Prezados como posso resolver esta questão na instalação do rgdal? É sobre o : proj_api.h que não sei o que é ... install.packages("rgdal")Installing package into ‘/home/andre/R/x86_64-pc-linux-gnu-library/3.2’(as ‘lib’ is unspecified)tentando a URL 'http://cran.rstudio.com/src/contrib/rgdal_0.9-3.tar.gz'Content type 'application/x-gzip' length 1627915 bytes (1.6 MB)==================================================downloaded 1.6 MB * installing *source* package ‘rgdal’ ...** package ‘rgdal’ successfully unpacked and MD5 sums checkedconfigure: CC: gcc -std=gnu99configure: CXX: g++configure: rgdal: 0.9-2checking for /usr/bin/svnversion... noconfigure: svn revision: 530checking for gdal-config... /usr/bin/gdal-configchecking gdal-config usability... yesconfigure: GDAL: 1.10.1checking GDAL version >= 1.6.3... yeschecking GDAL version < 2... yeschecking for gcc... gcc -std=gnu99checking whether the C compiler works... yeschecking for C compiler default output file name... a.outchecking for suffix of executables... checking whether we are cross compiling... nochecking for suffix of object files... ochecking whether we are using the GNU C compiler... yeschecking whether gcc -std=gnu99 accepts -g... yeschecking for gcc -std=gnu99 option to accept ISO C89... none neededchecking how to run the C preprocessor... gcc -std=gnu99 -Echecking for grep that handles long lines and -e... /bin/grepchecking for egrep... /bin/grep -Echecking for ANSI C header files... yeschecking for sys/types.h... yeschecking for sys/stat.h... yeschecking for stdlib.h... yeschecking for string.h... yeschecking for memory.h... yeschecking for strings.h... yeschecking for inttypes.h... yeschecking for stdint.h... yeschecking for unistd.h... yeschecking gdal.h usability... yeschecking gdal.h presence... yeschecking for gdal.h... yeschecking gdal: linking with --libs only... yeschecking GDAL: /usr/share/gdal/1.10/pcs.csv readable... yeschecking proj_api.h usability... nochecking proj_api.h presence... nochecking for proj_api.h... noconfigure: error: proj_api.h not found in standard or gproj_api.hiven locations.ERROR: configuration failed for package ‘rgdal’* removing ‘/home/andre/R/x86_64-pc-linux-gnu-library/3.2/rgdal’Warning in install.packages : installation of package ‘rgdal’ had non-zero exit status The downloaded source packages are in ‘/tmp/RtmpJn9iph/downloaded_packages’ André Oliveira Souza. Graduação em Matemática, mestrado em estatística aplicada.Instituto Federal de Educação, Ciência e Tecnologia do Espirito Santo. IFES