Difference between revisions of "Getting Started/Build/Windows/Cross-Compiling"

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==Basic tools==
 
==Basic tools==
 
===MinGw===
 
===MinGw===
Install mingw for linux, on debian the packages are called mingw32, mingw32-binutils, mingw32-runtime, you need to install mingw32 with gcc/g++ 3 and not 4 since that doesn't work with kdelibs, debian testing/unstable has gcc 4 so i've installed mingw32 package from ubuntu repository
+
Install mingw for linux
 +
 
 +
On debian the packages are called mingw32, mingw32-binutils, mingw32-runtime, you need to install mingw32 with gcc/g++ 3 and not 4 since that doesn't work with kdelibs, debian testing/unstable has gcc 4 so i've installed mingw32 package from ubuntu repository.
 +
 
 +
On gentoo, you need to do the following: "emerge crossdev; crossdev mingw32".
 +
 
 
===Qt4 Kdesupport and dependencies===
 
===Qt4 Kdesupport and dependencies===
 
You can install these dependencies(aspell, boost, dbus, qca etc..) from windows with the kdewin installer or manually download them from [http://sourceforge.net/project/showfiles.php?group_id=214730 sourceforge mirrors]
 
You can install these dependencies(aspell, boost, dbus, qca etc..) from windows with the kdewin installer or manually download them from [http://sourceforge.net/project/showfiles.php?group_id=214730 sourceforge mirrors]
Line 14: Line 19:
 
* Create two files Toolchain-mingw32.cmake and mingw32-kdelibs.cmake with this contents and place them somewhere i.e. in your home
 
* Create two files Toolchain-mingw32.cmake and mingw32-kdelibs.cmake with this contents and place them somewhere i.e. in your home
 
====Toolchain-mingw32.cmake====
 
====Toolchain-mingw32.cmake====
<code scheme>
+
<syntaxhighlight lang="scheme">
 +
set(KDE_PREFIX    /windows/kde4)
 +
set(KDE4_SRC_DIR  /home/kdeuser/kde/src)
 +
 
 
# the name of the target operating system
 
# the name of the target operating system
 
SET(CMAKE_SYSTEM_NAME Windows)
 
SET(CMAKE_SYSTEM_NAME Windows)
Line 23: Line 31:
  
 
# here is the target environment located
 
# here is the target environment located
SET(CMAKE_FIND_ROOT_PATH  /usr/i586-mingw32msvc /windows/kde4 )
+
SET(CMAKE_FIND_ROOT_PATH  /usr/i586-mingw32msvc ${KDE_PREFIX} )
  
 
# adjust the default behaviour of the FIND_XXX() commands:
 
# adjust the default behaviour of the FIND_XXX() commands:
Line 33: Line 41:
  
 
# FindQt4.cmake querys qmake to get information, this doesn't work when crosscompiling
 
# FindQt4.cmake querys qmake to get information, this doesn't work when crosscompiling
set(KDE_PREFIX    /windows/kde4)
+
set(QT_BINARY_DIR  ${KDE4_SRC_DIR}/qt-copy/bin)
set(QT_BINARY_DIR  /home/kdeuser/kde/src/qt-copy/bin)
+
 
set(QT_LIBRARY_DIR  ${KDE_PREFIX}/lib)
 
set(QT_LIBRARY_DIR  ${KDE_PREFIX}/lib)
 
set(QT_QTCORE_LIBRARY  ${KDE_PREFIX}/lib/libQtCore4.a)
 
set(QT_QTCORE_LIBRARY  ${KDE_PREFIX}/lib/libQtCore4.a)
Line 42: Line 49:
 
set(QT_QMAKE_EXECUTABLE  ${QT_BINARY_DIR}/qmake)
 
set(QT_QMAKE_EXECUTABLE  ${QT_BINARY_DIR}/qmake)
 
set(QT_UIC_EXECUTABLE  ${QT_BINARY_DIR}/uic)
 
set(QT_UIC_EXECUTABLE  ${QT_BINARY_DIR}/uic)
</code>
+
</syntaxhighlight>
  
 
====mingw32-kdelibs.cmake====
 
====mingw32-kdelibs.cmake====
<code scheme>
+
<syntaxhighlight lang="scheme">
 
set(KDE_PREFIX    /windows/kde4)
 
set(KDE_PREFIX    /windows/kde4)
 
set(KDE4_BIN_DIR    /home/kdeuser/kde/bin)
 
set(KDE4_BIN_DIR    /home/kdeuser/kde/bin)
Line 68: Line 75:
 
set(KDE4_AUTOMOC_EXECUTABLE ${KDE4_BIN_DIR}/kde4automoc CACHE PATH "")
 
set(KDE4_AUTOMOC_EXECUTABLE ${KDE4_BIN_DIR}/kde4automoc CACHE PATH "")
 
set(KDE4_MEINPROC_EXECUTABLE ${KDE4_BIN_DIR}/meinproc4 CACHE PATH "")
 
set(KDE4_MEINPROC_EXECUTABLE ${KDE4_BIN_DIR}/meinproc4 CACHE PATH "")
</code>
+
</syntaxhighlight>
 
<br/>
 
<br/>
 
adjust the values according to your setup
 
adjust the values according to your setup
  
 
==Build kdelibs==
 
==Build kdelibs==
<code bash>
+
<syntaxhighlight lang="bash">
 
svn co svn://anonsvn.kde.org/home/kde/trunk/KDE/kdelibs
 
svn co svn://anonsvn.kde.org/home/kde/trunk/KDE/kdelibs
 
cd kdelibs
 
cd kdelibs
Line 79: Line 86:
 
cd build
 
cd build
 
cmake -DCMAKE_TOOLCHAIN_FILE=~/Toolchain-mingw32.cmake ..
 
cmake -DCMAKE_TOOLCHAIN_FILE=~/Toolchain-mingw32.cmake ..
</code>
+
</syntaxhighlight>
 
* you have to make a link to your kde4automoc and kconfig_compiler for linux in the bin directory
 
* you have to make a link to your kde4automoc and kconfig_compiler for linux in the bin directory
<code bash>
+
<syntaxhighlight lang="bash">
 
ln -s /path/to/kde4automoc bin/
 
ln -s /path/to/kde4automoc bin/
 
ln -s /path/to/kconfig_compiler bin/
 
ln -s /path/to/kconfig_compiler bin/
</code>
+
</syntaxhighlight>
 
* since linux is case sensitive you have to make symbolic links for some headers
 
* since linux is case sensitive you have to make symbolic links for some headers
<code bash>
+
<syntaxhighlight lang="bash">
 
cd /windows/kde4/include
 
cd /windows/kde4/include
 
ln -s soprano Soprano
 
ln -s soprano Soprano
</code>
+
</syntaxhighlight>
  
 
* You will get an error in klauncher.moc about slotKDEInitData so go into kinit and do something like this(you need wine)
 
* You will get an error in klauncher.moc about slotKDEInitData so go into kinit and do something like this(you need wine)
<code bash>
+
<syntaxhighlight lang="bash">
 
rm *.moc
 
rm *.moc
 
../bin/kde4automoc.exe /home/kdeuser/kde/src/KDE/kdelibs/build/kinit/klauncher_automoc.cpp /home/kdeuser/kde/src/KDE/kdelibs/kinit /home/kdeuser/kde/src/KDE/kdelibs/build/kinit /windows/kde4/bin/moc.exe
 
../bin/kde4automoc.exe /home/kdeuser/kde/src/KDE/kdelibs/build/kinit/klauncher_automoc.cpp /home/kdeuser/kde/src/KDE/kdelibs/kinit /home/kdeuser/kde/src/KDE/kdelibs/build/kinit /windows/kde4/bin/moc.exe
</code>
+
</syntaxhighlight>
 
and then do make as usual
 
and then do make as usual
  
Line 104: Line 111:
 
==Build kdepimlibs==
 
==Build kdepimlibs==
 
This is easy :)
 
This is easy :)
<code bash>
+
<syntaxhighlight lang="bash">
 
svn co svn://anonsvn.kde.org/home/kde/trunk/KDE/kdepimlibs
 
svn co svn://anonsvn.kde.org/home/kde/trunk/KDE/kdepimlibs
 
cd kdepimlibs
 
cd kdepimlibs
Line 112: Line 119:
 
make
 
make
 
make install
 
make install
</code>
+
</syntaxhighlight>
  
 
==Build kdebase==
 
==Build kdebase==
 
This is easy :)
 
This is easy :)
<code bash>
+
<syntaxhighlight lang="bash">
 
svn co svn://anonsvn.kde.org/home/kde/trunk/KDE/kdebase
 
svn co svn://anonsvn.kde.org/home/kde/trunk/KDE/kdebase
 
cd kdebase
 
cd kdebase
Line 124: Line 131:
 
make
 
make
 
make install
 
make install
</code>
+
</syntaxhighlight>
  
 
== Icecream ==
 
== Icecream ==
Line 132: Line 139:
 
For Debian Etch, you can get an icecream environment from here:
 
For Debian Etch, you can get an icecream environment from here:
  
ftp://ftp.kdab.net/pub/gpg4win/devtools/debian-etch-mingw32-icecream-env.tar.gz
+
ftp://ftp.kdab.com/gpg4win/devtools/debian-etch-mingw32-icecream-env.tar.gz
  
 
(If you want to create your own environment: icecc-create-env does a good job except that it packages the wrong as. /usr/bin/i586-mingw32msvc-as is needed)
 
(If you want to create your own environment: icecc-create-env does a good job except that it packages the wrong as. /usr/bin/i586-mingw32msvc-as is needed)
Line 138: Line 145:
 
The bin/ dir with symlinks from i586-mingw32msvc-* to /usr/bin/icecc:
 
The bin/ dir with symlinks from i586-mingw32msvc-* to /usr/bin/icecc:
  
ftp://ftp.kdab.net/pub/gpg4win/devtools/icecc-mingw-bin.tar.bz2
+
ftp://ftp.kdab.com/gpg4win/devtools/icecc-mingw-bin.tar.bz2
  
 
Untar icecc-mingw-bin.tar.bz2 to icecc-mingw-bin
 
Untar icecc-mingw-bin.tar.bz2 to icecc-mingw-bin
Line 144: Line 151:
 
Then set the following environment variables:
 
Then set the following environment variables:
  
<code bash>
+
<syntaxhighlight lang="bash">
 
export PATH=/path/to/icecc-mingw-bin/bin:$PATH
 
export PATH=/path/to/icecc-mingw-bin/bin:$PATH
 
export ICECC_CC=i586-mingw32msvc-gcc
 
export ICECC_CC=i586-mingw32msvc-gcc
 
export ICECC_CXX=i586-mingw32msvc-g++
 
export ICECC_CXX=i586-mingw32msvc-g++
export ICECC_VERSION=/path/to/debian-etch-mingw32-icecream-env.tar.gz
+
export ICECC_VERSION=i686:/path/to/debian-etch-mingw32-icecream-env.tar.gz,x86_64:/path/to/debian-etch-mingw32-icecream-env.tar.gz
<code>
+
</syntaxhighlight>
  
 
(Re-)run cmake and have fun.
 
(Re-)run cmake and have fun.

Latest revision as of 15:28, 8 February 2013

noframe
 
This section needs improvements: Please help us to

cleanup confusing sections and fix sections which contain a todo


cross compiling is still unstable
Ktip.png
 
Tip
Note: This page is about KDE 4. It isn't applicable for KDE 3 development.

Contents

[edit] Basic tools

[edit] MinGw

Install mingw for linux

On debian the packages are called mingw32, mingw32-binutils, mingw32-runtime, you need to install mingw32 with gcc/g++ 3 and not 4 since that doesn't work with kdelibs, debian testing/unstable has gcc 4 so i've installed mingw32 package from ubuntu repository.

On gentoo, you need to do the following: "emerge crossdev; crossdev mingw32".

[edit] Qt4 Kdesupport and dependencies

You can install these dependencies(aspell, boost, dbus, qca etc..) from windows with the kdewin installer or manually download them from sourceforge mirrors

[edit] Qt4 and KDE4 for linux

You also need to have Qt4 and KDE4 already installed on linux, to use moc/uic/kde4automoc etc...

[edit] Cmake

To cross compile KDE you need CMake >= 2.5, you can get the last version from CVS

  • Create two files Toolchain-mingw32.cmake and mingw32-kdelibs.cmake with this contents and place them somewhere i.e. in your home

[edit] Toolchain-mingw32.cmake

set(KDE_PREFIX    /windows/kde4)
set(KDE4_SRC_DIR  /home/kdeuser/kde/src)
 
# the name of the target operating system
SET(CMAKE_SYSTEM_NAME Windows)
 
# which compilers to use for C and C++
SET(CMAKE_C_COMPILER i586-mingw32msvc-gcc)
SET(CMAKE_CXX_COMPILER i586-mingw32msvc-g++)
 
# here is the target environment located
SET(CMAKE_FIND_ROOT_PATH  /usr/i586-mingw32msvc ${KDE_PREFIX} )
 
# adjust the default behaviour of the FIND_XXX() commands:
# search headers and libraries in the target environment, search
# programs in the host environment
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
 
# FindQt4.cmake querys qmake to get information, this doesn't work when crosscompiling
set(QT_BINARY_DIR   ${KDE4_SRC_DIR}/qt-copy/bin)
set(QT_LIBRARY_DIR  ${KDE_PREFIX}/lib)
set(QT_QTCORE_LIBRARY   ${KDE_PREFIX}/lib/libQtCore4.a)
set(QT_QTCORE_INCLUDE_DIR ${KDE_PREFIX}/include/QtCore)
set(QT_MKSPECS_DIR  ${KDE_PREFIX}/mkspecs)
set(QT_MOC_EXECUTABLE  ${QT_BINARY_DIR}/moc)
set(QT_QMAKE_EXECUTABLE  ${QT_BINARY_DIR}/qmake)
set(QT_UIC_EXECUTABLE  ${QT_BINARY_DIR}/uic)

[edit] mingw32-kdelibs.cmake

set(KDE_PREFIX    /windows/kde4)
set(KDE4_BIN_DIR    /home/kdeuser/kde/bin)
 
# this one is used by FindKDE4.cmake to load FindKDE4Internal.cmake:
set(KDE4_DATA_DIR    ${KDE_PREFIX}/share/apps CACHE PATH "points to the apps directory of installed kdelibs")
 
# not sure about this one:
set(KDEWIN_DIR ${KDE_PREFIX} CACHE PATH "what is it ?")
 
# disable some things:
set(WITH_AVAHI OFF   CACHE BOOL "Disabled")
set(WITH_DNSSD OFF   CACHE BOOL "Disabled")
set(WITH_ENCHANT OFF CACHE BOOL "Disabled")
set(WITH_FAM OFF     CACHE BOOL "Disabled")
set(WITH_GSSAPI OFF  CACHE BOOL "Disabled")
set(WITH_HSPELL OFF  CACHE BOOL "Disabled")
set(WITH_OpenEXR OFF CACHE BOOL "Disabled")
 
# use the binaries from native KDE4
set(KDE4_KCFGC_EXECUTABLE ${KDE4_BIN_DIR}/kconfig_compiler CACHE PATH "")
set(KDE4_AUTOMOC_EXECUTABLE ${KDE4_BIN_DIR}/kde4automoc CACHE PATH "")
set(KDE4_MEINPROC_EXECUTABLE ${KDE4_BIN_DIR}/meinproc4 CACHE PATH "")


adjust the values according to your setup

[edit] Build kdelibs

svn co svn://anonsvn.kde.org/home/kde/trunk/KDE/kdelibs
cd kdelibs
mkdir build
cd build
cmake -DCMAKE_TOOLCHAIN_FILE=~/Toolchain-mingw32.cmake ..
  • you have to make a link to your kde4automoc and kconfig_compiler for linux in the bin directory
ln -s /path/to/kde4automoc bin/
ln -s /path/to/kconfig_compiler bin/
  • since linux is case sensitive you have to make symbolic links for some headers
cd /windows/kde4/include
ln -s soprano Soprano
  • You will get an error in klauncher.moc about slotKDEInitData so go into kinit and do something like this(you need wine)
rm *.moc
../bin/kde4automoc.exe /home/kdeuser/kde/src/KDE/kdelibs/build/kinit/klauncher_automoc.cpp /home/kdeuser/kde/src/KDE/kdelibs/kinit /home/kdeuser/kde/src/KDE/kdelibs/build/kinit /windows/kde4/bin/moc.exe

and then do make as usual

  • Another error in kdewidgets because wine doesn't find some dll to run makekdewidgets.exe so either run the linux version manually like this
makekdewidgets -o /home/kdeuser/kde/src/KDE/kdelibs/build/kdewidgets/kdewidgets.cpp /home/kdeuser/kde/src/KDE/kdelibs/kdewidgets/kde.widgets

or symlink those missing library in your wine system32 folder(i haven't tested it but it should work)

[edit] Build kdepimlibs

This is easy :)

svn co svn://anonsvn.kde.org/home/kde/trunk/KDE/kdepimlibs
cd kdepimlibs
mkdir build
cd build
cmake -DCMAKE_TOOLCHAIN_FILE=~/Toolchain-mingw32.cmake -C ~/mingw32-kdelibs.cmake  ..
make
make install

[edit] Build kdebase

This is easy :)

svn co svn://anonsvn.kde.org/home/kde/trunk/KDE/kdebase
cd kdebase
mkdir build
cd build
cmake -DCMAKE_TOOLCHAIN_FILE=~/Toolchain-mingw32.cmake -C ~/mingw32-kdelibs.cmake ..
make
make install

[edit] Icecream

One of the joys of cross-compiling is the possibility to use an icecream cluster to speed up compilation.

For Debian Etch, you can get an icecream environment from here:

ftp://ftp.kdab.com/gpg4win/devtools/debian-etch-mingw32-icecream-env.tar.gz

(If you want to create your own environment: icecc-create-env does a good job except that it packages the wrong as. /usr/bin/i586-mingw32msvc-as is needed)

The bin/ dir with symlinks from i586-mingw32msvc-* to /usr/bin/icecc:

ftp://ftp.kdab.com/gpg4win/devtools/icecc-mingw-bin.tar.bz2

Untar icecc-mingw-bin.tar.bz2 to icecc-mingw-bin

Then set the following environment variables:

export PATH=/path/to/icecc-mingw-bin/bin:$PATH
export ICECC_CC=i586-mingw32msvc-gcc
export ICECC_CXX=i586-mingw32msvc-g++
export ICECC_VERSION=i686:/path/to/debian-etch-mingw32-icecream-env.tar.gz,x86_64:/path/to/debian-etch-mingw32-icecream-env.tar.gz

(Re-)run cmake and have fun.


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