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GPSDrive on OS X

After getting GPSd to compile on OS X, I set my sights on GPSDrive, an open source navigation and map viewing program. When I posted about GPS a couple years ago, I installed GPSDrive, using the version from Fink. However, the latest version of GPSDrive on Fink nowadays is 2.08pre12, while the latest stable release is 2.11. I’ve also moved away from using Fink and/or MacPorts for package management in favor of Homebrew.

To get GPSDrive running I had to do a little bit of fiddling, but it’s fairly easy. First off, I needed to downgrade GPSd from 2.96 to 2.95 — apparently the newest version introduced slight changes to the library that GPSDrive hasn’t yet picked up. However, building the two versions is exactly the same — see my post on building 2.96 for instructions that apply to 2.95. You can get the source package for either version here.

Next I used homebrew to install the dependencies that GPSDrive needs by running brew install gtk+ cairo gtkglext postgresql gettext. Note that these are just the packages I didn’t have going into the build — you may need more, depending on your setup.

With preliminaries out of the way, I downloaded gpsdrive-2.11 from here. As per their build instructions I created a build directory (mkdir build), moved into it (cd build), and then ran cmake. After some serious wrestling with dependency locations and linker flags I figured out the following two steps to get GPSDrive to compile and build.

First, because GPSDrive seems to want to automatically link against libcrypt, which OS X bundles in it’s libc, you need to tell cmake not to use it. I couldn’t figure out how to do with with a cmake configuration option, so I edited gpsrive-2.11/src/CMakeLists.txt and commented out (put a # in front) of the two lines containing the word “crypt”. You could also delete these lines — it has the same effect. This is along the lines of the patch here (see the attachment), that was posted to the GPSDrive mailing list last year, when I pointed out this bug. Sadly, the patch has not been applied to the source tree yet, but I can attest it works, if you care to apply it yourself.

With that out of the way, we can now run the following command from inside the build directory.

cmake -DCMAKE_BUILD_TYPE=Debug\
 -DWITH_FRIENDSD=OFF\
 -DWITH_KISMET=OFF\
 -DWITH_MAPNIK=OFF\
 -DWITH_POSTGIS=OFF\
 -DWITH_SPEECH=OFF\
 -DLIBGPS_OLD=OFF\
 -DGTK2_ATK_INCLUDE_PATH=/usr/local/Cellar/atk/2.0.0/include/atk-1.0\
 -DGTK2_GLIBCONFIG_INCLUDE_PATH=/usr/local/lib/glib-2.0/include\
 -DGTK2_GLIB_INCLUDE_PATH=/usr/local/include/glib-2.0\
 -DGTK2_PANGO_INCLUDE_PATH=/usr/local/Cellar/pango/1.28.4/include/pango-1.0\
 -DGTK2_CAIRO_INCLUDE_PATH=/usr/local/Cellar/cairo/1.10.2/include/cairo\
 -DGTK2_GDKCONFIG_INCLUDE_PATH=/usr/local/Cellar/gtk+/2.24.4/lib/gtk-2.0/include\
 -DGTK2_GTK_LIBRARY=/usr/local/lib/libgtk-x11-2.0.0.dylib\
 -DCMAKE_C_FLAGS="-I/usr/local/Cellar/gdk-pixbuf/2.22.1/include/gdk-pixbuf-2.0"\
 -DCMAKE_EXE_LINKER_FLAGS="-lgdk_pixbuf-2.0.0 -lpango-1.0.0 -lgobject-2.0.0 -L/usr/local/Cellar/gettext/0.18.1.1/lib -lintl"\
 -DMSGFMT_EXECUTABLE=/usr/local/Cellar/gettext/0.18.1.1/bin/msgfmt\
 ..

After cmake generates all the necessary files, you can run make, and assuming it doesn’t give you errors, ./src/gpsdrive will allow you to test your newly built executable, and sudo make install will install it.

Once GPSDrive is up and running you should be able to see your current location (assuming you have a GPS connected to GPSd). If you want to get maps, you can download them from within GPSDrive, which has support for OpenStreeMap tiles, as well as NASA Landsat images (although I haven’t been able to get Landsat to download correctly).

{ 2 } Trackbacks

  1. Dabbler : GPSd under OS X | July 13, 2011 at 12:11 pm | Permalink

    […] Update 7-13-11: I’ve posted an updated set of instructions on getting GPSd to compile on OS X here; this post will remain for archival purposes. For information on installing GPSDrive, see this post. […]

  2. Dabbler : Map Tiles with Python + GDAL | July 13, 2011 at 1:37 pm | Permalink

    […] getting GPSDrive running on OS X I started looking into different sources for maps. The GPSDrive wiki has a couple of interesting […]

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