--- /dev/null
+#!/usr/bin/perl
+
+# Given a list of input PNGs, create a C source file containing a
+# const array of XPMs, named by a given C identifier.
+
+$id = shift @ARGV;
+$k = 0;
+@xpms = ();
+foreach $f (@ARGV) {
+ # XPM format is generated directly by ImageMagick, so that's easy
+ # enough. We just have to adjust the declaration line so that it
+ # has the right name, linkage and storage class.
+ @lines = ();
+ open XPM, "convert $f xpm:- |";
+ push @lines, $_ while <XPM>;
+ close XPM;
+ die "XPM from $f in unexpected format\n" unless $lines[1] =~ /^static.*\{$/;
+ $lines[1] = "static const char *const ${id}_$k"."[] = {\n";
+ $k++;
+ push @xpms, @lines, "\n";
+}
+
+# Now output.
+foreach $line (@xpms) { print $line; }
+print "const char *const *const ${id}[] = {\n";
+for ($i = 0; $i < $k; $i++) { print " ${id}_$i,\n"; }
+print "};\n";
+print "const int n_${id} = $k;\n";