add board exe ld flags configuration.

BUILD.gn

@@ -17,7 +17,6 @@ group("ohos") {
   if (ohos_build_target == "") {
     # Step 1: Read product configuration profile.
     product_cfg = read_file("${product_path}/config.json", "json")
-    kernel = product_cfg.kernel_type
 
     # Step 2: Loop subsystems configured by product.
     foreach(product_configed_subsystem, product_cfg.subsystems) {
@@ -54,14 +53,15 @@ group("ohos") {
           if (component.component == product_configed_component.component) {
             # Step 6.1.1: Loop OS components adapted kernel type.
             foreach(component_adapted_kernel, component.adapted_kernel) {
-              if (component_adapted_kernel == kernel && kernel_valid == false) {
+              if (component_adapted_kernel == product_cfg.kernel_type && 
+                  kernel_valid == false) {
                 kernel_valid = true
               }
             }
 
             assert(
                 kernel_valid,
-                "Invalid component configed, ${subsystem_name}:${product_configed_component.component} " + "not available for kernel: $kernel!")
+                "Invalid component configed, ${subsystem_name}:${product_configed_component.component} " + "not available for kernel: ${product_cfg.kernel_type}!")
 
             # Step 6.1.2: Add valid component for compiling.
             foreach(component_target, component.targets) {
@@ -71,10 +71,12 @@ group("ohos") {
         }
       }
     }
+
     # Step 7: Add device and product target by default.
-    deps += [ 
+    deps += [
       "${device_path}/../",
-      "${product_path}" ]
+      "${product_path}"
+    ]
   } else {
     deps += string_split(ohos_build_target, "&&")
   }

config/BUILD.gn

@@ -172,6 +172,7 @@ config("board_config") {
   cflags_cc = []
   ldflags = []
   include_dirs = []
+  defines = []
   cflags += board_cflags
   if (board_configed_sysroot != "") {
     cflags += [ "--sysroot=${board_configed_sysroot}" ]
@@ -181,4 +182,14 @@ config("board_config") {
   cflags_cc += board_cxx_flags
   ldflags += board_ld_flags
   include_dirs += board_include_dirs
+  if (defined(board_macro_defines)) {
+    defines += board_macro_defines
+  }
 }
+
+config("board_exe_ld_flags") {
+  ldflags = []
+  if (defined(board_exe_ld_flags)) {
+    ldflags += board_exe_ld_flags
+  }
+}
\ No newline at end of file

config/BUILDCONFIG.gn

@@ -54,7 +54,6 @@ if (board_toolchain != "" && use_board_toolchain) {
     ohos_current_as_command = ohos_current_cc_command
     ohos_current_ld_command = ohos_current_cc_command
     ohos_current_strip_command = "$compile_prefix/llvm-objcopy --strip-all"
-    default_target_configs = [ "//build/lite/config:clang" ]
     default_target_configs += [ "//build/lite/config:clang_opt" ]
   }
 } else {
@@ -116,6 +115,7 @@ default_executable_configs = default_static_library_configs +
 
 set_defaults("executable") {
   configs = default_executable_configs
+  configs += [ "//build/lite/config:board_exe_ld_flags" ]
 }
 
 set_defaults("static_library") {