The source tarballs (or at least v1.2.1.tar.gz) have no version.h, so make tries to configure version.h.in, which fails because there is no git checkout.
Source tarballs are important for projects that package binaries such as Linux distributions or MSYS2. They are more prone to include a package that is built from a source tarball that corresponds to a version number. Packages built from version control checkouts are frowned upon because that is a sign of instability.
The source tarballs (or at least v1.2.1.tar.gz) have no version.h, so
maketries to configureversion.h.in, which fails because there is no git checkout.Source tarballs are important for projects that package binaries such as Linux distributions or MSYS2. They are more prone to include a package that is built from a source tarball that corresponds to a version number. Packages built from version control checkouts are frowned upon because that is a sign of instability.