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#
### Macro: subdirlist
#
# Returns a list of subdirectories.
#
macro(subdirlist result curdir)
file(GLOB children RELATIVE ${curdir} ${curdir}/*)
set(dirlist "")
foreach(child ${children})
if(IS_DIRECTORY ${curdir}/${child})
set(dirlist ${dirlist} ${child})
endif()
endforeach()
set(${result} ${dirlist})
endmacro()
#
### Macro: join
#
# Joins a string array.
# Example:
# SET( letters "" "\;a" b c "d\;d" )
# JOIN("${letters}" ":" output)
# MESSAGE("${output}") # :;a:b:c:d;d
#
function(JOIN VALUES GLUE OUTPUT)
string (REPLACE ";" "${GLUE}" _TMP_STR "${VALUES}")
set (${OUTPUT} "${_TMP_STR}" PARENT_SCOPE)
endfunction()
#
### Macro: list_length
#
# Example:
# SET(MYLIST hello world foo bar)
# LIST_LENGTH(length ${MYLIST})
# MESSAGE("length: ${length}")
#
macro(LIST_LENGTH var)
set(entries)
foreach(e ${ARGN})
set(entries "${entries}.")
endforeach(e)
string(LENGTH ${entries} ${var})
endmacro()
#
### Function: append_unique_list
#
# Appends items from the source list to the given target list
# if they are not already contained within the target list
# in flattened string form.
#
function(append_unique_list target source)
if (NOT ${source})
return()
endif()
if (NOT ${target})
set(${target} ${${source}} PARENT_SCOPE)
else()
join("${${target}}" ":" target_str)
join("${${source}}" ":" source_str)
if (NOT ${target_str} MATCHES ${source_str})
set(${target} ${${target}} ${${source}} PARENT_SCOPE)
endif()
endif()
endfunction()
#
### Function: filter_list
#
function(filter_list result source regex)
set(items)
foreach(ITR ${source})
if(NOT ITR MATCHES ${regex})
list(APPEND items ${ITR})
endif()
endforeach()
set(${result} ${items} PARENT_SCOPE)
endfunction()
#
### Function: find_existing_directory
#
function(find_existing_directory result)
foreach(dir ${ARGN})
if(EXISTS ${dir})
get_filename_component(dir ${dir} ABSOLUTE)
set(${result} ${dir} PARENT_SCOPE)
return()
endif()
endforeach()
endfunction()
#
### Macro: print_module_variables
#
macro(print_module_variables name)
message(STATUS "${name} Variables:")
message(STATUS "-- Found: ${${name}_FOUND}")
if (${name}_INCLUDE_DIRS)
message(STATUS "-- Include Dirs: ${${name}_INCLUDE_DIRS}")
else()
message(STATUS "-- Include Dir: ${${name}_INCLUDE_DIR}")
endif()
if (${name}_LIBRARIES)
message(STATUS "-- Libraries: ${${name}_LIBRARIES}")
message(STATUS "-- Debug Libraries: ${${name}_LIBRARIES_DEBUG}")
message(STATUS "-- Release Libraries: ${${name}_LIBRARIES_RELEASE}")
else()
message(STATUS "-- Library: ${${name}_LIBRARY}")
message(STATUS "-- Debug Library: ${${name}_LIBRARY_DEBUG}")
message(STATUS "-- Release Library: ${${name}_LIBRARY_RELEASE}")
endif()
message(STATUS "-- Dependencies: ${${name}_DEPENDENCIES}")
# message("Paths: ${${prefix}_PATHS}")
# message("Debug Paths: ${${prefix}_PATHS_RELEASE}")
# message("Release Paths: ${${prefix}_PATHS_DEBUG}")
# message("Debug Names: ${${prefix}_NAMES_RELEASE}")
# message("Release Names: ${${prefix}_NAMES_DEBUG}")
# message("Names: ${${prefix}_NAMES}")
endmacro()
#
### Macro: set_option
#
# Provides an option that the user can optionally select.
# Can accept condition to control when option is available for user.
# Usage:
# option(<option_variable> "help string describing the option" <initial value or boolean expression> [IF <condition>])
#
macro(set_option variable description value)
set(__value ${value})
set(__condition "")
set(__varname "__value")
foreach(arg ${ARGN})
if(arg STREQUAL "IF" OR arg STREQUAL "if")
set(__varname "__condition")
else()
list(APPEND ${__varname} ${arg})
endif()
endforeach()
unset(__varname)
if(__condition STREQUAL "")
set(__condition 2 GREATER 1)
endif()
if(DEFINED ${variable})
# set the default option value from existing value or command line arguments
option(${variable} "${description}" ${${variable}})
else()
# if variable not defined set default from condition
if(${__condition})
if(${__value} MATCHES ";")
if(${__value})
option(${variable} "${description}" ON)
else()
option(${variable} "${description}" OFF)
endif()
elseif(DEFINED ${__value})
if(${__value})
option(${variable} "${description}" ON)
else()
option(${variable} "${description}" OFF)
endif()
else()
option(${variable} "${description}" ${__value})
endif()
else()
unset(${variable} CACHE)
endif()
endif()
unset(__condition)
unset(__value)
endmacro()
#
### Function: status
#
# Status report function.
# Automatically align right column and selects text based on condition.
# Usage:
# status(<text>)
# status(<heading> <value1> [<value2> ...])
# status(<heading> <condition> THEN <text for TRUE> ELSE <text for FALSE> )
#
function(status text)
set(status_cond)
set(status_then)
set(status_else)
set(status_current_name "cond")
foreach(arg ${ARGN})
if(arg STREQUAL "THEN")
set(status_current_name "then")
elseif(arg STREQUAL "ELSE")
set(status_current_name "else")
else()
list(APPEND status_${status_current_name} ${arg})
endif()
endforeach()
if(DEFINED status_cond)
set(status_placeholder_length 32)
string(RANDOM LENGTH ${status_placeholder_length} ALPHABET " " status_placeholder)
string(LENGTH "${text}" status_text_length)
if(status_text_length LESS status_placeholder_length)
string(SUBSTRING "${text}${status_placeholder}" 0 ${status_placeholder_length} status_text)
elseif(DEFINED status_then OR DEFINED status_else)
message(STATUS "${text}")
set(status_text "${status_placeholder}")
else()
set(status_text "${text}")
endif()
if(DEFINED status_then OR DEFINED status_else)
if(${status_cond})
string(REPLACE ";" " " status_then "${status_then}")
string(REGEX REPLACE "^[ \t]+" "" status_then "${status_then}")
message(STATUS "${status_text} ${status_then}")
else()
string(REPLACE ";" " " status_else "${status_else}")
string(REGEX REPLACE "^[ \t]+" "" status_else "${status_else}")
message(STATUS "${status_text} ${status_else}")
endif()
else()
string(REPLACE ";" " " status_cond "${status_cond}")
string(REGEX REPLACE "^[ \t]+" "" status_cond "${status_cond}")
message(STATUS "${status_text} ${status_cond}")
endif()
else()
message(STATUS "${text}")
endif()
endfunction()
#
### Macro: messageV
#
# Prints message only with MSG_VERBOSE=ON
# Usage:
# messageV(<msg>)
#
function(messageV text)
if(${MSG_VERBOSE})
message(STATUS "${text}")
endif()
endfunction()
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