Rip out calculate_depends().

This code is incredibly error prone and it just duplicates behaviour
that CMake already implements with depend.make files.

1 files changed, 0 insertions, 183 deletions

diff --git a/cmake/Anope.cmake b/cmake/Anope.cmake
index bda078da9..7c9781d6f 100644
--- a/cmake/Anope.cmake
+++ b/cmake/Anope.cmake
@@ -1,187 +1,4 @@
 ###############################################################################
-# extract_include_filename(<line> <output variable> [<optional output variable of quote type>])
-#
-# This macro will take a #include line and extract the filename.
-###############################################################################
-macro(extract_include_filename INCLUDE FILENAME)
-  # Strip the leading and trailing spaces from the include line
-  string(STRIP ${INCLUDE} INCLUDE_STRIPPED)
-  # Make sure to only do the following if there is a string
-  if(INCLUDE_STRIPPED STREQUAL "")
-    set(FILE "")
-  else()
-    # Extract the filename including the quotes or angle brackets
-    string(REGEX REPLACE "^.*([\"<].*[\">]).*$" "\\1" FILE "${INCLUDE_STRIPPED}")
-    # If an optional 3rd argument is given, we'll store if the quote style was quoted or angle bracketed
-    if(${ARGC} GREATER 2)
-      string(SUBSTRING ${FILE} 0 1 QUOTE)
-      if(QUOTE STREQUAL "<")
-        set(${ARGV2} "angle brackets")
-      else()
-        set(${ARGV2} "quotes")
-      endif()
-    endif()
-    # Now remove the quotes or angle brackets
-    string(REGEX REPLACE "^[\"<](.*)[\">]$" "\\1" FILE "${FILE}")
-  endif()
-  # Set the filename to the the given variable
-  set(${FILENAME} "${FILE}")
-endmacro()
-
-###############################################################################
-# find_includes(<source filename> <output variable>)
-#
-# This macro will search through a file for #include lines, regardless of
-#   whitespace, but only returns the lines that are valid for the current
-#   platform CMake is running on.
-###############################################################################
-macro(find_includes SRC INCLUDES)
-  # Read all lines from the file that start with #, regardless of whitespace before the #
-  file(STRINGS ${SRC} LINES REGEX "^[ \t]*#.*$")
-  # Set that any #include lines found are valid, and create temporary variables for the last found #ifdef/#ifndef
-  set(VALID_LINE TRUE)
-  set(LAST_DEF)
-  set(LAST_CHECK)
-  # Create an empty include list
-  set(INCLUDES_LIST)
-  # Iterate through all the # lines
-  foreach(LINE ${LINES})
-    # Search for #ifdef, #ifndef, #else, #endif, and #include
-    string(REGEX MATCH "^[ \t]*#[ \t]*ifdef[ \t]*.*$" FOUND_IFDEF ${LINE})
-    string(REGEX MATCH "^[ \t]*#[ \t]*ifndef[ \t]*.*$" FOUND_IFNDEF ${LINE})
-    string(REGEX MATCH "^[ \t]*#[ \t]*else.*$" FOUND_ELSE ${LINE})
-    string(REGEX MATCH "^[ \t]*#[ \t]*endif.*$" FOUND_ENDIF ${LINE})
-    string(REGEX MATCH "^[ \t]*#[ \t]*include[ \t]*[\"<].*[\">][\ t]*.*$" FOUND_INCLUDE ${LINE})
-    # If we found a #ifdef on the line, extract the data after the #ifdef and set if the lines after it are valid based on the variables in CMake
-    if(FOUND_IFDEF)
-      # Extract the define
-      string(REGEX REPLACE "^[ \t]*#[ \t]*ifdef[ \t]*(.*)$" "\\1" DEFINE ${LINE})
-      # Replace _WIN32 with WIN32, so we can check if the WIN32 variable of CMake is set instead of _WIN32
-      if(DEFINE STREQUAL "_WIN32")
-        set(DEFINE WIN32)
-      endif()
-      # Set the last define to this one, and set the last check to true, so when #else is encountered, we can do an opposing check
-      set(LAST_DEF ${DEFINE})
-      set(LAST_CHECK TRUE)
-      # If the define is true (it either exists or is a non-false result), the lines following will be checked, otherwise they will be skipped
-      if(${DEFINE})
-        set(VALID_LINE TRUE)
-      else()
-        set(VALID_LINE FALSE)
-      endif()
-    else()
-      # If we found a #ifndef on the line, the same thing as #ifdef is done, except with the checks in the opposite direction
-      if(FOUND_IFNDEF)
-        # Extract the define
-        string(REGEX REPLACE "^[ \t]*#[ \t]*ifndef[ \t]*(.*)$" "\\1" DEFINE ${LINE})
-        # Replace _WIN32 with WIN32, so we can check if the WIN32 variable of CMake is set instead of _WIN32
-        if(DEFINE STREQUAL "_WIN32")
-          set(DEFINE WIN32)
-        endif()
-        # Set the last define to this one, and set the last check to false, so when #else is encountered, we can do an opposing check
-        set(LAST_DEF ${DEFINE})
-        set(LAST_CHECK FALSE)
-        # If the define is not true (it either doesn't exists or is a false result), the lines following will be checked, otherwise they will be skipped
-        if(${DEFINE})
-          set(VALID_LINE FALSE)
-        else()
-          set(VALUE_LINE TRUE)
-        endif()
-      else()
-        # If we found a #else on the line, we check the last define in the opposite direction
-        if(FOUND_ELSE)
-          # When LAST_CHECK is true, we were inside a #ifdef, now act as if we are entering a #ifndef section by doing an opposing check
-          if(LAST_CHECK)
-            if(${LAST_DEF})
-              set(VALID_LINE FALSE)
-            else()
-              set(VALID_LINE TRUE)
-            endif()
-          # When LAST_CHECK is false, we were inside a #ifndef, now act as if we are entering a #ifdef section by doing an opposing check
-          else()
-            if(${LAST_DEF})
-              set(VALID_LINE TRUE)
-            else()
-              set(VALID_LINE FALSE)
-            endif()
-          endif()
-        else()
-          # If we found a #endif on the line, we'll assume everything following the line is valid until we meet another one of the above lines
-          if(FOUND_ENDIF)
-            set(VALID_LINE TRUE)
-          else()
-            # If we found a #include on the line, add the entire line to the list of includes unless the line isn't valid
-            if(FOUND_INCLUDE)
-              if(VALID_LINE)
-                list(APPEND INCLUDES_LIST "${LINE}")
-              endif()
-            endif()
-          endif()
-        endif()
-      endif()
-    endif()
-  endforeach()
-  set(${INCLUDES} ${INCLUDES_LIST})
-endmacro()
-
-###############################################################################
-# calculate_depends(<source filename> [<optional output variable for includes>])
-#
-# This macro is used in most of the src (sub)directories to calculate the
-#   header file dependencies for the given source file.
-###############################################################################
-macro(calculate_depends SRC)
-  # Temporarily set that we didn't get a 3rd argument before we actually check if we did get one or not
-  set(CHECK_ANGLE_INCLUDES FALSE)
-  # Check for a third argument
-  if(${ARGC} GREATER 1)
-    set(CHECK_ANGLE_INCLUDES TRUE)
-  endif()
-  # Find all the lines in the given source file that have any form of #include on them, regardless of whitespace, but only if they are valid for the platform we are on
-  find_includes(${SRC} INCLUDES)
-  # Reset the list of headers to empty
-  set(HEADERS)
-  # Iterate through the strings containing #include (if any)
-  foreach(INCLUDE ${INCLUDES})
-    # Extract the filename from the #include line
-    extract_include_filename(${INCLUDE} FILENAME QUOTE_TYPE)
-    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
-        if(DEFAULT_INCLUDE_DIRS OR WSDK_PATH OR DEFINED $ENV{VCINSTALLDIR})
-          find_path(FOUND_${FILENAME}_INCLUDE NAMES ${FILENAME} PATHS ${DEFAULT_INCLUDE_DIRS} ${WSDK_PATH}/include $ENV{VCINSTALLDIR}/include ${EXTRA_INCLUDE})
-        else()
-          find_path(FOUND_${FILENAME}_INCLUDE NAMES ${FILENAME} ${EXTRA_INCLUDE})
-        endif()
-        # If the include file was found, add it's path to the list of include paths, but only if it doesn't already exist and isn't in the defaults for the compiler
-        if(FOUND_${FILENAME}_INCLUDE)
-          # This used to be list(FIND), but it was changed to this loop to do a find on each default include directory, this fixes Mac OS X trying to get it's framework directories in here
-          set(FOUND_IN_DEFAULTS -1)
-          foreach(DEFAULT_INCLUDE_DIR ${DEFAULT_INCLUDE_DIRS})
-            string(REGEX REPLACE "\\+" "\\\\+" DEFAULT_INCLUDE_DIR ${DEFAULT_INCLUDE_DIR})
-            string(REGEX MATCH ${DEFAULT_INCLUDE_DIR} FOUND_DEFAULT ${FOUND_${FILENAME}_INCLUDE})
-            if(FOUND_DEFAULT)
-              set(FOUND_IN_DEFAULTS 0)
-            endif()
-          endforeach()
-          if(FOUND_IN_DEFAULTS EQUAL -1)
-            if("${FOUND_${FILENAME}_INCLUDE}" IN_LIST ARGV1)
-              list(APPEND ${ARGV1} "${FOUND_${FILENAME}_INCLUDE}")
-            endif()
-          endif()
-        else()
-          # XXX
-          if(NOT ${FILENAME} STREQUAL "libintl.h")
-            message(FATAL_ERROR "${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()
-        endif()
-      endif()
-    endif()
-  endforeach()
-endmacro()
-
-###############################################################################
 # calculate_libraries(<source filename> <output variable for linker flags> <output variable for extra depends>)
 #
 # This macro is used in most of the module (sub)directories to calculate the