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<h1 class="firstHeading">Compile DOS</h1>
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<h3 id="siteSub">From CGSecurity</h3>
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<a name="Packages_for_DJGPP"></a><h2> <span class="mw-headline"> Packages for DJGPP </span></h2>
<p>I am using the following DJGPP package
</p>
<ul><li>GNU Binutils 2.11.2 binaries for DJGPP
</li><li>bsh204d GNU Bash 2.04 binary for DJGPP
</li><li>bsn129b GNU bison 1.34 for DJGPP V2
</li><li>csdpmi5b CWSDPMI binary distribution (release 5)
</li><li>dif272b GNU Diffutils 2.7.2 for DJGPP V2
</li><li>djdev203 Development Kit and Runtime
</li><li>faq230b DJGPP FAQ List edition 2.30 for DJGPP v2.03
</li><li>fil40b GNU Fileutils 4.0 for DJGPP 2.x, release 3 (binaries)
</li><li>File(1) 3.34: binaries
</li><li>find41b GNU findutils 4.1 for DJGPP V2
</li><li>flx254b GNU Flex 2.5.4 binaries for DJGPP V2
</li><li>gcc304b.zip : GCC 3.0.4 C compiler binaries for DJGPP
</li><li>gdb500b GDB GNU Debugger version 5.0 binaries for DJGPP v2
</li><li>gpp302b.zip : GCC 3.0.2 C++ compiler binaries for DJGPP
</li><li>grep24b GNU grep 2.4 binaries for DJGPP V2
</li><li>gwk306b GNU Awk 3.0.6 for DJGPP v2
</li><li>libt143d.zip libtool
</li><li>m4-14b GNU M4 1.4 binaries for DJGPP v2
</li><li>mak3791b GNU Make 3.79.1 binaries for DJGPP V2
</li><li>mlp107b Executable File Packer for DJGPP V2
</li><li>objc302b.zip : GCC 3.0.2 Objective C compiler binaries for DJGPP
</li><li>pdcur24b.zip PDCurses 2.4 binary for DJGPP
</li><li>perl561b Perl 5.6.1b for DJGPP V2 (binary)
</li><li>sed3028b GNU sed 3.02.80 for DJGPP V2
</li><li>shl112b GNU sh-utils 1.12 for DJGPP V2
</li><li>tar112ab GNU tar 1.12a binaries for DJGPP V2
</li><li>txi40b GNU Texinfo 4.0 binaries for DJGPP V2
</li><li>txt20b GNU Textutils 2.0 binaries for DJGPP V2
</li><li>Which version 2.11 modified to work with DJGPP by David Cullen
</li></ul>
<p>You can get this C compiler at <a href="http://www.delorie.com/djgpp" class="external free" title="http://www.delorie.com/djgpp" rel="nofollow">http://www.delorie.com/djgpp</a>.
</p><p>I.e. if you have installed DJGPP in D:\gnu, add in your autoexec.bat,
</p>
<pre>
set DJGPP=D:\gnu\djgpp.env
set PATH=D:\GNU\BIN;%PATH%
</pre>
<a name="Patching_DJGPP"></a><h2> <span class="mw-headline"> Patching DJGPP</span></h2>
<p>In <code>include/signal.h</code>, add
</p>
<pre>
#ifndef SIGCONT
#define SIGCONT 18
#endif
</pre>
<p>In <code>include/mntent.h</code>, add
</p>
<pre>
#ifndef MOUNTED
#define MOUNTED "/etc/mtab"
#endif
#ifndef MNTOPT_RO
#define MNTOPT_RO "ro"
#endif
</pre>
<p>In <code>include/errno.h</code>, add
</p>
<pre>
#ifndef EMSGSIZE
#define EMSGSIZE 90
#endif
#ifndef EOPNOTSUPP
#define EOPNOTSUPP 95
#endif
#ifndef ENOTSUPP
#define ENOTSUPP 524
#endif
#ifndef ENOTSUP
#define ENOTSUP 524
#endif
#ifndef ECANCELED
#define ECANCELED 125
#endif
#ifndef EILSEQ
#define EILSEQ 84
#endif
#ifndef EOVERFLOW
#define EOVERFLOW 600
#endif
</pre>
<p>In <code>include/fcntl.h</code>, add
</p>
<pre>
#define O_LARGEFILE 0100000
</pre>
<p>In <code>sys/param.h</code>, add
</p>
<pre>
/* Some autoconf'd packages check for endianness. When cross-building we
can't run programs on the target. Fortunately, autoconf supports the
definition of byte order in sys/param.h (that's us!).
The values here are the same as used in gdb/defs.h (are the more
appropriate values?). */
#define BIG_ENDIAN 4321
#define LITTLE_ENDIAN 1234
/* All known dos systems are little endian. */
#define BYTE_ORDER LITTLE_ENDIAN
</pre>
<p>Add the file <code>include/stdint.h</code>
</p>
<pre>
typedef unsigned char uint8_t;
typedef unsigned short int uint16_t;
typedef unsigned int uint32_t;
typedef unsigned long long int uint64_t;
typedef char int8_t;
typedef short int int16_t;
typedef int int32_t;
typedef long long int int64_t;
</pre>
<p><code>ln -s gpp.exe g++.exe</code>
</p><p>TestDisk is a true 32-bit program (compiled under DJGPP), so a DPMI server program (cwsdpmi.exe) is included in the download which allows TestDisk to run under 16-bit DOS.
If you want to work under <b><i>real</i></b> (16-bit) <b>DOS</b>, you'll need to have a DPMI server running; to do that, get: <b>csdpmi*b.zip</b> and simply
place the executable (cwsdpmi.exe) in your bin directory (which must be in the PATH).
</p><p>Back to <a href="testdisk_compilation.html" title="TestDisk Compilation">TestDisk compilation</a>
</p>
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