-Compiling and installing LyX
-============================
+Compiling and installing LyX with autotools
+===========================================
+
+This document is about compiling LyX with the autotools suite. If you
+want to compile using using CMake (in particular on windows), please
+refer to the INSTALL.cmake file.
+
Quick compilation guide
-----------------------
Requirements
------------
-First of all, you will need a C++11 standard conforming compiler, like gcc (at
-least 4.8) or clang.
+First of all, you will need a C++11 standard conforming compiler, like g++ (at
+least 4.9, to have proper srd::regex) or clang++.
-LyX makes great use of the 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 of LyX.
+LyX makes great use of the C++ Standard Library. This means that gcc
+users will have to install the relevant libstdc++ library to be able
+to compile this version of LyX.
For full LyX usability we suggest to use Qt 5.6 and higher, or at the
-very least Qt 5.4. For compilation you need to compile against at least
-Qt 4.8 which has been widely tested, and for Windows we advise at least
-Qt 4.8.4. 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.
+very least Qt 5.4. It is also possible to compile against Qt 6. 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.
To build LyX with spell checking capabilities included you have to
install at least one of the development packages of the spell checker
libraries. See the RELEASE-NOTES for details.
+Users of debian-based distributions are well advised to run
+'apt-get build-dep lyx' before compiling to install proper dependencies.
+
* Other things to note
The two following programs should be available at configuration time:
- o Python 2.7 must be installed. Python is used for many simple tasks
- that are executed by external scripts, such as the automatic
- configuration step and the import of older LyX documents with the
- lyx2lyx script (this script is called automatically when opening a
- file). Python 3 (3.3 or later) support is work in progress.
+ o Python (2.7 or 3.5 and newer) must be installed. Python is used for many
+ simple tasks that are executed by external scripts, such as the automatic
+ configuration step and the import of older LyX documents with the lyx2lyx
+ script (this script is called automatically when opening a file).
Creating the Makefile
release prerelease development profiling gprof
optimization -O2 -O2 -O -O2 -O2
assertions X X
- stdlib-debug X
+ stdlib-assertions X
+ stdlib-debug
warnings X X
debug X X X X
+ maintainer-mode X
- The defaults are as follows in terms of version number
+ The defaults are as follows in terms of version number:
release: stable release (2.x.y)
- prerelease: version number contains alpha, beta, rc or pre.
- development: version number contains dev.
+ prerelease: version number contains `alpha', `beta', `rc' or `pre'.
+ development: version number contains `dev'.
The `profiling' build type uses the -fno-omit-frame-pointer option with gcc
The `gprof' build type compiles and links with -pg option with gcc.
-o --disable-qt5 that forces configuration with Qt 4.x when Qt 5.x is
- also available. By default Qt5 is tried first, and then Qt4.
+ o --enable-qt6 that checks configuration with Qt 6.x, and then Qt
+ 5.x. By default, only Qt5 is tried.
-o --with-extra-lib=DIRECTORY that specifies the path where LyX will
+ o --with-extra-lib=DIRECTORY that specifies the path where LyX will
find extra libraries (like Qt) it needs. Defaults to NONE
(i.e. search in standard places). You can specify several
directories, separated by colons.
precisely (see the description of --enable-build-type for the default
values):
+ o --enable-cxx-mode=VALUE can be used to select a C++ standard, for
+ example --enable-cxx-mode=11. The default is to try C++17, C++14, and
+ C++11, in this order.
+
o --enable-optimization=VALUE enables you to set optimization to a
higher level than the default, for example --enable-optimization=-O3.
optimization of LyX. The compile may be much quicker with some
compilers, but LyX will run more slowly.
- o --disable-std-regex forces the compiler to use boost::regex. The
- default is to use std::regex for known good C++ libraries, but the
- test is not robust for clang. --enable-std-regex will force the
- use of std::regex.
-
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. There is no run-time penalty.
code which checks that some variables have sane values. Opposite
is --disable-assertions.
- o --enable-stdlib-debug adds some debug code in the standard
- library; this slows down the code, but has been helpful in the
- past to find bugs. Note that this is in general incompatible with
- the system boost library (which is used when
- --without-included-boost is specified). You may have to use
- --disable-stdlib-debug when linking development versions against
- your system's boost library.
- The same problem applies to hunspell (as of hunspell 1.5). So either
- compile --with-included-hunspell or --disable-stdlib-debug when
- linking development versions against your system's hunspell library.
+ o --enable-stdlib-assertions adds some bound checking code in the
+ libstdc++ standard library; this slows down the code, but has been
+ helpful in the past to find bugs. This has no effect when using
+ llvm's libc++ library.
+
+ o --enable-stdlib-debug encompasses stdlib-assertions and adds
+ additional checks in libstdc++. Note that this changes the ABI and
+ is in general incompatible with the system hunspell library (as of
+ version 1.5). You may have to use --disable-stdlib-debug when
+ linking development versions against your system's hunspell
+ library. This has no effect when using llvm's libc++ library.
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