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<HEAD><LINK HREF="mailto:drh@microsoft.com" REV="made" TITLE="David R. Hanson">
<TITLE>CII Installation Guide</TITLE></HEAD>
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<H1>CII Installation Guide</H1>
<P ALIGN="LEFT"><B><A HREF="http://www.research.microsoft.com/~drh/">David R.
Hanson</A>, <A HREF="http://www.research.microsoft.com/">Microsoft Research</A></B></P>
<H2>Contents</H2>
<DIR>
<LI><A HREF="#intro">Introduction</A></LI>
<LI><A HREF="#unix">Installation on UNIX
</A></LI>
<LI><A HREF="#win32">Installation on Windows 95/NT</A></LI>
<LI><A HREF="#bugs">Reporting Bugs</A>
</LI>
<LI><A HREF="#mailinglist">Keeping in Touch</A></LI></DIR>
<H2><A NAME="intro">Introduction</A></H2>
<P>This page describes how to install the software from my book <CITE><A
HREF="http://www.awl.com/cseng/titles/0-201-49841-3/">C Interfaces and
Implementations: Techniques for Creating Reusable Software</A></CITE> (<A
HREF="http://cseng.aw.com/seriesdetail.qry?SeriesID=4">Addison-Wesley
Professional Computing Series</A>, 1997, ISBN 0-201-49841-3). A CII distribution
includes the following files and directories.</P>
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="2">
<TR>
<TD><CODE><A HREF="README">README</A></CODE></TD>
<TD></TD>
<TD>distribution identification</TD></TR>
<TR>
<TD><CODE><A HREF="CPYRIGHT">CPYRIGHT</A></CODE></TD>
<TD></TD>
<TD>copyright statement</TD></TR>
<TR>
<TD><CODE><A HREF="packing.lst">packing.lst</A></CODE></TD>
<TD></TD>
<TD>a list of the files in the distribution</TD></TR>
<TR>
<TD><CODE><A HREF="install.html">install.html</A></CODE></TD>
<TD></TD>
<TD>this file</TD></TR>
<TR>
<TD><CODE><A HREF="history.html">history.html</A></CODE></TD>
<TD></TD>
<TD>describes the distribution's revision history</TD></TR>
<TR>
<TD><CODE><A HREF="makefile">makefile</A></CODE></TD>
<TD></TD>
<TD>UNIX makefile</TD></TR>
<TR>
<TD><CODE><A HREF="makefile.nt">makefile.nt</A></CODE></TD>
<TD></TD>
<TD>Windows 95/NT makefile</TD></TR>
<TR>
<TD><CODE><A HREF="include">include</A>/*.h</CODE></TD>
<TD></TD>
<TD>interfaces (<CODE>.h</CODE> files) for the CII library</TD></TR>
<TR>
<TD><CODE><A HREF="src">src</A>/*.c</CODE></TD>
<TD></TD>
<TD>implementations (<CODE>.c</CODE> files) for the CII library</TD></TR>
<TR>
<TD><CODE><A HREF="examples">examples</A>/*.[ch]</CODE></TD>
<TD></TD>
<TD>example clients, including those from the book</TD></TR></TABLE>
<P>The CII distributions are numbered <EM>X.Y</EM> where <EM>X</EM> is the
major release number and <EM>Y</EM> is the minor release number. Starting with
major release 1, minor releases fix bugs and perhaps make improvements, but do
<STRONG>not</STRONG> change interfaces. The interfaces and the compiled library
are compatible with earlier and later minor releases; for example, a program
compiled with the 1.3 release is compatible with release 1.8 and vice versa.
Major releases occur when one or more interfaces are changed or extended, or
when new interfaces are added.</P>
<P>It's usually best to follow a similar naming scheme when installing CII so
that programs compiled with one major release can be recompiled even after a
subsequent major release has been installed. The minor release number can be
omitted. On UNIX, for example, this convention can be accomplished by installing
the interfaces in, say,
<CODE>/usr/local/lib/cii/</CODE><EM>X</EM><CODE>/include</CODE>, where <EM>X</EM>
is the major release number, and installing the library, <CODE>libcii.a</CODE>,
in
<CODE>/usr/local/lib/cii/</CODE><EM>X</EM><CODE>/libcii.a</CODE>.</P>
<P>At UNIX sites with multiple platforms (architectures and OSes) and a single
<CODE>/usr/local</CODE> hierarchy, the library can be installed in a
platform-specific location below <CODE>/usr/local/cii/</CODE><EM>X</EM>, e.g.,
<CODE>/usr/local/lib/cii/</CODE><EM>X</EM><CODE>/alpha-osf/libcii.a</CODE>.
The interfaces are machine independent and thus don't need platform-specific
locations. Similar conventions can be used on Windows 95/NT.</P>
<P>Following this scheme permits the actual installation locations to be
confined to specifying prefixes, like <CODE>/usr/local/lib/cii/</CODE><EM>X</EM><CODE>/include</CODE>
and
<CODE>/usr/local/lib/cii/</CODE><EM>X</EM><CODE>/</CODE>, in makefiles;
programs can include interfaces by giving just the names of their header files.</P>
<P>On UNIX systems, it's also useful to plant release-independent symbol link
to the latest CII release, e.g., make <CODE>/usr/local/include/cii</CODE> point
to <CODE>/usr/local/lib/cii/</CODE><EM>X</EM><CODE>/include</CODE> and
<CODE>/usr/local/lib/libcii.a</CODE> point to <CODE>/usr/local/lib/cii/</CODE><EM>X</EM><CODE>/libcii.a</CODE>.</P>
<P><STRONG>NB</STRONG>: If you use several compilers, you may need
compiler-specific variants of <CODE>libcii.a</CODE>, and thus use platform
names that denote a specific architecture, OS, <STRONG>and</STRONG> compiler.
For example, the Text interface uses small structures and passes them by value,
and, on some platforms, one C compiler might generate code for <CODE>src/text.c</CODE>
that is incompatible with another compiler. This problem is not specific to CII;
it can occur with any library.</P>
<P>The installation makefile is designed so that CII can be installed from a
read-only file system or directory, which is common in networked environments,
so the distribution can be unloaded on a central file server. If you're
installing CII on a UNIX system, continue with the next section. If you're
installing CII on a Windows NT 4.0 or Windows 95 system, read the next section
first, then follow the <A HREF="#win32">Windows NT/95 instructions</A>.</P>
<H2><A NAME="unix">Installation on UNIX</A></H2>
<P>The CII components (include files and the library) are installed in a single
<EM>build directory</EM>. On multi-platform systems supported by a central file
server, it's common to store the build directory in a location specific to the
platform and to the version of CII, as suggested above. For example,
installation on a UNIX system involves the following steps. Below, the build
directory is referred to as <CODE>BUILDDIR</CODE>, and the commands shown
assume the distribution directory is the current working directory.</P>
<OL>
<LI>Create the build directory, using a version- and platform-specific naming
convention as suggested above, and record the name of this directory in the
<CODE>BUILDDIR</CODE> environment variable:
<BLOCKQUOTE>
<PRE>% setenv BUILDDIR /usr/local/lib/cii/1/alpha-osf
% mkdir -p $BUILDDIR</PRE></BLOCKQUOTE>Here and below, commands assume the C
shell. Also, you'll need a version of <CODE>mkdir</CODE> that supports the
<CODE>-p</CODE> option, which creates intermediate directories as necessary.</LI>
<LI>Create the include directory in the build directory, and copy the include
files:
<BLOCKQUOTE>
<PRE>% mkdir $BUILDDIR/include
% cp -p include/*.h $BUILDDIR/include</PRE></BLOCKQUOTE>Some users create a
symbolic link to the include directory in the distribution instead of making
repeated copies of the include files. For example, at Princeton, the
distributions are stored under <TT>/proj/pkg/cii</TT>, so the include files are
"installed" by creating one symbolic link:
<BLOCKQUOTE>
<PRE>% ln -s /proj/pkg/cii/1.1/include $BUILDDIR/include</PRE></BLOCKQUOTE></LI>
<LI>Build everything using the appropriate make command for your environment:
<BLOCKQUOTE>
<TABLE BORDER="0" WIDTH="100%" CELLPADDING="0" CELLSPACING="2">
<TR>
<TD>ALPHA OSF/1 V3.2A:</TD>
<TD> <CODE>% make CC='cc -std1 -Dalpha' AS='as -Dalpha'</CODE></TD></TR>
<TR>
<TD>MIPS IRIX 6.2:</TD>
<TD><CODE>% make</CODE></TD></TR>
<TR>
<TD>MIPS Ultrix 4.3:</TD>
<TD><CODE>% gmake CC=gcc LD=gcc</CODE></TD></TR>
<TR>
<TD>SPARC SunOS 5.5.1 (Solaris)</TD>
<TD><CODE>% make -k THREADS=</CODE></TD></TR>
<TR>
<TD>X86 Linux/Slackware 3.3</TD>
<TD><CODE>% make CC='cc -DMAXALIGN=8' AS='cc -c -x assembler-with-cpp
-traditional'</CODE></TD></TR></TABLE></BLOCKQUOTE>This command builds, in
<CODE>BUILDDIR</CODE>, <CODE>libcii.a</CODE>, <CODE>memchk.o</CODE>, and the
examples. There may be some warnings on some platforms. The assignment <CODE>THREADS=</CODE>
appears on those platforms for which there is no Thread implementation. On these
platforms, examples that use Thread won't link correctly, so use the <CODE>-k</CODE>
option cause make to keep going. <CODE>MAXALIGN</CODE> is explained in <CODE><A
HREF="history.html">history.html</A></CODE>.<BR><CODE>src/{memcmp,memmove,strncmp}.c</CODE>
are implementations of the similarly named ANSI library functions. These are
included in the distribution because some of them are implemented incorrectly
on some UNIX platforms. The corresponding object files are assigned to <CODE>EXTRAS</CODE>;
if some of these functions are implemented correctly on your system, you can
omit the CII versions by either editing <CODE>libcii.a</CODE>, or including the
appropriate assignment to
<CODE>EXTRAS</CODE>, e.g.,
<BLOCKQUOTE>
<PRE>% make EXTRAS=$BUILDDIR/memcmp.o</PRE></BLOCKQUOTE></LI>
<LI>The <A HREF="makefile"><CODE>makefile</CODE></A> includes the file named
by the <CODE>CUSTOM</CODE> macro; the default is <CODE>custom.mk</CODE>, and
an empty
<CODE>custom.mk</CODE> is included in the distribution. If desired, prepare a
site-specific customization file and define <CODE>CUSTOM</CODE> to the path of
that file when invoking make in the previous step. For example, on the ALPHA, I
use <CODE>osf.mk</CODE>:
<BLOCKQUOTE>
<PRE>% cat osf.mk
BUILDDIR=/usr/local/lib/cii/1/alpha-osf
CC=cc -std1 -Dalpha
AS=as -Dalpha
% make CUSTOM=osf.mk</PRE></BLOCKQUOTE></LI>
<LI>Run a few of the test programs, e.g.,
<BLOCKQUOTE>
<PRE>% $BUILDDIR/wf <makefile
% $BUILDDIR/sieve</PRE></BLOCKQUOTE>and then clean up:
<BLOCKQUOTE>
<PRE>% make clean</PRE></BLOCKQUOTE>This command removes everything except
<CODE>include</CODE> and <CODE>libcii.a</CODE>. If you want to leave <CODE>memchk.o</CODE>
installed, rebuild it, e.g.,
<BLOCKQUOTE>
<PRE>% make $BUILDDIR/memchk.o</PRE></BLOCKQUOTE><CODE>make clobber</CODE>
removes everything from <CODE>BUILDDIR</CODE>.</LI>
<LI>If desired, plant release-independent symbolic links to the include
directory and to the installed library, e.g.,
<BLOCKQUOTE>
<PRE>% ln -s $BUILDDIR/include /usr/local/include/cii
% ln -s $BUILDDIR/libcii.a /usr/local/lib/libcii.a</PRE></BLOCKQUOTE></LI></OL>
<H2><A NAME="win32">Installation on Windows 95/NT</A></H2>
<P>On Windows NT or Windows 95, you can use a directory organization similar to
the one described above for UNIX as follows. The commands below assume the
distribution is rooted at <CODE>C:\dist</CODE> and that the C compiler is
Microsoft Visual C/C++ 5.0.</P>
<OL>
<LI>Create the build directory and set <CODE>BUILDDIR</CODE>:
<BLOCKQUOTE>
<PRE>C:\dist>set BUILDDIR=\lib\cii\1
C:\dist>mkdir %BUILDDIR%</PRE></BLOCKQUOTE>Change the assignment to <CODE>BUILDDIR</CODE>
to suit your local conventions.</LI>
<LI>Create the include directory in the build directory, and copy the include
files:
<BLOCKQUOTE>
<PRE>C:\dist>mkdir %BUILDDIR%\include
C:\dist>copy include\*.h %BUILDDIR%\include</PRE></BLOCKQUOTE></LI>
<LI>Build everything using <CODE>nmake</CODE>:
<BLOCKQUOTE>
<PRE>C:\dist>nmake -f makefile.nt BUILDDIR=%BUILDDIR%</PRE></BLOCKQUOTE>This
command builds, in <CODE>BUILDDIR</CODE>, <CODE>libcii.lib</CODE>, <CODE>libcii.pdb</CODE>,
<CODE>memchk.obj</CODE>, and the examples. The default <CODE>BUILDDIR</CODE>
is
<CODE>\lib\cii\1</CODE>, so the assignment to <CODE>BUILDDIR</CODE> above can
be omitted if you use this default.</LI>
<LI>Run a few of the test programs, e.g.,
<BLOCKQUOTE>
<PRE>C:\dist>%BUILDDIR%\wf <makefile
C:\dist>%BUILDDIR%\sieve</PRE></BLOCKQUOTE>and then clean up:
<BLOCKQUOTE>
<PRE>C:\dist>nmake -f makefile.nt BUILDDIR=%BUILDDIR% clean</PRE></BLOCKQUOTE>This
command removes everything except
<CODE>include</CODE>, <CODE>libcii.a</CODE>, and <CODE>libcii.pdb</CODE>. If
you want to leave <CODE>memchk.obj</CODE> installed, rebuild it, e.g.,
<BLOCKQUOTE>
<PRE>C:\dist>nmake -f makefile.nt BUILDDIR=%BUILDDIR% %BUILDDIR%\memchk.obj</PRE></BLOCKQUOTE><CODE>make
clobber</CODE> removes everything from <CODE>BUILDDIR</CODE></LI>
<LI><CODE>src\libcii.def</CODE> is a module definition file for the CII
library. To create a DLL instead of a statically linked library, execute
<BLOCKQUOTE>
<PRE>C:\dist>nmake -f makefile.nt BUILDDIR=%BUILDDIR% libcii.dll</PRE></BLOCKQUOTE>This
command creates <CODE>%BUILDDIR%\libcii.dll</CODE>, <B>overwrites</B>
<CODE>%BUILDDIR%\libcii.lib</CODE> with the import library, and creates the
export library <CODE>%BUILDDIR%\libcii.exp</CODE>. If you use <CODE>libcii.dll</CODE>,
you'll need to move it to a directory on your <CODE>PATH</CODE>.</LI></OL>
<P>Some users copy the include and library files into their Visual C/C++ 5.0
distribution, e.g.,</P>
<BLOCKQUOTE>
<PRE>C:\dist>mkdir "\Program Files\DevStudio\VC\include\cii"
C:\dist>copy include\*.h "\Program Files\DevStudio\VC\include\cii"
C:\dist>copy %BUILDDIR%\libcii.* "\Program Files\DevStudio\VC\lib"</PRE></BLOCKQUOTE>
<H2><A NAME="bugs">Reporting Bugs</A></H2>
<P>Devise the shortest possible example program that elicits the bug. Prune
your example until it can be pruned no more without sending the error into
hiding. I prune most error demonstrations to only a few lines. Annotate your
example with C comments that describe the bug and your suggested fix, if you
have one. If the example crashes, please report the last part of the call chain
if you can.</P>
<P>Send your example by electronic mail to <CODE>cii-bugs@cs.princeton.edu</CODE>
and to <CODE>drh@microsoft.com</CODE>. Please send only valid C programs; put
all remarks in C comments so that I can process reports semiautomatically.</P>
<H2><A NAME="mailinglist">Keeping in Touch</A></H2>
<P>There is a mailing list for general information about CII. To be added to
the list, send a message with the 1-line body</P>
<BLOCKQUOTE>
<PRE>subscribe cii</PRE></BLOCKQUOTE>
<P>to <TT>majordomo@cs.princeton.edu</TT>. This line must appear in the
message body; "Subject:" lines are ignored. To learn more about
mailing lists served by <TT>majordomo</TT>, send a message with the 1-word body
"<TT>help</TT>" to <TT>majordomo@cs.princeton.edu</TT>. Mail sent
to <TT>cii@cs.princeton.edu</TT> is forwarded to everyone on the mailing list.</P>
<P>There is also an <TT>cii-bugs</TT> mailing list for reporting bugs;
subscribe to it by sending a message with the 1-line body</P>
<BLOCKQUOTE>
<PRE>subscribe cii-bugs</PRE></BLOCKQUOTE>
<P>to <TT>majordomo@cs.princeton.edu</TT>. Mail addressed to
<CODE>cii-bugs@cs.princeton.edu</CODE> is forwarded to everyone on this list.</P>
<HR>
<ADDRESS><A HREF="http://www.research.microsoft.com/~drh/">David Hanson</A> /
<A HREF="mailto:drh@microsoft.com">drh@microsoft.com</A><BR>$Revision: 1.6 $ $Date: 1997/11/05 22:32:25 $</ADDRESS></BODY></HTML>
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