gobject-introspection: move to Python 3

(From OE-Core rev: db702fb12f7b34928a52e522ad269ac43f1dcace)

Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes/gobject-introspection.bbclass

@@ -1,8 +1,11 @@
 # Inherit this class in recipes to enable building their introspection files
 
-# This sets up autoconf-based recipes to build introspection data (or not),
+# python3native is inherited to prevent introspection tools being run with
+# host's python 3 (they need to be run with native python 3)
+#
+# This also sets up autoconf-based recipes to build introspection data (or not),
 # depending on distro and machine features (see gobject-introspection-data class).
-inherit gobject-introspection-data
+inherit python3native gobject-introspection-data
 EXTRA_OECONF_prepend_class-target = "${@bb.utils.contains('GI_DATA_ENABLED', 'True', '--enable-introspection', '--disable-introspection', d)} "
 
 # When building native recipes, disable introspection, as it is not necessary,

meta/recipes-gnome/gobject-introspection/gobject-introspection/0003-giscanner-add-use-binary-wrapper-option.patch

@@ -36,11 +36,11 @@ index 633496f..d684cd0 100755
 +        # The wrapper needs the binary itself, not the libtool wrapper script,
 +        # so we check if libtool has sneaked the binary into .libs subdirectory
 +        # and adjust the path accordingly
-+	import os.path
++        import os.path
 +        dir_name, binary_name  = os.path.split(binary.args[0])
 +        libtool_binary = os.path.join(dir_name, '.libs', binary_name)
 +        if os.path.exists(libtool_binary):
-+	    binary.args[0] = libtool_binary
++            binary.args[0] = libtool_binary
 +	# Then prepend the wrapper to the command line to execute
 +        binary.args = [options.wrapper] + binary.args
      gdump_parser.set_introspection_binary(binary)

meta/recipes-gnome/gobject-introspection/gobject-introspection_1.48.0.bb

@@ -18,18 +18,21 @@ SRC_URI = "${GNOME_MIRROR}/${BPN}/1.48/${BPN}-${PV}.tar.xz \
 SRC_URI[md5sum] = "01301fa9019667d48e927353e08bc218"
 SRC_URI[sha256sum] = "fa275aaccdbfc91ec0bc9a6fd0562051acdba731e7d584b64a277fec60e75877"
 
-inherit autotools pkgconfig gtk-doc pythonnative qemu gobject-introspection-data
+inherit autotools pkgconfig gtk-doc python3native qemu gobject-introspection-data
 BBCLASSEXTEND = "native"
 
 # necessary to let the call for python-config from configure.ac succeed
 export STAGING_INCDIR
 export STAGING_LIBDIR
 
+# autoconf macros otherwise will default to Python 2
+export PYTHON
+
 # needed for writing out the qemu wrapper script
 export STAGING_DIR_HOST
 export B
 
-DEPENDS_append = " libffi zlib glib-2.0 python flex-native bison-native"
+DEPENDS_append = " libffi zlib glib-2.0 python3 flex-native bison-native"
 
 # target build needs qemu to run temporary introspection binaries created
 # on the fly by g-ir-scanner and a native version of itself to run
@@ -44,7 +47,7 @@ do_configure_prepend_class-native() {
         # Tweak the native python scripts so that they don't refer to the
         # full path of native python binary (the solution is taken from glib-2.0 recipe)
         # This removes the risk of exceeding Linux kernel's shebang line limit (128 bytes)
-        sed -i -e '1s,#!.*,#!${USRBINPATH}/env nativepython,' ${S}/tools/g-ir-tool-template.in
+        sed -i -e '1s,#!.*,#!${USRBINPATH}/env python3,' ${S}/tools/g-ir-tool-template.in
 }
 
 do_configure_prepend_class-target() {
@@ -97,7 +100,7 @@ EOF
 
         # Also tweak the target python scripts so that they don't refer to the
         # native version of python binary (the solution is taken from glib-2.0 recipe)
-        sed -i -e '1s,#!.*,#!${USRBINPATH}/env python,' ${S}/tools/g-ir-tool-template.in
+        sed -i -e '1s,#!.*,#!${USRBINPATH}/env python3,' ${S}/tools/g-ir-tool-template.in
 }
 
 # Configure target build to use native tools of itself and to use a qemu wrapper
@@ -109,7 +112,7 @@ EXTRA_OECONF_class-target += "--enable-host-gi \
                              "
 
 PACKAGECONFIG ?= ""
-PACKAGECONFIG[doctool] = "--enable-doctool,--disable-doctool,python-mako,"
+PACKAGECONFIG[doctool] = "--enable-doctool,--disable-doctool,python3-mako,"
 
 do_compile_prepend_class-target() {
         # This prevents g-ir-scanner from writing cache data to $HOME

meta/recipes-sato/webkit/webkitgtk_2.12.3.bb

@@ -21,7 +21,10 @@ SRC_URI = "\
 SRC_URI[md5sum] = "aebb4029c09dd81664aa830e4a584c85"
 SRC_URI[sha256sum] = "173cbb9a2eca23eee52e99965483ab25aa9c0569ef5b57041fc0c129cc26c307"
 
-inherit cmake lib_package pkgconfig perlnative pythonnative distro_features_check upstream-version-is-even gobject-introspection
+# pythonnative must come after gobject-introspection, otherwise
+# webkit build configuration will not attempt to find Python 2.x after
+# finding (and rejecting) Python 3.x
+inherit cmake lib_package pkgconfig gobject-introspection perlnative pythonnative distro_features_check upstream-version-is-even
 
 # depends on libxt
 REQUIRED_DISTRO_FEATURES = "x11"