make heif load/save work with 1.3.2

configure.ac

@@ -927,6 +927,18 @@ if test x"$with_heif" != x"no"; then
   )
 fi
 
+# color profile support added in 1.3.3
+if test x"$with_heif" = x"yes"; then
+  save_LIBS="$LIBS"
+  LIBS="$LIBS $HEIF_LIBS"
+  AC_CHECK_FUNCS(heif_image_handle_get_raw_color_profile,[
+     AC_DEFINE(HAVE_HEIF_COLOR_PROFILE,1,
+	       [define if you have heif_image_handle_get_raw_color_profile.])
+   ],[]
+  )
+  LIBS="$save_LIBS"
+fi
+
 # pdfium
 AC_ARG_WITH([pdfium],
   AS_HELP_STRING([--without-pdfium], [build without pdfium (default: test)]))

libvips/foreign/heifload.c

@@ -356,6 +356,7 @@ vips_foreign_load_heif_set_header( VipsForeignLoadHeif *heif, VipsImage *out )
 }
 #endif /*DEBUG*/
 
+#ifdef HAVE_HEIF_COLOR_PROFILE
 	/* FIXME should probably check the profile type ... lcms seems to be
 	 * able to load at least rICC and prof.
 	 */
@@ -381,6 +382,7 @@ vips_foreign_load_heif_set_header( VipsForeignLoadHeif *heif, VipsImage *out )
 		vips_image_set_blob( out, VIPS_META_ICC_NAME, 
 			(VipsCallbackFn) NULL, data, length );
 	}
+#endif /*HAVE_HEIF_COLOR_PROFILE*/
 
 	return( 0 );
 }

libvips/foreign/heifsave.c

@@ -162,6 +162,7 @@ vips_foreign_save_heif_write_page( VipsForeignSaveHeif *heif, int page )
 	struct heif_error error;
 	struct heif_encoding_options *options;
 
+#ifdef HAVE_HEIF_COLOR_PROFILE
 	if( !save->strip &&
 		vips_image_get_typeof( save->ready, VIPS_META_ICC_NAME ) ) {
 		const void *data;
@@ -184,6 +185,7 @@ vips_foreign_save_heif_write_page( VipsForeignSaveHeif *heif, int page )
 			return( -1 );
 		}
 	}
+#endif /*HAVE_HEIF_COLOR_PROFILE*/
 
 	options = heif_encoding_options_alloc();
 	/* FIXME .. should be an option, though I don't know of any way to

test/test-suite/test_foreign.py

@@ -843,7 +843,7 @@ class TestForeign:
         self.file_loader("heifload", HEIC_FILE, heif_valid)
         self.buffer_loader("heifload_buffer", HEIC_FILE, heif_valid)
         self.save_load_buffer("heifsave_buffer", "heifload_buffer",
-                              self.colour, 70)
+                              self.colour, 80)
         self.save_load("%s.heic", self.colour)
 
         # test lossless mode
@@ -859,11 +859,13 @@ class TestForeign:
         assert len(b2) > len(b1)
 
         # try saving an image with an ICC profile and reading it back 
+        # not all libheif have profile support, so put it in an if
         buf = self.colour.heifsave_buffer()
         im = pyvips.Image.new_from_buffer(buf, "")
         p1 = self.colour.get("icc-profile-data")
-        p2 = im.get("icc-profile-data")
-        assert p1 == p2
+        if im.get_typeof("icc-profile-data") != 0:
+            p2 = im.get("icc-profile-data")
+            assert p1 == p2
 
         # add tests for exif, xmp, ipct
         # the exif test will need us to be able to walk the header,