cmake: update macOS build instructions for the app build builds

The application build should be used for a mac os build, and
these changes should create a standalone app that can be transferred
to the applications with all the plugin information needed as
part of the setup.

Signed-off-by: Charles Hardin <charles.hardin@chargepoint.com>

CMakeLists.txt

@@ -131,6 +131,16 @@ else(Wireshark_FOUND)
             DESTINATION ${PLUGIN_INSTALL_VERSION_LIBDIR}/epan NAMELINK_SKIP
     )
 
+    if(APPLE)
+        add_custom_target(v2glua
+            COMMAND ${CMAKE_COMMAND} -E copy
+                ${CMAKE_CURRENT_SOURCE_DIR}/dissector/v2g.lua
+                ${CMAKE_BINARY_DIR}/run/Wireshark.app/Contents/PlugIns/wireshark
+            DEPENDS v2gexi
+        )
+        add_dependencies(plugins v2glua)
+    endif()
+
     file(GLOB PLUGIN_HEADERS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" "*.h")
     CHECKAPI(
         NAME

README.md

@@ -144,12 +144,14 @@ the build steps.
     ```
     mkdir -p build && cd build
 
-    # brew doesn't setup cmake correctly - so qt5 path might be different
-    env CMAKE_PREFIX_PATH=$(brew --prefix)/Cellar/qt@5/5.15.5_1 \
-        cmake ..
+    # brew qt is not in a directly findable place, so tell cmake about it
+    env CMAKE_PREFIX_PATH=$(brew list qt5 | grep Qt5CoreConfig.cmake | \
+                            sed -e 's@/lib/cmake.*$@@') cmake ..
 
-    make VERBOSE=1
-    sudo make install
+    make -j$(sysctl -n hw.ncpu) plugins app_bundle
+
+    # Recommended installation directory
+    cp -r run/Wireshark.app /Applications/
     ```
 
 ### Windows