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<html>
<head>
<title>Building egcs-1.0 </title>
</head>
<body bgcolor="white">
<h1 align="center">Building egcs-1.0</h1>
<p>Now that egcs is configured, you are ready to build the compiler and
runtime libraries.
<p>We <b>highly</b> recommend that egcs be built using gnu-make; other
versions make work, then again they might not. To be safe build with gnu-make.
<p><b>Building a native compiler</b>
<p>For a native build issue the command "make bootstrap". This will build
the entire egcs compiler system, which includes the following steps:
<ul>
<li> Build host tools necessary to build the compiler such as texinfo, bison,
gperf.<p>
<li> Build target tools for use by the compiler such as gas, gld, and
binutils.<p>
<li> Perform a 3-stage bootstrap of the compiler.<p>
<li> Perform a comparison test of the stage2 and stage3 compilers.<p>
<li> Build runtime libraries using the stage3 compiler from the previous
step.<p>
</ul>
<p>If you are short on disk space you might consider "make bootstrap-lean"
instead. This is identical to "make bootstrap" except that object files
from the stage1 and stage2 of the 3-stage bootstrap of the compiler are
deleted as soon as they are no longer needed.
<p><b>Building a cross compiler</b>
<p> We recommend reading the
<a href="ftp://ftp.cygnus.com/pub/embedded/crossgcc/FAQ-0.8.1">
crossgcc FAQ</a> for information about building cross compilers.
<p>For a cross build, issue the command "make cross", which performs the
following steps:
<ul>
<li> Build host tools necessary to build the compiler such as texinfo, bison,
gperf.<p>
<li> Build target tools for use by the compiler such as gas, gld, and
binutils.<p>
<li> Build the compiler (single stage only).<p>
<li> Build runtime libraries using the compiler from the previous
step.<p>
</ul>
<p>Note that if an error occurs in any step the make process will exit.
<p>
<hr>
<i>Last modified on December 2, 1997.</i>
</body>
</html>
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