fix icu4c compile

cmake/external_libs/icu4c.cmake

@@ -4,16 +4,25 @@ set(LIB_ICU_I18N icui18n)
 if (CMAKE_SYSTEM_NAME MATCHES "Windows")
     message("icu4c thirdparty do not support windows currently.")
 else()
+    set(JSON_FILE "{ \n\
+  \"strategy\": \"additive\",\n\
+  \"featureFilters\": {\n\
+    \"normalization\": \"include\"\n\
+  }\n\
+}\
+    ")
+    file(WRITE ${CMAKE_BINARY_DIR}/icu4c_filter.json ${JSON_FILE})
     mindspore_add_pkg(icu4c
             VER 67.1
             LIBS ${LIB_ICU_COMMON} ${LIB_ICU_DATA} ${LIB_ICU_I18N}
             URL https://github.com/unicode-org/icu/archive/release-67-1.tar.gz
             MD5 0c2662a2b0bc80b0eb56495205247c8f
-            CONFIGURE_COMMAND ${CMAKE_SOURCE_DIR}/scripts/build_icu4c.sh
+            PATCHES ${CMAKE_SOURCE_DIR}/third_party/patch/icu4c/icu4c.patch01
+            CONFIGURE_COMMAND ./icu4c/source/runConfigureICU Linux --enable-rpath --disable-tests --disable-samples --disable-icuio --disable-extras ICU_DATA_FILTER_FILE=${CMAKE_BINARY_DIR}/icu4c_filter.json
             )
     include_directories(${icu4c_INC})
     add_library(mindspore::icuuc ALIAS icu4c::${LIB_ICU_COMMON})
     add_library(mindspore::icudata ALIAS icu4c::${LIB_ICU_DATA})
     add_library(mindspore::icui18n ALIAS icu4c::${LIB_ICU_I18N})
     add_definitions(-D ENABLE_ICU4C)
-endif()
+endif()

scripts/build_icu4c.sh

@@ -1,8 +0,0 @@
-#!/bin/bash
-echo '{
-  "strategy": "additive",
-  "featureFilters": {
-    "normalization": "include"
-  }
-}' > filter.json
-CFLAGS="-fstack-protector -Wl,-z,now -D_FORTIFY_SOURCE=2 -O2" ./icu4c/source/runConfigureICU Linux --enable-rpath --disable-tests --disable-samples --disable-icuio --disable-extras ICU_DATA_FILTER_FILE=filter.json "$@"

third_party/patch/icu4c/icu4c.patch01

@@ -0,0 +1,11 @@
+--- ./icu4c/source/runConfigureICU       2020-09-16 10:29:53.446938469 +0800
++++ ./icu4c/source/runConfigureICU_cflags      2020-04-23 01:49:10.000000000 +0800
+@@ -247,7 +247,7 @@ case $platform in
+     Linux*)
+         THE_OS="Linux"
+         THE_COMP="the clang or else GNU C++"
+-        RELEASE_CFLAGS='-O3'
++        RELEASE_CFLAGS='-fstack-protector -Wl,-z,now -D_FORTIFY_SOURCE=2 -O3'
+         RELEASE_CXXFLAGS='-O3'
+         DEBUG_CFLAGS='-g'
+         DEBUG_CXXFLAGS='-g'