[R-sig-Geo] Help installing lwgeom on macOS

[Patrick Schratz]

Hi Kent,

brew install geos && brew install postgis (for lwgeom) works for me.

On Feb 25 2018, at 8:33 pm, Kent Johnson <kent3737 at gmail.com> wrote:
>
> I am trying to install lwgeom 0.1-4 from source on macOS 10.13.3.
> First try:
> R CMD INSTALL lwgeom_0.1-4.tar.gz
> ...
> checking for geos-config... no
> no
> configure: error: geos-config not found or not executable.
>
> Second try:
> R CMD INSTALL lwgeom_0.1-4.tar.gz
> --configure-args='-with-geos-config=/Library/Frameworks/GEOS.framework/Versions/3/unix/bin/geos-config'
> ...
> configure: geos-config set to
> /Library/Frameworks/GEOS.framework/Versions/3/unix/bin/geos-config
> checking geos-config exists... yes
> checking geos-config executable... yes
> checking geos-config usability... yes
> configure: GEOS: 3.6.1
> checking GEOS version >= 3.3.0... yes
> checking geos_c.h usability... no
> checking geos_c.h presence... no
> checking for geos_c.h... no
> configure: error: geos_c.h not found in given locations.
>
> I do have liblwgeom installed as part of Postgres.app. I have tried adding
> --with-liblwgeom=/Applications/Postgres.app/Contents/Versions/10/lib/liblwgeom-2.4.0.dylib
> to --configure-args with the same failure.
>
> I have the framework version of GEOS installed from kyngchaos and tried
> adding
> --configure-vars='CPPFLAGS=-I/Library/Frameworks/GEOS.framework/Versions/3/Headers'
> with the same failure.
>
> I don't really know what I'm doing here so any help is appreciated. FWIW
> I'm installing lwgeom to get access to the st_make_valid() function.
>
> Thank you!
> Kent Johnson
>
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