Robert Schmidt
05d393a399
Encapsulate the asn1c call from cmake in a cmake function run_asn1c(). As a notable change to the previous manual add_custom_command() invocation, in suppresses the output of asn1c by default [1] and stores it in a log file. In case of asn1c4 error, the output will output on stdout. Use the new run_asn1c() in all occasions for code generation. [1] it is quite verbose, with many warnings that we cannot influence nor suppress, and lists all generated files which is verified by the build system automatically, anyway.
40 lines
1.9 KiB
CMake
40 lines
1.9 KiB
CMake
set(LTE_RRC_VERSION 16 13 0)
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make_version(LTE_RRC_cc ${LTE_RRC_VERSION})
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string(REPLACE ";" "." LTE_RRC_RELEASE "${LTE_RRC_VERSION}")
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if(LTE_RRC_RELEASE VERSION_EQUAL "16.13.0")
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include(ASN.1/lte-rrc-16.13.0.cmake)
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elseif(LTE_RRC_RELEASE VERSION_EQUAL "15.6.0")
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include(ASN.1/lte-rrc-15.6.0.cmake)
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else()
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message(FATAL_ERROR "unknown LTE_RRC_RELEASE ${LTE_RRC_RELEASE}")
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endif()
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run_asn1c(${CMAKE_CURRENT_SOURCE_DIR}/${LTE_RRC_GRAMMAR}
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"LTE_"
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OUTPUT ${lte_rrc_source} ${lte_rrc_headers}
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OPTIONS -pdu=all -fcompound-names -gen-UPER -no-gen-BER -no-gen-JER -no-gen-OER -gen-APER -no-gen-example
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COMMENT "LTE RRC source files"
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)
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# Many other targets include LTE RRC ASN.1 headers, without actually needing
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# the actual library (asn1_lte_rrc). Therefore, below we create the INTERFACE
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# library asn1_lte_rrc_hdrs that only contains these headers. To actually wait
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# that the headers are created in add_custom_command, we use an intermediary
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# add_custom_target which create a target that waits for the headers, and make
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# a dependency from asn1_lte_rrc_hdrs to gen_lte_rrc_hdrs, which is the
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# recommended way, see https://gitlab.kitware.com/cmake/cmake/-/issues/17366.
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# In newer cmake version (e.g., 3.20), it is also possible to have
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# ${lte_rrc_headers} directly in the add_library(asn1_lte_rrc_hdrs) statement,
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# without the need for asn1_lte_rrc_hdrs
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add_custom_target(gen_lte_rrc_hdrs DEPENDS ${lte_rrc_headers})
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add_library(asn1_lte_rrc_hdrs INTERFACE)
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add_dependencies(asn1_lte_rrc_hdrs gen_lte_rrc_hdrs)
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target_include_directories(asn1_lte_rrc_hdrs INTERFACE "${CMAKE_CURRENT_BINARY_DIR}")
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add_library(asn1_lte_rrc ${lte_rrc_source})
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target_link_libraries(asn1_lte_rrc PUBLIC asn1_lte_rrc_hdrs)
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target_compile_options(asn1_lte_rrc
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PRIVATE -DASN_DISABLE_OER_SUPPORT -w
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PUBLIC -DLTE_RRC_VERSION=${LTE_RRC_RELEASE})
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