Generate and build LPP ASN.1 during build time

openair3/CMakeLists.txt

@@ -1,3 +1,4 @@
+add_subdirectory(LPP)
 add_subdirectory(M3AP)
 add_subdirectory(S1AP)
 add_subdirectory(NGAP)

openair3/LPP/CMakeLists.txt

@@ -0,0 +1 @@
+add_subdirectory(MESSAGES)

openair3/LPP/MESSAGES/CMakeLists.txt

@@ -0,0 +1,20 @@
+#set(LPP_VERSION 16 78 0)
+#make_version(LPP_cc ${LPP_VERSION})
+#add_definitions(-DLPP_VERSION=${LPP_cc})
+#string(REPLACE ";" "." LPP_RELEASE "${LPP_VERSION}")
+
+#if(LPP_RELEASE VERSION_EQUAL "16.78.0")
+include(ASN1/37355-g60.cmake)
+#else()
+#  message(FATAL_ERROR "unknown LPP_RELEASE ${LPP_RELEASE}")
+#endif()
+
+add_custom_command(OUTPUT ${lpp_source} ${lpp_headers}
+  COMMAND ASN1C_PREFIX=LPP_ asn1c -gen-PER -no-gen-OER -fcompound-names -no-gen-example -findirect-choice -fno-include-deps -D ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/${LPP_GRAMMAR}
+  DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${LPP_GRAMMAR}
+  COMMENT "Generating LPP source files from ${CMAKE_CURRENT_SOURCE_DIR}/${LPP_GRAMMAR}"
+)
+
+add_library(asn1_lpp ${lpp_source})
+target_include_directories(asn1_lpp PUBLIC "${CMAKE_CURRENT_BINARY_DIR}")
+target_compile_options(asn1_lpp PRIVATE -DASN_DISABLE_OER_SUPPORT -w)