Sophie: sdcc-3.0.0-0.fc14 x86

sdcc-3.0.0-0.fc14.x86_64.rpm

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<H2><A NAME="SECTION00413000000000000000">
3.1.3 Projects with Multiple Source Files</A>
</H2>

<P>
SDCC can compile only ONE file at a time. Let us for example assume
that you have a project containing the following files:
<BR>
<BR>
foo1.c (contains some functions)
<BR>
foo2.c (contains some more functions)
<BR>
foomain.c (contains more functions and the function main)
<BR>
<BR>
The first two files will need to be compiled separately with the
commands:<FONT SIZE="-1"> </FONT>
<BR>
<BR><I><B>sdcc&nbsp;-c&nbsp;foo1.c</B></I>
<BR><I><B>sdcc&nbsp;-c&nbsp;foo2.c</B></I>
<BR>
<BR>
Then compile the source file containing the <I>main()</I> function
and link<A NAME="750"></A> the files together with the following command:

<BR>
<BR><I><B>sdcc&nbsp;foomain.c&nbsp;foo1.rel&nbsp;foo2.rel</B></I><A NAME="752"></A>
<BR>
<BR>
Alternatively, <I>foomain.c</I> can be separately compiled as well:
<BR>
<BR><I><B>sdcc&nbsp;-c&nbsp;foomain.c</B></I>
<BR><I><B>sdcc foomain.rel foo1.rel foo2.rel</B></I>
<BR>
<BR>
The file containing the <I>main()</I> function <SMALL>MUST</SMALL> be the
<SMALL>FIRST</SMALL> file specified in the command line, since the linkage
editor processes file in the order they are presented to it. The linker
is invoked from SDCC using a script file with extension .lnk<A NAME="762"></A>.
You can view this file to troubleshoot linking problems such as those
arising from missing libraries.

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2011-03-20
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