Small adjustments for native Mac bundle.

Works fine, but porting all the helpers to work from the bundle would be a
lot of work. All must be changed to find their resources inside the .app
Proof of concept done with antiword. Does not make sense to ship without
at least poppler (and maybe unrtf, mutagen, exiftool).

src/common/rclinit.cpp

@@ -290,8 +290,12 @@ RclConfig *recollinit(int flags,
     PATH = string("/usr/local/bin/") + ":" + PATH;
 #else
     // Native qt build. Add our own directory to the path so that
-    // recoll finds recollindex
-    // pkgdatadir: /Applications/recoll.app/Contents/Resources
+    // recoll finds recollindex pkgdatadir:
+    // /Applications/recoll.app/Contents/Resources
+    //
+    // NOTE: This does not work when running from a mounted dmg
+    // because the location contains colons:/Volumes/:Users:dockes:Recoll:...
+    // which messes with the PATH colon separators of course.
     std::string exedir = path_cat(path_getfather(path_pkgdatadir()), "MacOS");
     PATH = exedir + ":" + PATH;
 #endif

src/qtgui/recoll-win.pro

@@ -167,6 +167,8 @@ mac {
   -lxslt -lxml2 -liconv -lz
 
   ICON = images/recoll.icns
+
+  system(cp ../sampleconf/mimeview.mac ../mimeview)
   
   APP_EXAMPLES.files = \
   ../sampleconf/fragbuts.xml \
@@ -177,7 +179,7 @@ mac {
   ../sampleconf/recoll-dark.qss \
   ../sampleconf/recoll-dark.css \
   ../sampleconf/mimemap \
-  ../sampleconf/mimeview 
+  ../mimeview 
   APP_EXAMPLES.path = Contents/Resources/examples
 
   APP_FILTERS.files = \

src/utils/rclutil.cpp

@@ -285,6 +285,7 @@ const string& path_pkgdatadir()
     char *path= (char*)malloc(size+1);
     _NSGetExecutablePath(path, &size);
     datadir = path_cat(path_getfather(path_getfather(path)), "Resources");
+    free(path);
 #else
     // If not in environment, use the compiled-in constant.
     datadir = RECOLL_DATADIR;