLIB_H=1 -DHAVE_MEMORY_H=1 -DHAVE_ALLOCA=1 -DHAVE_STRERROR=1 -I./../include -g warshall.c
cc -c -DSTDC_HEADERS=1 -DHAVE_STRING_H=1 -DHAVE_STDLIB_H=1 -DHAVE_MEMORY_H=1 -DHAVE_ALLOCA=1 -DHAVE_STRERROR=1 -I./../include -g version.c
cc -c -DSTDC_HEADERS=1 -DHAVE_STRING_H=1 -DHAVE_STDLIB_H=1 -DHAVE_MEMORY_H=1 -DHAVE_ALLOCA=1 -DHAVE_STRERROR=1 -I./../include -g getopt.c
cc -c -DSTDC_HEADERS=1 -DHAVE_STRING_H=1 -DHAVE_STDLIB_H=1 -DHAVE_MEMORY_H=1 -DHAVE_ALLOCA=1 -DHAVE_STRERROR=1 -I./../include -g getopt1.c
cc -g -o bison LR0.o allocate.o closure.o conflicts.o derives.o files.o getargs.o gram.o lalr.o lex.o main.o nullable.o output.o print.o reader.o reduce.o symtab.o warshall.o version.o getopt.o getopt1.o
./files.c:240: warning: mktemp() possibly used unsafely, consider using mkstemp()
rm -f bison.s1
sed -e "/^#line/ s|bison|/usr/pkg/share/bison|" < ./bison.simple > bison.s1</screen>
<para>Everything seems OK, so install the files:</para>
<screen>&rprompt; <userinput>make install</userinput>
>> Checksum OK for bison-1.25.tar.gz.
===> Installing for bison-1.25
sh ./mkinstalldirs /usr/pkg/bin /usr/pkg/share /usr/pkg/info /usr/pkg/man/man1
rm -f /usr/pkg/bin/bison
cd /usr/pkg/share; rm -f bison.simple bison.hairy
rm -f /usr/pkg/man/man1/bison.1 /usr/pkg/info/bison.info*
install -c -o bin -g bin -m 555 bison /usr/pkg/bin/bison
/usr/bin/install -c -o bin -g bin -m 644 bison.s1 /usr/pkg/share/bison.simple
/usr/bin/install -c -o bin -g bin -m 644 ./bison.hairy /usr/pkg/share/bison.hairy
cd .; for f in bison.info*; do /usr/bin/install -c -o bin -g bin -m 644 $f /usr/pkg/info/$f; done
/usr/bin/install -c -o bin -g bin -m 644 ./bison.1 /usr/pkg/man/man1/bison.1
===> Registering installation for bison-1.25</screen>
<para>You can now use bison, and also - if you decide so - remove it with
<command>pkg_delete bison</command>. Should you decide that you want a
binary package, do this now:</para>
<screen>&rprompt; <userinput>make package</userinput>
>> Checksum OK for bison-1.25.tar.gz.
===> Building package for bison-1.25
Creating package bison-1.25.tgz
Registering depends:.
Creating gzip'd tar ball in '/u/pkgsrc/lang/bison/bison-1.25.tgz'</screen>
<para>Now that you don't need the source and object files
any more, clean up:</para>
<screen>&rprompt; <userinput>make clean</userinput>
===> Cleaning for bison-1.25</screen>
</sect1>
</appendix>
|
