Environment variables for building some R packages from source on WIndows; location ${HOME}/.R

Makevars.win

# CC="C:\Program Files\LLVM\bin\clang.exe"
# CXX="C:\Program Files\LLVM\bin\clang++.exe"
# CXX11="C:\Program Files\LLVM\bin\clang++.exe"
# CXX14="C:\Program Files\LLVM\bin\clang++.exe"
# CXXFLAGS=-O1 -g -fsanitize=address -fno-omit-frame-pointer
# PKG_CXXFLAGS=-Og -fsanitize=address
# LDFLAGS=-fsanitize=address

## CXX14FLAGS += -mtune=native -O3 -mmmx -msse -msse2 -msse3 -mssse3 -msse4.1 -msse4.2
CXX14FLAGS=-O3 -mtune=native -march=native -Wno-unused-variable -Wno-unused-function

# for installing rjags from source - first install JAGS, then point to directory
JAGS_ROOT=C:/Program Files/JAGS/JAGS-4.3.0