Re: [PATCH 07/16] Makefile: create a GIT-PYTHON-DEFINES, like "PERL"

> Create a new "GIT-PYTHON-DEFINES" file, and untangle the dependency
> issues of the Python by copying over the patterns established for
> building the adjacent Perl code in preceding commits.
>
> As with Perl, there's no real reason to depend on GIT-BUILD-OPTIONS or
> GIT-CFLAGS when building the Python code, nor did we need
> GIT-PREFIX. Let's instead add those variables we care about to a
> "GIT-PYTHON-DEFINES".
> [...]
> Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
> ---
> diff --git a/Makefile b/Makefile
> @@ -2369,18 +2369,14 @@ GIT-PERL-DEFINES: FORCE
> +# Under NO_PERL=Y we'll still make GIT-PERL-DEFINES. We need to depend
> +# on NO_PERL=Y itself for creating "unimplemented.sh" scripts.
> +PYTHON_DEFINES =
> +$(SCRIPT_PYTHON_GEN): GIT-PYTHON-DEFINES
> +ifdef NO_PYTHON
> +PYTHON_DEFINES += $(SHELL_PATH_SQ)
> +PYTHON_DEFINES += $(NO_PYTHON)