text_diff: add tests, cleanup

add missing dependency on algorith_diff (new recipe from a previous commit)

dev-perl/text_diff/text_diff-1.45.recipe

@@ -11,7 +11,7 @@ examined them to make sure they are indeed identical."
 HOMEPAGE="https://metacpan.org/pod/Text::Diff"
 COPYRIGHT="2001-2017 by Adam Kennedy"
 LICENSE="Artistic"
-REVISION="1"
+REVISION="2"
 SOURCE_URI="https://cpan.metacpan.org/authors/id/N/NE/NEILB/Text-Diff-$portVersion.tar.gz"
 CHECKSUM_SHA256="e8baa07b1b3f53e00af3636898bbf73aec9a0ff38f94536ede1dbe96ef086f04"
 SOURCE_DIR="Text-Diff-$portVersion"
@@ -23,11 +23,13 @@ PROVIDES="
 	"
 REQUIRES="
 	haiku
+	algorithm_diff
 	vendor_perl
 	"
 
 BUILD_REQUIRES="
 	haiku_devel
+	algorithm_diff
 	"
 BUILD_PREREQUIRES="
 	cmd:make
@@ -42,5 +44,15 @@ BUILD()
 
 INSTALL()
 {
-	make install DESTDIR="${DESTDIR}"
+	make pure_install
+
+	# remove architecture-specific files
+	cd $prefix
+	rm -r $(perl -V:vendorarch | cut -d\' -f2 | cut -d/ -f5-)
+		# cut extracts the quoted string and strips the prefix (which is perl's and not ours)
+}
+
+TEST()
+{
+	make test
 }