under test, not sure no errors

upstream_ref/xllm/cmake/proto_library.cmake

@@ -0,0 +1,69 @@
+include(CMakeParseArguments)
+include(CMakePrintHelpers)
+
+# inspired by https://github.com/abseil/abseil-cpp
+# proto_library()
+# CMake function to imitate Bazel's proto_library rule.
+#
+# Parameters:
+# NAME: name of target
+# SRCS: List of proto source files for the library
+# DEPS: List of other libraries to be linked in to the binary targets
+# COPTS: List of private compile options
+# DEFINES: List of public defines
+# LINKOPTS: List of link options
+#
+# cc_library(
+#   NAME
+#     awesome
+#   HDRS
+#     "a.h"
+#   SRCS
+#     "a.cc"
+# )
+# proto_library(
+#   NAME
+#     proto_lib
+#   SRCS
+#     "b.proto"
+#   DEPS
+#     :awesome
+# )
+#
+function(proto_library)
+  # parse arguments and set variables
+  cmake_parse_arguments(
+    PROTO_LIB # prefix
+    "" # options
+    "NAME" # one value args
+    "SRCS;COPTS;DEFINES;LINKOPTS;DEPS" # multi value args
+    ${ARGN}
+  )
+  # generate cpp and hpp files from proto files using protoc compiler
+  protobuf_generate_cpp(PROTO_SRCS PROTO_HDRS ${PROTO_LIB_SRCS})
+
+  add_library(${PROTO_LIB_NAME} STATIC)
+  target_sources(${PROTO_LIB_NAME}
+    PRIVATE ${PROTO_SRCS} ${PROTO_HDRS}
+  )
+
+  target_link_libraries(${PROTO_LIB_NAME}
+    PUBLIC protobuf::libprotobuf
+  )
+  target_include_directories(${PROTO_LIB_NAME}
+    PUBLIC 
+      ${Protobuf_INCLUDE_DIRS}
+      ${CMAKE_CURRENT_BINARY_DIR}
+  )
+  target_compile_options(${PROTO_LIB_NAME} 
+    PRIVATE 
+      ${PROTO_LIB_COPTS}
+      -Wno-unused-parameter
+  )
+  target_compile_definitions(${PROTO_LIB_NAME} 
+    PUBLIC 
+      ${PROTO_LIB_DEFINES}
+  )
+
+  add_library(proto::${PROTO_LIB_NAME} ALIAS ${PROTO_LIB_NAME})
+endfunction()