addpkg(x11/meld): 3.22.2

Closes termux#18900

(that bug was described as "with the general intention of running meld", and this is a newer way and a newer version of meld than that)

x11-packages/meld/build.sh

@@ -0,0 +1,31 @@
+TERMUX_PKG_HOMEPAGE=https://meldmerge.org/
+TERMUX_PKG_DESCRIPTION="A visual diff and merge tool targeted at developers"
+TERMUX_PKG_LICENSE="GPL-2.0"
+TERMUX_PKG_MAINTAINER="@termux"
+TERMUX_PKG_VERSION="3.22.2"
+TERMUX_PKG_SRCURL=https://download.gnome.org/sources/meld/3.22/meld-${TERMUX_PKG_VERSION}.tar.xz
+TERMUX_PKG_SHA256=46a0a713fbcd1b153b377a1e0757c8ce255c9822467658eacfbd89b1e92316ef
+TERMUX_PKG_AUTO_UPDATE=true
+TERMUX_PKG_DEPENDS="gsettings-desktop-schemas, glib, gtk3, gtksourceview4, libcairo, pango, pycairo, pygobject, python"
+TERMUX_PKG_BUILD_DEPENDS="gettext"
+TERMUX_PKG_PLATFORM_INDEPENDENT=true
+# The "byte-compile" build setting will go away in the next release
+# It does not actually turn off byte compiling because Termux has recent Meson
+# (https://gitlab.gnome.org/GNOME/meld/-/commit/361ac82ce94dd46d0eed0e9239c34a8e3d13cd2e)
+TERMUX_PKG_EXTRA_CONFIGURE_ARGS="
+-Dbyte-compile=false
+"
+
+termux_step_pre_configure() {
+	termux_setup_glib_cross_pkg_config_wrapper
+}
+
+# It is really strange that this is necessary. The reason that meson is installing this
+# into $TERMUX_PREFIX/local/lib/python3.12/dist-packages instead of $TERMUX_PREFIX/lib/python3.12/site-packages
+# is not clear. Other distros do not seem to have this problem.
+termux_step_post_make_install() {
+	mkdir -p "$TERMUX_PREFIX/lib/python$TERMUX_PYTHON_VERSION/site-packages"
+	mv "$TERMUX_PREFIX/local/lib/python$TERMUX_PYTHON_VERSION/dist-packages/$TERMUX_PKG_NAME" \
+		"$TERMUX_PREFIX/lib/python$TERMUX_PYTHON_VERSION/site-packages/"
+	rm -rf "$TERMUX_PREFIX/local"
+}

x11-packages/meld/handle-bindtextdomain-oserror.patch

@@ -0,0 +1,11 @@
+--- a/bin/meld
++++ b/bin/meld
+@@ -141,7 +141,7 @@ try:
+         locale.bindtextdomain(locale_domain, str(locale_dir))
+         locale.bind_textdomain_codeset(locale_domain, 'UTF-8')
+         locale.textdomain(locale_domain)
+-except AttributeError as e:
++except (AttributeError,OSError) as e:
+     # Python builds linked without libintl (i.e., OSX) don't have
+     # bindtextdomain(), which causes Gtk.Builder translations to fail.
+     print(