On OS X, add the Qt -Wl,-rpath hack in CMake, as we do with autotools.

Change-Id: I281e1bf790b7eefbbd43a3406622262cfe8b36df
Reviewed-on: https://code.wireshark.org/review/9651
Reviewed-by: Guy Harris <guy@alum.mit.edu>

1 files changed, 17 insertions, 1 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8b4f912fd3..6fa7fc839d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1715,7 +1715,23 @@ if(BUILD_wireshark AND QT_FOUND)
 		execute_process(COMMAND chmod a+x ${CMAKE_BINARY_DIR}/run/wireshark)
 	endif()
 
-	target_link_libraries(wireshark ${wireshark_LIBS})
+	if(APPLE)
+		#
+		# On Darwin, find where the Qt frameworks are
+		# located, and add that to the rpath, just in
+		# case this is Qt 5.5 or later and the frameworks
+		# have an install name that begins with @rpath
+		# and aren't installed in a frameworks directory
+		# that's searched by default.
+		#
+		# It would be *amazingly convenient* if we
+		# could get that from Qt's CMake configuration
+		# files, but we can't, so we have to extract it from
+		# an internal variable.
+		#
+		set(wireshark_rpath_flag "-Wl,-rpath,${_qt5Core_install_prefix}/lib")
+	endif(APPLE)
+	target_link_libraries(wireshark ${wireshark_rpath_flag} ${wireshark_LIBS})
 	install(
 		TARGETS wireshark
 		RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}