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CMake: allow required modules in calamares_add_plugin

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- Add a REQUIRES keyword
 - Write out values to the descriptor
 - Add some documentation for the function as a whole
This commit is contained in:
Adriaan de Groot 2018-08-07 05:57:26 -04:00
parent c19ce26e5f
commit 4652df0643
1 changed files with 33 additions and 8 deletions
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41
CMakeModules/CalamaresAddPlugin.cmake
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@ -21,8 +21,8 @@
# Convenience function for creating a C++ (qtplugin) module for Calamares.
# This function provides cmake-time feedback about the plugin, adds
# targets for compilation and boilerplate information, and creates
# a module.desc with standard values if none is provided (which only
# happens for very unusual plugins).
# a module.desc with standard values (if the module.desc file exists,
# that one is used instead, which happens only for unusual plugins).
#
# Usage:
#
@ -34,16 +34,35 @@
# UI ui-file...
# LINK_LIBRARIES lib...
# LINK_PRIVATE_LIBRARIES lib...
# COMPILE_DEFINITIONS def...
# RESOURCES resource-file
# [COMPILE_DEFINITIONS def...]
# [RESOURCES resource-file]
# [REQUIRES module-name...]
# [NO_INSTALL]
# [SHARED_LIB]
# [EMERGENCY]
# )
#
# The COMPILE_DEFINITIONS are set on the resulting module with a suitable
# flag (i.e. `-D`) so only state the name (optionally, also the value)
# without a `-D` prefixed to it.
# Function parameters:
# - COMPILE_DEFINITIONS
# Definitions are set on the resulting module with a suitable
# flag (i.e. `-D`) so only state the name (optionally, also the value)
# without a `-D` prefixed to it.
# - RESOURCES
# One (single!) filename for the RCC file for the plugin.
# - REQUIRES
# One or more names of modules which are added to the *requiredModules*
# key in the descriptor. See *Module Requirements* in the module
# documentation.
# - NO_INSTALL
# If this is set, the module is not installed by default; use this to
# build testing modules or unit-testing modules.
# - SHARED_LIB
# In unusual circumstances, this function is used to add a library
# rather than a normal Calamares module / plugin.
# - EMERGENCY
# If this is set, the module is marked as an *emergency* module in the
# descriptor. See *Emergency Modules* in the module documentation.
#
include( CMakeParseArguments )
include( CalamaresAddLibrary )
@ -54,7 +73,7 @@ function( calamares_add_plugin )
set( NAME ${ARGV0} )
set( options NO_INSTALL SHARED_LIB EMERGENCY )
set( oneValueArgs NAME TYPE EXPORT_MACRO RESOURCES )
set( multiValueArgs SOURCES UI LINK_LIBRARIES LINK_PRIVATE_LIBRARIES COMPILE_DEFINITIONS )
set( multiValueArgs SOURCES UI LINK_LIBRARIES LINK_PRIVATE_LIBRARIES COMPILE_DEFINITIONS REQUIRES )
cmake_parse_arguments( PLUGIN "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN} )
set( PLUGIN_NAME ${NAME} )
set( PLUGIN_DESTINATION ${CMAKE_INSTALL_LIBDIR}/calamares/modules/${PLUGIN_NAME} )
@ -142,6 +161,12 @@ function( calamares_add_plugin )
set( _type ${PLUGIN_TYPE} )
file( WRITE ${_file} "# AUTO-GENERATED metadata file\n# Syntax is YAML 1.2\n---\n" )
file( APPEND ${_file} "type: \"${_type}\"\nname: \"${PLUGIN_NAME}\"\ninterface: \"qtplugin\"\nload: \"lib${target}.so\"\n" )
if ( PLUGIN_REQUIRES )
file( APPEND ${_file} "requiredModules:\n" )
foreach( _r ${PLUGIN_REQUIRES} )
file( APPEND ${_file} " - ${_r}\n" )
endforeach()
endif()
if ( PLUGIN_EMERGENCY )
file( APPEND ${_file} "emergency: true\n" )
endif()