Add unit test suites (#3490)

tests/unit/unit_common.cmake

@@ -0,0 +1,105 @@
+# Copyright (C) 2019 Intel Corporation.  All rights reserved.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+if (NOT DEFINED WAMR_BUILD_PLATFORM)
+  set (WAMR_BUILD_PLATFORM "linux")
+endif ()
+
+set (UNIT_ROOT_DIR ${CMAKE_CURRENT_LIST_DIR})
+
+include_directories(${UNIT_ROOT_DIR})
+
+enable_language (ASM)
+
+# Reset default linker flags
+set (CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "")
+set (CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
+
+# Set WAMR_BUILD_TARGET, currently values supported:
+# "X86_64", "AMD_64", "X86_32", "ARM_32", "MIPS_32", "XTENSA_32"
+if (NOT DEFINED WAMR_BUILD_TARGET)
+  if (CMAKE_SIZEOF_VOID_P EQUAL 8)
+    # Build as X86_64 by default in 64-bit platform
+    set (WAMR_BUILD_TARGET "X86_64")
+  else ()
+    # Build as X86_32 by default in 32-bit platform
+    set (WAMR_BUILD_TARGET "X86_32")
+  endif ()
+endif ()
+
+if (NOT CMAKE_BUILD_TYPE)
+  set (CMAKE_BUILD_TYPE Debug)
+endif ()
+
+if (NOT DEFINED WAMR_BUILD_INTERP)
+  # Enable Interpreter by default
+  set (WAMR_BUILD_INTERP 1)
+endif ()
+
+if (NOT DEFINED WAMR_BUILD_AOT)
+  # Enable AOT by default.
+  set (WAMR_BUILD_AOT 1)
+endif ()
+
+if (NOT DEFINED WAMR_BUILD_JIT)
+  # Disable JIT by default.
+  set (WAMR_BUILD_JIT 0)
+endif ()
+
+if (NOT DEFINED WAMR_BUILD_LIBC_BUILTIN)
+  # Enable libc builtin support by default
+  set (WAMR_BUILD_LIBC_BUILTIN 1)
+endif ()
+
+if (NOT DEFINED WAMR_BUILD_LIBC_WASI)
+  # Enable libc wasi support by default
+  set (WAMR_BUILD_LIBC_WASI 1)
+endif ()
+
+if (NOT DEFINED WAMR_BUILD_MULTI_MODULE)
+  set (WAMR_BUILD_MULTI_MODULE 1)
+endif()
+
+if (NOT DEFINED WAMR_BUILD_APP_FRAMEWORK)
+  set (WAMR_BUILD_APP_FRAMEWORK 1)
+endif ()
+
+if (COLLECT_CODE_COVERAGE EQUAL 1)
+  set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fprofile-arcs -ftest-coverage")
+  set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fprofile-arcs -ftest-coverage")
+endif ()
+
+set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections")
+set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 -ffunction-sections -fdata-sections \
+                                     -Wall -Wno-unused-parameter -Wno-pedantic")
+
+set (WAMR_ROOT_DIR ${CMAKE_CURRENT_LIST_DIR}/../..)
+
+# include the build config template file
+include (${WAMR_ROOT_DIR}/build-scripts/runtime_lib.cmake)
+
+include_directories (${SHARED_DIR}/include
+                     ${IWASM_DIR}/include)
+
+include (${SHARED_DIR}/utils/uncommon/shared_uncommon.cmake)
+
+if (NOT (GOOGLETEST_INCLUDED EQUAL 1))
+# Prevent overriding the parent project's compiler/linker
+# settings on Windows
+set (gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+
+# Fetch Google test
+include (FetchContent)
+FetchContent_Declare (
+    googletest
+    URL https://github.com/google/googletest/archive/03597a01ee50ed33e9dfd640b249b4be3799d395.zip
+)
+FetchContent_MakeAvailable (googletest)
+
+endif()
+
+# Add helper classes
+include_directories(${CMAKE_CURRENT_LIST_DIR}/common)
+
+message ("unit_common.cmake included")
+