[Slackbuilds-users] postgis and CGAL 4.12

Konrad J Hambrick kjhambrick at gmail.com
Sun May 20 16:47:57 UTC 2018

All --

Slackware64 14.2 + Multilib system here...

I was holding back until I could figure it out for myself but due to the
gdal reversion I thought maybe I should let fly with my email anyway.

Anyhow I was unable to rebuild postgis with the newest gdal-2.2.4 and
CGAL-4.12 ( and a rebuilt SFCGAL-1.3.5 ).

I consistently ran into a boost issue when compiling postgis-2.4.4:

make[2]: Entering directory '/tmp/SBo/postgis-2.4.4/raster/loader'
gcc -O2 -fPIC  -fPIC -DPIC  -Wall -Wmissing-prototypes -I../rt_core
-I../../liblwgeom  -I/usr/include -I/usr/include   -c raster2pgsql.c
/bin/sh ../../libtool --mode=link gcc -O2 -fPIC  -fPIC -DPIC  -Wall
-Wmissing-prototypes -I../rt_core -I../../liblwgeom  -I/usr/include
-I/usr/include   ../rt_core/librtcore.a raster2pgsql.o ../../liblwgeom/
liblwgeom.la -L/usr/lib64 -lgdal  -L/usr/lib64 -lgeos_c  -lc -lm -o
libtool: link: gcc -O2 -fPIC -fPIC -DPIC -Wall -Wmissing-prototypes
-I../rt_core -I../../liblwgeom -I/usr/include -I/usr/include raster2pgsql.o
-o .libs/raster2pgsql  ../rt_core/librtcore.a
../../liblwgeom/.libs/liblwgeom.so -L/usr/lib64 /usr/lib64/libgdal.so
/usr/lib64/libgeos_c.so -lc -lm -pthread
/usr/lib64/libSFCGAL.so.1: undefined reference to `typeinfo for

I reverted to CGAL-4.11.1 and rebuilt SFCGAL-1.3.5 and postgis-2.4.4 builds
fine and `cd /tmp/SBo/postgis-2.4.4 ; make check` passes all tests.

Looking at the CGAL-4.12 README there is a note about boost:

### Compiler Support

-   The Microsoft Visual C++ 2017 version 15.3 has introduced support for
    C++17, with the compilation flag `/std:c++17`. CGAL 4.12 has an initial
    support for that flag: the code will compile, but a lot of deprecation
    warnings will remain. Note that Boost version 1.67 is the first version
    of Boost supporting `/std:c++17`.

I've got several compiler logs based on various versions of Hard and Soft (
Optional ) Dependencies for postgis-2.2.4 if that would help.

I the meantime, postgis does work with everything updated EXCEPT CGAL-4.12

Any ideas ?


-- kjh
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