On Feb 16, 2012, at 11:10 PM, Dan Dittmann wrote:
> I am now able to build QGIS. As far as I can tell, there were two issues
> affecting the build.
>
> 2) The portion of the script FindGDAL.cmake script which verifies the GDAL
> version does not play nice with libraries which are not structured as OS X
> style frameworks (as is the case for many frameworks installed by MacPorts).
> To rectify this, I commented out lines 56 through 64 of the script
> ./cmake/FindGDAL.cmake.
>
> I suspect I maybe over simplifying or even overlooking something, but
> wouldn't it make more sense to attempt parsing the output from running
> gdal-config --version
> rather than grabbing it from a plist file?
>
>
>
> === Lines 56 through 64 of ./cmake/FindGDAL.cmake ===
>
> # GET_VERSION_PLIST (${GDAL_LIBRARY}/Resources/Info.plist
> GDAL_VERSION)
> # IF (NOT GDAL_VERSION)
> # MESSAGE (FATAL_ERROR "Could not determine GDAL version from
> framework.")
> # ENDIF (NOT GDAL_VERSION)
> # STRING(REGEX REPLACE "([0-9]+)\\.([0-9]+)\\.([0-9]+)" "\\1"
> GDAL_VERSION_MAJOR "${GDAL_VERSION}")
> # STRING(REGEX REPLACE "([0-9]+)\\.([0-9]+)\\.([0-9]+)" "\\2"
> GDAL_VERSION_MINOR "${GDAL_VERSION}")
> # IF (GDAL_VERSION_MAJOR LESS 1 OR GDAL_VERSION_MINOR LESS 4)
> # MESSAGE (FATAL_ERROR "GDAL version is too old (${GDAL_VERSION}).
> Use 1.4.0 or higher.")
> # ENDIF (GDAL_VERSION_MAJOR LESS 1 OR GDAL_VERSION_MINOR LESS 4)
>
> === ===
The QGIS findGDAL.cmake is designed to prefer the framework GDAL. If it is
present and you want to use a library GDAL (ie Macports), add to your cmake
config:
-D CMAKE_FIND_FRAMEWORK=LAST
The only problem is that ALL frameworks (except Qt and system) will be skipped
completely.
But your verbose compile still looks good:
> /usr/bin/c++ -arch x86_64 -isysroot /Developer/SDKs/MacOSX10.7.sdk -bundle
> -Wl,-headerpad_max_install_names -o ../../../PlugIns/qgis/libogrprovider.so
> CMakeFiles/ogrprovider.dir/qgsogrprovider.cpp.o
> CMakeFiles/ogrprovider.dir/qgsogrdataitems.cpp.o
> CMakeFiles/ogrprovider.dir/moc_qgsogrprovider.cxx.o
> CMakeFiles/ogrprovider.dir/moc_qgsogrdataitems.cxx.o
> -L/Users/dandittmann/Desktop/qgis-Quantum-GIS/build/src/core
> -L/Users/dandittmann/Desktop/qgis-Quantum-GIS/build/src/gui
> ../../../output/lib/qgis_core.framework/Versions/1.9/qgis_core -framework
> CoreFoundation -framework IOKit /opt/local/lib/libQtXml.dylib
> /opt/local/lib/libQtCore.dylib /opt/local/lib/libQtGui.dylib
> /opt/local/lib/libQtNetwork.dylib /opt/local/lib/libQtSvg.dylib -framework
> PROJ -framework GEOS -framework GDAL -framework SQLite3
From this, I don't see any way that it can accidentally find a different GDAL
than intended. Cmake is very explicit with linking to avoid accidental linking.
So it's still a mystery. Probably something wierd in Macports. Personally I
don't care for Macports (or Fink), and my ultimate advice would be to uninstall
it completely and follow the QGIS install instructions for compiling cmake and
the other dependencies manually and installing the stock Qt. But it's your
choice...
-----
William Kyngesburye <kyngchaos*at*kyngchaos*dot*com>
http://www.kyngchaos.com/
"Oh, look, I seem to have fallen down a deep, dark hole. Now what does that
remind me of? Ah, yes - life."
- Marvin
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