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LyX Build Systems

LyX Build Systems

To make an educated guess on what might be the best build system for LyX we try to collect some facts on this page

Implemented features

Rate 0 (non-exitent) ... 5 (full support). Try not to use personal biased numbers but what you think a good consensus might look like. If you strongly oppose a certain rating, add an extra line and mark it as your personal opinion)

                     autotools       scons           cmake           qmake

[A] detection of     
external                 5             4               3               0

[B] create .rpm          5             0      

[C] create .tar.gz       5

[D] create .vcproj       0             2              5               5

[E] create window        0             5              0               

[F] completeness

[G] simplicity of        2             5              3               1
language for extensions

[H] PCH support          0.8*          0              0.8*

[I] Reliability          high          higher

[J} Supported           *nix,mac,      windows, *nix     mac,win/vc **
platforms              mingw,cygwin  (vc,mingw,cygwin)

* not reliable.
** other platforms are supposed to be supported

Measured performance (ratio to autotools, high numbers bad)

                     autotools       scons           cmake           qmake

[11] Empty build       1.0            1.0*             0.5              ?
(release mode)       

[12] Change one file   1.0            1.1/0.7**           0.35             ?   
(release mode)        

[13] Full build        1.0             ?               ?               ?
(release mode)

[21] Empty build       1.0             ?               ?               ?
(debug mode)       

[22] Change one file   1.0             ?               ?               ?   
(debug mode)        

[23] Full build        1.0             0.51            ?               ?
(debug mode, single thread, linux) 

[24] Full build         1.0            0.52
(parallel, 6 threads, linux)

* scons --implicit-deps-unchanged / make = 1.04. scons / make = 1.46. The former uses 
stored dependency, comparable to what make does.

** My test, adding an empty line to src/Buffer.cpp, yields scons/make = 0.69.

Weighting of items (numbers in a column should sum up to 100)

               developer1 developer2 developer3









These are the very reason why I think CMake is superior: - XCode project for Mac - KDevelop project for KDE - GNU Makefiles for gcc - MSVC project for MSVC.

I only seldomly go to the command line to type CMake. With scons (and autotools) I had to do that all the time, which forced me to reload the project every time...


> I chose scons for a lot of reasons, such as flexibility, platform > independence. I have doubt in cmake's approach because I am not sure > if cmake can achieve what we want. Conceptually, I am wondering: > > 1. Who is handling Package.cpp.in ==> Package.cpp? If cmake does it, > then the generated vcproject or xcode stuff can not detect changes in > Package.cpp.in. If cmakes gives this to make or vcproject, how can > cmake make sure these tools can do something like this? If cmake has > to re-generated a vcproject after such a change, why cmake is better > than autogen.sh? > > 2. Along the same line, will cmake be able to do 'cmake install > version_prefix=16', 'cmake install DESTDIR=destdir' in a platform > independent way? If vcproject does not do installation, how would > cmake do it, or trick vcproject do it? > > Overall, scons tries not to depend on another build system to achive > maximum power, and I am not sure how cmake can achieve the same.

Commandline arguments for autotools and cmake

The following table compares commandline arguments of configure (autotools) and cmake. All autotools options of the form --enable-something have also a corresponding --disable-something, and all autotools options of the form --with-something have also a corresponding --without-something

configuration commandline arguments
compiler warnings--enable-warnings
custom C++ compiler flagsCXXFLAGS=-fmessage-length=0
custom preprocessor flagsCPPFLAGS=-fmessage-length=0
custom C compiler flagsCFLAGS=-fmessage-length=0
custom archiverAS=x86_64-w64-mingw32-as
custom assemblerAR=x86_64-w64-mingw32-ar
custom assemblerAS=x86_64-w64-mingw32-as
custom C compilerCC=x86_64-w64-mingw32-gcc
custom C++ compilerCXX=x86_64-w64-mingw32-g++
custom objective C compilerOBJC=x86_64-w64-mingw32-gcc In theory only needeed for OS X, but due to the implementation of autotools test also needed for cross compilation if an objc compiler for the host system is installed.
custom archive indexerRANLIB=x86_64-w64-mingw32-ranlib
custom resource compilerRC=x86_64-w64-mingw32-windres only needed for windows builds
debug builds--enable-debug
C++ runtime library debug builds--enable-stdlib-debug
included boost--with-included-boost
included iconv--with-included-iconv
included hunspell--with-included-hunspell
included mythes--with-included-mythes
included zlib--with-included-zlib
installation prefix--prefix=/opt/lyx
qt version--enable-qt5-DLYX_USE_QT=QT5
C++ standard--enable-cxx11-DLYX_ENABLE_CXX11=ON
compiler optimizationenable-optimization=-O2
version suffix--with-version-suffix=-2.3-DLYX_PROGRAM_SUFFIX=ONautotools allows arbitrary string, cmake a fixed value tat can be switched on and off
verbose compiler output--disable-silent-rules
monolithic build--enable-monolithic-build[=LIST]-DLYX_MERGE_FILES=ONautotools allows a list of modules, don't know if this is important
cross compilation--host=x86_64-pc-mingw64 this is an example for 64bit mingw, it can be any string as long as you have a correspoding cross compiler in the path
create GUI application -DLYX_CONSOLE=ONonly for windows


Related discussion threads:


Category: Development, LyX_1_6 LyX_2_3

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Page last modified on 2016-06-05 12:01 CEST