[gdal-dev] Building gdal master with proj master

[Andrew C Aitchison]

On Mon, 29 Apr 2019, Nyall Dawson wrote:

> Hi list,
>
> Trying to build gdal master using proj master today I'm unable to
> resolve a bunch of "undefined reference to
> `proj_create_conversion_oblique_stereographic'" style errors. I think
> my issues come from trying to keep the custom proj build isolated from
> my system version, but I'm stumped in how to fix this....
>
> My build process is:
>
> Proj:
>
> ./configure --prefix=/home/nyall/dev/build-proj
> make
> make install
>
> GDAL:
>
> ./configure --prefix=/home/nyall/dev/build-gdal/
> --with-proj=/home/nyall/dev/build-proj
> make
>
> Results in:
>
> /bin/sh /home/nyall/dev/gdal/gdal/libtool --mode=compile --silent
> --tag=CXX g++ -I/home/nyall/dev/gdal/gdal/port
> -I/home/nyall/dev/gdal/gdal/gcore -I/home/nyall/dev/gdal/gdal/alg
> -I/home/nyall/dev/gdal/gdal/ogr
> -I/home/nyall/dev/gdal/gdal/ogr/ogrsf_frmts
> -I/home/nyall/dev/gdal/gdal/gnm -I/home/nyall/dev/gdal/gdal/apps
> -DHAVE_AVX_AT_COMPILE_TIME -DHAVE_SSSE3_AT_COMPILE_TIME
> -DHAVE_SSE_AT_COMPILE_TIME -g -O2  -Wall -Wextra -Winit-self
> -Wunused-parameter -Wformat -Werror=format-security
> -Wno-format-nonliteral -Wlogical-op -Wshadow -Werror=vla -Wdate-time
> -Wnull-dereference -Wduplicated-cond -Wextra-semi -Wfloat-conversion
> -Wmissing-declarations -Wnon-virtual-dtor -Woverloaded-virtual
> -fno-operator-names -Wzero-as-null-pointer-constant -Wsuggest-override
> -Wimplicit-fallthrough  -I/home/nyall/dev/gdal/gdal/frmts/vrt
> -DGNM_ENABLED -I/home/nyall/dev/gdal/gdal/port
> -I/usr/include/openjpeg-2.3   -DGDAL_COMPILATION
> -I/home/nyall/dev/gdal/gdal/ogr/ogrsf_frmts/geojson/libjson
> -I/home/nyall/dev/gdal/gdal/ogr/ogrsf_frmts/geojson
> -I/home/nyall/dev/gdal/gdal/ogr/ogrsf_frmts/generic
> -I/home/nyall/dev/gdal/gdal/gnm -DHAVE_GEOS=1 -I/usr/include -c -o
> gdaladdo.lo gdaladdo.cpp
> /usr/bin/ld: /home/nyall/dev/gdal/gdal/.libs/libgdal.so: undefined
> reference to `proj_create_conversion_oblique_stereographic'
> ...
> collect2: error: ld returned 1 exit status
> make[1]: *** [GNUmakefile:82: gdalinfo] Error 1
>
> Any clues what I'm missing here?

I think that configure assumes that libtool will add 
/home/nyall/dev/build-proj/lib/libinternalproj.so

I see that my equivalent of
  /home/nyall/dev/build-proj/lib/pkgconfig/proj.pc
has
  Libs: -L${libdir} -lproj
but no mention of
 	-linternalproj

-- 
Andrew C. Aitchison					Cambridge, UK
 			andrew at aitchison.me.uk