问题
Can someone help me to understanding what is the problem of rgdal ?
I installed gdal 2 for centos 6 64 bits but i didn't succeed to install rgdal. I tried to figure out what is the issue but i didn't found anything useful on the internet .
this is Rstudio-server console:
install.packages("rgdal")
Installing package into ‘/home/admin/R/x86_64-redhat-linux-gnu-library/3.4’
(as ‘lib’ is unspecified)
essai de l'URL 'https://cran.rstudio.com/src/contrib/rgdal_1.2-18.tar.gz'
Content type 'application/x-gzip' length 1650578 bytes (1.6 MB)
==================================================
downloaded 1.6 MB
* installing *source* package ‘rgdal’ ...
** package ‘rgdal’ correctement décompressé et sommes MD5 vérifiées
configure: CC: gcc -m64 -std=gnu99
configure: CXX: g++ -m64
configure: rgdal: 1.2-18
checking for /usr/bin/svnversion... yes
configure: svn revision: 718
checking for gdal-config... /usr/local/bin/gdal-config
checking gdal-config usability... yes
configure: GDAL: 2.2.3
checking GDAL version >= 1.6.3... yes
checking gdal: linking with --libs only... yes
checking GDAL: /usr/local/share/gdal/pcs.csv readable... yes
configure: -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack- protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fpic -fPIC -I/usr/local/include
checking proj_api.h presence and usability... yes
./proj_conf_test1: error while loading shared libraries: libgdal.so.20: cannot open shared object file: No such file or directory
checking PROJ.4 version: ... < 4.8.0
./configure: line 2030: test: -eq: unary operator expected
./configure: line 2035: test: -ge: unary operator expected
./configure: line 2063: test: -ge: unary operator expected
./proj_conf_test2: error while loading shared libraries: libgdal.so.20: cannot open shared object file: No such file or directory
checking PROJ.4: epsg found and readable... yes
./configure: line 2138: test: -ge: unary operator expected
./proj_conf_test3: error while loading shared libraries: libgdal.so.20: cannot open shared object file: No such file or directory
checking PROJ.4: conus found and readable... yes
configure: Package CPP flags: -I/usr/local/include
configure: Package LIBS: -L/usr/local/lib -lgdal -lproj
configure: creating ./config.status
config.status: creating src/Makevars
** libs
ogr_geom.cpp:39: attention : ‘mp_count_k0’ may be used uninitialized in this function
** R
** data
** inst
** preparing package for lazy loading
** help
*** installing help indices
converting help for package ‘rgdal’
finding HTML links ... fini
CRS-class html
...
closeDataset-methods html
displayDataset html
llgrid html
Rd warning: /tmp/RtmpTT9ff6/R.INSTALL19d55c4b60f4/rgdal/man/llgrid.Rd:11: missing file link ‘Spatial’
Rd warning: /tmp/RtmpTT9ff6/R.INSTALL19d55c4b60f4/rgdal/man/llgrid.Rd:16: missing file link ‘gridat’
Rd warning: /tmp/RtmpTT9ff6/R.INSTALL19d55c4b60f4/rgdal/man/llgrid.Rd:17: missing file link ‘gridat’
make_EPSG html
nor2k html
projInfo html
project html
readGDAL html
Rd warning: /tmp/RtmpTT9ff6/R.INSTALL19d55c4b60f4/rgdal/man/readGDAL.Rd:136: missing file link ‘flipVertical’
readOGR html
showWKT html
spTransform-methods html
wrappers html
writeOGR html
** building package indices
** installing vignettes
** testing if installed package can be loaded
Error: package or namespace load failed for ‘rgdal’ in dyn.load(file, DLLpath = DLLpath, ...):
impossible de charger l'objet partagé '/home/admin/R/x86_64-redhat- linux-gnu-library/3.4/rgdal/libs/rgdal.so':
libgdal.so.20: Ne peut ouvrir le fichier d'objet partagé: Aucun fichier ou dossier de ce type
Erreur : le chargement a échoué
Exécution arrêtée
ERROR: loading failed
* removing ‘/home/admin/R/x86_64-redhat-linux-gnu-library/3.4/rgdal’
Warning in install.packages :
installation of package ‘rgdal’ had non-zero exit status
The downloaded source packages are in
‘/tmp/RtmpBon7nM/downloaded_packages’
I tried to install dependencies of gdal and copying libgdal.so.20 to /user/lib64/ogdi whithout any success !*
Thank you for you help
来源：https://stackoverflow.com/questions/49458128/libgdal-so-20-issue-centos-rgdal