Eable post-MVP feature wasm-c-api (#315)

samples/wasm-c-api/CMakeLists.txt

@@ -0,0 +1,89 @@
+# Copyright (C) 2019 Intel Corporation. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+cmake_minimum_required (VERSION 2.8)
+project(c-api)
+
+if(NOT CMAKE_BUILD_TYPE)
+  set(CMAKE_BUILD_TYPE Release)
+endif()
+################  runtime settings  ################
+set(WAMR_BUILD_PLATFORM "linux")
+
+# Resetdefault linker flags
+set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "")
+set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
+
+# WAMR features switch
+set(WAMR_BUILD_TARGET "X86_64")
+
+if(NOT DEFINED WAMR_BUILD_INTERP)
+  set(WAMR_BUILD_INTERP 1)
+endif()
+
+if(NOT DEFINED WAMR_BUILD_AOT)
+  set(WAMR_BUILD_AOT 0)
+endif()
+
+if(NOT DEFINED WAMR_BUILD_JOT)
+  set(WAMR_BUILD_JIT 0)
+endif()
+
+set(WAMR_BUILD_LIBC_BUILTIN 1)
+set(WAMR_BUILD_LIBC_WASI 0)
+
+if(NOT DEFINED WAMR_BUILD_FAST_INTERP)
+  set(WAMR_BUILD_FAST_INTERP 0)
+endif()
+
+# compiling and linking flags
+set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections -pie -fPIE")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wformat -Wformat-security -mindirect-branch-register")
+
+# build out vmlib
+set(WAMR_ROOT_DIR ${CMAKE_CURRENT_LIST_DIR}/../..)
+set(WAMRC ${WAMR_ROOT_DIR}/wamr-compiler/build/wamrc)
+include (${WAMR_ROOT_DIR}/build-scripts/runtime_lib.cmake)
+
+add_library(vmlib STATIC ${WAMR_RUNTIME_LIB_SOURCE})
+################################################
+
+################  application related  ################
+file(GLOB SOURCES src/*.c)
+add_library(c-api ${SOURCES})
+target_include_directories(c-api
+  PRIVATE ${C_API_PATH}/include
+)
+target_link_libraries(c-api PRIVATE vmlib -lpthread -lm)
+
+foreach(SRC ${SOURCES})
+  get_filename_component(APPNAME ${SRC} NAME_WE)
+
+  # build executable for each .c
+  add_executable(${APPNAME} ${SRC})
+  message("create executable about ${APPNAME}")
+  target_link_libraries(${APPNAME} c-api)
+
+  # copy .wasm
+  add_custom_command(TARGET ${APPNAME} POST_BUILD
+      COMMAND ${CMAKE_COMMAND} -E copy
+                  ${CMAKE_CURRENT_SOURCE_DIR}/src/${APPNAME}.wasm
+                  ${PROJECT_BINARY_DIR}/
+      BYPRODUCTS ${APPNAME}.wasm
+      COMMENT "Copy ${SRC} to the output directory"
+  )
+
+  # generate .aot file
+  if(${WAMR_BUILD_AOT} EQUAL 1)
+    if(EXISTS ${WAMRC})
+      add_custom_command(TARGET ${APPNAME} POST_BUILD
+          COMMAND ${WAMRC} -o ${APPNAME}.aot
+              ${CMAKE_CURRENT_SOURCE_DIR}/src/${APPNAME}.wasm
+          BYPRODUCTS ${APPNAME}.aot
+          COMMENT "generate a aot file ${APPNAME}.aot"
+      )
+    endif()
+  endif()
+
+endforeach(SRC ${SOURCES})
+################################################