48 lines
2 KiB
Text
48 lines
2 KiB
Text
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INSTALLATION ON THE DOS PLATFORM WITH DJGPP
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OpenSSL has been ported to DJGPP, a 32-bit run-time environment for
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16-bit DOS, but only with long filename support. If you wish to
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compile on native DOS with 8+3 filenames, you will have to tweak the
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installation yourself, including renaming files with illegal
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or duplicate names.
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You should have a full DJGPP environment installed, including the
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latest versions of DJGPP, GCC, BINUTILS, BASH, etc. This package
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requires that PERL and BC also be installed.
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All of these can be obtained from the usual DJGPP mirror sites, such
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as "ftp://ftp.simtel.net/pub/simtelnet/gnu/djgpp". You also need to
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have the WATT-32 networking package installed before you try to compile
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openssl. This can be obtained from "http://www.bgnett.no/~giva/".
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The Makefile assumes that the WATT-32 code is in the directory
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specified by the environment variable WATT_ROOT. If you have watt-32
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in directory "watt32" under your main DJGPP directory, specify
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WATT_ROOT="/dev/env/DJDIR/watt32".
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To compile openssl, start your BASH shell. Then configure for DOS by
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running "./Configure" with appropriate arguments. The basic syntax for
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DOS is:
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./Configure no-threads --prefix=/dev/env/DJDIR DJGPP
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You may run out of DPMI selectors when running in a DOS box under
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Windows. If so, just close the BASH shell, go back to Windows, and
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restart BASH. Then run "make" again.
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Building openssl under DJGPP has been tested with DJGPP 2.03,
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GCC 2.952, GCC 2.953, perl 5.005_02 and perl 5.006_01.
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RUN-TIME CAVEAT LECTOR
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--------------
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Quoting FAQ:
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"Cryptographic software needs a source of unpredictable data to work
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correctly. Many open source operating systems provide a "randomness
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device" (/dev/urandom or /dev/random) that serves this purpose."
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As of version 0.9.7f OpenSSL checks upon /dev/urandom$ for a 3rd party DOS
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driver. One such driver implemented by Robert Rothenberg "Walking-Owl"
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can be obtained from "http://www.funet.fi/pub/crypt/random/noise063.zip."
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