Setup new installation of R in MacosX

Adapted from https://ryanhomer.github.io/posts/build-openmp-macos-catalina-complete

Install R from cran.r-project.org

At the end of ~/.zshrc add: 

export PATH=$PATH:/Library/Frameworks/R.framework/Versions/Current/Resources/bin/

Then you can use R within the terminal.


Install macbrew via:

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

Then in ~/.Rprofile:

marcgirondot@MacBook-Pro-de-Marc ~ % cat .Rprofile

# Default CRAN mirror

options(repos=structure(c(CRAN="https://cloud.r-project.org/")))


# Path to run R with system

Sys.setenv(PATH=paste(Sys.getenv("PATH"), "/Library/Frameworks/R.framework/Versions/Current/Resources/bin/", sep=":"))

Install llvm


brew install llvm libomp


Install GCC and gettext


brew install gcc gettext


To configure R to build packages with the versions of clang and gcc you just installed, set up a Makevars file. This must be located at ~/.r/Makevars.


Some parts do no work still...


# macOS Makevars configuration for LLVM/GCC

# for OpenMP support 

# 

# For installation details, see

# http://ryanhomer.github.io/posts/build-openmp-macos-catalina-complete

#

# Some sources used as reference:

# https://github.com/Rdatatable/data.table/wiki/Installation

# https://asieira.github.io/using-openmp-with-r-packages-in-os-x.html

# https://thecoatlessprofessor.com/programming/openmp-in-r-on-os-x/

# https://bit.ly/3d16TuW

# https://www.kthohr.com/r-mac-source.html


XCBASE:=$(shell xcrun --show-sdk-path)

LLVMBASE:=$(shell brew --prefix llvm)

GCCBASE:=$(shell brew --prefix gcc)

GETTEXT:=$(shell brew --prefix gettext)


CC=$(LLVMBASE)/bin/clang

CXX=$(LLVMBASE)/bin/clang++

CXX11=$(LLVMBASE)/bin/clang++

CXX14=$(LLVMBASE)/bin/clang++

CXX17=$(LLVMBASE)/bin/clang++

CXX1X=$(LLVMBASE)/bin/clang++


CPPFLAGS=-isystem "$(LLVMBASE)/include" -isysroot "$(XCBASE)"

LDFLAGS=-L"$(LLVMBASE)/lib" -L"$(GETTEXT)/lib" --sysroot="$(XCBASE)"


FC=$(GCCBASE)/bin/gfortran

F77=$(GCCBASE)/bin/gfortran

FLIBS=-L$(GCCBASE)/lib/gcc/9/ -lm


To use locate in terminal:

sudo launchctl load -w /System/Library/LaunchDaemons/com.apple.locate.plist

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