I'm trying to install the package gradientForest in R by using
install.packages("gradientForest", repos="http://R-Forge.R-project.org")
And I'm getting this error
ld: warning: directory not found for option '-L/usr/local/gfortran/lib/gcc/x86_64-apple-darwin15/6.1.0'
ld: warning: directory not found for option '-L/usr/local/gfortran/lib'
ld: library not found for -lgfortran
I've already tried the answer from this thread , and this thread .
According to these threads, I've installed gcc using
brew install gcc
and my Makevars looks like
## With Rcpp 0.11.0 and later, we no longer need to set PKG_LIBS as there is
## no user-facing library. The include path to headers is already set by R.
#PKG_LIBS =
## With R 3.1.0 or later, you can uncomment the following line to tell R to
## enable compilation with C++11 (or even C++14) where available
CXX_STD = CXX17
VER=-9
CC=gcc$(VER)
CXX=g++$(VER)
CXX11=g++$(VER)
CXX14=g++$(VER)
CXX17=g++$(VER)
CFLAGS=-mtune=native -g -O2 -Wall -pedantic -Wconversion
CXXFLAGS=-mtune=native -g -O2 -Wall -pedantic -Wconversion
FLIBS=-L`gfortran -print-file-name=libgfortran.dylib | xargs dirname`
but unfortunately it does not change anything on the error I'm having. My R version is 3.6.1 and I am on MacOS Catalina.
If somebody is able to help me, I would be very grateful. Thanks