mirror of https://github.com/openssl/openssl.git
49 lines
2.0 KiB
Plaintext
49 lines
2.0 KiB
Plaintext
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INSTALLATION ON THE DOS PLATFORM WITH DJGPP
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-------------------------------------------
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OpenSSL has been ported to DJGPP, a Unix look-alike 32-bit run-time
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environment for 16-bit DOS, but only with long filename support.
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If you wish to compile on native DOS with 8+3 filenames, you will
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have to tweak the installation yourself, including renaming files
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with illegal 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 the PERL module Text::Template also be
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installed (see NOTES.PERL).
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All of these can be obtained from the usual DJGPP mirror sites or
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directly at "http://www.delorie.com/pub/djgpp". For help on which
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files to download, see the DJGPP "ZIP PICKER" page at
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"http://www.delorie.com/djgpp/zip-picker.html". You also need to have
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the WATT-32 networking package installed before you try to compile
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OpenSSL. This can be obtained from "http://www.watt-32.net/".
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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 DJGPP by
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running "./Configure" with appropriate arguments:
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./Configure no-threads --prefix=/dev/env/DJDIR DJGPP
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And finally fire up "make". You may run out of DPMI selectors when
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running in a DOS box under Windows. If so, just close the BASH
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shell, go back to Windows, and restart BASH. Then run "make" again.
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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 DJGPP port checks upon /dev/urandom$ for a 3rd
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party "randomness" DOS driver. One such driver, NOISE.SYS, can be
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obtained from "http://www.rahul.net/dkaufman/index.html".
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