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Last active April 8, 2023 17:52
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Makevars and instructions for installing installing data.table on an M1 Mac; note config also works for installing slam/syuzhet.
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Makevars
# if you downloaded llvm manually above, replace with your chosen NEW_PATH/clang
LLVM_LOC = /opt/homebrew/opt/llvm
CC=$(LLVM_LOC)/bin/clang -fopenmp
CXX=$(LLVM_LOC)/bin/clang++ -fopenmp
# -O3 should be faster than -O2 (default) level optimisation ..
CFLAGS=-g -O3 -Wall -pedantic -std=gnu99 -mtune=native -pipe
CXXFLAGS=-g -O3 -Wall -pedantic -std=c++11 -mtune=native -pipe
LDFLAGS=-L/opt/homebrew/opt/gettext/lib -L$(LLVM_LOC)/lib -Wl,-rpath,$(LLVM_LOC)/lib
CPPFLAGS=-I/opt/homebrew/opt/gettext/include -I$(LLVM_LOC)/include
@dereckmezquita
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dereckmezquita commented Nov 17, 2021 •
edited
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Versions

R --version
R version 4.1.2 (2021-11-01) -- "Bird Hippie"
Copyright (C) 2021 The R Foundation for Statistical Computing
Platform: aarch64-apple-darwin20.6.0 (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under the terms of the
GNU General Public License versions 2 or 3.
For more information about these matters see
https://www.gnu.org/licenses/.

brew --version
Homebrew 3.3.4
Homebrew/homebrew-core (git revision 9ba60a6af62; last commit 2021-11-17)
Homebrew/homebrew-cask (git revision 8f52edfbb5; last commit 2021-11-17)

RStudio

RStudio
2021.09.1 Build 372
© 2009-2021 RStudio, PBC

Screenshot 2021-11-17 at 14 02 05

@dereckmezquita
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RStudio troubleshooting

If you have trouble running RStudio, installed by one user launched from another user on the same machine. Your permissions and ownership might be broken. Try first to re-install RStudio. If this doesn't work the run:

sudo chown -R root RStudio.app
sudo chmod -R 0755 RStudio.app

@gregmacfarlane
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As a note, this worked for me after being failed by the data.table instructions.

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