Some users may want to build the C library for linking to their own projects,
or have more control over the build process.
To just build and install the C library without OpenMP support:
make
make install
To enable OpenMP support in the C library:
make ENABLE_OMP=y
To build a shared library instead of a static one:
make ENABLE_SHARED=y
To build a "lite" version of the library without support for OpenMP or any of the healpix mapmaking backend:
make ENABLE_LITE=y
To install to a user directory (by default this is $HOME/.local):
make install-user
To install to a specific prefix (the directory that will contain the lib/
and include/ subfolders):
make PREFIX=/your/install/prefix install