moodmeter/cmake_modules/Macros.cmake
Abdelrahman Mahmoud 1c529efd07 Add custom module
2016-03-18 14:31:27 -04:00

106 lines
3.3 KiB
CMake

# Extracting the subdirectories from a given folder
#
# Usage:
# SUBDIRLIST( SUBDIRS "path/to/base/dir" )
#
# Source: http://stackoverflow.com/questions/7787823/cmake-how-to-get-the-name-of-all-subdirectories-of-a-directory
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} ${dirlist})
ENDMACRO()
# Search packages for host system instead of packages for target system
# in case of cross compilation thess macro should be defined by toolchain file
# adopted from OpenCV
if(NOT COMMAND find_host_package)
macro(find_host_package)
find_package(${ARGN})
endmacro()
endif()
if(NOT COMMAND find_host_program)
macro(find_host_program)
find_program(${ARGN})
endmacro()
endif()
macro(check_environment_variables)
foreach(_var ${ARGN})
if(NOT DEFINED ${_var} AND DEFINED ENV{${_var}})
set(__value "$ENV{${_var}}")
file(TO_CMAKE_PATH "${__value}" __value) # Assume that we receive paths
set(${_var} "${__value}")
message(STATUS "Update variable ${_var} from environment: ${${_var}}")
endif()
endforeach()
endmacro()
# Status convinience function.
# adopted from OpenCV
function(output_status msg)
message(STATUS "${msg}")
string(REPLACE "\\" "\\\\" msg "${msg}")
string(REPLACE "\"" "\\\"" msg "${msg}")
endfunction()
# 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> )
# adopted from OpenCV
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 18)
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 ${status_placeholder_length} status_text)
elseif(DEFINED status_then OR DEFINED status_else)
output_status("${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 "${status_then}")
output_status("${status_text} ${status_then}")
else()
string(REPLACE ";" " " status_else "${status_else}")
string(REGEX REPLACE "^[ \t]+" "" status_else "${status_else}")
output_status("${status_text} ${status_else}")
endif()
else()
string(REPLACE ";" " " status_cond "${status_cond}")
string(REGEX REPLACE "^[ \t]+" "" status_cond "${status_cond}")
output_status("${status_text} ${status_cond}")
endif()
else()
output_status("${text}")
endif()
endfunction()