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controller/Lib/CMake/modules.cmake

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CMake

###| CMAKE Kiibohd Controller Source Configurator |###
#
# Written by Jacob Alexander in 2011-2014 for the Kiibohd Controller
#
# Released into the Public Domain
#
###
###
# CMake Custom Modules Path
#
set ( CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/Lib/CMake/" )
###
# Module Overrides (Used in the buildall.bash script)
#
if ( ( DEFINED ScanModuleOverride ) AND ( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/Scan/${ScanModuleOverride} ) )
set( ScanModule ${ScanModuleOverride} )
endif ()
###
# Path Setup
#
set( ScanModulePath "Scan/${ScanModule}" )
set( MacroModulePath "Macro/${MacroModule}" )
set( OutputModulePath "Output/${OutputModule}" )
set( DebugModulePath "Debug/${DebugModule}" )
#| Top-level directory adjustment
set( HEAD_DIR "${CMAKE_CURRENT_SOURCE_DIR}" )
###
# Module Check Function
#
#| Usage:
#| PathPrepend( ModulePath <ListOfFamiliesSupported> )
#| Uses the ${COMPILER_FAMILY} variable
function( ModuleCompatibility ModulePath )
foreach( mod_var ${ARGN} )
if ( ${mod_var} STREQUAL ${COMPILER_FAMILY} )
# Module found, no need to scan further
return()
endif ()
endforeach()
message( FATAL_ERROR "${ModulePath} does not support the ${COMPILER_FAMILY} family..." )
endfunction()
###
# Module Configuration
#
#| Additional options, usually define settings
add_definitions()
#| Include path for each of the modules
add_definitions(
-I${HEAD_DIR}/${ScanModulePath}
-I${HEAD_DIR}/${MacroModulePath}
-I${HEAD_DIR}/${OutputModulePath}
-I${HEAD_DIR}/${DebugModulePath}
)
###
# Module Processing
#
#| Go through lists of sources and append paths
#| Usage:
#| PathPrepend( OutputListOfSources <Prepend Path> <InputListOfSources> )
macro( PathPrepend Output SourcesPath )
unset( tmpSource )
# Loop through items
foreach( item ${ARGN} )
# Set the path
set( tmpSource ${tmpSource} "${SourcesPath}/${item}" )
endforeach()
# Finalize by writing the new list back over the old one
set( ${Output} ${tmpSource} )
endmacro()
#| Scan Module
include ( "${ScanModulePath}/setup.cmake" )
PathPrepend( SCAN_SRCS ${ScanModulePath} ${SCAN_SRCS} )
#| Macro Module
include ( "${MacroModulePath}/setup.cmake" )
PathPrepend( MACRO_SRCS ${MacroModulePath} ${MACRO_SRCS} )
#| Output Module
include ( "${OutputModulePath}/setup.cmake" )
PathPrepend( OUTPUT_SRCS ${OutputModulePath} ${OUTPUT_SRCS} )
#| Debugging Module
include ( "${DebugModulePath}/setup.cmake" )
PathPrepend( DEBUG_SRCS ${DebugModulePath} ${DEBUG_SRCS} )
#| Print list of all module sources
message( STATUS "Detected Scan Module Source Files:" )
message( "${SCAN_SRCS}" )
message( STATUS "Detected Macro Module Source Files:" )
message( "${MACRO_SRCS}" )
message( STATUS "Detected Output Module Source Files:" )
message( "${OUTPUT_SRCS}" )
message( STATUS "Detected Debug Module Source Files:" )
message( "${DEBUG_SRCS}" )
###
# CMake Module Checking
#
find_package( Git REQUIRED )
find_package( Ctags ) # Optional
###
# Generate USB Defines
#
#| Manufacturer name
set( MANUFACTURER "Kiibohd" )
#| Serial Number
#| Attempt to call Git to get the branch, last commit date, and whether code modified since last commit
#| Modified
#| Takes a bit of work to extract the "M " using CMake, and not using it if there are no modifications
execute_process( COMMAND ${GIT_EXECUTABLE} status -s -uno --porcelain
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
OUTPUT_VARIABLE Git_Modified_INFO
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
string( LENGTH "${Git_Modified_INFO}" Git_Modified_LENGTH )
set( Git_Modified_Status "Clean" )
if ( ${Git_Modified_LENGTH} GREATER 2 )
string( SUBSTRING "${Git_Modified_INFO}" 1 2 Git_Modified_Flag_INFO )
set( Git_Modified_Status "Dirty" )
endif ()
#| Branch
execute_process( COMMAND ${GIT_EXECUTABLE} rev-parse --abbrev-ref HEAD
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
OUTPUT_VARIABLE Git_Branch_INFO
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
#| Date
execute_process( COMMAND ${GIT_EXECUTABLE} show -s --format=%ci
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
OUTPUT_VARIABLE Git_Date_INFO
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
#| Commit Author and Email
execute_process( COMMAND ${GIT_EXECUTABLE} show -s --format="%cn <%ce>"
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
OUTPUT_VARIABLE Git_Commit_Author
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
#| Commit Revision
execute_process( COMMAND ${GIT_EXECUTABLE} show -s --format=%H
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
OUTPUT_VARIABLE Git_Commit_Revision
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
#| Origin URL
execute_process( COMMAND ${GIT_EXECUTABLE} config --get remote.origin.url
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
OUTPUT_VARIABLE Git_Origin_URL
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
#| Build Date
execute_process( COMMAND "date" "+%Y-%m-%d %T %z"
OUTPUT_VARIABLE Build_Date
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
#| Last Commit Date
set( GitLastCommitDate "${Git_Modified_Status} ${Git_Branch_INFO} - ${Git_Date_INFO}" )
#| Uses CMake variables to include as defines
#| Primarily for USB configuration
configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/Lib/_buildvars.h buildvars.h )
###
# Source Defines
#
set( SRCS
${MAIN_SRCS}
${COMPILER_SRCS}
${SCAN_SRCS}
${MACRO_SRCS}
${OUTPUT_SRCS}
${DEBUG_SRCS}
)
#| Directories to include by default
include_directories( ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR} )
###
# Module Compatibility Check
#
#| Check for whether the set modules are compatible with the specified compiler family
ModuleCompatibility( ${ScanModulePath} ${ScanModuleCompatibility} )
ModuleCompatibility( ${MacroModulePath} ${MacroModuleCompatibility} )
ModuleCompatibility( ${OutputModulePath} ${OutputModuleCompatibility} )
ModuleCompatibility( ${DebugModulePath} ${DebugModuleCompatibility} )
###
# ctag Generation
#
if( CTAGS_EXECUTABLE )
# Populate list of directories for ctags to parse
# NOTE: Doesn't support dots in the folder names...
foreach( filename ${SRCS} )
string( REGEX REPLACE "/[a-zA-Z0-9_-]+.c$" "" pathglob ${filename} )
file( GLOB filenames "${pathglob}/*.c" )
set( CTAG_PATHS ${CTAG_PATHS} ${filenames} )
file( GLOB filenames "${pathglob}/*.h" )
set( CTAG_PATHS ${CTAG_PATHS} ${filenames} )
endforeach()
# Generate the ctags
execute_process( COMMAND ctags ${CTAG_PATHS}
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
)
endif()