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cmake: add REQUIRED option ot dt_nodelabel #78406

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merged 1 commit into from
Sep 17, 2024
Merged

cmake: add REQUIRED option ot dt_nodelabel #78406

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21 changes: 18 additions & 3 deletions cmake/modules/extensions.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -3636,9 +3636,11 @@ endfunction()
#
# <var> : Return variable where the node path will be stored
# NODELABEL <label> : Node label
# REQUIRED : Generate a fatal error if the node-label is not found
function(dt_nodelabel var)
set(options "REQUIRED")
set(req_single_args "NODELABEL")
cmake_parse_arguments(DT_LABEL "" "${req_single_args}" "" ${ARGN})
cmake_parse_arguments(DT_LABEL "${options}" "${req_single_args}" "" ${ARGN})

if(${ARGV0} IN_LIST req_single_args)
message(FATAL_ERROR "dt_nodelabel(${ARGV0} ...) missing return parameter.")
Expand All @@ -3654,6 +3656,9 @@ function(dt_nodelabel var)

get_target_property(${var} devicetree_target "DT_NODELABEL|${DT_LABEL_NODELABEL}")
if(${${var}} STREQUAL ${var}-NOTFOUND)
if(DT_LABEL_REQUIRED)
message(FATAL_ERROR "required nodelabel not found: ${DT_LABEL_NODELABEL}")
endif()
set(${var})
endif()

Expand All @@ -3679,9 +3684,11 @@ endfunction()
#
# <var> : Return variable where the node path will be stored
# PROPERTY <prop> : The alias to check
# REQUIRED : Generate a fatal error if the alias is not found
function(dt_alias var)
set(options "REQUIRED")
set(req_single_args "PROPERTY")
cmake_parse_arguments(DT_ALIAS "" "${req_single_args}" "" ${ARGN})
cmake_parse_arguments(DT_ALIAS "${options}" "${req_single_args}" "" ${ARGN})

if(${ARGV0} IN_LIST req_single_args)
message(FATAL_ERROR "dt_alias(${ARGV0} ...) missing return parameter.")
Expand All @@ -3697,6 +3704,9 @@ function(dt_alias var)

get_target_property(${var} devicetree_target "DT_ALIAS|${DT_ALIAS_PROPERTY}")
if(${${var}} STREQUAL ${var}-NOTFOUND)
if(DT_ALIAS_REQUIRED)
message(FATAL_ERROR "required alias not found: ${DT_ALIAS_PROPERTY}")
endif()
set(${var})
endif()

Expand Down Expand Up @@ -3849,10 +3859,12 @@ endfunction()
# PROPERTY <prop>: Property for which a value should be returned, as it
# appears in the DTS source
# INDEX <idx> : Optional index when retrieving a value in an array property
# REQUIRED : Generate a fatal error if the property is not found
function(dt_prop var)
set(options "REQUIRED")
set(req_single_args "PATH;PROPERTY")
set(single_args "INDEX")
cmake_parse_arguments(DT_PROP "" "${req_single_args};${single_args}" "" ${ARGN})
cmake_parse_arguments(DT_PROP "${options}" "${req_single_args};${single_args}" "" ${ARGN})

if(${ARGV0} IN_LIST req_single_args)
message(FATAL_ERROR "dt_prop(${ARGV0} ...) missing return parameter.")
Expand All @@ -3874,6 +3886,9 @@ function(dt_prop var)

if(NOT exists)
set(${var} PARENT_SCOPE)
if(DT_PROP_REQUIRED)
message(FATAL_ERROR "required property not found: ${canonical}/${DT_PROP_PROPERTY}")
endif()
return()
endif()

Expand Down
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