CC="clang -mmacosx-version-min=10.13" CXX="clang++ -mmacosx-version-min=10.13" OBJC="clang -mmacosx-version-min=10.13" FC="gfortran -mmacosx-version-min=10.13" F77="gfortran -mmacosx-version-min=10.13" CFLAGS='-Wall -g -O2' CXXFLAGS='-Wall -g -O2' OBJCFLAGS='-Wall -g -O2' FCFLAGS='-Wall -g -O2' F77FLAGS='-Wall -g -O2' --enable-memory-profiling --x-libraries=/opt/X11/lib --x-includes=/opt/X11/include --enable-R-framework --build=x86_64-apple-darwin17.0