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add Qwt build instructions for OSX; misc cleanup for OSX 
git-svn-id: http://svn.osgeo.org/qgis/trunk@12726 c8812cc2-4d05-0410-92ff-de0c093fc19c
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kyngchaos committed Jan 10, 2010
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Expand Up @@ -357,27 +357,29 @@ on qgis.nsi and choose the option 'Compile NSIS Script'.
% ----Please leave this break marker here for clarity - it wont be rendered ---
% -----------------------------------------------------------------------------

= Building on Mac OSX using frameworks and cmake (QGIS > 0.8) =
= Building on Mac OSX using frameworks and cmake or Xcode =


In this approach I will try to avoid as much as possible building dependencies
from source and rather use frameworks wherever possible.

Included are a few notes for building on Mac OS X 10.5 (__Leopard__) and 10.6
(__Snow Leopard__).
The base system here is Mac OS X 10.4 (__Tiger__) and below. Included are a few notes
for building on Mac OS X 10.5 (__Leopard__) and 10.6 (__Snow Leopard__).

__Snow Leopard note:__ A cmake/qt/sip bug currently exists where a 32-bit
cmake build fails to provide python bindings. This means that python plugin support
is currently lacking for 32-bit builds using cmake in Snow Leopard. See the Xcode
build method to if you require python support.

== Install XCODE ==
== Install Xcode ==

I recommend to get the latest xcode dmg from the Apple XDC Web site. Install
XCODE after the ~1gb download is complete.
I recommend to get the latest Xcode dmg from the Apple XDC Web site
(http:/developer.apple.com). The Mac system install disks come with a copy of
Xcode, but it's likely out of date.
Install Xcode after the ~1gb download is complete.

/!\ Note: It may be that you need to create some symlinks after installing
the XCODE SDK (in particular if you are using XCODE 2.5 on tiger):
Xcode (in particular if you are using Xcode 2.5 on Tiger):

```
cd /Developer/SDKs/MacOSX10.4u.sdk/usr/
Expand All @@ -392,8 +394,7 @@ You need a minimum of Qt-4.3.0. I suggest getting the latest.
__Snow Leopard note:__ If you are building on Snow Leopard, you will need to
decide between 32-bit support in the older, Qt Carbon branch, or 64-bit
support in the Qt Cocoa branch. Appropriate installers are available for both
as of Qt-4.5.2, and the release candidate of Qt-4.6.0-cocoa works fairly well
with Qgis as tested with nightly snapshots of sip and pyqt.
as of Qt-4.5.2. Qt 4.6+ is recommended for Cocoa.

```
http://qt.nokia.com/downloads
Expand All @@ -405,7 +406,10 @@ addition to the non-debug frameworks.
Once downloaded open the dmg and run the installer. Note you need admin
privileges to install.

__Qt 4.4+ note:__ Starting in Qt 4.4 (?) libQtCLucene was added, and in 4.5 libQtUiTools was added, both in /usr/lib. When using a system SDK (which will happen in the Xcode build), these libraries will not be found. To fix this problem, add symlinks to /usr/local:
__Qt 4.4+ note:__ Starting in Qt 4.4 (?) libQtCLucene was added, and in 4.5
libQtUiTools was added, both in /usr/lib. When using a system SDK (which will
happen in the Xcode build), these libraries will not be found. To fix this problem,
add symlinks to /usr/local:

```
sudo ln -s /usr/lib/libQtUiTools.a /usr/local/lib/
Expand All @@ -420,7 +424,9 @@ adding '/usr/local/lib' to LIBRARY_SEARCH_PATHS in the Xcode build.

== Install development frameworks for QGIS dependencies ==

Download William Kyngesburye's excellent GDAL Complete package that includes PROJ, GEOS, GDAL, SQLite3, and image libraries, as frameworks.
Download William Kyngesburye's excellent GDAL Complete package that includes
PROJ, GEOS, GDAL, SQLite3, and image libraries, as frameworks. There is also
a GSL framework.

```
http://www.kyngchaos.com/wiki/software:frameworks
Expand Down Expand Up @@ -453,31 +459,6 @@ Likewise, for 32-bit support on Snow Leopard, you will need to override the
default system architecture, which is 64-bit, according to instructions for
individual dependency packages.

=== Additional Dependencies : GSL ===

Retrieve the current version of the Gnu Scientific Library from:

```
ftp://ftp.gnu.org/gnu/gsl/
```

Then extract it and build it to a prefix of /usr/local. Double-click the source
tarball to unpack it, then, in Terminal.app, cd to the source folder and:

```
./configure
make
sudo make install
```

__Snow Leopard note:__ Snow Leopard compiles 64bit by default.
For explicit 32-bit support in gsl, substitute the standard configure line with:

```
./configure CFLAGS="-Os -arch i386"
```


=== Additional Dependencies : Expat ===

__Snow Leopard note:__ Snow Leopard includes a usable expat, so this step is
Expand Down Expand Up @@ -508,7 +489,7 @@ __Leopard note:__ To compile for 64bit, substitute the standard configure line w

__Leopard and Snow Leopard note:__ Leopard and Snow Leopard include a usable
Python 2.5 and 2.6, respectively. So there is no need to install Python on
Leopard and Snow Leopard You can still install Python from python.org if preferred.
Leopard and Snow Leopard. You can still install Python from python.org if preferred.

Make sure you install at least the latest Python 2.5 from

Expand Down Expand Up @@ -619,6 +600,60 @@ python2.6 configure.py -d /Library/Python/2.6/site-packages -b /usr/local/bin --
```


=== Additional Dependencies : Qwt/PyQwt ===

The GPS tracking feature uses Qwt. Some popular 3rd-party plugins use PyQwt.
You can take care of both with the PyQwt source from:

```
http://pyqwt.sourceforge.net/
```

Double-click the tarball to unpack it.

Now, first edit qwtconfig.pri in the qwt-5.2 subdir and change some settings so
you don't get a bloated debug static library (too bad they are configurable from
qmake). Scroll down to the 'release/debug mode' block. Edit the last 'CONFIG +='
line, within an 'else' block, and change 'debug' to 'release'. Also uncomment
(remove # prefix) the line 'CONFIG += QwtDll'.

Save and close.

Now, cd into the qwt-5.2 subdir in a Terminal. Type these commands to build and install:

```
qmake -spec macx-g++
make
sudo make install
```

The Qwt shared library is now installed in /usr/local/qwt-5.x.x[-svn] (x.x is the
minor.point version, and it may be an SVN version). Remember this for QGIS and PyQwt configuration.

Now for PyQwt. Still in the Terminal:

```
python configure.py --extra-include-dirs=/usr/local/qwt-5.2.1-svn/include \
--extra-lib-dirs=/usr/local/qwt-5.2.1-svn/lib --extra-libs=qwt
make
sudo make install
```

Make sure to use the qwt install path from the Qwt build above.

__Snow Leopard note__

If using Qt Carbon, you need to specify which architectures to build, otherwise
it will default to a combination that does not work (ie x86_64 for a Carbon Qt).
This is not needed for Qt Cocoa. Configure as follows:

```
python configure.py --extra-cflags="-arch i386" --extra-cxxflags="-arch i386" \
--extra-lflags="-arch i386" --extra-include-dirs=/usr/local/qwt-5.2.1-svn/include \
--extra-lib-dirs=/usr/local/qwt-5.2.1-svn/lib --extra-libs=qwt
```


=== Additional Dependencies : Bison ===

__Leopard and Snow Leopard note:__ Leopard and Snow Leopard include Bison 2.3, so this step can be skipped on Leopard and Snow Leopard.
Expand All @@ -639,7 +674,7 @@ make
sudo make install
```

== Install CMAKE for OSX ==
== Install CMake for OSX ==

Get the latest source release from here:

Expand Down Expand Up @@ -742,13 +777,13 @@ I suggest you press 'p' to accept the key permanently.

== Configure the build ==

There are 2 different methods to build QGIS: the traditional Cmake method,
There are 2 different methods to build QGIS: the traditional CMake method,
and the new Xcode project (starting with QGIS 1.1). The Xcode project has
additional bundling steps, though some optional Qgis features must be explicitly
stated in a user configuration file. The Cmake build handles optional features,
additional bundling steps, though some optional QGIS features must be explicitly
stated in a user configuration file. The CMake build handles optional features,
and some bundling steps are available with scripts in the mac directory.

=== Configure the Cmake build ===
=== Configure the CMake build ===

CMake supports out of source build so we will create a 'build' dir for the
build process. OS X uses ${HOME}/Applications as a standard user app folder (it gives it the system app folder icon).
Expand Down

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