[R-sig-Geo] rgdal with R > 3.5.x and GDAL > 2.3.x on macOS

[Patrick Schratz]

Hi,

desperately trying to get rgdal installed on R > 3.5.x with GDAL 2.3.0 on macOS High Sierra.
I am aware of the discussion that a suitable compiler is needed since GDAL > 2.3.0.

I've set
CC=clang
CXX=clang++
PKG_CXXFLAGS= -stdlib=libc++ -std=c++11

In ~/.R/Makevars as suggested here https://github.com/r-spatial/sf/issues/726
The automated checking during the rgdal installation shows that C++11 support is available.
But still it complains about a lacking C++11 support.
I've searched the web but could not find anything helpful. If I've overlooked something, please just point me to the link.

Everything installed via homebrew (bottles)
R 3.5.1
proj 5.1.0 (osgeo4mac)
gdal 2.3.1 (homebrew core)

macOS 10.13.1 (High Sierra)
> install.packages("rgdal")
Installing package into ‘/usr/local/lib/R/3.5/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://cran.rstudio.com/src/contrib/rgdal_1.3-4.tar.gz'
Content type 'application/x-gzip' length 1664774 bytes (1.6 MB)
==================================================
downloaded 1.6 MB

* installing *source* package ‘rgdal’ ...
** package ‘rgdal’ successfully unpacked and MD5 sums checked
configure: R_HOME: /usr/local/Cellar/r/3.5.1/lib/R
configure: CC: clang
configure: CXX: clang++
configure: C++11 support available
configure: rgdal: 1.3-4
checking for /usr/bin/svnversion... yes
configure: svn revision: 766
checking for gdal-config... /usr/local/bin/gdal-config
checking gdal-config usability... yes
configure: GDAL: 2.3.1
checking C++11 support for GDAL >= 2.3.0... yes
checking GDAL version >= 1.11.4... yes
checking gdal: linking with --libs only... no
checking gdal: linking with --libs and --dep-libs... no
In file included from gdal_test.cc:1:
In file included from /usr/local/Cellar/gdal2/2.3.1/include/gdal.h:45:
/usr/local/Cellar/gdal2/2.3.1/include/cpl_port.h:187:6: error: Must have C++11 or newer.
# error Must have C++11 or newer.
^
1 error generated.
In file included from gdal_test.cc:1:
In file included from /usr/local/Cellar/gdal2/2.3.1/include/gdal.h:45:
/usr/local/Cellar/gdal2/2.3.1/include/cpl_port.h:187:6: error: Must have C++11 or newer.
# error Must have C++11 or newer.
^
1 error generated.
configure: Install failure: compilation and/or linkage problems.
configure: error: GDALAllRegister not found in libgdal.
ERROR: configuration failed for package ‘rgdal’
* removing ‘/usr/local/lib/R/3.5/site-library/rgdal’
Warning in install.packages :
installation of package ‘rgdal’ had non-zero exit status

The downloaded source packages are in
‘/private/var/folders/nv/k87rzvfs55l6j6xt_0jwb4wm0000gn/T/Rtmp68hYW1/downloaded_packages’
> install.packages("rgdal")
Installing package into ‘/usr/local/lib/R/3.5/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://cran.rstudio.com/src/contrib/rgdal_1.3-4.tar.gz'
Content type 'application/x-gzip' length 1664774 bytes (1.6 MB)
==================================================
downloaded 1.6 MB

* installing *source* package ‘rgdal’ ...
** package ‘rgdal’ successfully unpacked and MD5 sums checked
configure: R_HOME: /usr/local/Cellar/r/3.5.1/lib/R
configure: CC: clang
configure: CXX: clang++
configure: C++11 support available
configure: rgdal: 1.3-4
checking for /usr/bin/svnversion... yes
configure: svn revision: 766
checking for gdal-config... /usr/local/bin/gdal-config
checking gdal-config usability... yes
configure: GDAL: 2.3.1
checking C++11 support for GDAL >= 2.3.0... yes
checking GDAL version >= 1.11.4... yes
checking gdal: linking with --libs only... no
checking gdal: linking with --libs and --dep-libs... no
In file included from gdal_test.cc:1:
In file included from /usr/local/Cellar/gdal/2.3.1_1/include/gdal.h:45:
/usr/local/Cellar/gdal/2.3.1_1/include/cpl_port.h:187:6: error: Must have C++11 or newer.
# error Must have C++11 or newer.
^
1 error generated.
In file included from gdal_test.cc:1:
In file included from /usr/local/Cellar/gdal/2.3.1_1/include/gdal.h:45:
/usr/local/Cellar/gdal/2.3.1_1/include/cpl_port.h:187:6: error: Must have C++11 or newer.
# error Must have C++11 or newer.
^
1 error generated.
configure: Install failure: compilation and/or linkage problems.
configure: error: GDALAllRegister not found in libgdal.
ERROR: configuration failed for package ‘rgdal’
* removing ‘/usr/local/lib/R/3.5/site-library/rgdal’
Warning in install.packages :
installation of package ‘rgdal’ had non-zero exit status

The downloaded source packages are in
‘/private/var/folders/nv/k87rzvfs55l6j6xt_0jwb4wm0000gn/T/Rtmp68hYW1/downloaded_packages’


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