internal/rosa/package: migrate many libraries

This also adds more string helpers.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/package/libmd.az

@@ -0,0 +1,22 @@
+package libmd {
+	description = "Message Digest functions from BSD systems";
+	website = "https://www.hadrons.org/software/libmd";
+	anitya = 15525;
+
+	version* = "1.2.0";
+	source = remoteGit {
+		url = "https://git.hadrons.org/git/libmd.git";
+		tag = version;
+		checksum = "1rJ6joAO0wwMZvSfnRNkc1MOhywyAq7SM8VmF92NvDtv7Qdl1LRbjm5fg_DFFtGj";
+	};
+
+	exec = make {
+		generate = "echo '" + version + "' > .dist-version && ./autogen";
+		preMake = "\ninstall -D /usr/src/libmd/src/helper.c src/helper.c\n";
+	};
+
+	inputs = [
+		automake,
+		libtool,
+	];
+}