feat: use strip instead of objcopy as toolchain's strip

this makes gcc and clang toolchain's strip have the same
usages.
Signed-off-by: NCaoruihong <crh.cao@huawei.com>
Change-Id: I5fe640d3383223147694aa90776b586bd99e2f07

config/BUILDCONFIG.gn

@@ -79,7 +79,7 @@ if (board_toolchain != "" && use_board_toolchain) {
     compile_prefix += "llvm-"
     ohos_current_ar_command = "${compile_prefix}ar$toolchain_cmd_suffix"
     ohos_current_ld_command = ohos_current_cc_command
-    ohos_current_strip_command = "${compile_prefix}objcopy$toolchain_cmd_suffix --strip-all"
+    ohos_current_strip_command = "${compile_prefix}strip$toolchain_cmd_suffix --strip-unneeded"
     default_target_configs = [ "//build/lite/config:clang_opt" ]
   }
   # Overwrite ld cmd by customed cmd.
@@ -96,7 +96,7 @@ if (board_toolchain != "" && use_board_toolchain) {
   compile_prefix += "llvm-"
   ohos_current_ar_command = "${compile_prefix}ar$toolchain_cmd_suffix"
   ohos_current_ld_command = ohos_current_cxx_command
-  ohos_current_strip_command = "${compile_prefix}objcopy$toolchain_cmd_suffix --strip-all"
+  ohos_current_strip_command = "${compile_prefix}strip$toolchain_cmd_suffix --strip-unneeded"
   set_default_toolchain("//build/lite/toolchain:linux_x86_64_ohos_clang")
   default_target_configs = [ "//build/lite/config:ohos_clang" ]
   default_target_configs += [ "//build/lite/config:clang_opt" ]

toolchain/clang.gni

@@ -73,7 +73,7 @@ template("clang_toolchain") {
 
       command += "$ld -shared {{ldflags}} {{inputs}} {{libs}} -o $unstripped_outfile"
       if (need_strip) {
-        command += " && $strip \"$unstripped_outfile\" \"$outfile\""
+        command += " && $strip \"$unstripped_outfile\" -o \"$outfile\""
       }
 
       default_output_extension = ".so"
@@ -98,7 +98,7 @@ template("clang_toolchain") {
       command +=
           "$ld {{ldflags}} {{inputs}} {{libs}} $custom_ld_flags -o $unstripped_outfile"
       if (need_strip) {
-        command += " && $strip \"$unstripped_outfile\" \"$outfile\""
+        command += " && $strip \"$unstripped_outfile\" -o \"$outfile\""
       }
 
       description = "LLVM LINK $outfile"