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<HTML><HEAD><TITLE>Installation</TITLE><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.74b"><LINKREL="HOME"TITLE="Libodbc++ Installation"HREF="book1.html"><LINKREL="PREVIOUS"TITLE="QT"HREF="qt.html"><LINKREL="NEXT"TITLE="Win32"HREF="win32.html"></HEAD><BODYCLASS="CHAPTER"><DIVCLASS="NAVHEADER"><TABLESUMMARY="Header navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">Libodbc++ Installation</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="qt.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom"></TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="win32.html"ACCESSKEY="N">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><DIVCLASS="CHAPTER"><H1><ANAME="INSTALLATION">Chapter 2. Installation</A></H1><DIVCLASS="TOC"><DL><DT><B>Table of Contents</B></DT><DT><AHREF="installation.html#UNIX">UNIX</A></DT><DT><AHREF="win32.html">Win32</A></DT></DL></DIV><DIVCLASS="SECT1"><H1CLASS="SECT1"><ANAME="UNIX">UNIX</A></H1><P>The following information applies for installing <SPANCLASS="APPLICATION">libodbc++</SPAN> on unices.</P><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="CONFIGURATION">Configuration</A></H2><P>First, you need to configure <SPANCLASS="APPLICATION">libodbc++</SPAN> for your system. Go into the source directory and do: <TABLEBORDER="0"BGCOLOR="#E0E0E0"WIDTH="100%"><TR><TD><PRECLASS="SCREEN"><TTCLASS="PROMPT">$ </TT><TTCLASS="USERINPUT"><B><BCLASS="COMMAND">./configure</B></B></TT></PRE></TD></TR></TABLE> or, if <SPANCLASS="APPLICATION">iODBC</SPAN> isn't installed in it's default location <TTCLASS="FILENAME">/usr/local</TT>, do: <TABLEBORDER="0"BGCOLOR="#E0E0E0"WIDTH="100%"><TR><TD><PRECLASS="SCREEN"><TTCLASS="PROMPT">$ </TT><TTCLASS="USERINPUT"><B><BCLASS="COMMAND">./configure</B> --with-iodbc=<TTCLASS="REPLACEABLE"><I>DIR</I></TT></B></TT></PRE></TD></TR></TABLE> This will make <BCLASS="COMMAND">./configure</B> look for <SPANCLASS="APPLICATION">iODBC</SPAN> in <TTCLASS="FILENAME"><TTCLASS="REPLACEABLE"><I>DIR</I></TT>/include</TT> and <TTCLASS="FILENAME"><TTCLASS="REPLACEABLE"><I>DIR</I></TT>/lib</TT>.</P><P>If you aren't using <SPANCLASS="APPLICATION">iODBC</SPAN>, try <TABLEBORDER="0"BGCOLOR="#E0E0E0"WIDTH="100%"><TR><TD><PRECLASS="SCREEN"><TTCLASS="PROMPT">$ </TT><TTCLASS="USERINPUT"><B><BCLASS="COMMAND">./configure</B> --with-odbc=<TTCLASS="REPLACEABLE"><I>DIR</I></TT></B></TT></PRE></TD></TR></TABLE> This works the same as above, except it looks for standard <SPANCLASS="ACRONYM">ODBC</SPAN> headers and libraries instead of the <SPANCLASS="APPLICATION">iODBC</SPAN>-specific ones. This should be used with for example <SPANCLASS="APPLICATION">unixODBC</SPAN> and <SPANCLASS="APPLICATION">Merant driver manager</SPAN>.</P><P>If you wish to install <SPANCLASS="APPLICATION">libodbc++</SPAN> in a location other than <TTCLASS="FILENAME">/usr/local</TT>, add <TTCLASS="USERINPUT"><B>--prefix=<TTCLASS="REPLACEABLE"><I>PREFIX</I></TT></B></TT> to the <BCLASS="COMMAND">./configure</B> arguments.</P><P>If the c++ compiler you wish to use to compile this package isn't the system default one, you will need to set the environment variable <TTCLASS="ENVAR">CXX</TT> to the name of it's executable. For example, if you have an old <SPANCLASS="APPLICATION">gcc</SPAN> or <SPANCLASS="APPLICATION">egcs</SPAN> as a system default compiler, but installed a newer <SPANCLASS="APPLICATION">gcc</SPAN> in <TTCLASS="FILENAME">/usr/local/gcc</TT>, do like this: <TABLEBORDER="0"BGCOLOR="#E0E0E0"WIDTH="100%"><TR><TD><PRECLASS="SCREEN"><TTCLASS="PROMPT">$ </TT><TTCLASS="USERINPUT"><B><TTCLASS="ENVAR">CXX=/usr/local/egcs/bin/c++</TT> <BCLASS="COMMAND">./configure</B> --with-iodbc</B></TT></PRE></TD></TR></TABLE> </P><P>If you wish to enable support for multithreaded programs, add <TTCLASS="USERINPUT"><B>--enable-threads</B></TT> to the <BCLASS="COMMAND">./configure</B> arguments. On UNIX, this requires pthreads and will probably not yet work on anything else than linux and solaris. The library built will have suffix <TTCLASS="FILENAME">'-mt'</TT> appended to it's name if threads are enabled.</P><P>If you wish to enable support for <SPANCLASS="APPLICATION">QT</SPAN>, use the <TTCLASS="USERINPUT"><B>--with-qt</B></TT> argument. You can optionally specify where your QT lives by using <TTCLASS="USERINPUT"><B>--with-qt=<TTCLASS="REPLACEABLE"><I>QTDIR</I></TT></B></TT>. The <TTCLASS="USERINPUT"><B>--with-qt-includes=<TTCLASS="REPLACEABLE"><I>DIR</I></TT></B></TT>, <TTCLASS="USERINPUT"><B>--with-qt-libs=<TTCLASS="REPLACEABLE"><I>DIR</I></TT></B></TT> and <TTCLASS="USERINPUT"><B>--with-qt-moc=<TTCLASS="REPLACEABLE"><I>PATH</I></TT></B></TT> options might be handy if you have a strange <SPANCLASS="APPLICATION">QT</SPAN> installation. This will compile a second version of the library named <TTCLASS="FILENAME">libodbc++_qt</TT> in the subdirectory <TTCLASS="FILENAME">qt</TT>. Note that you must define <TTCLASS="VARNAME">ODBCXX_QT</TT> when compiling a program that links with <TTCLASS="FILENAME">libodbc++_qt</TT>.</P><P>The two "demo" programs that come with <SPANCLASS="APPLICATION">libodbc++</SPAN> aren't built by default. To enable them, use <TTCLASS="USERINPUT"><B>--with-isqlxx</B></TT> and/or <TTCLASS="USERINPUT"><B>--with-qtsqlxx</B></TT> to build <SPANCLASS="APPLICATION">isql++</SPAN> respectively <SPANCLASS="APPLICATION">qtsql++</SPAN>.</P><P>By default, a number of test programs are built with the library. If you do not wish to build them, use <TTCLASS="USERINPUT"><B>--without-tests</B></TT>.</P><P>You can control the <SPANCLASS="ACRONYM">ODBC</SPAN> version <SPANCLASS="APPLICATION">libodbc++</SPAN> uses by specifying: <TTCLASS="USERINPUT"><B>--with-odbc-version=<TTCLASS="REPLACEABLE"><I>ODBCVER</I></TT></B></TT>, where <TTCLASS="REPLACEABLE"><I>ODBCVER</I></TT> should be a four-digit hexadecimal value representing the <SPANCLASS="ACRONYM">ODBC</SPAN> version. For example: <TABLEBORDER="0"BGCOLOR="#E0E0E0"WIDTH="100%"><TR><TD><PRECLASS="SCREEN"><TTCLASS="PROMPT">$ </TT><TTCLASS="USERINPUT"><B><BCLASS="COMMAND">./configure</B> --with-odbc-version=0x0250</B></TT></PRE></TD></TR></TABLE> would make <SPANCLASS="APPLICATION">libodbc++</SPAN> use <SPANCLASS="ACRONYM">ODBC</SPAN> version 2.50.</P></DIV><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="COMPILATION">Compilation</A></H2><P>Just type: <TABLEBORDER="0"BGCOLOR="#E0E0E0"WIDTH="100%"><TR><TD><PRECLASS="SCREEN"><TTCLASS="PROMPT">$ </TT><TTCLASS="USERINPUT"><B>make</B></TT></PRE></TD></TR></TABLE> </P><P>If it all goes well, you can try a couple of the test programs in <TTCLASS="FILENAME">tests/</TT>. You'll need to configure some datasources before running most of the tests. For simply reality-checking your current ODBC setup, you can try running <TTCLASS="FILENAME">tests/dmtest</TT>, which lists all available datasources and drivers.</P></DIV><DIVCLASS="SECT2"><H2CLASS="SECT2"><ANAME="INSTALLING-LIBODBC">Installing libodbc++</A></H2><P>If you have write privileges in <TTCLASS="LITERAL">PREFIX</TT>, just do: <TABLEBORDER="0"BGCOLOR="#E0E0E0"WIDTH="100%"><TR><TD><PRECLASS="SCREEN"><TTCLASS="PROMPT">$ </TT><TTCLASS="USERINPUT"><B>make install</B></TT></PRE></TD></TR></TABLE> Otherwise, you'll have to use: <TABLEBORDER="0"BGCOLOR="#E0E0E0"WIDTH="100%"><TR><TD><PRECLASS="SCREEN"><TTCLASS="PROMPT">$ </TT><TTCLASS="USERINPUT"><B>su root -c 'make install'</B></TT></PRE></TD></TR></TABLE></P></DIV></DIV></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLESUMMARY="Footer navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="qt.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="book1.html"ACCESSKEY="H">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="win32.html"ACCESSKEY="N">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">QT</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"> </TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">Win32</TD></TR></TABLE></DIV></BODY></HTML>⌨️ 快捷键说明
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