I have scoured the web trying to figure out how to install XGboost. A simple pip or conda install does not work, even though it worked for many of my colleagues. I went to the installation guide which directed me to run the following to install gcc:
brew install gcc --without-multilib
To confirm I already have it installed I tried again and received the following message:
Warning: gcc-7.1.0 already installed
So I should be good there.
Then I clone the repository with:
git clone --recursive https://github.com/dmlc/xgboost
and then run the following:
cd xgboost; cp make/config.mk ./config.mk; make -j4
and run in to the following errors:
c++ -std=c++11 -Wall -Wno-unknown-pragmas -Iinclude -Idmlc-core/include -Irabit/include -O3 -funroll-loops -msse2 -fPIC -fopenmp -MM -MT build/learner.o src/learner.cc >build/learner.d
c++ -std=c++11 -Wall -Wno-unknown-pragmas -Iinclude -Idmlc-core/include -Irabit/include -O3 -funroll-loops -msse2 -fPIC -fopenmp -MM -MT build/logging.o src/logging.cc >build/logging.d
c++ -std=c++11 -Wall -Wno-unknown-pragmas -Iinclude -Idmlc-core/include -Irabit/include -O3 -funroll-loops -msse2 -fPIC -fopenmp -MM -MT build/c_api/c_api.o src/c_api/c_api.cc >build/c_api/c_api.d
c++ -std=c++11 -Wall -Wno-unknown-pragmas -Iinclude -Idmlc-core/include -Irabit/include -O3 -funroll-loops -msse2 -fPIC -fopenmp -MM -MT build/c_api/c_api_error.o src/c_api/c_api_error.cc >build/c_api/c_api_error.d
clangclang: : errorerror: : unsupported option '-fopenmp'unsupported option '-fopenmp'clang: error: unsupported option '-fopenmp'
clang: error: unsupported option '-fopenmp'
make: * [build/c_api/c_api_error.o] Error 1
make: Waiting for unfinished jobs….
make: [build/logging.o] Error 1
make: * [build/learner.o] Error 1
make: *** [build/c_api/c_api.o] Error 1
I can't make sense of what the issue is, but really need XGboost to run through Python on my computer!
installation guide:
http://xgboost.readthedocs.io/en/latest/build.html
system version: macOS Sierra Version 10.12.4
Best Answer
I know this is old, but I had the exact same error as you and here is what I did to solve it. I edited the first few lines of the config.mk file yopu are copying to be
because you are using gcc 7.1
Then you can finish making and building as you can find in many tutorials (e.g. https://stackoverflow.com/questions/39315156/how-to-install-xgboost-in-python-on-macos)