From e93a4b4d3421ced7b8c852b76c0dcb427f798df8 Mon Sep 17 00:00:00 2001
From: David Cole <david.cole@kitware.com>
Date: Tue, 7 Sep 2010 21:29:43 -0400
Subject: [PATCH] Avoid adding self as prerequisite. (#10417)

Thanks to Clinton Stimpson for the patch.
---
 Modules/BundleUtilities.cmake  |  2 +-
 Modules/GetPrerequisites.cmake | 25 +++++++++++++++++++++++--
 2 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/Modules/BundleUtilities.cmake b/Modules/BundleUtilities.cmake
index b48c61eab..b4755f143 100644
--- a/Modules/BundleUtilities.cmake
+++ b/Modules/BundleUtilities.cmake
@@ -412,7 +412,7 @@ function(get_bundle_keys app libs dirs keys_var)
     # but that do not show up in otool -L output...)
     #
     foreach(lib ${libs})
-      set_bundle_key_values(${keys_var} "${lib}" "${lib}" "${exepath}" "${dirs}" 1)
+      set_bundle_key_values(${keys_var} "${lib}" "${lib}" "${exepath}" "${dirs}" 0)
 
       set(prereqs "")
       get_prerequisites("${lib}" prereqs 1 1 "${exepath}" "${dirs}")
diff --git a/Modules/GetPrerequisites.cmake b/Modules/GetPrerequisites.cmake
index 847db347b..c83da4f81 100644
--- a/Modules/GetPrerequisites.cmake
+++ b/Modules/GetPrerequisites.cmake
@@ -634,6 +634,23 @@ function(get_prerequisites target prerequisites_var exclude_system recurse exepa
   string(REGEX REPLACE ";" "\\\\;" candidates "${gp_cmd_ov}")
   string(REGEX REPLACE "\n" "${eol_char};" candidates "${candidates}")
 
+  # check for install id and remove it from list, since otool -L can include a
+  # reference to itself
+  set(gp_install_id)
+  if("${gp_tool}" STREQUAL "otool")
+    execute_process(
+      COMMAND otool -D ${target}
+      OUTPUT_VARIABLE gp_install_id_ov
+      )
+    # second line is install name
+    string(REGEX REPLACE ".*:\n" "" gp_install_id "${gp_install_id_ov}")
+    if(gp_install_id)
+      # trim
+      string(REGEX MATCH "[^\n ].*[^\n ]" gp_install_id "${gp_install_id}")
+      #message("INSTALL ID is \"${gp_install_id}\"")
+    endif(gp_install_id)
+  endif("${gp_tool}" STREQUAL "otool")
+
   # Analyze each line for file names that match the regular expression:
   #
   foreach(candidate ${candidates})
@@ -670,14 +687,18 @@ function(get_prerequisites target prerequisites_var exclude_system recurse exepa
     #
     set(add_item 1)
 
-    if(${exclude_system})
+    if("${item}" STREQUAL "${gp_install_id}")
+      set(add_item 0)
+    endif("${item}" STREQUAL "${gp_install_id}")
+
+    if(add_item AND ${exclude_system})
       set(type "")
       gp_resolved_file_type("${target}" "${item}" "${exepath}" "${dirs}" type)
 
       if("${type}" STREQUAL "system")
         set(add_item 0)
       endif("${type}" STREQUAL "system")
-    endif(${exclude_system})
+    endif(add_item AND ${exclude_system})
 
     if(add_item)
       list(LENGTH ${prerequisites_var} list_length_before_append)