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353 lines
12 KiB
Plaintext
353 lines
12 KiB
Plaintext
=========================
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Building LyX with SCons
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=========================
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July, 2006
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The GNU Build System (autoconf, automake and make) has been used to build
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and distribute lyx. These de facto *nix tools are readily available and
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widely supported on the *nix systems, but not so under windows. They are
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not necessarily easy to use and maintain (at least to non-m4 experts)
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either. Because of these, a scons (http://www.scons.org) build system has
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been set up as an alternative way to build lyx. As of writing, this system
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only supports the qt4 frontend.
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This file is organized as follows:
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1. General usage of scons
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2. *nix systems (Linux, Solaris and Mac OSX)
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3. Windows/mingw
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4. Windows/cygwin
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5. Windows/msvc
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6. Tips and hints
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7. Troubleshooting
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1. General usage of scons
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=========================
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Prerequisites:
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--------------
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* Python:
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Python >= 1.5.2 is required to run scons, but Python >= 2.3 is used by
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lyx itself so the newer version is needed. Python is widely
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available on non-windows systems. Windows users can download and install
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python from http://www.python.org.
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* SCons:
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scons >= 0.96.92 is needed. You can either use a full system-wide scons
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distribution or a light-weight one (called scons-local) installed along
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with the lyx source tree. Both variants of scons are freely available
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from http://www.scons.org. Note that LyX source may ship with scons-base
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in the near future.
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* Other libraries:
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These include zlib (required), qt4 (required), gettext
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(optional), boost (optional), aspell (optional) and Aiksaurus
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(optional). Please refer to the system-specific sections regarding the
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availability and installation of them.
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Start scons:
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------------
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The scons system resides under development/scons. You can invoke it from
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either development/scons by, for example:
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> cd development/scons
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> scons frontend=qt4 qt_dir=d:/qt4 -j3 lyx
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or from top source directory by:
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> scons -f development/scons/SConstruct frontend=qt4 all
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There are three types of command line options:
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* key=value are user options. They are used to tell scons which
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frontend to use, whether or not use included boost libraries etc.
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You can use 'scons -h' to list all of the options.
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* parameters start with - or -- are scons options. Useful ones include
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-j3 (with three threads) and --config=force (force reconfiguration).
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* others options are targets, which are lyx objects to build.
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User Options:
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-------------
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Here I only list important options that you will likely use. Full option
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list with detailed description and default value can be displayed using
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command 'scons -h'.
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Components to use/build:
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* frontend=qt4: qt4 is the only option right now.
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gtk is not currently supported.
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* mode=debug/release: lyx will be built under the debug or release
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directory, with different default build options.
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* boost=included/system/auto: whether or not use included boost, system
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boost, or try to detect system boost first. Note that boost=included
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is safer if system boost has a different version from the included
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one.
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* gettext=included/system/auto
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* nls=yes/no whether or not enable natural language support.
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* spell=aspell/pspell/ispell/auto: spell engine
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Paths: Most of them will be probed if not specified.
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* qt_dir: top level directory of qt (with at least subdirectory bin
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containing commands uic and moc)
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* qt_lib_path: path to the qt library, use only if there is no
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$qt_dir/lib
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* qt_inc_path: path to qt include directory, use only if there is no
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$qt_dir/include
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* extra_inc_path, extra_inc_path1, extra_lib_path, extra_lib_path1:
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additional paths to other libraries
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* extra_bin_path: a convenient way to add an extra path to $PATH
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Convenience options:
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* fast_start=yes/no: if true, bypass initial configuration step and use
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existing src/config.h
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* load_option=yes/no/opt1,opt2/-opt1,opt2: if true, load previously saved
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command line options so you can run 'scons install' directly after a
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long 'scons all' building command. You can load selected options using
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load_option=opt1,opt2,... or exclude options using the - version of it.
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* rebuild=target1,target2... By default, scons will exam all components
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when you build lyx. You can free scons from some hard work and save
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yourself some time by telling scons to rebuild only specified
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component(s). rebuild=no, none, yes or all can be used as well.
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* log_file: a log file of executed commands, default to scons_lyx.log
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Installation options:
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* prefix: directory where lyx will be installed
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* exec_dir: directory where lyx binaries will be installed.
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Default to $prefix/bin
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* dest_dir: if specified, install to this directory instead of $prefix.
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* version_suffix=yes/no/something : if specified, this suffix will be
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appended to the user data directory.
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Compiler choice and flags:
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* use_vc: use msvc instead of mingw g++ under windows
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* optimization: optimization flag to use (e.g. -O2)
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* CC, LINK, CPP, CXX, CCFLAGS, LINKFLAGS etc: compiler commands and
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flags. Setting CCFLAGS etc will replace default flags. These variables
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can be set as environment variables as well.
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Targets:
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--------
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You can specify one or more of the following targets:
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Static libraries (names correspond to their directories):
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boost, intl, support, mathed, insets, frontends, graphics,
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controllers, client, qt4, lyxbase
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Programs:
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tex2lyx, client, lyx, all = tex2lyx + client + lyx
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Installation:
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po, install = all + po
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Misc:
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msvs_projects
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Your built targets are put into $build_dir, which is debug (mode=debug),
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release (mode=release) or any name specified via build_dir=name. The
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directory structure is:
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$build_dir
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- common: most of the intermediate files, mostly object files
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- libs: all static libraries
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- qt4 etc: lyx executable built with the frontend
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- executables: lyxclient, tex2lyx, lyx
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MSVS projects will be put to development/scons (and you should invoke
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scons from there for this target).
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A typical working sequence:
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---------------------------
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> cd development/scons
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> scons frontend=qt4 qt_dir=/path/to/qt4
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(build lyx, and all needed libraries...)
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> scons all -j3
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(build lyx, client and tex2lyx, options like qt_dir will be carried
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over here)
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> scons rebuild=lyxbase
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(working on lyx_main.C, so only need to rebuild lyxbase)
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> scons
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(build again, only lyxbase will be rebuilt)
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> scons fast_start=no --config=force
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(need to regenerate src/config.h)
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> scons prefix=/usr/site dest_dir=/install/dir
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(lyx is built for /usr/site, but install to /install/dir)
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2. *nix systems (Linux, Solaris and Mac OSX)
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============================================
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Proper use of extra_inc_path, qt_dir etc should solve most of the
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problems.
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3. Windows/mingw
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================
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* install mingw with the following packages:
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binutils-2.16.91-...tar.gz
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gcc-core-3.4.5-...tar.gz
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gcc-g++-3.4.5-...tar.gz
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mingw-runtime-3.9.tar.gz
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mingw-utils-0.3.tar.gz
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MSYS-1.0.11-...exe
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msysDTK-1.0.1.exe
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w32api-3.6.tar.gz
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* install the latest Qt official "open source" binary package for
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Windows/Mingw (required)
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* install mingw/zlib (required):
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Download zlib binaries and developer files (zlib-1.2.3-bin.zip and
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zlib-1.2.3-lib.zip) from http://gnuwin32.sourceforge.net/packages/zlib.htm .
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* install iconv (optional):
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Download libiconv from http://gnuwin32.sourceforge.net/packages/libiconv.htm
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The complete package (without source) is recommended.
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You may also try the windows binary (libiconv-x.x.x.bin.woe32.zip) of
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iconv from one of the GNU mirrors listed in http://www.gnu.org/prep/ftp.html.
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* install gettext (optional):
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Download gettext from http://gnuwin32.sourceforge.net/packages/gettext.htm
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The complete package (without source) is recommended.
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You may also try the windows binary (gettext-runtime-x.x.x.bin.woe32.zip
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and gettext-tools-x.x.x.bin.woe32.zip) from one of the GNU mirrors
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(e.g. http://mirrors.usc.edu/pub/gnu/gettext/).
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* install aspell (optional):
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LyX uses aspell 0.60.4 and there is no, as of now, official windows
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version. If you do not want to compile aspell from source by yourself,
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your best bet is using Abdel's lyx 1.5.0svn experimental package located
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at http://wiki.lyx.org/Windows/LyX150Experimental. The link to his
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pre-built aspell package is http://younes.a.free.fr/Lyx-15-experimental
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* install aiksaurus (optional):
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Try to build aiksaurus from source (both mingw or msvc should work),
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or look for pre-built package from the lyx 1.5.0svn experimental page.
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* Open a mingw xterm, and start scons as usual.
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Note: gettext, iconv and zlib are usually decompressed to c:/mingw so no
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extra_inc_path etc is needed.
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4. Windows/cygwin
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=================
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LyX should be easy to compile, but you must use the most recent cygwin
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dll (version 1.5.20-1 as of July 2006) because qt library in older
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cygwin distribution does not work with previous versions due to broken
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threading support.
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To build lyx for cygwin, you should
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* install (using the cygwin setup program) at least the following
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packages and all other packages pulled in by dependencies:
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aspell gzip libiconv qt4-bin
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aspell-dev jpeg libpng qt4-devel
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gcc libintl libpng2
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gettext libintl1 jpeg
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gettext-devel libintl2 python
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* install aiksaurus (http://aiksaurus.sourceforge.net/, optional):
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There is no cygwin package for aiksaurus, so you should build it from
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source. However, aiksaurus builds smoothly on cygwin.
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* run scons as you would do under linux.
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Note: cygwin/qt does not follow the usual $qt_dir/include, $qt_dir/bin,
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$qt_dir/lib directory structure. For example, cygwin/qt4 uses directories
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/usr/include/qt4, /usr/lib/qt4/bin and /usr/lib/qt4/lib. If these
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directories can not be detected automatically, use options, for example,
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qt_dir=/usr/lib/qt4 qt_inc_path=/usr/include/qt4
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5. Windows/msvc
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===============
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To build lyx with msvc, you should
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* install msvc
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It is recommended that you use MSVC2005 Express edition which is
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freely available from microsoft.
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* get windows platform SDK
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Please follow the link in the MSVC webpage to download and configure.
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It is important that you add SDK paths to %INCLUDE% and %LIB% in, e.g.,
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C:\Program Files\Microsoft Visual Studio 8\Common7\Tools\vsvars32.bat.
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If you plan to use the MSVS IDE, you should also update the Visual C++
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directories in VCProjectEngine.dll.express.config, as suggested in
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http://msdn.microsoft.com/vstudio/express/visualc/usingpsdk/.
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* build qt4
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- download qt4 source from trolltech (not the binary version, which
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only works with mingw)
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- get q../free patch for qt4
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- compile qt4 as instructed
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* download and install the official zlib library from www.zlib.org.
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* optionally install iconv, gettext, aspell, aiksaurus following
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the mingw instructions.
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* start from msvc command prompt, use the use_vc option to build lyx.
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You may need to use extra_inc_path etc to point to zlib paths.
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* you can use the msvs_projects target to obtain msvc project files
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for each lyx component.
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- go to development/scons (important)
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- run
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> scons [other options] msvs_projects
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Note that
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- The resulting project files will use scons to build lyx
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- All command line options, including rebuild, can be used as usual
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(when msvs invoke scons).
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- To use the msvc debugger, you have to use mode=debug (default).
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6. Tips and hints
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=================
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* Using external boost libraries (install boost libraries and use
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option boost=system) can speed up scons' starting time a lot, since
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the boost headers will then be considered as system headers and will
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not be included in the dependency tree.
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7. Troubleshooting
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==================
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When you get an error:
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Q. Some path is not found.
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A, Try options such as extra_inc_path, extra_lib_path.
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Q. A test fails (failed to find zlib etc).
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A. Have a look at config.log.
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Q. I get a linking error.
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A. Get the command sequence from scons_lyx.log and see what could
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have gone wrong. You usually only need to tweak the last linking
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command.
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Q. Still can not figure it out.
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A. Send an email to lyx-devel mailing list.
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Q. Feeling too impatient/adventurous to wait for list response.
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A. Read SConstruct and SConscript and see what went wrong. Trust me, they
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are much easier to decipher than the autoconf/m4 files.
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