📄 linuxenv.htm

📁 一份51的编译程序,dos版本的. 英文名字MCS-51 Microcontroller Family Macro Assembler

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<STRONG><U>II.2.4 Linux Environment</U></STRONG>
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<P>
To specify a search path for include files, an optional environment variable
ASEM51INC can be defined:
</P>

<P>
1.) &nbsp; For bash, ksh, and sh:
<BLOCKQUOTE>
<STRONG><PRE>
    ASEM51INC=&lt;path&gt;
    export ASEM51INC
</PRE></STRONG>
</BLOCKQUOTE>
</P>

<P>
2.) &nbsp; For csh, tcsh, and zsh:
<BLOCKQUOTE>
<STRONG><PRE>
    setenv ASEM51INC &lt;path&gt;
</PRE></STRONG>
</BLOCKQUOTE>
</P>

<P>
&lt;path&gt; may be any number of directories separated by ':' characters.
Be sure that the whole definition doesn't contain any blanks or tabs!<BR>
If ASEM51INC is defined, the assembler searches the specified &lt;path&gt; for
include files that can neither be found in the working directory, nor in
the search path specified with the <NOBR>--includes</NOBR> option.<BR>
The &lt;path&gt; directories will be searched from left to right.
</P>

<P>
<BR>
<STRONG>Examples:</STRONG>
<BLOCKQUOTE>
1.) &nbsp; bash:
<STRONG><PRE>
      ASEM51INC=/usr/local/include/asem-51:~/micros/mcs51/inc
      export ASEM51INC
</PRE></STRONG>
<BLOCKQUOTE>
If include files can neither be found in the working directory,
nor in the <NOBR>--includes</NOBR> path (if specified), the assembler searches
next <NOBR>/usr/local/include/asem-51</NOBR> and finally ~/micros/mcs51/inc.
</BLOCKQUOTE>
2.) &nbsp; csh:
<STRONG><PRE>
      setenv ASEM51INC /usr/local/include/asem-51
</PRE></STRONG>
<BLOCKQUOTE>
If ASEM51INC is defined as above in .login, the assembler finally searches
the directory <NOBR>/usr/local/include/asem-51</NOBR> for include files.
</BLOCKQUOTE>
</BLOCKQUOTE>
</P>

<P>
The maximum length of &lt;path&gt; is limited to 255 characters.
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