Possible fix for header dependency calculation causing CMake to freeze due to recursive including, fixed by removing my code to do that and letting CMake figure this out on it's own. Seems to work here, but might need testing still.

git-svn-id: http://anope.svn.sourceforge.net/svnroot/anope/trunk@2651 5417fbe8-f217-4b02-8779-1006273d7864

2 files changed, 2 insertions, 113 deletions

diff --git a/Anope.cmake b/Anope.cmake
index d944e1731..3a45a4b44 100644
--- a/Anope.cmake
+++ b/Anope.cmake
@@ -379,10 +379,7 @@ macro(calculate_depends SRC)
   foreach(INCLUDE ${INCLUDES})
     # Extract the filename from the #include line
     extract_include_filename(${INCLUDE} FILENAME QUOTE_TYPE)
-    if(QUOTE_TYPE STREQUAL "quotes")
-      # Append the filename to the list of headers
-      append_to_list(HEADERS ${FILENAME})
-    else(QUOTE_TYPE STREQUAL "quotes")
+    if(QUOTE_TYPE STREQUAL "angle brackets")
       # The following checks will only be done if there was a request for angle includes to be checked
       if(CHECK_ANGLE_INCLUDES)
         # Find the path of the include file
@@ -404,36 +401,8 @@ macro(calculate_depends SRC)
           message(FATAL_ERROR "${SRC} needs header file ${FILENAME} but we were unable to locate that header file! Check that the header file is within the search path of your OS.")
         endif(FOUND_${FILENAME}_INCLUDE)
       endif(CHECK_ANGLE_INCLUDES)
-    endif(QUOTE_TYPE STREQUAL "quotes")
+    endif(QUOTE_TYPE STREQUAL "angle brackets")
   endforeach(INCLUDE)
-  # Set the list of new headers to empty (this will store all the headers that the above list depends on)
-  set(NEW_HEADERS)
-  # Iterate through the list of headers
-  foreach(HEADER ${HEADERS})
-    # If the current header has it's own headers to depend on, append those to the list of new headers
-    if(${HEADER}_HEADERS)
-      append_to_list(NEW_HEADERS ${${HEADER}_HEADERS})
-    endif(${HEADER}_HEADERS)
-  endforeach(HEADER)
-  # If there were new headers, append them to the list of headers
-  if(NEW_HEADERS)
-    append_to_list(HEADERS ${NEW_HEADERS})
-  endif(NEW_HEADERS)
-  # If after all the above there is a list of header, we'll process them, converting them to full paths
-  if(HEADERS)
-    # Remove duplicate headers from the list and sort the list
-    remove_list_duplicates(HEADERS)
-    sort_list(HEADERS)
-    # Set the list of full path headers to empty
-    set(HEADERS_FULL)
-    # Iterate through the list of headers
-    foreach(HEADER ${HEADERS})
-      # Append the full path of the header to the full path headers list
-      append_to_list(HEADERS_FULL ${${HEADER}_FULLPATH})
-    endforeach(HEADER)
-    # Set the given source file to depend on the headers given
-    set_source_files_properties(${SRC} PROPERTIES OBJECT_DEPENDS "${HEADERS_FULL}")
-  endif(HEADERS)
 endmacro(calculate_depends)
 
 ###############################################################################
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9c021ea42..3f90997e1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -378,86 +378,6 @@ if(WIN32)
   configure_file(${Anope_SOURCE_DIR}/src/win32.rc.cmake ${Anope_BINARY_DIR}/src/win32.rc)
 endif(WIN32)
 
-# Calculate dependencies for each header
-# I would've done this inside the CMakeLists.txt for the include directory, but since it's added AFTER everything else, it won't help...
-
-# Firstly, find all the header files
-file(GLOB_RECURSE ALL_HEADERS "*.h")
-# Iterate through the headers
-foreach(HEADER ${ALL_HEADERS})
-  # Don't process the file if it's in an obsolete directory
-  if(NOT HEADER MATCHES ".*obsolete.*")
-    append_to_list(TMP_HEADERS ${HEADER})
-    # In addition, also set up a variable to store the fullpath of the header, in a variable prefixed with just the header's filename for easy access later
-    get_filename_component(HEADER_FILENAME ${HEADER} NAME)
-    set(${HEADER_FILENAME}_FULLPATH ${HEADER})
-  endif(NOT HEADER MATCHES ".*obsolete.*")
-endforeach(HEADER)
-# Set the list of headers to be all the non-obsolete ones, then sort the list
-if(TMP_HEADERS)
-  set(ALL_HEADERS ${TMP_HEADERS})
-  sort_list(ALL_HEADERS)
-endif(TMP_HEADERS)
-
-# Preparse step 1: get filenames sans paths
-# Iterate through the headers
-foreach(HEADER ${ALL_HEADERS})
-  # Find all the lines in the current header that have any form of #include on them, regardless of whitespace
-  read_from_file(${HEADER} "^[ \t]*#[ \t]*include[ \t]*\".*\"[ \t]*$" INCLUDES)
-  # Get the filename only of the header we just checked
-  get_filename_component(HEADER_FILENAME ${HEADER} NAME)
-  # Iterate through the strings containing #include (if any)
-  foreach(INCLUDE ${INCLUDES})
-    # Extract the filename from the #include line
-    extract_include_filename(${INCLUDE} FILENAME)
-    # Append this filename to the list of headers for the header we are checking
-    append_to_list(${HEADER_FILENAME}_HEADERS ${FILENAME})
-  endforeach(INCLUDE)
-endforeach(HEADER)
-
-# Preparse step 2: for every header from above that had includes, recursively find the headers each header relies on
-# Iterate through the headers (again)
-foreach(HEADER ${ALL_HEADERS})
-  # Get the filename only of the current header
-  get_filename_component(HEADER_FILENAME ${HEADER} NAME)
-  # If there were any include, we'll be checking them
-  if(${HEADER_FILENAME}_HEADERS)
-    # Set the variables, old for all previously found headers, new for all newly found headers
-    set(OLD_HEADERS)
-    set(HEADERS ${${HEADER_FILENAME}_HEADERS})
-    set(NEW_HEADERS)
-    # Loop as long as there are still headers to be parsed
-    while(HEADERS)
-      # Iterate through the list of the current headers
-      foreach(CURR_HEADER ${HEADERS})
-        # If that header has headers it relies on, we'll add them to the list of new headers
-        if(${CURR_HEADER}_HEADERS)
-          foreach(CURR_HEADERS_HEADER ${${CURR_HEADER}_HEADERS})
-            append_to_list(NEW_HEADERS ${CURR_HEADERS_HEADER})
-          endforeach(CURR_HEADERS_HEADER)
-        endif(${CURR_HEADER}_HEADERS)
-      endforeach(CURR_HEADER)
-      # Append the headers we checked to the old headers
-      append_to_list(OLD_HEADERS ${HEADERS})
-      # Set the headers to check to the new headers (it may be empty and that'll exit the loop)
-      set(HEADERS ${NEW_HEADERS})
-      # Erase the new headers
-      set(NEW_HEADERS)
-    endwhile(HEADERS)
-    # OLD_HEADERS will now contain all headers that the current header relies on, remove duplicate headers from the list and sort the list
-    remove_list_duplicates(OLD_HEADERS)
-    sort_list(OLD_HEADERS)
-    # Set the current header's list of headers to the cleaned up list from above
-    set(${HEADER_FILENAME}_HEADERS ${OLD_HEADERS})
-  endif(${HEADER_FILENAME}_HEADERS)
-endforeach(HEADER)
-
-# The following headers are generated from CMake rules and won't be found with the above
-append_to_list(ALL_HEADERS ${Anope_BINARY_DIR}/lang/language.h ${Anope_BINARY_DIR}/include/sysconf.h ${Anope_BINARY_DIR}/include/version.h)
-set(language.h_FULLPATH ${Anope_BINARY_DIR}/lang/language.h)
-set(sysconf.h_FULLPATH ${Anope_BINARY_DIR}/include/sysconf.h)
-set(version.h_FULLPATH ${Anope_BINARY_DIR}/include/version.h)
-
 # Add the initial files to ignore which will be ignored regardless of if you are building in-source or out-of-source
 add_to_cpack_ignored_files(".git\;config.cache\;.svn\;CMakeFiles\;sysconf.h$\;Makefile.inc$\;config.log\;config.status\;build\;autom4te.cache" TRUE)
 # Add the files we don't want the periods converted for