libmusicbrainz3: Prevent opportunistic use of cppunit

Closes: #25310

audio/libmusicbrainz3/Portfile

@@ -1,12 +1,16 @@
 # -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4
 
 PortSystem          1.0
-
 PortGroup           cmake 1.0
 
 name                libmusicbrainz3
 set my_name         libmusicbrainz
 version             3.0.3
+revision            0
+checksums           rmd160  5eba6458a5b3ac28747b743787948ec781d2a998 \
+                    sha256  7fd459a9fd05be9faec60a9a21caa9a1e9fda03147d58d8c7c95f33582a738c5 \
+                    size    105837
+
 categories          audio devel
 license             LGPL-2.1
 maintainers         nomaintainer
@@ -15,14 +19,16 @@ description         libmusicbrainz (also known as mb_client or MusicBrainz \
 long_description    libmusicbrainz version 3.x uses MusicBrainz' XML Web Service to provide \
                     MusicBrainz lookup capabilities to applications.
 homepage            http://musicbrainz.org/doc/libmusicbrainz
-platforms           darwin
 master_sites        ftp://ftp.musicbrainz.org/pub/musicbrainz/
 distname            ${my_name}-${version}
-checksums           md5     f4824d0a75bdeeef1e45cc88de7bb58a \
-                    sha1    630778a6b34daea73a1780096fde971c7e7964c1 \
-                    rmd160  5eba6458a5b3ac28747b743787948ec781d2a998
+
 depends_lib-append  port:libdiscid \
                     port:neon
+
+# Prevent finding cppunit because that introduces a C++11 requirement.
+configure.args-append \
+                    -DCMAKE_DISABLE_FIND_PACKAGE_CppUnit=ON
+
 livecheck.type      regex
 livecheck.url       ${master_sites}
 livecheck.regex     "${my_name}-(\\d+(?:\\.\\d+)*)${extract.suffix}"