gegl-0.3: update to version 0.3.30

For now, disable external operation ff-save which fails to build
with ffmpeg-devel.

See https://trac.macports.org/ticket/55389

graphics/gegl-0.3/Portfile

@@ -7,7 +7,7 @@ PortGroup           gobject_introspection 1.0
 
 name                gegl-0.3
 set gname           gegl
-version             0.3.28
+version             0.3.30
 set branch          [join [lrange [split ${version} .] 0 1] .]
 conflicts           gegl-devel
 license             {GPL-3+ LGPL-3+}
@@ -28,9 +28,9 @@ use_bzip2           yes
 
 distname            ${gname}-${version}
 
-checksums           rmd160  6a81a236c889f3594626ac771e136999b92d9c60 \
-                    sha256  152f87604a5a191775329dfb63764efa1d5c32403d1438da68e242f96b7d23ff \
-                    size    6530569
+checksums           rmd160  afc256265aa66d64153f0b8d758857d92e15018f \
+                    sha256  f8b4a93ad2c5187efcc7d9a665ef626a362587eb701eebccf21b13616791e551 \
+                    size    6675564
 
 depends_build       port:pkgconfig \
                     port:w3m \
@@ -58,6 +58,11 @@ depends_lib         port:babl \
 
 patchfiles          patch-configure.ac.diff
 
+# disable external operation ff-save for now
+# AVFMT_RAWPICTURE removed in ffmpeg-devel
+# https://trac.macports.org/ticket/55389
+patchfiles-append  disable-broken-ffsave.patch
+
 post-patch {
     # http://trac.macports.org/ticket/35148
     if {${os.major} < 10} {

graphics/gegl-0.3/files/disable-broken-ffsave.patch

@@ -0,0 +1,18 @@
+--- operations/external/Makefile.am.orig	2018-03-23 17:23:41.000000000 -0700
++++ operations/external/Makefile.am	2018-03-23 17:23:48.000000000 -0700
+@@ -105,14 +105,10 @@
+ endif
+
+ if HAVE_AVFORMAT
+-ops += ff-load.la ff-save.la
++ops += ff-load.la
+ ff_load_la_SOURCES = ff-load.c
+ ff_load_la_LIBADD = $(op_libs) $(AVFORMAT_LIBS)
+ ff_load_la_CFLAGS = $(AM_CFLAGS) $(AVFORMAT_CFLAGS) 
+-
+-ff_save_la_SOURCES = ff-save.c
+-ff_save_la_LIBADD = $(op_libs) $(AVFORMAT_LIBS)
+-ff_save_la_CFLAGS = $(AM_CFLAGS) $(AVFORMAT_CFLAGS) -Wno-deprecated-declarations
+ endif
+
+ if HAVE_UMFPACK