x11-toolkits/pango: fix DOCS option

- Disable the bundled gi-docgen, when gi-docgen is not installed,
  a fallback bundled version of it could be built when python3 is found.

PR:		256161
Reported by:	tech-lists@zyxst.net
Pointy hat:	nc

3 files changed, 83 insertions, 69 deletions

diff --git a/x11-toolkits/pango/Makefile b/x11-toolkits/pango/Makefile
index c7c2fb01efee..71bd1618feef 100644
--- a/x11-toolkits/pango/Makefile
+++ b/x11-toolkits/pango/Makefile
@@ -22,7 +22,7 @@ RUN_DEPENDS=	xorg-fonts-truetype>0:x11-fonts/xorg-fonts-truetype \
 
 PORTSCOUT=	limitw:1,even
 
-USES=		compiler:c11 gettext gnome localbase meson pkgconfig tar:xz
+USES=		compiler:c11 gettext gnome localbase meson pkgconfig python:env tar:xz
 USE_LDCONFIG=	yes
 USE_GNOME=	cairo glib20 introspection:build
 
@@ -38,7 +38,7 @@ OPTIONS_DEFINE=	X11 DOCS
 OPTIONS_DEFAULT=X11
 
 DOCS_MESON_TRUE=	gtk_doc
-DOCS_BUILD_DEPENDS=	gi-docgen>=0:textproc/gi-docgen
+DOCS_BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}gi-docgen>=0:textproc/gi-docgen
 
 X11_MESON_ENABLED=	xft
 X11_USES=	xorg
diff --git a/x11-toolkits/pango/files/patch-meson.build b/x11-toolkits/pango/files/patch-meson.build
new file mode 100644
index 000000000000..031cac621b0a
--- /dev/null
+++ b/x11-toolkits/pango/files/patch-meson.build
@@ -0,0 +1,14 @@
+Disable the fallback on subprojects/gi-docgen -- if py-docgen is not found 
+on the system, the shipped fallback in 'subprojects' would be tried. This is
+unwanted behaviour.
+
+--- meson.build.orig	2021-05-27 18:22:12 UTC
++++ meson.build
+@@ -585,7 +585,6 @@ pango_conf.set('HAVE_SYSPROF', libsysprof_capture_dep.
+ pango_deps += libsysprof_capture_dep
+ 
+ gidocgen_dep = dependency('gi-docgen', version: '>= 2021.1',
+-                          fallback: ['gi-docgen', 'dummy_dep'],
+                           required: get_option('gtk_doc'))
+ 
+ gnome = import('gnome')
diff --git a/x11-toolkits/pango/pkg-plist b/x11-toolkits/pango/pkg-plist
index 6b1b0112ee05..39e9c295543a 100644
--- a/x11-toolkits/pango/pkg-plist
+++ b/x11-toolkits/pango/pkg-plist
@@ -921,70 +921,70 @@ share/man/man1/pango-view.1.gz
 %%PORTDOCS%%%%DOCSDIR%%/reference/PangoOT/style.css
 %%PORTDOCS%%%%DOCSDIR%%/reference/PangoOT/type_func.Info.get.html
 %%PORTDOCS%%%%DOCSDIR%%/reference/PangoOT/type_func.Ruleset.get_for_description.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/PangoXft.devhelp2
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-Black.woff
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-Black.woff2
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-BlackItalic.woff
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-BlackItalic.woff2
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-Bold.woff
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-Bold.woff2
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-BoldItalic.woff
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-BoldItalic.woff2
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-Medium.woff
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-Medium.woff2
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-MediumItalic.woff
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-MediumItalic.woff2
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-Regular.woff
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-Regular.woff2
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatText-Bold.woff
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatText-Bold.woff2
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatText-BoldItalic.woff
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatText-BoldItalic.woff2
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatText-Italic.woff
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatText-Italic.woff2
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatText-Medium.woff
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatText-Medium.woff2
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatText-MediumItalic.woff
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatText-MediumItalic.woff2
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatText-Regular.woff
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatText-Regular.woff2
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/callback.SubstituteFunc.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/class.Font.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/class.FontMap.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/class.Renderer.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/classes_hierarchy.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/ctor.Renderer.new.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/fonts.css
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/func.get_context.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/func.get_font_map.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/func.picture_render.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/func.render.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/func.render_layout.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/func.render_layout_line.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/func.render_transformed.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/func.set_default_substitute.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/func.shutdown_display.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/func.substitute_changed.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/fzy.js
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/go-up-symbolic.png
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/index.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/index.json
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/main.js
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/method.Font.get_display.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/method.Font.get_glyph.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/method.Font.get_unknown_glyph.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/method.Font.has_char.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/method.Font.lock_face.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/method.Font.unlock_face.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/method.Renderer.set_default_color.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/method.Renderer.set_draw.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/pango-name.png
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/pango_xft.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/property.Renderer.display.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/property.Renderer.screen.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/pygment.css
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/search.js
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/style.css
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/type_func.Font.get_font.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/vfunc.Renderer.composite_glyphs.html
-%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/vfunc.Renderer.composite_trapezoids.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/PangoXft.devhelp2
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-Black.woff
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-Black.woff2
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-BlackItalic.woff
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-BlackItalic.woff2
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-Bold.woff
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-Bold.woff2
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-BoldItalic.woff
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-BoldItalic.woff2
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-Medium.woff
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-Medium.woff2
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-MediumItalic.woff
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-MediumItalic.woff2
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-Regular.woff
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatDisplay-Regular.woff2
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatText-Bold.woff
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatText-Bold.woff2
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatText-BoldItalic.woff
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatText-BoldItalic.woff2
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatText-Italic.woff
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatText-Italic.woff2
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatText-Medium.woff
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatText-Medium.woff2
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatText-MediumItalic.woff
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatText-MediumItalic.woff2
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatText-Regular.woff
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/RedHatText-Regular.woff2
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/callback.SubstituteFunc.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/class.Font.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/class.FontMap.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/class.Renderer.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/classes_hierarchy.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/ctor.Renderer.new.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/fonts.css
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/func.get_context.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/func.get_font_map.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/func.picture_render.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/func.render.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/func.render_layout.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/func.render_layout_line.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/func.render_transformed.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/func.set_default_substitute.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/func.shutdown_display.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/func.substitute_changed.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/fzy.js
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/go-up-symbolic.png
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/index.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/index.json
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/main.js
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/method.Font.get_display.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/method.Font.get_glyph.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/method.Font.get_unknown_glyph.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/method.Font.has_char.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/method.Font.lock_face.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/method.Font.unlock_face.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/method.Renderer.set_default_color.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/method.Renderer.set_draw.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/pango-name.png
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/pango_xft.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/property.Renderer.display.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/property.Renderer.screen.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/pygment.css
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/search.js
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/style.css
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/type_func.Font.get_font.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/vfunc.Renderer.composite_glyphs.html
+%%X11%%%%PORTDOCS%%%%DOCSDIR%%/reference/PangoXft/vfunc.Renderer.composite_trapezoids.html