Fix the Build Flags Conflict

Author: yufengwangca

examples/camera-app/linux/BUILD.gn

@@ -16,18 +16,26 @@ import("//build_overrides/build.gni")
 import("//build_overrides/chip.gni")
 
 import("${chip_root}/build/chip/tools.gni")
-import("${chip_root}/src/app/common_flags.gni")
 
 assert(chip_build_tools)
 
-config("includes") {
+config("config") {
+  cflags = [
+    "-Wconversion",
+    "-Wno-shadow",
+  ]
+
   include_dirs = [
-    ".",
     "include",
+    "include/clusters/chime",
+    "${chip_root}/examples/camera-app/camera-common/include",
+    "${chip_root}/third_party/libdatachannel/repo/include",    
   ]
 }
 
 executable("chip-camera-app") {
+  configs += [ ":config" ]
+
   sources = [
     "${chip_root}/examples/camera-app/linux/src/camera-device.cpp",
     "${chip_root}/examples/camera-app/linux/src/clusters/chime/chime-manager.cpp",
@@ -47,15 +55,6 @@ executable("chip-camera-app") {
   lib_dirs =
       [ rebase_path("${chip_root}/third_party/libdatachannel/repo/build") ]
 
-  include_dirs = [
-    "include",
-    "include/clusters/chime",
-    "${chip_root}/examples/camera-app/camera-common/include",
-    "${chip_root}/third_party/libdatachannel/repo/include",
-  ]
-
-  cflags = [ "-Wconversion" ]
-
   output_dir = root_out_dir
 }
 

examples/camera-controller/BUILD.gn

@@ -23,12 +23,18 @@ import("${chip_root}/src/lib/core/core.gni")
 assert(chip_build_tools)
 
 config("config") {
+  cflags = [
+    "-Wconversion",
+    "-Wno-shadow",
+  ]
+
   include_dirs = [
     ".",
     "${chip_root}/examples/common",
     "${chip_root}/zzz_generated/app-common/app-common",
     "${chip_root}/zzz_generated/chip-tool",
     "${chip_root}/src/lib",
+    "${chip_root}/third_party/libdatachannel/repo/include",
   ]
 
   defines = [ "CONFIG_USE_SEPARATE_EVENTLOOP=${config_use_separate_eventloop}" ]
@@ -114,8 +120,6 @@ executable("camera-controller") {
   lib_dirs =
       [ rebase_path("${chip_root}/third_party/libdatachannel/repo/build") ]
 
-  include_dirs = [ "${chip_root}/third_party/libdatachannel/repo/include" ]
-
   output_dir = root_out_dir
 }