Move --bind to targets which need it.

Author: jianjunz

talk/owt/sdk/wasm/gn/BUILD.gn

@@ -65,23 +65,23 @@ template("gcc_like_toolchain") {
 
     tool("cc") {
       depfile = "{{output}}.d"
-      command = "$cc_wrapper $cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} -DEMSCRIPTEN_HAS_UNBOUND_TYPE_NAMES=1 --bind -fno-stack-protector ${external_cflags} -c {{source}} -o {{output}}"
+      command = "$cc_wrapper $cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} -DEMSCRIPTEN_HAS_UNBOUND_TYPE_NAMES=1 -fno-stack-protector ${external_cflags} -c {{source}} -o {{output}}"
       depsformat = "gcc"
       outputs = [ "$object_subdir/{{source_name_part}}.o" ]
       description = "compile {{source}}"
     }
 
     tool("cxx") {
       depfile = "{{output}}.d"
-      command = "$cc_wrapper $cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}} -DEMSCRIPTEN_HAS_UNBOUND_TYPE_NAMES=1 --bind -fno-stack-protector ${external_cflags} ${external_cxxflags} -c {{source}} -o {{output}}"
+      command = "$cc_wrapper $cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}} -DEMSCRIPTEN_HAS_UNBOUND_TYPE_NAMES=1 -fno-stack-protector ${external_cflags} ${external_cxxflags} -c {{source}} -o {{output}}"
       depsformat = "gcc"
       outputs = [ "$object_subdir/{{source_name_part}}.o" ]
       description = "compile {{source}}"
     }
 
     tool("asm") {
       depfile = "{{output}}.d"
-      command = "$cc_wrapper $cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{asmflags}} -DEMSCRIPTEN_HAS_UNBOUND_TYPE_NAMES=1 --bind -fno-stack-protector -c {{source}} -o {{output}}"
+      command = "$cc_wrapper $cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{asmflags}} -DEMSCRIPTEN_HAS_UNBOUND_TYPE_NAMES=1 -fno-stack-protector -c {{source}} -o {{output}}"
       depsformat = "gcc"
       outputs = [ "$object_subdir/{{source_name_part}}.o" ]
       description = "assemble {{source}}"
@@ -175,6 +175,6 @@ gcc_like_toolchain("wasm") {
   os = host_os
   ar = "$emsdk_dir/emscripten/emar --em-config $em_config"
   cc = "$emsdk_dir/emscripten/emcc --em-config $em_config -pthread"
-  cxx = "$emsdk_dir/emscripten/em++ --em-config $em_config --bind -pthread"
+  cxx = "$emsdk_dir/emscripten/em++ --em-config $em_config -pthread"
   strip = ""
 }

talk/owt/sdk/wasm/gn/wasm.gni

@@ -72,23 +72,23 @@ template("wasm_lib") {
       "-s",
       "EXPORT_ES6=1",
 
+      "--bind",
+
       #"-fno-stack-protector",
 
       # This is to prevent that two different wasm modules end up generating
       # JS that overrides the same global variable (var Module = ...)
       # "-s",
       # "EXPORT_NAME=${target_name}",
 
-      "-lworkerfs.js",  # For FS.filesystems.WORKERFS
-
-      "--bind",
+      # "-lworkerfs.js",  # For FS.filesystems.WORKERFS
 
       "-s",
-      "PTHREAD_POOL_SIZE=5",
+      "PTHREAD_POOL_SIZE=8",
+      "-s",
+      "ALLOW_BLOCKING_ON_MAIN_THREAD=0",
 
       "-pthread",
-      
-      "--source-map-base",
     ]
     if (is_debug) {
       _target_ldflags += [
@@ -98,8 +98,10 @@ template("wasm_lib") {
         # "SAFE_HEAP=1",
         # "-s",
         # "STACK_OVERFLOW_CHECK=1",
-        # "-gsource-map",
-        # "-O0",
+        "-O0",
+        "-gsource-map",
+        "--source-map-base",
+        "http://jianjunz-nuc-ubuntu.sh.intel.com:9900/out/wasm/",
       ]
     } else {
       _target_ldflags += [