do fail interactions inside wasm module + unify host modules + fix cored module

wasm.just

@@ -23,6 +23,7 @@ CROSS_CFLAGS_NOWASM := "\
 -ffunction-sections \
 -fdata-sections \
 -ffreestanding \
+-fpermissive \
 -ggdb3 \
 "
 CROSS_LDFLAGS_NOWASM := "\
@@ -39,6 +40,7 @@ LINUX_CFLAGS_NOWASM := "\
 -m32 \
 -ffunction-sections \
 -fdata-sections \
+-fpermissive \
 -ggdb3 \
 "
 LINUX_LDFLAGS_NOWASM := "\
@@ -57,7 +59,7 @@ XXD := "xxd"
 [doc("C -> WASM: Compile a C function to a WASM module using WASI-SDK")]
 [group("1: build module")]
 build-wasm-module module:
-    {{ WASI_CC }} {{ WASI_CFLAGS }} targets/wasm-module/{{ module }}.c -o {{ BUILD_DIR }}-{{ module }}/wasm_module.wasm
+    {{ WASI_CC }} {{ WASI_CFLAGS }} targets/wasm-module/{{ module }}.cpp -o {{ BUILD_DIR }}-{{ module }}/wasm_module.wasm
 
 [doc("WASM -> AOT: Compile a WASM module ahead-of-time using WAMR")]
 [group("1: build module")]
@@ -77,13 +79,13 @@ build-wasm-interp-array module:
 [private]
 build-c-module-fail module:
     {{ CROSS_CC }} {{ CROSS_CFLAGS_NOWASM }} \
-      -c targets/wasm-module/{{ module }}.c \
+      -c targets/wasm-module/{{ module }}.cpp \
       -o {{ BUILD_DIR }}-{{ module }}/c_module.o
 
 [private]
 build-c-module-linux module:
     {{ LINUX_CC }} {{ LINUX_CFLAGS_NOWASM }} \
-      -c targets/wasm-module/{{ module }}.c \
+      -c targets/wasm-module/{{ module }}.cpp \
       -o {{ BUILD_DIR }}-{{ module }}/c_module.o
 
 [doc("C -> Object: Compile a C function (no WASM)")]