2 files changed, 81 insertions, 1 deletions
diff --git a/cmake/dists/cmake/Modules/AnalyzeDylibDeps.cmake b/cmake/dists/cmake/Modules/AnalyzeDylibDeps.cmake
new file mode 100755
index 00000000..004879da
--- /dev/null
+++ b/cmake/dists/cmake/Modules/AnalyzeDylibDeps.cmake
@@ -0,0 +1,54 @@
+# otool: Mac OS X object file displaying tool
+find_program(OTOOL otool)
+
+function(extract_dylib_deps dylib deplist_name)
+  execute_process(
+    COMMAND ${OTOOL} -L ${dylib}
+    OUTPUT_VARIABLE otool_out
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+  )
+  string(REPLACE "\n" ";" otool_out ${otool_out})
+  set(deplist "")
+  foreach(line ${otool_out})
+    if(line MATCHES version)
+      # extract dylib-name
+      string(REGEX REPLACE "^[\t ]*([^ ]+) .*" "\\1" libname "${line}")
+      # filter out system libs
+      if(NOT libname MATCHES ^/usr/lib AND
+         NOT libname MATCHES ^/System/Library)
+        list(APPEND deplist ${libname})
+      endif()
+    endif()
+  endforeach()
+  set(${deplist_name} "${deplist}" PARENT_SCOPE)
+endfunction(extract_dylib_deps)
+
+function(ANALYZE_DYLIB_DEPS module deplist_name)
+  # init queue (contains libs to analyze)
+  set(queue "")
+  # add module as first "lib" to analyze
+  list(APPEND queue ${module})
+
+  # init dep_list
+  set(deps "")
+
+  # analyze each lib enqueued until queue is empty
+  while(queue)
+    # dequeue front element
+    list(GET queue 0 current_lib)
+    list(REMOVE_AT queue 0)
+
+    # get dependencies of current dylib
+    extract_dylib_deps(${current_lib} current_deps)
+    # extract dependencies not already in the deps list
+    foreach(lib ${current_deps})
+      list(FIND deps ${lib} lib_in_deps)
+      if(lib_in_deps EQUAL -1)
+        list(APPEND queue ${lib})
+        list(APPEND deps ${lib})
+      endif()
+    endforeach()
+  endwhile()
+
+  set(${deplist_name} "${deps}" PARENT_SCOPE)
+endfunction(ANALYZE_DYLIB_DEPS)
diff --git a/cmake/dists/cmake/Modules/FileUtils.cmake b/cmake/dists/cmake/Modules/FileUtils.cmake
index 51707d5a..856bb2e1 100644
--- a/cmake/dists/cmake/Modules/FileUtils.cmake
+++ b/cmake/dists/cmake/Modules/FileUtils.cmake
@@ -17,7 +17,7 @@ endfunction(FILE_SYMLINK)
 
 function(FILE_COPY_DIR src dst)
   if(NOT EXISTS ${src})
-    message(FATAL_ERROR "File \"${src}\" does not exist!")    
+    message(FATAL_ERROR "Directory \"${src}\" does not exist!")    
   endif(NOT EXISTS ${src})
   execute_process(
     COMMAND ${CMAKE_COMMAND} -E copy_directory "${src}" "${dst}"
@@ -27,3 +27,29 @@ function(FILE_COPY_DIR src dst)
     message(FATAL_ERROR "Copy \"${src}\" to \"${dst}\" failed!")
   endif(result)
 endfunction(FILE_COPY_DIR)
+
+function(FILE_COPY src dst)
+  if(NOT EXISTS ${src})
+    message(FATAL_ERROR "File \"${src}\" does not exist!")    
+  endif(NOT EXISTS ${src})
+  execute_process(
+    COMMAND ${CMAKE_COMMAND} -E copy "${src}" "${dst}"
+    RESULT_VARIABLE result
+  )
+  if(result)
+    message(FATAL_ERROR "Copy \"${src}\" to \"${dst}\" failed!")
+  endif(result)
+endfunction(FILE_COPY)
+
+function(FILE_COPY_IF_DIFFERENT src dst)
+  if(NOT EXISTS ${src})
+    message(FATAL_ERROR "File \"${src}\" does not exist!")    
+  endif(NOT EXISTS ${src})
+  execute_process(
+    COMMAND ${CMAKE_COMMAND} -E copy_if_different "${src}" "${dst}"
+    RESULT_VARIABLE result
+  )
+  if(result)
+    message(FATAL_ERROR "Copy \"${src}\" to \"${dst}\" failed!")
+  endif(result)
+endfunction(FILE_COPY_IF_DIFFERENT)