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annotate INSTALL @ 149:ed9ca2a9705c

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Cleaned up the random code, use /dev/random by default, and remove the addrandom() function which wasn't used.
author Matt Johnston <matt@ucc.asn.au>
date Mon, 20 Dec 2004 13:11:15 +0000
parents 9597c2e3b9d4
children b24730e11c83
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1 Basic Dropbear build instructions:
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3 - Edit options.h to set which features you want.
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4 - Edit debug.h if you want any debug options (not usually required).
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6 (If using a non-tarball copy, "autoconf; autoheader")
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8 ./configure (optionally with --disable-zlib or --disable-syslog,
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9 or --help for other options)
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11 Now compile:
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13 make PROGRAMS="dropbear dbclient dropbearkey dropbearconvert scp"
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15 And install (/usr/local/bin is usual default):
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17 make PROGRAMS="dropbear dbclient dropbearkey dropbearconvert scp" install
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19 (you can leave items out of the PROGRAMS list to avoid compiling them. If you
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20 recompile after changing the PROGRAMS list, you *MUST* "make clean" before
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21 recompiling - bad things will happen otherwise)
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23 See MULTI for instructions on making all-in-one binaries.
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25 If you want to compile statically, add "STATIC=1" to the make command-line.
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27 Binaries can be strippd with "make strip"
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29 ============================================================================
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31 Compiling with uClibc:
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33 Firstly, make sure you have at least uclibc 0.9.17, as getusershell() in prior
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34 versions is broken. Also note that you may get strange issues if your uClibc
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35 headers don't match the library you are running with, ie the headers might
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36 say that shadow password support exists, but the libraries don't have it.
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38 Compiling for uClibc should be the same as normal, just set CC to the magic
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39 uClibc toolchain compiler (ie export CC=i386-uclibc-gcc or whatever).
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40 You can use "make STATIC=1" to make statically linked binaries, and it is
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41 advisable to strip the binaries too. If you're looking to make a small binary,
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42 you should remove unneeded ciphers and MD5, by editing options.h
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44 It is possible to compile zlib in, by copying zlib.h and zconf.h into a
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45 subdirectory (ie zlibincludes), and
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47 export CFLAGS="-Izlibincludes -I../zlibincludes"
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48 export LDFLAGS=/usr/lib/libz.a
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50 before ./configure and make.
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52 If you disable zlib, you must explicitly disable compression for the client -
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53 OpenSSH is possibly buggy in this regard, it seems you need to disable it
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54 globally in ~/.ssh/config, not just in the host entry in that file.
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56 You may want to manually disable lastlog recording when using uClibc, configure
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57 with --disable-lastlog.
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59 One common problem is pty allocation. There are a number of types of pty
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60 allocation which can be used -- if they work properly, the end result is the
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61 same for each type. Running configure should detect the best type to use
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62 automatically, however for some systems, this may be incorrect. Some
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63 things to note:
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65 If your system expects /dev/pts to be mounted (this is a uClibc option),
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66 make sure that it is.
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68 Make sure that your libc headers match the library version you are using.
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70 If openpty() is being used (HAVE_OPENPTY defined in config.h) and it fails,
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71 you can try compiling with --disable-openpty. You will probably then need
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72 to create all the /dev/pty?? and /dev/tty?? devices, which can be
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73 problematic for devfs. In general, openpty() is the best way to allocate
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74 PTYs, so it's best to try and get it working.