Changes between Version 8 and Version 9 of GdalOgrInPerl


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Timestamp:
Sep 9, 2015, 11:55:26 PM (9 years ago)
Author:
Ari Jolma
Comment:

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  • GdalOgrInPerl

    v8 v9  
    1 The GDAL Perl bindings are distributed within the main GDAL source distribution but they are also available on [http://www.cpan.org CPAN] as [http://www.cpan.org/modules/by-module/Geo/ Geo::GDAL].  They are maintained by Ari Jolma.
     1The GDAL Perl bindings are distributed within the main GDAL source distribution but they are also available on [http://www.cpan.org CPAN] as [http://www.cpan.org/modules/by-module/Geo/AJOLMA/ Geo::GDAL].  They are maintained by Ari Jolma.
    22
    33The README: https://svn.osgeo.org/gdal/trunk/gdal/swig/perl/README
    … …  
    77Geo::GDAL is a building block of the [https://github.com/ajolma/geoinformatica Geoinformatica] stack.
    88
    9 Typically you enable building a foreign function interface ("bindings") to GDAL for a specific supported language by using the option --with-perl (replace "perl" with your favorite language) with configure. The effect of this is that during the build process {{{cd swig; make build}}} is issued and all specified interfaces are built by {{{make build}}} in respective library (swig/perl in the case of Perl).
     9You may enable building a foreign function interface ("bindings") to GDAL for a specific supported language by using the option --with-perl (replace "perl" with your favorite language) with configure. The effect of this is that during the build process {{{cd swig; make build}}} is issued and all specified interfaces are built by {{{make build}}} in respective library (swig/perl in the case of Perl).
     10
     11However, for Perl it is suggested that you do not use the --with-perl option but instead first build (or at least run {{{./configure}}} at GDAL root to get GDALmake.opt) GDAL itself, then {{{cd to swig/perl}}}, issue {{{make generate}}}, and proceed as normal with Perl modules, i.e., {{{perl Makefile.pl; make; make test; make install}}}. Generation of the bindings require swig, but chances are that there is a recent enough swig available for your system easily (hint: {{{sudo apt-get install swig}}}).
    1012
    1113The Perl bindings for GDAL are generated from [wiki:SWIG GDAL SWIG interface] files with SWIG. The bindings are a set of .c and .cpp files and other files whose type depends on the language. In the case of Perl, these SWIG generated files are not stored in the repository. The bindings are generated by {{{make generate}}}. In the case of Perl, {{{make build}}} falls back to do {{{make generate}}} first if a wrapper file does not exist.
    … …  
    1315To rebuild wrappers make sure to remove the old ones by {{{make veryclean}}} first.
    1416
    15 The Perl bindings can be tested by {{{make test}}}.
     17The Perl module version numbering differs from that of GDAL because Perl module version numbers are real numbers and GDAL uses semantic numbering (major.minor.patch). GDAL develops in branches, and there is a branch for each minor version. Perl module version numbering is the following.
    1618
    17 The Perl bindings can be installed by {{{make install}}}.
     19||GDAL branch||Geo::GDAL module version||
     20||1.10||1.991x||
     21||1.11||1.992x||
     22||2.0||2.00x||
     23||2.1||2.01x||
     24
     25Where 'x' is an arbitrary string denoting the patch level.
     26
     27The CPAN version for each branch may not be the latest since it may have a lower patch level than what is the current. To create a module with latest patches for a branch it is required to obtain a copy of that branch, possibly by {{{svn co https://svn.osgeo.org/gdal/branches/2.0}}}, configure GDAL, and proceed as explained above. However, there may be a very recent version of the module available at http://ajolma.net/Geo-GDAL/modules