algorithm_diff: new perl module

This is required for some tests of other packages.

dev-perl/algorithm_diff/algorithm_diff-1.201.recipe

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+SUMMARY="Compute \`intelligent' differences between two files / lists"
+DESCRIPTION="This is a module for computing the difference between two files, two \
+strings, or any other two lists of things.  It uses an intelligent \
+algorithm similar to (or identical to) the one used by the Unix \"diff\" \
+program.  It is guaranteed to find the *smallest possible* set of \
+differences."
+HOMEPAGE="https://metacpan.org/pod/Algorithm::Diff"
+COPYRIGHT="2000-2004 Ned Konz
+	Tye McQueen"
+LICENSE="Artistic"
+REVISION="1"
+SOURCE_URI="https://cpan.metacpan.org/authors/id/R/RJ/RJBS/Algorithm-Diff-$portVersion.tar.gz"
+CHECKSUM_SHA256="0022da5982645d9ef0207f3eb9ef63e70e9713ed2340ed7b3850779b0d842a7d"
+SOURCE_DIR="Algorithm-Diff-$portVersion"
+
+ARCHITECTURES="any"
+
+PROVIDES="
+	algorithm_diff = $portVersion
+	"
+REQUIRES="
+	haiku
+	vendor_perl
+	"
+
+BUILD_REQUIRES="
+	haiku_devel
+	"
+BUILD_PREREQUIRES="
+	cmd:make
+	cmd:perl
+	"
+
+BUILD()
+{
+	perl Makefile.PL PREFIX=$prefix
+	make
+}
+
+INSTALL()
+{
+	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
+}