Enhance uvwasi build process and fix wamrc windows build error (#1046)

And update related document

core/iwasm/libraries/libc-uvwasi/libc_uvwasi.cmake

@@ -2,21 +2,22 @@
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
 set (LIBC_WASI_DIR ${CMAKE_CURRENT_LIST_DIR})
-set (UVWASI_DIR ${CMAKE_CURRENT_LIST_DIR}/../../../deps/uvwasi)
+
 set (LIBUV_VERSION v1.42.0)
 
 add_definitions (-DWASM_ENABLE_LIBC_WASI=1 -DWASM_ENABLE_UVWASI=1)
 
 include(FetchContent)
-## https://libuv.org
+
+## libuv
 FetchContent_Declare(
     libuv
     GIT_REPOSITORY https://github.com/libuv/libuv.git
-    GIT_TAG ${LIBUV_VERSION})
-
+    GIT_TAG ${LIBUV_VERSION}
+)
 FetchContent_GetProperties(libuv)
-if(NOT libuv_POPULATED)
-    message ("-- Fetching libuv ..")
+if (NOT libuv_POPULATED)
+    message("-- Fetching libuv ..")
     FetchContent_Populate(libuv)
     include_directories("${libuv_SOURCE_DIR}/include")
     add_subdirectory(${libuv_SOURCE_DIR} ${libuv_BINARY_DIR} EXCLUDE_FROM_ALL)
@@ -24,8 +25,20 @@ if(NOT libuv_POPULATED)
     set_target_properties(uv_a PROPERTIES POSITION_INDEPENDENT_CODE 1)
 endif()
 
-include_directories(${UVWASI_DIR}/include)
+## uvwasi
+FetchContent_Declare(
+    uvwasi
+    GIT_REPOSITORY https://github.com/nodejs/uvwasi.git
+    GIT_TAG main
+)
+FetchContent_GetProperties(uvwasi)
+if (NOT uvwasi_POPULATED)
+    message("-- Fetching uvwasi ..")
+    FetchContent_Populate(uvwasi)
+    include_directories("${uvwasi_SOURCE_DIR}/include")
+    add_subdirectory(${uvwasi_SOURCE_DIR} ${uvwasi_BINARY_DIR} EXCLUDE_FROM_ALL)
+endif()
 
-file (GLOB_RECURSE source_all ${LIBC_WASI_DIR}/*.c ${UVWASI_DIR}/src/*.c)
+file (GLOB_RECURSE source_all ${LIBC_WASI_DIR}/*.c ${uvwasi_SOURCE_DIR}/src/*.c)
 
 set (LIBC_WASI_SOURCE ${source_all})

doc/build_wamr.md

@@ -51,12 +51,7 @@ cmake -DWAMR_BUILD_PLATFORM=linux -DWAMR_BUILD_TARGET=ARM
 
 - **WAMR_BUILD_LIBC_UVWASI**=1/0 (Experiment), build the [WASI](https://github.com/WebAssembly/WASI) libc subset for WASM app based on [uvwasi](https://github.com/nodejs/uvwasi) implementation, default to disable if not set
 
-> Note: for platform which doesn't support **WAMR_BUILD_LIBC_WASI**, e.g. Windows, developer can try using **WAMR_BUILD_LIBC_UVWASI**. And the uvwasi source code must be cloned under core/deps:
->
-> ```bash
-> cd <WAMR-ROOT>/core/deps
-> git clone https://github.com/nodejs/uvwasi.git
-> ```
+> Note: for platform which doesn't support **WAMR_BUILD_LIBC_WASI**, e.g. Windows, developer can try using **WAMR_BUILD_LIBC_UVWASI**.
 
 #### **Enable Multi-Module feature**
 
@@ -297,9 +292,6 @@ Make sure `MSVC` and `cmake` are installed and available in the command line env
 
 Then build the source codes:
 ``` Bash
-cd core/deps/
-git clone https://github.com/nodejs/uvwasi.git
-
 cd product-mini/platforms/windows/
 mkdir build
 cd build
@@ -335,8 +327,8 @@ pacman -R cmake
 pacman -S mingw-w64-x86_64-cmake
 ```
 
-Then follow the build instructions for Windows above, minus cloning uvwasi and
-adding the following arguments for cmake:
+Then follow the build instructions for Windows above, and add the following
+arguments for cmake:
 
 ```Bash
 cmake .. -G"Unix Makefiles" \

product-mini/platforms/windows/CMakeLists.txt

@@ -103,7 +103,8 @@ set (WAMR_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../../..)
 include (${WAMR_ROOT_DIR}/build-scripts/runtime_lib.cmake)
 add_library(vmlib ${WAMR_RUNTIME_LIB_SOURCE})
 
-#set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DWIN32_LEAN_AND_MEAN -D_WINSOCK_DEPRECATED_NO_WARNINGS")
+#set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DWIN32_LEAN_AND_MEAN")
+set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_WINSOCK_DEPRECATED_NO_WARNINGS")
 if (NOT MINGW)
   set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /SAFESEH:NO")
   set (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /SAFESEH:NO")

wamr-compiler/CMakeLists.txt

@@ -181,7 +181,13 @@ include (${SHARED_DIR}/utils/shared_utils.cmake)
 include (${SHARED_DIR}/utils/uncommon/shared_uncommon.cmake)
 include (${IWASM_DIR}/libraries/thread-mgr/thread_mgr.cmake)
 include (${IWASM_DIR}/libraries/libc-builtin/libc_builtin.cmake)
-include (${IWASM_DIR}/libraries/libc-wasi/libc_wasi.cmake)
+if (NOT MINGW)
+  if (NOT MSVC)
+    include (${IWASM_DIR}/libraries/libc-wasi/libc_wasi.cmake)
+  else()
+    include (${IWASM_DIR}/libraries/libc-uvwasi/libc_uvwasi.cmake)
+  endif()
+endif()
 include (${IWASM_DIR}/libraries/lib-pthread/lib_pthread.cmake)
 include (${IWASM_DIR}/common/iwasm_common.cmake)
 include (${IWASM_DIR}/interpreter/iwasm_interp.cmake)
@@ -253,10 +259,13 @@ add_executable (wamrc main.c)
 
 if (NOT MSVC)
   target_link_libraries (wamrc aotclib vmlib LLVMDemangle ${LLVM_AVAILABLE_LIBS} ${lib_ubsan}
-                         -lm -ldl -lpthread ${lib_lldb})
+                         -lm -lpthread ${lib_lldb} ${UV_A_LIBS})
   if (MINGW)
       target_link_libraries (wamrc -lssp -lWs2_32)
+  else()
+      target_link_libraries (wamrc -ldl)
   endif()
 else()
-  target_link_libraries (wamrc aotclib vmlib  ${lib_lldb} ${LLVM_AVAILABLE_LIBS} ${lib_ubsan})
+  target_link_libraries (wamrc aotclib vmlib  ${lib_lldb} ${LLVM_AVAILABLE_LIBS} ${lib_ubsan}
+                         ${UV_A_LIBS})
 endif()