Bump emscripten to 2.0.6. (#43800)

* Bump emscripten to 2.0.6.

* Define HAVE_SYS_RANDOM_H on wasm, its not detected correctly.

Author: vargaz

eng/pipelines/common/platform-matrix.yml

@@ -193,7 +193,7 @@ jobs:
       targetRid: browser-wasm
       platform: Browser_wasm
       container:
-        image: ubuntu-18.04-webassembly-20200827125937-9740252
+        image: ubuntu-18.04-webassembly-20201024150726-a0359ae
         registry: mcr
       jobParameters:
         runtimeFlavor: ${{ parameters.runtimeFlavor }}

src/mono/CMakeLists.txt

@@ -263,6 +263,8 @@ elseif(CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
   set(DISABLE_EXECUTABLES 1)
   # FIXME: Is there a cmake option for this ?
   set(DISABLE_SHARED_LIBS 1)
+  # sys/random.h exists, but its not found
+  set(HAVE_SYS_RANDOM_H 1)
 else()
   message(FATAL_ERROR "Host '${CMAKE_SYSTEM_NAME}' not supported.")
 endif()

src/mono/wasm/Makefile

@@ -27,7 +27,7 @@ all: build-native icu-data
 #  If EMSDK_PATH is not set by the caller, download and setup a local emsdk install.
 #
 
-EMSCRIPTEN_VERSION=2.0.1
+EMSCRIPTEN_VERSION=2.0.6
 EMSDK_LOCAL_PATH=emsdk
 EMCC=source $(EMSDK_PATH)/emsdk_env.sh && emcc