Generate T headers using cmake

2023-07-10 09:18:14 +02:00
parent 392ef79b28
commit c3f8488456
5 changed files with 55 additions and 34 deletions
@@ -0,0 +1,40 @@
+add_executable(genids genids.c)
+
+add_custom_command(OUTPUT T_IDs.h
+                   COMMAND ./genids ${CMAKE_CURRENT_SOURCE_DIR}/T_messages.txt T_IDs.h
+                   DEPENDS genids
+                   COMMENT "Generating T_IDs.h from T_messages.txt"
+)
+add_custom_command(OUTPUT T_messages.txt.h
+                   COMMAND xxd -i T_messages.txt ${CMAKE_CURRENT_BINARY_DIR}/T_messages.txt.h
+                   COMMENT "Generating T_messages.txt.h from T_messages.txt"
+                   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+add_executable(_check_vcd check_vcd.c tracer/database.c tracer/utils.c T_IDs.h T_messages.txt.h)
+target_include_directories(_check_vcd PRIVATE
+                           .. ../itti ../../../openair2/COMMON tracer
+                           ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR})
+target_compile_options(_check_vcd PRIVATE -Wall)
+target_link_libraries(_check_vcd PRIVATE m pthread)
+
+add_custom_target(check_vcd
+                  COMMAND _check_vcd ${CMAKE_CURRENT_SOURCE_DIR}/T_messages.txt ${CMAKE_CURRENT_SOURCE_DIR}/../LOG/vcd_signal_dumper.h
+                  DEPENDS _check_vcd
+                  COMMENT "Checking validity of VCD files"
+)
+
+# This rule is specifically needed to generate T files before anything else in
+# a project that uses the T.
+# See root CMakeLists.txt, there are some 'add_dependencies' showing that.
+# Basically we create a custom target and we make other targets depend on it.
+# That forces cmake to generate T files before anything else.
+add_custom_target(generate_T DEPENDS T_IDs.h check_vcd)
+
+# even if T is off, we need the headers as many targets depend on it
+# for this, create an INTERFACE (header-only) library T_headers. To ensure the
+# headers have really been created, we make this headers library explicitly
+# depend on the generated headers.
+add_library(T_headers INTERFACE)
+add_dependencies(T_headers T_IDs.h T_messages.txt.h)
+target_include_directories(T_headers INTERFACE ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR})