[postgis-users] [postgis-devel] Problem compiling postgis

Paul Ramsey pramsey at cleverelephant.ca
Fri Jun 2 12:50:10 PDT 2023 


> On Jun 2, 2023, at 12:47 PM, Regina Obe <lr at pcorp.us> wrote:
> 
> I think Bjorn was concerned it was too big of an update to push into a stable release,
> Though I guess if it's preventing people from building, maybe we need to or at least a partial update.
> I'm not sure we should bother with 3.2 though as it seems to be an issue that is affecting newer OS and such people probably won't be bothering with PostGIS 3.2.

Well, it is affecting people doing their own builds. Homebrew bumping their copy of abseil up in combination with this means everyone on home-brew is going to bang into this if they are building something more than 2 years old… presumably this will end up affecting all kinds of environments that run with a latest-and-greatest policy, as they pull in newer abseil.

P.

> 
> Added back the users list and Pankaj.
> 
> Thanks,
> Regina
> 		
> 
>> -----Original Message-----
>> From: postgis-devel [mailto:postgis-devel-bounces at lists.osgeo.org] On Behalf
>> Of Paul Ramsey
>> Sent: Friday, June 2, 2023 3:05 PM
>> To: PostGIS Development Discussion <postgis-devel at lists.osgeo.org>
>> Cc: Björn Harrtell <bjorn.harrtell at gmail.com>
>> Subject: Re: [postgis-devel] [postgis-users] Problem compiling postgis
>> 
>> Ah, that explains failures in 3.2/3.3… seems like a back port is also required.
>> 
>> P
>> 
>>> On Jun 2, 2023, at 12:03 PM, Regina Obe <lr at pcorp.us> wrote:
>>> 
>>> I think he pushed the latest flatgeobuf in 3.4.0
>>> 
>>> Is it this one - https://github.com/postgis/postgis/pull/726
>>> 
>>> 
>>> https://trac.osgeo.org/postgis/ticket/5368
>>> 
>>> 
>>> 
>>>> -----Original Message-----
>>>> From: postgis-devel [mailto:postgis-devel-bounces at lists.osgeo.org] On
>>>> Behalf Of Paul Ramsey
>>>> Sent: Friday, June 2, 2023 2:54 PM
>>>> To: Even Rouault <even.rouault at spatialys.com>; Björn Harrtell
>>>> <bjorn.harrtell at gmail.com>
>>>> Cc: PostGIS Development Discussion <postgis-devel at lists.osgeo.org>
>>>> Subject: Re: [postgis-devel] [postgis-users] Problem compiling
>>>> postgis
>>>> 
>>>> Am I reading this right, we have flatgeobuf vendored in? Bjorn could
>>>> you update our copy to what you think it a good state?
>>>> 
>>>> On Fri, Jun 2, 2023 at 10:07 AM Even Rouault
>>>> <even.rouault at spatialys.com>
>>>> wrote:
>>>>> 
>>>>> cf MapServer fix for similar issue:
>>>>> https://github.com/MapServer/MapServer/pull/6833 (the issue was
>>>>> fixed in upstream flatbuffers)
>>>>> 
>>>>> Le 02/06/2023 à 19:00, Paul Ramsey a écrit :
>>>>> 
>>>>> Wait, we now have an implicit abseil dependency from flatgeobuf?
>>>>> 
>>>>> 
>>>>> On Jun 2, 2023, at 9:48 AM, Pankaj K Garg <garg at zeemaps.com> wrote:
>>>>> 
>>>>> I cannot compile Postgis 3.3.3 (or 3.2.3) on Mac OS Ventura 13.4.
>>>>> 
>>>>> I installed abseil using brew. Abseil mandates the use of at least C++14.
>>>> PostGIS is trying the build flatgeobuf with C++11.
>>>>> 
>>>>> Will appreciate any help or pointers.
>>>>> 
>>>>> Thanks.
>>>>> 
>>>>> Pankaj
>>>>> 
>>>>> 
>>>>> ---- Making all in postgis
>>>>> /Applications/Xcode.app/Contents/Developer/usr/bin/make -C
>>>> ../deps/flatgeobuf all
>>>>> gcc -std=c++11 -x c++ -I../../liblwgeom -I../../liblwgeom
>>>>> -I./include  -
>>>> I/usr/local/Cellar/geos/3.11.2/include
>>>> -I/usr/local/Cellar/proj/9.2.0_1/include
>>>> -I/usr/local/Cellar/libtiff/4.5.0/include
>>>> -I/usr/local/Cellar/zstd/1.5.5/include -
>>>> I/usr/local/Cellar/jpeg-turbo/2.1.5.1/include  -
>>>> 
>> I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform
>>>> / Developer/SDKs/MacOSX.sdk/usr/include  -I/usr/local/Cellar/json-
>>>> c/0.16/include -I/usr/local/Cellar/json-c/0.16/include/json-c -
>>>> I/usr/local/Cellar/pcre2/10.42/include -DNDEBUG    -fno-common -DPIC -c
>> -o
>>>> flatgeobuf_c.o flatgeobuf_c.cpp
>>>>> In file included from flatgeobuf_c.cpp:26:
>>>>> In file included from ./feature_generated.h:7:
>>>>> In file included from ./include/flatbuffers/flatbuffers.h:22:
>>>>> In file included from ./include/flatbuffers/array.h:20:
>>>>> In file included from ./include/flatbuffers/base.h:237:
>>>>> In file included from /usr/local/include/absl/strings/string_view.h:39:
>>>>> In file included from /usr/local/include/absl/base/attributes.h:37:
>>>>> In file included from /usr/local/include/absl/base/config.h:86:
>>>>> /usr/local/include/absl/base/policy_checks.h:79:2: error: "C++
>>>>> versions less
>>>> than C++14 are not supported."
>>>>> #error "C++ versions less than C++14 are not supported."
>>>>> ^
>>>>> 1 error generated.
>>>>> make[2]: *** [flatgeobuf_c.o] Error 1
>>>>> make[1]: *** [../deps/flatgeobuf/libflatgeobuf.la] Error 2
>>>>> make: *** [all] Error 1
>>>>> 9:42 postgis-3.3.3 %
>>>>> 
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