R - 3.5.0 - Unable to install package "tm" on Linux - r

Question

I am trying to install package "tm" in R 3.5.0 on a Linux machine. The installation is failing because of some G++ compiler errors. The log is as mentioned below.
> install.packages("tm")
Installing package into ‘/usr/lib64/R/library’
(as ‘lib’ is unspecified)
trying URL 'https://cran.rediris.es/src/contrib/tm_0.7-3.tar.gz'
Content type 'application/x-gzip' length 511317 bytes (499 KB)
==================================================
downloaded 499 KB
* installing *source* package ‘tm’ ...
** package ‘tm’ successfully unpacked and MD5 sums checked
** libs
g++ -m64 -std=gnu++0x -I"/usr/include/R" -DNDEBUG -
I"/usr/lib64/R/library/BH/include" -I"/usr/lib64/R/library/Rcpp/include" -
I/usr/local/include -fpic -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -
fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -
c RcppExports.cpp -o RcppExports.o
gcc -m64 -std=gnu99 -I"/usr/include/R" -DNDEBUG -
I"/usr/lib64/R/library/BH/include" -I"/usr/lib64/R/library/Rcpp/include" -
I/usr/local/include -fpic -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -
fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -
fpic -fPIC -c copy.c -o copy.o
gcc -m64 -std=gnu99 -I"/usr/include/R" -DNDEBUG -
I"/usr/lib64/R/library/BH/include" -I"/usr/lib64/R/library/Rcpp/include" -
I/usr/local/include -fpic -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -
fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -
fpic -fPIC -c init.c -o init.o
gcc -m64 -std=gnu99 -I"/usr/include/R" -DNDEBUG -
I"/usr/lib64/R/library/BH/include" -I"/usr/lib64/R/library/Rcpp/include" -
I/usr/local/include -fpic -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -
fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -
fpic -fPIC -c remove.c -o remove.o
gcc -m64 -std=gnu99 -I"/usr/include/R" -DNDEBUG -
I"/usr/lib64/R/library/BH/include" -I"/usr/lib64/R/library/Rcpp/include" -
I/usr/local/include -fpic -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -
fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -
fpic -fPIC -c scan.c -o scan.o
g++ -m64 -std=gnu++0x -I"/usr/include/R" -DNDEBUG -
I"/usr/lib64/R/library/BH/include" -I"/usr/lib64/R/library/Rcpp/include" -
I/usr/local/include -fpic -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -
fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -
c tdm.cpp -o tdm.o
tdm.cpp: In function ‘Rcpp::List tdm(Rcpp::StringVector, bool,
std::vector<std::basic_string<char, std::char_traits<char>,
std::allocator<char> >, std::allocator<std::basic_string<char,
std::char_traits<char>, std::allocator<char> > > >,
std::vector<std::basic_string<char, std::char_traits<char>,
std::allocator<char> >, std::allocator<std::basic_string<char,
std::char_traits<char>, std::allocator<char> > > >, unsigned int, unsigned
int, unsigned int, unsigned int)’:
tdm.cpp:63: error: expected initializer before ‘:’ token
tdm.cpp:67: error: expected primary-expression before ‘return’
tdm.cpp:67: error: expected ‘;’ before ‘return’
tdm.cpp:67: error: expected primary-expression before ‘return’
tdm.cpp:67: error: expected ‘)’ before ‘return’
make: *** [tdm.o] Error 1
ERROR: compilation failed for package ‘tm’
* removing ‘/usr/lib64/R/library/tm’
The downloaded source packages are in
‘/tmp/RtmpCMwqqC/downloaded_packages’
Updating HTML index of packages in '.Library'
Making 'packages.html' ... done
Warning message:
In install.packages("tm") :
installation of package ‘tm’ had non-zero exit status
I also tried to download and install the tm tar file from the cran website. That installation also gave me the same error message.