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I need few customizations over grass and would use qgis gui for accessing grass. I am building qgis with grass enabled (WITH_GRASS=TRUE). While I am doing that I get the following. Any help is greatly appreciated. Thank you.

Linking C executable ../../../output/lib/qgis/grass/modules/ /usr/lib/grass64/lib/ undefined reference to OSRGetLinearUnits@GDAL_1.8' /usr/lib/grass64/lib/ undefined reference toVSIFree@GDAL_1.8' /usr/lib/grass64/lib/ undefined reference to OSRExportToWkt@GDAL_1.8' /usr/lib/grass64/lib/ undefined reference toOSRGetAttrValue@GDAL_1.8' /usr/lib/grass64/lib/ undefined reference to SetCSVFilenameHook@GDAL_1.8' /usr/lib/grass64/lib/ undefined reference toOSRExportToProj4@GDAL_1.8' /usr/lib/grass64/lib/ undefined reference to OSRIsProjected@GDAL_1.8' /usr/lib/grass64/lib/ undefined reference toOSRNewSpatialReference@GDAL_1.8' /usr/lib/grass64/lib/ undefined reference to OSRExportToPrettyWkt@GDAL_1.8' /usr/lib/grass64/lib/ undefined reference toOSRMorphFromESRI@GDAL_1.8' /usr/lib/grass64/lib/ undefined reference to OSRIsGeographic@GDAL_1.8' /usr/lib/grass64/lib/ undefined reference toOSRMorphToESRI@GDAL_1.8' /usr/lib/grass64/lib/ undefined reference to OSRImportFromProj4@GDAL_1.8' /usr/lib/grass64/lib/ undefined reference toOSRGetUTMZone@GDAL_1.8' /usr/lib/grass64/lib/ undefined reference to `OSRDestroySpatialReference@GDAL_1.8' collect2: ld returned 1 exit status

GDAL 1.9.2, released 2012/10/08 GRASS version: GRASS GIS 6.4.2 Python: 2.7.3 Platform: Ubuntu 12.04.1 LTS / x86_64

The C compiler identification is GNU The CXX compiler identification is GNU Check for working C compiler: /usr/bin/gcc Check for working C compiler: /usr/bin/gcc -- works Detecting C compiler ABI info Detecting C compiler ABI info - done Check for working CXX compiler: /usr/bin/c++ Check for working CXX compiler: /usr/bin/c++ -- works Detecting CXX compiler ABI info Detecting CXX compiler ABI info - done QGIS version: 1.8.0 QGIS (10000) Found GRASS: /usr/lib/grass64 (6.4.2) Touch support disabled Looking for openpty Looking for openpty - not found Looking for openpty Looking for openpty - found Found Proj: /usr/local/lib/ Found GEOS: /usr/lib/ Found GDAL: /usr/local/lib/ (1.9.2) Found Expat: /usr/lib/x86_64-linux-gnu/ Found Spatialindex: /usr/lib/ Found Qwt: /usr/lib/ (5.2.2) Found Sqlite3: /usr/lib/x86_64-linux-gnu/ Found PostgreSQL: /usr/lib/ Looking for Q_WS_X11 Looking for Q_WS_X11 - found Looking for Q_WS_WIN Looking for Q_WS_WIN - not found. Looking for Q_WS_QWS Looking for Q_WS_QWS - not found. Looking for Q_WS_MAC Looking for Q_WS_MAC - not found. Found Qt4: /opt/QtSDK/Desktop/Qt/4.8.1/gcc/bin/qmake (found suitable version "4.8.1", required is "4.4.0") Pedantic compiler settings enabled Found PythonInterp: /usr/bin/python (found version "2.7.3") Found Python executable: /usr/bin/python Found Python version: 2.7.3 Found Python library: /usr/lib/ Found SIP version: 4.13.2 Found PyQt4 version: 4.9.1

Regards, Shrieky

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up vote 2 down vote accepted

Your GRASS was built against GDAL 1.8

Simply, rebuild GRASS with GDAL 1.9.2

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I believe having only one library version of gdal 1.9.2 presently. I remember compiling gdal1.8 sometime back and have overwritten using gdal 1.9.2. Do you think there might be some 1.8 version traces which grass is identifying ? Also I have explicitly mentioned --with-gdal=/usr/local/bin/gdal-config which refers to 1.9.2 and built the grass-6.4.2 which now sits in /usr/local/grass-6.4.2 . I have configured GRASS_INCLUDE_DIR, GRASS_PREFIX, and LIB_PATH to look at /usr/local/grass-6.4.2/lib/ But some reason it says Found GRASS: /usr/lib/grass64 (6.4.2). – Srikanth Dec 5 '12 at 10:16
I have renamed /usr/lib/grass64 to grass64_old. Then its says "Could not find GRASS" – Srikanth Dec 5 '12 at 10:17
Your GRASS libs are linked to GDAL 1.8. It is obvious. Of course, you could link the libs back to GDAL 1.9.2 but I would not advise to do that. Again, recompile your GRASS with GDAL 1.9.2. It should solve the problem. – Vladimir Dec 5 '12 at 10:28
I have removed /usr/lib/grass64 completly and compiled using 1.9.2. Worked. Thank you. – Srikanth Dec 5 '12 at 11:12
If my answer was useful to you plz accept it. =) – Vladimir Dec 5 '12 at 11:32

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