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Angus Leeming 9825c2023f One letter typo 
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Compiling and installing LyX
============================
Quick compilation guide
-----------------------
These four steps will compile, test and install LyX:
0) Linux users beware: if compiling the Qt frontend, you need
qt and qt-devel packages of the same version to compile LyX.
1) ./configure
configures LyX to your system. By default, LyX configures
the xforms frontend, use --with-frontend=qt to build a Qt
version. You may have to set
--with-qt-dir=<path-to-your-qt-installation> to succeed.
2) make
compiles the program.
3) src/lyx
runs the program so you can check it out.
4) make install
will install it. You can use "make install-strip" instead
if you want a smaller binary.
Note for CVS checkouts
----------------------
If you have checked this out from CVS, you need to have
automake, autoconf, and gettext installed. Then,
type "./autogen.sh" to build the needed configuration
files and proceed as stated below.
You will also probably need GNU m4 (perhaps installed as gm4).
Requirements
------------
First of all, you will also need a recent C++ compiler, where recent
means that the compilers are close to C++ standard conforming.
Compilers that are known to compile LyX are egcs 1.1.x, gcc 2.95.x and
later, and Digital C++ version 6.1 and later. Please tell us your
experience with other compilers. It is _not_ possible to compile LyX
with gcc 2.7.x and 2.8.x, and this is not likely to change in the
future.
Note that, contrary to LyX 1.0.x, LyX 1.3.x makes great use of C++
Standard Template Library (STL); this means that gcc users will have
to install the relevant libstdc++ library to be able to compile this
version.
* xforms frontend
Both an Xforms and Xpm libraries should be installed to compile LyX.
It is imperative that you have the correct versions of these
libraries, and their associated header files.
The xforms library has been very recently updated to version 1.0.
This version has been released under the LGPL (Lesser General Public
License), and the availability of the source means that many bugs that
have been plaguing LyX have been fixed in xforms. You are advised to
upgrade to xforms 1.0 to enjoy all these new fixes.
In fact, LyX 1.3.x no longer supports versions of xforms older than 0.89.5.
You can get the source from
http://world.std.com/~xforms/
ftp://ncmir.ucsd.edu/pub/xforms/OpenSource/xforms-1.0-release.tgz
ftp://ftp.lyx.org/pub/xforms/OpenSource/xforms-1.0-release.tgz
If you use a rpm-based linux distribution, such as RedHat or Mandrake,
we recommend that you grab a version of xforms from
ftp://ftp.lyx.org/pub/lyx/contrib
Look for the xforms-1.0-release.src.rpm or the binary libforms*.i386.rpm.
In addition, you must have libXpm version 4.7 or newer.
* Qt frontend
LyX has been tested with both Qt 2.x and 3.x libraries. The only special
point to make is that you must ensure that both LyX and the Qt libraries
are compiled with the same C++ compiler.
Note that if Qt is using Xft2/fontconfig, you may need to install the
latex-ttf-fonts package (available on ftp://ftp.lyx.org/) to get maths
symbols displayed properly. To find out, type:
ldd `which lyx` | grep fontconfig
at the console. Both RH8 and Debian unstable distributions are known
to use fontconfig.
If, however, your version of Qt does not use fontconfig, then the
/usr/local/share/lyx/xfonts directory (or equivalent) should be added to
the font path. This is done automatically by LyX if LyX is run on
the local machine, and the X server supports Postscript fonts. If, however,
you're running LyX remotely, then you'll have to do this step yourself.
'man xset' is your friend.
* Other things to note
If you make modifications to files in src/ (for example by applying a
patch), you will need to have the GNU gettext package installed, due
to some dependencies in the makefiles. You can get the latest version
from:
ftp://ftp.gnu.org/gnu/gettext/gettext-0.11.4.tar.gz
LyX contains a hack to work around this, but you should not rely too
much on it.
To use the thesaurus, you will need to install libAikSaurus, available
from:
http://aiken.clan11.com/aiksaurus/
The two following programs should be available at configuration time:
o Perl (at least 5.002) is needed for the reLyX script. reLyX will
not be installed if perl is not found. If the environment
variable PERL is set to point to some program, this value will be
used, even if the program does no exist (this can be useful if
the machine on which LyX is built is not the one where it will
run).
o LaTeX2e should be correctly setup for the user you are logged in
as. Otherwise, LyX will not be able to run a number of tests. Note
that users can run these tests manually with Edit>Reconfigure.
Finally, you will need to have python 1.5.2 or newer installed to be
able to import older LyX files with the lyx2lyx script (this script is
called automatically when opening a file).
Creating the Makefile
---------------------
LyX can be configured using GNU autoconf utility which attempts to guess
the configuration needed to suit your system. The standard way to use it
is described in the file INSTALL.autoconf. In most cases you will be able
to create the Makefile by typing
./configure
For more complicated cases, LyX configure takes the following specific
flags:
o --with-frontend=FRONTEND that allows to specify which frontend you
want to use. Default is "xforms", and the other possible value is
"qt".
o --with-extra-lib=DIRECTORY that specifies the path where LyX will
find extra libraries (Xpm, xforms, qt) it needs. Defaults to NONE
(i.e. search in standard places). You can specify several
directories, separated by colons.
o --with-extra-inc=DIRECTORY that gives the place where LyX will find
xforms headers. Defaults to NONE (i.e. search in standard places).
You can specify several directories, separated by colons.
o --with-extra-prefix[=DIRECTORY] that is equivalent to
--with-extra-lib=DIRECTORY/lib --with-extra-inc=DIRECTORY/include
If DIRECTORY is not specified, the current prefix is used.
o --with-version-suffix will install LyX as lyx-<version>, e.g. lyx-1.3.1
The LyX data directory will be something like <whatever>/lyx-1.3.1/.
Additionally your user configuration files will be found in e.g.
$HOME/.lyx-1.3.1
You can use this feature to install more than one version of LyX
on the same system. You can optionally specify a "version" of your
own, by doing something like :
./configure --with-version-suffix=-latestcvs
Note that the standard configure options --program-prefix,
--program-suffix and the others will not affect the shared LyX
directory etc. so it is recommended that you use --with-version-suffix
(or --prefix) instead.
o --enable-optimization=VALUE enables you to set optimization to a
higher level as the default (-O), for example --enable-optimization=-O3.
o --disable-optimization - you can use this to disable compiler
optimization of LyX. The compile may be much quicker with some
compilers, but LyX will run more slowly.
o --enable-debug will add debug information to your binary. This
requires a lot more disk space, but is a must if you want to try to
debug problems in LyX. The default is to have debug information
for development versions and prereleases only.
There are also flags to control the internationalization support in
LyX:
o --disable-nls suppresses all internationalization support,
yielding a somewhat smaller code.
o --with-included-gettext forces the use of the included GNU gettext
library, although you might have another one installed.
o --with-catgets allows to use the catget() functions which can
exist on your system. This can cause problems, though. Use with
care.
o You can also set the environment variable LINGUAS to a list of
language in case you do not want to install all the translation
files. For example, if you are only interested in German and
Finnish, you can type (with sh or bash)
export LINGUAS='de fi'
before running configure.
Moreover, the following generic configure flags may be useful:
o --prefix=DIRECTORY specifies the root directory to use for
installation. [defaults to /usr/local]
o --datadir=DIRECTORY gives the directory where all extra LyX
files (lyxrc example, documentation, templates and layouts
definitions) will be installed.
[defaults to ${prefix}/share/lyx${program_suffix}]
o --bindir=DIRECTORY gives the directory where the lyx binary
will be installed. [defaults to ${prefix}/bin]
o --mandir=DIRECTORY gives the directory where the man pages will go.
[defaults to ${prefix}/man]
Note that the --with-extra-* commands are not really robust when it
comes to use of relative paths. If you really want to use a relative path
here, you can prepend it with "`pwd`/".
If you do not like the default compile flags used (-g -O2 on gcc), you can
set CXXFLAGS variable to other values as follows:
o CXXFLAGS='-O2' (sh, bash)
o setenv CXXFLAGS '-O2' (csh, tcsh)
Similarly, if you want to force the use of some specific compiler, you can
give a value to the CXX variable.
If you encounter problems, please read the section 'Problems' at the end of
this file.
In particular, the following options could be useful in some desperate
cases:
o --enable-warnings that make the compiler output more warnings during
the compilation of LyX. Opposite is --disable-warnings. By default,
this flag is on for development versions only.
o --enable-assertions that make the compiler generate run-time
code which checks that some variables have sane values. Opposite
is --disable-assertions. By default, this flag is on for
development versions only.
o --without-latex-config that disables the automatic detection of your
latex configuration. This detection is automatically disabled if
latex cannot be found. If you find that you have to use this
flag, please report it as a bug.
Compiling and installing LyX
----------------------------
Once you've got the Makefile created, you just have to type:
make all
make install
All should be OK ;)
Since the binaries with debug information tend to be huge (although
this does not affect the run-time memory footprint), you might want
to strip the lyx binary. In this case replace "make install" with
make install-strip
BTW: in the images subdirectory there is also a small icon "lyx.xpm",
that can be used to display lyx-documents in filemanagers.
If configure fails for some strange reason
------------------------------------------
Even when configure fails, it creates a Makefile. You always can check
the contents of this file, modify it and run 'make'.
Compiling For Multiple Architectures
------------------------------------
You can compile LyX for more than one kind of computer at the same
time, by placing the object files for each architecture in their own
directory. To do this, you must use a version of `make' that supports
the `VPATH' variable, such as GNU `make'. `cd' to the directory where
you want the object files and executables to go and run the
`configure' script. `configure' automatically checks for the source
code in the directory that `configure' is in and in `..'.
If you have to use a `make' that does not supports the `VPATH'
variable, you have to compile LyX for one architecture at a time in
the source code directory. After you have installed LyX for one
architecture, use `make distclean' before reconfiguring for another
architecture.
Preparing a binary distribution for the use of others
------------------------------------------------------
o Compile LyX with the right compiler switches for your
architecture. Make sure you use the --without-latex-config switch
of configure, since others might not be interested by your
configuration :-)
o Create a file README.bin describing your distribution and
referring to *you* if problems arise. As a model, you can use the
file development/tools/README.bin.example, which can be a good
starting point.
o Type `make bindist'. This will create a file
lyx-1.xx.yy-bin.tar.gz. Rename it to reflect you architecture
and the peculiarities of your build (e.g. static vs. dynamic).
o Check that everything is correct by unpacking the distribution
in some private place and running it. In particular, check the
output of `ldd lyx' to know which libraries are really needed.
o Upload your binary file to ftp.devel.lyx.org:/pub/incoming, and
notify larsbj@lyx.org.
Problems
--------
This section provides several hints that have been submitted by LyX
team member or users to help compiling on some particular
architectures. If you find that some of this hints are wrong, please
notify us.
o If you have problems indicating that configure cannot find a part of
the xforms or Xpm library, use the --with-extra-lib and --with-extra-inc
options of configure to specify where these libraries reside.
o Configure will seemingly fail to find xpm.h and forms.h on linux
if the kernel headers are not available. Two cases are possible:
- you have not installed the kernel sources. Then you should
install them or at least the kernel-headers package (or
whatever it is called in your distribution).
- you have the sources, but you did a 'make mrproper' in the
kernel directory (this this removes some symbolic links that
are needed for compilation). A 'make symlinks' in linux kernel
sources fixes that.
o if you are using RedHat Linux 7.x, you must make sure you have the
latest updated gcc and related packages installed (at least -85),
or LyX will not compile or will be mis-compiled.
o if you get an error message when compiling LyX that looks like this :
../../src/minibuffer.h:17: using directive `Object' introduced
ambiguous type `_ObjectRec *'
then you need to upgrade the version of the xforms library you have
installed.
o On solaris 2.6, you may have to compile with --with-included-string
if compiling with gcc 2.95.2.
o LyX can be compiled on Tru64 Unix with either GNU's gcc or the default
Compaq cxx compiler.
There are no Alpha-specific problems with gcc.
The following notes all refer to compilation with the Compaq cxx compiler.
LyX cannot be compiled on Tru64 Unix 4.0d or 4.0e with the default cxx
compiler. You should upgrade to at least cxx V6.2, to be found at
ftp::/ftp.compaq.com/pub/products/C-CXX/tru64/cxx/CXX622V40.tar. Users
running Tru64 Unix 4.0f and greater should have no real problems compiling
LyX.
cxx V6.2 will compile LyX out of the box.
cxx V6.3-020 is also known to work, although there is a bug in
/usr/include/cxx/deque that will break compilation in FormPreferences.C.
Compaq are investigating, but a patch that works /now/ is:
--- /usr/include/cxx/deque_safe Mon Mar 4 21:09:50 2002
+++ /usr/include/cxx/deque Mon Mar 4 21:09:00 2002
@@ -570,9 +570,11 @@
{
if (size() >= x.size())
erase(copy(x.begin(), x.end(), begin()), end());
- else
- copy(x.begin() + size(), x.end(),
- inserter(*this,copy(x.begin(),x.begin()+size(),begin())));
+ else {
+ const_iterator mid = x.begin() + difference_type(size());
+ copy(x.begin(), mid, begin());
+ insert(end(), mid, x.end());
+ }
}
return *this;
}
At the time of writing, cxx V6.5-026 is the latest cxx compiler. It is
/not/ recommended. The compiler itself appears to be both buggy and
extremely bloated (trebling the size of the stripped LyX binary).
In order to compile LyX with the cxx compiler, you should run configure
with the following flags:
CXX='cxx -std strict_ansi'
CXXFLAGS='-nopure_cname -nocleanup -ptr /tmp/lyx_cxx_repository -O2'
CC='cc -std1'
The -nopure_cname flag is needed for compilers V6.3 and above because
LyX makes use of functions like popen, pclose that are defined in the
c version of <stdio.h> but are not formally part of any c/c++ standard.
They are not, therefore, included in the <cstdio> header file.
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