strigi: use ffmpeg pg

devel/strigi/Portfile

@@ -3,6 +3,7 @@
 PortSystem      1.0
 PortGroup       conflicts_build 1.0
 PortGroup       kde4 1.1
+PortGroup       ffmpeg 1.0
 
 name            strigi
 version         0.7.8
@@ -24,7 +25,7 @@ master_sites    ${homepage}
 
 use_bzip2       yes
 
-set ffmpeg_ver  4
+ffmpeg.version  4
 
 depends_build-append \
                 path:bin/pkg-config:pkgconfig
@@ -33,7 +34,6 @@ depends_lib-append \
                 port:bzip2 \
                 port:clucene \
                 port:dbus \
-                port:ffmpeg${ffmpeg_ver} \
                 port:libiconv \
                 port:libxml2 \
                 port:zlib
@@ -50,8 +50,11 @@ patchfiles      patch-ffmpegendanalyzer.diff \
 
 conflicts_build cppunit
 
-cmake.prefix_path           ${prefix}/libexec/ffmpeg${ffmpeg_ver}
-configure.pkg_config_path   ${prefix}/libexec/ffmpeg${ffmpeg_ver}/lib/pkgconfig
+# Match kde4 PG to not affect CMake ordering due to deduplication
+pre-configure {
+    configure.cxxflags-delete   -I${ffmpeg.prefix}/include
+    configure.ldflags-delete    -L${ffmpeg.prefix}/lib
+}
 
 # Best practice for CMake dictates that builds should be out of source.
 # However, it appears that strigi uses java to create source files and