pidgin/pidgin

Install our appdata file to $(datadir)/metainfo as that change was made a long time ago
release-2.x.y
2021-04-09, Gary Kramlich
a817d80eeb79
Install our appdata file to $(datadir)/metainfo as that change was made a long time ago

This patch originates from Lars Wendler from Gentoo

https://gitweb.gentoo.org/repo/gentoo.git/commit/net-im/pidgin/files/pidgin-2.13.0-metainfo.patch?id=2dd6c1852251b5b67c3045badf173be9535b97a9

Testing Done:
Installed to a prefix and verified the file ended up in `$prefix/share/metainfo`

Reviewed at https://reviews.imfreedom.org/r/607/
# Rules on how to make object files from various sources
%.o: %.c
$(CC) $(CFLAGS) $(DEFINES) $(INCLUDE_PATHS) -o $@ -c $<
%.c: %.xs
$(PERL) -MExtUtils::ParseXS -e 'ExtUtils::ParseXS::process_file(filename => "$<", output => "$@", typemap => "$(PURPLE_PERL_TOP)/common/typemap");'
%.o: %.rc
$(WINDRES) -I$(PURPLE_TOP) -i $< -o $@
%.desktop: %.desktop.in $(wildcard $(PIDGIN_TREE_TOP)/po/*.po)
LC_ALL=C $(PERL) $(INTLTOOL_MERGE) -d -u -c $(PIDGIN_TREE_TOP)/po/.intltool-merge-cache $(PIDGIN_TREE_TOP)/po $< $@