[LLM Runtime] dynamic link the layer to compress binary size (#1059)

Co-authored-by: Ding, Yi <yi1.ding@intel.com>

Author: a32543254

intel_extension_for_transformers/llm/runtime/graph/CMakeLists.txt

@@ -91,6 +91,9 @@ if (NE_GELU_VEC)
 endif()
 option(NE_PYTHON_API             "neural_engine: use python api"                                 OFF)
 option(NE_SIMD_VEC_DOT_F16       "neural_engine: enable vec_dot_fp16 SIMD optimization"          ON)
+
+option(BUILD_SHARED_LIBS        "If build as shared libs"                                        ON)
+
 if (NE_SIMD_VEC_DOT_F16)
     add_compile_definitions(NE_SIMD_VEC_DOT_F16)
 endif()

intel_extension_for_transformers/llm/runtime/graph/cmake/Common.cmake

@@ -36,9 +36,25 @@ function(add_executable_w_warning TARGET)
     warning_check(${TARGET})
 endfunction()
 
-function(add_library_w_warning TARGET)
-    add_library(${TARGET} STATIC ${ARGN})
+function(add_library_w_warning_ TARGET)
+    add_library(${TARGET} ${ARGN})
     set_target_properties(${TARGET} PROPERTIES C_STANDARD 11 C_STANDARD_REQUIRED ON C_EXTENSIONS OFF)
     set_target_properties(${TARGET} PROPERTIES CXX_STANDARD 11 CXX_STANDARD_REQUIRED ON CXX_EXTENSIONS OFF)
     warning_check(${TARGET})
 endfunction()
+
+function(add_library_w_warning TARGET)
+    add_library_w_warning_(${TARGET} STATIC ${ARGN})
+endfunction()
+
+function(add_shared_library_w_warning TARGET)
+    add_library_w_warning_(${TARGET} SHARED ${ARGN})
+endfunction()
+
+function(add_shareable_library_w_warning TARGET)
+    if (BUILD_SHARED_LIBS)
+        add_library_w_warning_(${TARGET} SHARED ${ARGN})
+    else()
+        add_library_w_warning_(${TARGET} STATIC ${ARGN})
+    endif()
+endfunction()

intel_extension_for_transformers/llm/runtime/graph/core/CMakeLists.txt

@@ -16,7 +16,7 @@ find_package(Threads REQUIRED)
 file(GLOB layers_srcs "layers/*.cpp")
 set(sources ne_layers.c ${layers_srcs})
 
-add_library_w_warning(ne_layers "${sources}")
+add_shareable_library_w_warning(ne_layers "${sources}")
 
 target_include_directories(ne_layers PUBLIC .)
 target_compile_features(ne_layers PUBLIC c_std_11) # don't bump