223cc6685e
git-svn-id: svn://svn.compuextreme.de/Viitor/V963/Viitor_cc65@5933 504e572c-2e33-0410-9681-be2bf7408885
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240 lines
9.5 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<HTML>
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<META NAME="GENERATOR" CONTENT="LinuxDoc-Tools 0.9.20">
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<TITLE>ld65 Users Guide: Usage</TITLE>
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<LINK HREF="ld65-3.html" REL=next>
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<LINK HREF="ld65-1.html" REL=previous>
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<LINK HREF="ld65.html#toc2" REL=contents>
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</HEAD>
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<BODY>
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<A HREF="ld65-3.html">Next</A>
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<A HREF="ld65-1.html">Previous</A>
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<A HREF="ld65.html#toc2">Contents</A>
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<HR>
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<H2><A NAME="s2">2.</A> <A HREF="ld65.html#toc2">Usage</A></H2>
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<H2><A NAME="ss2.1">2.1</A> <A HREF="ld65.html#toc2.1">Command line option overview</A>
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</H2>
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<P>The linker is called as follows:</P>
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<P>
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<BLOCKQUOTE><CODE>
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<PRE>
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---------------------------------------------------------------------------
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Usage: ld65 [options] module ...
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Short options:
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-( Start a library group
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-) End a library group
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-C name Use linker config file
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-D sym=val Define a symbol
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-L path Specify a library search path
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-Ln name Create a VICE label file
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-S addr Set the default start address
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-V Print the linker version
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-h Help (this text)
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-m name Create a map file
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-o name Name the default output file
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-t sys Set the target system
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-v Verbose mode
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-vm Verbose map file
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Long options:
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--cfg-path path Specify a config file search path
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--config name Use linker config file
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--dbgfile name Generate debug information
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--define sym=val Define a symbol
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--dump-config name Dump a builtin configuration
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--end-group End a library group
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--help Help (this text)
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--lib file Link this library
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--lib-path path Specify a library search path
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--mapfile name Create a map file
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--module-id id Specify a module id
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--obj file Link this object file
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--obj-path path Specify an object file search path
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--start-addr addr Set the default start address
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--start-group Start a library group
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--target sys Set the target system
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--version Print the linker version
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---------------------------------------------------------------------------
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</PRE>
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</CODE></BLOCKQUOTE>
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</P>
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<H2><A NAME="ss2.2">2.2</A> <A HREF="ld65.html#toc2.2">Command line options in detail</A>
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</H2>
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<P>Here is a description of all the command line options:</P>
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<P>
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<DL>
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<P>
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<A NAME="option--start-group"></A> </P>
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<DT><B><CODE>-(, --start-group</CODE></B><DD><P>Start a library group. The libraries specified within a group are searched
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multiple times to resolve crossreferences within the libraries. Normally,
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crossreferences are only resolved within a library, that is the library is
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searched multiple times. Libraries specified later on the command line
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cannot reference otherwise unreferenced symbols in libraries specified
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earlier, because the linker has already handled them. Library groups are
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a solution for this problem, because the linker will search repeatedly
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through all libraries specified in the group, until all possible open
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symbol references have been satisfied.</P>
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<DT><B><CODE>-), --end-group</CODE></B><DD><P>End a library group. See the explanation of the <CODE>
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<A HREF="#option--start-group">--start-group</A></CODE> option.</P>
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<DT><B><CODE>-h, --help</CODE></B><DD><P>Print the short option summary shown above.</P>
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<P>
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<A NAME="option-m"></A> </P>
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<DT><B><CODE>-m name, --mapfile name</CODE></B><DD><P>This option (which needs an argument that will used as a filename for
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the generated map file) will cause the linker to generate a map file.
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The map file does contain a detailed overview over the modules used, the
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sizes for the different segments, and a table containing exported
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symbols.</P>
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<P>
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<A NAME="option-o"></A> </P>
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<DT><B><CODE>-o name</CODE></B><DD><P>The -o switch is used to give the name of the default output file.
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Depending on your output configuration, this name may NOT be used as
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name for the output file. However, for the builtin configurations, this
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name is used for the output file name.</P>
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<P>
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<A NAME="option-t"></A> </P>
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<DT><B><CODE>-t sys, --target sys</CODE></B><DD><P>The argument for the -t switch is the name of the target system. Since this
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switch will activate a builtin configuration, it may not be used together
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with the <CODE>
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<A HREF="#option-C">-C</A></CODE> option. The following target
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systems are currently supported:</P>
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<P>
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<UL>
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<LI>none</LI>
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<LI>apple2</LI>
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<LI>atari</LI>
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<LI>atmos</LI>
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<LI>c16 (works also for the c116 with memory up to 32K)</LI>
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<LI>c64</LI>
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<LI>c128</LI>
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<LI>plus4</LI>
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<LI>cbm510 (CBM-II series with 40 column video)</LI>
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<LI>cbm610 (all CBM series-II computers with 80 column video)</LI>
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<LI>pet (all CBM PET systems except the 2001)</LI>
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<LI>geos</LI>
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<LI>lunix</LI>
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<LI>atmos</LI>
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<LI>nes</LI>
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</UL>
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</P>
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<P>There are a few more targets defined but neither of them is actually
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supported.</P>
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<P>
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<A NAME="option-v"></A> </P>
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<DT><B><CODE>-v, --verbose</CODE></B><DD><P>Using the -v option, you may enable more output that may help you to
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locate problems. If an undefined symbol is encountered, -v causes the
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linker to print a detailed list of the references (that is, source file
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and line) for this symbol.</P>
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<DT><B><CODE>-vm</CODE></B><DD><P>Must be used in conjunction with <CODE>
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<A HREF="#option-m">-m</A></CODE>
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(generate map file). Normally the map file will not include empty segments
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and sections, or unreferenced symbols. Using this option, you can force the
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linker to include all this information into the map file.</P>
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<P>
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<A NAME="option-C"></A> </P>
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<DT><B><CODE>-C</CODE></B><DD><P>This gives the name of an output config file to use. See section 4 for more
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information about config files. -C may not be used together with <CODE>
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<A HREF="#option-t">-t</A></CODE>.</P>
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<P>
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<A NAME="option-D"></A> </P>
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<DT><B><CODE>-D sym=value, --define sym=value</CODE></B><DD><P>This option allows to define an external symbol on the command line. Value
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may start with a '$' sign or with <CODE>0x</CODE> for hexadecimal values,
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otherwise a leading zero denotes octal values. See also the
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<A HREF="ld65-5.html#SYMBOLS">SYMBOLS section</A> in the configuration file.</P>
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<P>
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<A NAME="option--lib-path"></A> </P>
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<DT><B><CODE>-L path, --lib-path path</CODE></B><DD><P>Specify a library search path. This option may be used more than once. It
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adds a directory to the search path for library files. Libraries specified
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without a path are searched in current directory, in the directory given in
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the <CODE>LD65_LIB</CODE> environment variable, and in the list of directories
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specified using <CODE>--lib-path</CODE>.</P>
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<DT><B><CODE>-Ln</CODE></B><DD><P>This option allows you to create a file that contains all global labels and
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may be loaded into VICE emulator using the <CODE>ll</CODE> (load label) command. You
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may use this to debug your code with VICE. Note: Older versions had some
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bugs in the label code. If you have problems, please get the latest VICE
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version.</P>
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<P>
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<A NAME="option-S"></A> </P>
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<DT><B><CODE>-S addr, --start-addr addr</CODE></B><DD><P>Using -S you may define the default starting address. If and how this
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address is used depends on the config file in use. For the builtin
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configurations, only the "none" system honors an explicit start address,
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all other builtin config provide their own.</P>
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<DT><B><CODE>-V, --version</CODE></B><DD><P>This option print the version number of the linker. If you send any
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suggestions or bugfixes, please include this number.</P>
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<P>
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<A NAME="option--cfg-path"></A> </P>
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<DT><B><CODE>--cfg-path path</CODE></B><DD><P>Specify a config file search path. This option may be used more than once.
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It adds a directory to the search path for config files. A config file given
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with the <CODE>
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<A HREF="#option-C">-C</A></CODE> option that has no path in
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its name is searched in the current directory, in the directory given in the
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<CODE>LD65_CFG</CODE> environment variable, and in the list of directories specified
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using <CODE>--cfg-path</CODE>.</P>
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<P>
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<A NAME="option--dbgfile"></A> </P>
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<DT><B><CODE>--dbgfile name</CODE></B><DD><P>Specify an output file for debug information. Available information will be
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written to this file. Using the <CODE>-g</CODE> option for the compiler and assembler
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will increase the amount of information available. Please note that debug
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information generation is currently being developed, so the format of the
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file and it's contents are subject to change without further notice.</P>
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<DT><B><CODE>--lib file</CODE></B><DD><P>Links a library to the output. Use this command line option instead of just
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naming the library file, if the linker is not able to determine the file
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type because of an unusual extension.</P>
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<DT><B><CODE>--obj file</CODE></B><DD><P>Links an object file to the output. Use this command line option instead
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of just naming the object file, if the linker is not able to determine the
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file type because of an unusual extension.</P>
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<P>
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<A NAME="option--obj-path"></A> </P>
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<DT><B><CODE>--obj-path path</CODE></B><DD><P>Specify an object file search path. This option may be used more than once.
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It adds a directory to the search path for object files. An object file
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passed to the linker that has no path in its name is searched in current
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directory, in the directory given in the <CODE>LD65_OBJ</CODE> environment variable,
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and in the list of directories specified using <CODE>--obj-path</CODE>.</P>
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</DL>
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</P>
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<HR>
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<A HREF="ld65-3.html">Next</A>
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<A HREF="ld65-1.html">Previous</A>
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<A HREF="ld65.html#toc2">Contents</A>
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