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anope/cmake/Anope.cmake
acidvegas 45be6747c9
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2023-05-07 13:44:21 -04:00

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CMake
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###############################################################################
# strip_string(<input string> <output string>)
#
# A macro to handle stripping the leading and trailing spaces from a string,
# uses string(STRIP) if using CMake 2.6.x or better, otherwise uses
# string(REGEX REPLACE).
###############################################################################
macro(strip_string INPUT_STRING OUTPUT_STRING)
if(CMAKE26_OR_BETTER)
# For CMake 2.6.x or better, we can just use the STRIP sub-command of string()
string(STRIP ${INPUT_STRING} ${OUTPUT_STRING})
else(CMAKE26_OR_BETTER)
# For CMake 2.4.x, we will have to use the REGEX REPLACE sub-command of string() instead
# First check if the input string is empty or not
if (${INPUT_STRING} STREQUAL "")
set(${OUTPUT_STRING} "")
else(${INPUT_STRING} STREQUAL "")
# Determine if the string is entirely empty or not
string(REGEX MATCH "^[ \t]*$" EMPTY_STRING "${INPUT_STRING}")
if(EMPTY_STRING)
set(${OUTPUT_STRING} "")
else(EMPTY_STRING)
# We detect if there is any leading whitespace and remove any if there is
string(SUBSTRING "${INPUT_STRING}" 0 1 FIRST_CHAR)
if(FIRST_CHAR STREQUAL " " OR FIRST_CHAR STREQUAL "\t")
string(REGEX REPLACE "^[ \t]+" "" TEMP_STRING "${INPUT_STRING}")
else(FIRST_CHAR STREQUAL " " OR FIRST_CHAR STREQUAL "\t")
set(TEMP_STRING "${INPUT_STRING}")
endif(FIRST_CHAR STREQUAL " " OR FIRST_CHAR STREQUAL "\t")
# Next we detect if there is any trailing whitespace and remove any if there is
string(LENGTH "${TEMP_STRING}" STRING_LEN)
math(EXPR STRING_LEN "${STRING_LEN} - 1")
string(SUBSTRING "${TEMP_STRING}" ${STRING_LEN} 1 LAST_CHAR)
if(LAST_CHAR STREQUAL " " OR LAST_CHAR STREQUAL "\t")
string(REGEX REPLACE "[ \t]+$" "" ${OUTPUT_STRING} "${TEMP_STRING}")
else(LAST_CHAR STREQUAL " " OR LAST_CHAR STREQUAL "\t")
set(${OUTPUT_STRING} "${TEMP_STRING}")
endif(LAST_CHAR STREQUAL " " OR LAST_CHAR STREQUAL "\t")
endif(EMPTY_STRING)
endif(${INPUT_STRING} STREQUAL "")
endif(CMAKE26_OR_BETTER)
endmacro(strip_string)
###############################################################################
# append_to_list(<list> <args>...)
#
# A macro to handle appending to lists, uses list(APPEND) if using CMake 2.4.2
# or better, otherwise uses set() instead.
###############################################################################
macro(append_to_list LIST)
if(CMAKE242_OR_BETTER)
# For CMake 2.4.2 or better, we can just use the APPEND sub-command of list()
list(APPEND ${LIST} ${ARGN})
else(CMAKE242_OR_BETTER)
# For CMake 2.4.x before 2.4.2, we have to do this manually use set() instead
set(${LIST} ${${LIST}} ${ARGN})
endif(CMAKE242_OR_BETTER)
endmacro(append_to_list)
###############################################################################
# find_in_list(<list> <value> <output variable>)
#
# A macro to handle searching within a list, will store the result in the
# given <output variable>, uses list(FIND) if using CMake 2.6.x or better
# (or CMake 2.4.8 or better), otherwise it iterates through the list to find
# the item.
###############################################################################
macro(find_in_list LIST ITEM_TO_FIND FOUND)
if(CMAKE248_OR_BETTER)
# For CMake 2.4.8 or better, we can use the FIND sub-command of list()
list(FIND ${LIST} ${ITEM_TO_FIND} ITEM_FOUND)
else(CMAKE248_OR_BETTER)
# For CMake 2.4.x before 2.4.8, we have to do this ourselves (NOTE: This is very slow due to a lack of break() as well)
# Firstly we set the position to -1 indicating nothing found, we also use a temporary position
set(ITEM_FOUND -1)
set(POS 0)
# Iterate through the list
foreach(ITEM ${${LIST}})
# If the item we are looking at is the item we are trying to find, set that we've found the item
if(${ITEM} STREQUAL ${ITEM_TO_FIND})
set(ITEM_FOUND ${POS})
endif(${ITEM} STREQUAL ${ITEM_TO_FIND})
# Increase the position value by 1
math(EXPR POS "${POS} + 1")
endforeach(ITEM)
endif(CMAKE248_OR_BETTER)
# Set the given FOUND variable to the result
set(${FOUND} ${ITEM_FOUND})
endmacro(find_in_list)
###############################################################################
# remove_list_duplicates(<list>)
#
# A macro to handle removing duplicates from a list, uses
# list(REMOVE_DUPLICATES) if using CMake 2.6.x or better, otherwise it uses
# a slower method of creating a temporary list and only adding to it when
# a duplicate item hasn't been found.
###############################################################################
macro(remove_list_duplicates LIST)
if(CMAKE26_OR_BETTER)
# For CMake 2.6.x or better, this can be done automatically
list(REMOVE_DUPLICATES ${LIST})
else(CMAKE26_OR_BETTER)
# For CMake 2.4.x, we have to do this ourselves, firstly we'll clear a temporary list
set(NEW_LIST)
# Iterate through the old list
foreach(ITEM ${${LIST}})
# Check if the item is in the new list
find_in_list(NEW_LIST ${ITEM} FOUND_ITEM)
if(FOUND_ITEM EQUAL -1)
# If the item was not found, append it to the list
append_to_list(NEW_LIST ${ITEM})
endif(FOUND_ITEM EQUAL -1)
endforeach(ITEM)
# Replace the old list with the new list
set(${LIST} ${NEW_LIST})
endif(CMAKE26_OR_BETTER)
endmacro(remove_list_duplicates)
###############################################################################
# remove_item_from_list(<list> <value>)
#
# A macro to handle removing a value from a list, uses list(REMOVE_ITEM) in
# both cases, but can remove the value itself using CMake 2.4.2 or better,
# while older versions use a slower method of iterating the list to find the
# index of the value to remove.
###############################################################################
macro(remove_item_from_list LIST VALUE)
if(CMAKE242_OR_BETTER)
# For CMake 2.4.2 or better, this can be done automatically
list(REMOVE_ITEM ${LIST} ${VALUE})
else(CMAKE242_OR_BETTER)
# For CMake 2.4.x before 2.4.2, we have to do this ourselves, firstly we set the index and a variable to indicate if the item was found
set(INDEX 0)
set(FOUND FALSE)
# Iterate through the old list
foreach(ITEM ${${LIST}})
# If the item hasn't been found yet, but the current item is the same, remove it
if(NOT FOUND)
if(ITEM STREQUAL ${VALUE})
set(FOUND TRUE)
list(REMOVE_ITEM ${LIST} ${INDEX})
endif(ITEM STREQUAL ${VALUE})
endif(NOT FOUND)
# Increase the index value by 1
math(EXPR INDEX "${INDEX} + 1")
endforeach(ITEM)
endif(CMAKE242_OR_BETTER)
endmacro(remove_item_from_list)
###############################################################################
# sort_list(<list>)
#
# A macro to handle sorting a list, uses list(SORT) if using CMake 2.4.4 or
# better, otherwise it uses a slower method of creating a temporary list and
# adding elements in alphabetical order.
###############################################################################
macro(sort_list LIST)
if(CMAKE244_OR_BETTER)
# For CMake 2.4.4 or better, this can be done automatically
list(SORT ${LIST})
else(CMAKE244_OR_BETTER)
# For CMake 2.4.x before 2.4.4, we have to do this ourselves, firstly we'll create a temporary list
set(NEW_LIST)
# Iterate through the old list
foreach(ITEM ${${LIST}})
# Temporary index position for the new list, as well as temporary value to store if the item was ever found
set(INDEX 0)
set(FOUND FALSE)
# Iterate through the new list
foreach(NEW_ITEM ${NEW_LIST})
# Compare the items, only if nothing was found before
if(NOT FOUND)
if(NEW_ITEM STRGREATER "${ITEM}")
set(FOUND TRUE)
list(INSERT NEW_LIST ${INDEX} ${ITEM})
endif(NEW_ITEM STRGREATER "${ITEM}")
endif(NOT FOUND)
# Increase the index value by 1
math(EXPR INDEX "${INDEX} + 1")
endforeach(NEW_ITEM)
# If the item was never found, just append it to the end
if(NOT FOUND)
append_to_list(NEW_LIST ${ITEM})
endif(NOT FOUND)
endforeach(ITEM)
# Replace the old list with the new list
set(${LIST} ${NEW_LIST})
endif(CMAKE244_OR_BETTER)
endmacro(sort_list)
###############################################################################
# read_from_file(<filename> <regex> <output variable>)
#
# A macro to handle reading specific lines from a file, uses file(STRINGS) if
# using CMake 2.6.x or better, otherwise we read in the entire file and
# perform a string(REGEX MATCH) on each line of the file instead. This
# macro can also be used to read in all the lines of a file if REGEX is set
# to "".
###############################################################################
macro(read_from_file FILE REGEX STRINGS)
if(CMAKE26_OR_BETTER)
# For CMake 2.6.x or better, we can just use the STRINGS sub-command to get the lines that match the given regular expression (if one is given, otherwise get all lines)
if(REGEX STREQUAL "")
file(STRINGS ${FILE} RESULT)
else(REGEX STREQUAL "")
file(STRINGS ${FILE} RESULT REGEX ${REGEX})
endif(REGEX STREQUAL "")
else(CMAKE26_OR_BETTER)
# For CMake 2.4.x, we need to do this manually, firstly we read the file in
execute_process(COMMAND ${CMAKE_COMMAND} -DFILE:STRING=${FILE} -P ${Anope_SOURCE_DIR}/cmake/ReadFile.cmake ERROR_VARIABLE ALL_STRINGS)
# Next we replace all newlines with semicolons
string(REGEX REPLACE "\n" ";" ALL_STRINGS ${ALL_STRINGS})
if(REGEX STREQUAL "")
# For no regular expression, just set the result to all the lines
set(RESULT ${ALL_STRINGS})
else(REGEX STREQUAL "")
# Clear the result list
set(RESULT)
# Iterate through all the lines of the file
foreach(STRING ${ALL_STRINGS})
# Check for a match against the given regular expression
string(REGEX MATCH ${REGEX} STRING_MATCH ${STRING})
# If we had a match, append the match to the list
if(STRING_MATCH)
append_to_list(RESULT ${STRING})
endif(STRING_MATCH)
endforeach(STRING)
endif(REGEX STREQUAL "")
endif(CMAKE26_OR_BETTER)
# Set the given STRINGS variable to the result
set(${STRINGS} ${RESULT})
endmacro(read_from_file)
###############################################################################
# extract_include_filename(<line> <output variable> [<optional output variable of quote type>])
#
# This macro will take a #include line and extract the filename.
###############################################################################
macro(extract_include_filename INCLUDE FILENAME)
# Strip the leading and trailing spaces from the include line
strip_string(${INCLUDE} INCLUDE_STRIPPED)
# Make sure to only do the following if there is a string
if(INCLUDE_STRIPPED STREQUAL "")
set(FILE "")
else(INCLUDE_STRIPPED STREQUAL "")
# 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(QUOTE STREQUAL "<")
set(${ARGV2} "quotes")
endif(QUOTE STREQUAL "<")
endif(${ARGC} GREATER 2)
# Now remove the quotes or angle brackets
string(REGEX REPLACE "^[\"<](.*)[\">]$" "\\1" FILE "${FILE}")
endif(INCLUDE_STRIPPED STREQUAL "")
# Set the filename to the the given variable
set(${FILENAME} "${FILE}")
endmacro(extract_include_filename)
###############################################################################
# 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 #
read_from_file(${SRC} "^[ \t]*#.*$" LINES)
# 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(DEFINE STREQUAL "_WIN32")
# 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(${DEFINE})
set(VALID_LINE FALSE)
endif(${DEFINE})
else(FOUND_IFDEF)
# 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(DEFINE STREQUAL "_WIN32")
# 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(${DEFINE})
set(VALUE_LINE TRUE)
endif(${DEFINE})
else(FOUND_IFNDEF)
# 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(${LAST_DEF})
set(VALID_LINE FALSE)
else(${LAST_DEF})
set(VALID_LINE TRUE)
endif(${LAST_DEF})
# When LAST_CHECK is false, we were inside a #ifndef, now act as if we are entering a #ifdef section by doing an opposing check
else(LAST_CHECK)
if(${LAST_DEF})
set(VALID_LINE TRUE)
else(${LAST_DEF})
set(VALID_LINE FALSE)
endif(${LAST_DEF})
endif(LAST_CHECK)
else(FOUND_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(FOUND_ENDIF)
# 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)
append_to_list(INCLUDES_LIST "${LINE}")
endif(VALID_LINE)
endif(FOUND_INCLUDE)
endif(FOUND_ENDIF)
endif(FOUND_ELSE)
endif(FOUND_IFNDEF)
endif(FOUND_IFDEF)
endforeach(LINE)
set(${INCLUDES} ${INCLUDES_LIST})
endmacro(find_includes)
###############################################################################
# calculate_depends(<source filename> [<optional output variable for includes>])
#
# This macro is used in most of the src (sub)directories to calculate the
# header file dependencies for the given source file.
###############################################################################
macro(calculate_depends SRC)
# Temporarily set that we didn't get a 3rd argument before we actually check if we did get one or not
set(CHECK_ANGLE_INCLUDES FALSE)
# Check for a third argument
if(${ARGC} GREATER 1)
set(CHECK_ANGLE_INCLUDES TRUE)
endif(${ARGC} GREATER 1)
# Find all the lines in the given source file that have any form of #include on them, regardless of whitespace, but only if they are valid for the platform we are on
find_includes(${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(DEFAULT_INCLUDE_DIRS OR WSDK_PATH OR DEFINED $ENV{VCINSTALLDIR})
find_path(FOUND_${FILENAME}_INCLUDE NAMES ${FILENAME} ${EXTRA_INCLUDE})
endif(DEFAULT_INCLUDE_DIRS OR WSDK_PATH OR DEFINED $ENV{VCINSTALLDIR})
# If the include file was found, add it's path to the list of include paths, but only if it doesn't already exist and isn't in the defaults for the compiler
if(FOUND_${FILENAME}_INCLUDE)
# This used to be find_in_list, 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(FOUND_DEFAULT)
endforeach(DEFAULT_INCLUDE_DIR)
if(FOUND_IN_DEFAULTS EQUAL -1)
find_in_list(${ARGV1} "${FOUND_${FILENAME}_INCLUDE}" FOUND_IN_INCLUDES)
if(FOUND_IN_INCLUDES EQUAL -1)
append_to_list(${ARGV1} "${FOUND_${FILENAME}_INCLUDE}")
endif(FOUND_IN_INCLUDES EQUAL -1)
endif(FOUND_IN_DEFAULTS EQUAL -1)
else(FOUND_${FILENAME}_INCLUDE)
# 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(NOT ${FILENAME} STREQUAL "libintl.h")
endif(FOUND_${FILENAME}_INCLUDE)
endif(CHECK_ANGLE_INCLUDES)
endif(QUOTE_TYPE STREQUAL "angle brackets")
endforeach(INCLUDE)
endmacro(calculate_depends)
###############################################################################
# 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
# library dependencies for the given source file.
###############################################################################
macro(calculate_libraries SRC SRC_LDFLAGS EXTRA_DEPENDS)
# Set up a temporary LDFLAGS for this file
set(THIS_LDFLAGS "${LDFLAGS}")
# Reset extra dependencies
set(EXTRA_DEPENDENCIES)
# Reset library paths
set(LIBRARY_PATHS)
# Reset libraries
set(LIBRARIES)
# Check to see if there are any lines matching: /* RequiredLibraries: [something] */
if(WIN32)
read_from_file(${SRC} "/\\\\*[ \t]*RequiredWindowsLibraries:[ \t]*.*[ \t]*\\\\*/" REQUIRED_LIBRARIES)
else(WIN32)
read_from_file(${SRC} "/\\\\*[ \t]*RequiredLibraries:[ \t]*.*[ \t]*\\\\*/" REQUIRED_LIBRARIES)
endif(WIN32)
# Iterate through those lines
foreach(REQUIRED_LIBRARY ${REQUIRED_LIBRARIES})
# Strip off the /* RequiredLibraries: and */ from the line
string(REGEX REPLACE "/\\*[ \t]*Required.*Libraries:[ \t]*([^ \t]*)[ \t]*\\*/" "\\1" REQUIRED_LIBRARY ${REQUIRED_LIBRARY})
# Replace all commas with semicolons
string(REGEX REPLACE "," ";" REQUIRED_LIBRARY ${REQUIRED_LIBRARY})
# Iterate through the libraries given
foreach(LIBRARY ${REQUIRED_LIBRARY})
# If the library has multiple names extract the alternate.
unset(LIBRARY_ALT)
if (${LIBRARY} MATCHES "^.+\\|.+$")
string(REGEX REPLACE ".+\\|(.*)" "\\1" LIBRARY_ALT ${LIBRARY})
string(REGEX REPLACE "(.+)\\|.*" "\\1" LIBRARY ${LIBRARY})
endif(${LIBRARY} MATCHES "^.+\\|.+$")
# Locate the library to see if it exists
if(DEFAULT_LIBRARY_DIRS OR WSDK_PATH OR DEFINED $ENV{VCINSTALLDIR})
find_library(FOUND_${LIBRARY}_LIBRARY NAMES ${LIBRARY} ${LIBRARY_ALT} PATHS ${DEFAULT_LIBRARY_DIRS} ${WSDK_PATH}/lib $ENV{VCINSTALLDIR}/lib ${EXTRA_INCLUDE} ${EXTRA_LIBS})
else(DEFAULT_LIBRARY_DIRS OR WSDK_PATH OR DEFINED $ENV{VCINSTALLDIR})
find_library(FOUND_${LIBRARY}_LIBRARY NAMES ${LIBRARY} ${LIBRARY_ALT} PATHS ${EXTRA_INCLUDE} ${EXTRA_LIBS} NO_DEFAULT_PATH)
find_library(FOUND_${LIBRARY}_LIBRARY NAMES ${LIBRARY} ${LIBRARY_ALT} PATHS ${EXTRA_INCLUDE} ${EXTRA_LIBS})
endif(DEFAULT_LIBRARY_DIRS OR WSDK_PATH OR DEFINED $ENV{VCINSTALLDIR})
# If the library was found, we will add it to the linker flags
if(FOUND_${LIBRARY}_LIBRARY)
if(MSVC)
# For Visual Studio, instead of editing the linker flags, we'll add the library to a separate list of extra dependencies
append_to_list(EXTRA_DEPENDENCIES "${FOUND_${LIBRARY}_LIBRARY}")
else(MSVC)
# Get the path only of the library, to add it to library paths.
get_filename_component(LIBRARY_PATH ${FOUND_${LIBRARY}_LIBRARY} PATH)
append_to_list(LIBRARY_PATHS "${LIBRARY_PATH}")
# Extract the library short name, add it to the library path
get_filename_component(LIBRARY_NAME ${FOUND_${LIBRARY}_LIBRARY} NAME_WE)
string(REGEX REPLACE "^lib" "" LIBRARY_NAME ${LIBRARY_NAME})
append_to_list(LIBRARIES ${LIBRARY_NAME})
endif(MSVC)
else(FOUND_${LIBRARY}_LIBRARY)
# In the case of the library not being found, we fatally error so CMake stops trying to generate
message(FATAL_ERROR "${SRC} needs library ${LIBRARY} but we were unable to locate that library! Check that the library is within the search path of your OS.")
endif(FOUND_${LIBRARY}_LIBRARY)
endforeach(LIBRARY)
endforeach(REQUIRED_LIBRARY)
# Remove duplicates from the library paths
if(LIBRARY_PATHS)
remove_list_duplicates(LIBRARY_PATHS)
endif(LIBRARY_PATHS)
# Remove diplicates from the libraries
if(LIBRARIES)
remove_list_duplicates(LIBRARIES)
endif(LIBRARIES)
# Iterate through library paths and add them to the linker flags
foreach(LIBRARY_PATH ${LIBRARY_PATHS})
find_in_list(DEFAULT_LIBRARY_DIRS "${LIBRARY_PATH}" FOUND_IN_DEFAULTS)
if(FOUND_IN_DEFAULTS EQUAL -1)
set(THIS_LDFLAGS "${THIS_LDFLAGS} -L${LIBRARY_PATH}")
endif(FOUND_IN_DEFAULTS EQUAL -1)
endforeach(LIBRARY_PATH)
# Iterate through libraries and add them to the linker flags
foreach(LIBRARY ${LIBRARIES})
append_to_list(EXTRA_DEPENDENCIES "${LIBRARY}")
endforeach(LIBRARY)
set(${SRC_LDFLAGS} "${THIS_LDFLAGS}")
set(${EXTRA_DEPENDS} "${EXTRA_DEPENDENCIES}")
endmacro(calculate_libraries)
###############################################################################
# check_functions(<source filename> <output variable set to TRUE on success>)
#
# This macro is used in most of the module (sub)directories to calculate the
# function dependencies for the given source file.
###############################################################################
macro(check_functions SRC SUCCESS)
# Default to true
set(${SUCCESS} TRUE)
# Check to see if there are any lines matching: /* RequiredFunctions: [something] */
read_from_file(${SRC} "/\\\\*[ \t]*RequiredFunctions:[ \t]*.*[ \t]*\\\\*/" REQUIRED_FUNCTIONS)
# Iterate through those lines
foreach(REQUIRED_FUNCTION ${REQUIRED_FUNCTIONS})
# Strip off the /* RequiredFunctions: and */ from the line
string(REGEX REPLACE "/\\*[ \t]*RequiredFunctions:[ \t]*([^ \t]*)[ \t]*\\*/" "\\1" REQUIRED_FUNCTION ${REQUIRED_FUNCTION})
# Replace all commas with semicolons
string(REGEX REPLACE "," ";" REQUIRED_FUNCTION ${REQUIRED_FUNCTION})
# Iterate through the functions given
foreach(FUNCTION ${REQUIRED_FUNCTION})
# Check if the function exists
check_function_exists(${REQUIRED_FUNCTION} HAVE_${REQUIRED_FUNCTION})
# If we don't have the function warn the user and set SUCCESS to FALSE
if(NOT HAVE_${REQUIRED_FUNCTION})
message("${SRC} needs function ${REQUIRED_FUNCTION} but we were unable to locate that function!")
set(${SUCCESS} FALSE)
endif(NOT HAVE_${REQUIRED_FUNCTION})
endforeach(FUNCTION)
endforeach(REQUIRED_FUNCTION)
endmacro(check_functions)
###############################################################################
# add_to_cpack_ignored_files(<item> [TRUE])
#
# A macro to update the environment variable CPACK_IGNORED_FILES which
# contains a list of files for CPack to ignore. If the optional 2nd argument
# of TRUE is given, periods will be converted to \\. for CPack.
###############################################################################
macro(add_to_cpack_ignored_files ITEM)
# Temporary copy of the orignal item
set(REAL_ITEM "${ITEM}")
# If we have 2+ arguments, assume that the second one was something like TRUE (doesn't matter really) and convert periods so they will be \\. for CPack
if(${ARGC} GREATER 1)
string(REPLACE "." "\\\\." REAL_ITEM ${REAL_ITEM})
endif(${ARGC} GREATER 1)
# If the environment variable is already defined, just tack the item to the end
if(DEFINED ENV{CPACK_IGNORED_FILES})
set(ENV{CPACK_IGNORED_FILES} "$ENV{CPACK_IGNORED_FILES};${REAL_ITEM}")
# Otherwise set the environment variable to the item
else(DEFINED ENV{CPACK_IGNORED_FILES})
set(ENV{CPACK_IGNORED_FILES} "${REAL_ITEM}")
endif(DEFINED ENV{CPACK_IGNORED_FILES})
endmacro(add_to_cpack_ignored_files)
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