docs: Makefile: switch to the new scripts/sphinx-pre-install.py

Now that we have a better, improved Python script, use it when
checking for documentation build dependencies.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/79508fb071512c33e807f5411bbff1904751b5d3.1754992972.git.mchehab+huawei@kernel.org

Documentation/Makefile

@@ -46,7 +46,7 @@ ifeq ($(HAVE_SPHINX),0)
 .DEFAULT:
 	$(warning The '$(SPHINXBUILD)' command was not found. Make sure you have Sphinx installed and in PATH, or set the SPHINXBUILD make variable to point to the full path of the '$(SPHINXBUILD)' executable.)
 	@echo
-	@$(srctree)/scripts/sphinx-pre-install.pl
+	@$(srctree)/scripts/sphinx-pre-install
 	@echo "  SKIP    Sphinx $@ target."
 
 else # HAVE_SPHINX
@@ -121,7 +121,7 @@ $(YNL_RST_DIR)/%.rst: $(YNL_YAML_DIR)/%.yaml $(YNL_TOOL)
 htmldocs texinfodocs latexdocs epubdocs xmldocs: $(YNL_INDEX)
 
 htmldocs:
-	@$(srctree)/scripts/sphinx-pre-install.pl --version-check
+	@$(srctree)/scripts/sphinx-pre-install --version-check
 	@+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,html,$(var),,$(var)))
 
 # If Rust support is available and .config exists, add rustdoc generated contents.
@@ -135,7 +135,7 @@ endif
 endif
 
 texinfodocs:
-	@$(srctree)/scripts/sphinx-pre-install.pl --version-check
+	@$(srctree)/scripts/sphinx-pre-install --version-check
 	@+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,texinfo,$(var),texinfo,$(var)))
 
 # Note: the 'info' Make target is generated by sphinx itself when
@@ -147,7 +147,7 @@ linkcheckdocs:
 	@$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,linkcheck,$(var),,$(var)))
 
 latexdocs:
-	@$(srctree)/scripts/sphinx-pre-install.pl --version-check
+	@$(srctree)/scripts/sphinx-pre-install --version-check
 	@+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,latex,$(var),latex,$(var)))
 
 ifeq ($(HAVE_PDFLATEX),0)
@@ -160,7 +160,7 @@ else # HAVE_PDFLATEX
 
 pdfdocs: DENY_VF = XDG_CONFIG_HOME=$(FONTS_CONF_DENY_VF)
 pdfdocs: latexdocs
-	@$(srctree)/scripts/sphinx-pre-install.pl --version-check
+	@$(srctree)/scripts/sphinx-pre-install --version-check
 	$(foreach var,$(SPHINXDIRS), \
 	   $(MAKE) PDFLATEX="$(PDFLATEX)" LATEXOPTS="$(LATEXOPTS)" $(DENY_VF) -C $(BUILDDIR)/$(var)/latex || sh $(srctree)/scripts/check-variable-fonts.sh || exit; \
 	   mkdir -p $(BUILDDIR)/$(var)/pdf; \
@@ -170,11 +170,11 @@ pdfdocs: latexdocs
 endif # HAVE_PDFLATEX
 
 epubdocs:
-	@$(srctree)/scripts/sphinx-pre-install.pl --version-check
+	@$(srctree)/scripts/sphinx-pre-install --version-check
 	@+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,epub,$(var),epub,$(var)))
 
 xmldocs:
-	@$(srctree)/scripts/sphinx-pre-install.pl --version-check
+	@$(srctree)/scripts/sphinx-pre-install --version-check
 	@+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,xml,$(var),xml,$(var)))
 
 endif # HAVE_SPHINX