macOS

Important

You will need to install XCode or XCode command line tools before configuring the installer.

Big Sur (11.6.x)

We use the Apple clang/clang++ compiler. XCode does not provide autotools (autoconf, automake, and libtool) so have the installer build them. Installing autotools will also install a more recent version of GNU make; some versions of make provided with XCode have limited support for parallel builds. We also use the installer to build Python 2.7; this ensures proper installation of the standard Python modules.

Environment variables

export PYTHON_VERSION=2.7
PREFIX=$HOME/pylith

Configure

We use the -isysroot argument in CFLAGS to specify the location of the XCode software development kit (SDK). The location on your machine may be different. We also specify -Wno-implicit-function-declaration in CFLAGS to allow implicit function declarations; this is needed to build some PyLith dependencies and may not be needed with older macOS versions.

# Define PETSc options
petsc_options="--download-chaco=1 --download-ml --download-f2cblaslapack --with-fc=0 --with-hwloc=0 --with-ssl=0 --with-x=0 --with-c2html=0 --with-lgrind=0"
#
${HOME}/src/pylith/pylith_installer-2.2.2-2/configure  \
    --prefix=${PREFIX} \
    --enable-force-install \
    --with-fetch=curl \
    --with-make-threads=4 \
    --with-fortran=no \
    --enable-autotools \
    --enable-mpi=mpich \
    --enable-openssl \
    --with-numpy-blaslapack=no \
    --with-petsc-options="${petsc_options}" \
    CC=clang CXX=clang++ \
	CFLAGS="-g -O3 -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -Wno-implicit-function-declaration" \
	CXXFLAGS="-g -O3"

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