feat: add support for gn build system

add BUILD.gn for all kernel modules

Signed-off-by: Caoruihong <crh.cao@huawei.com>
Change-Id: I018446427bf64615f2596d47862b219659b58b34

fs/proc/BUILD.gn

@@ -25,23 +25,31 @@
 # OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 # WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-static_library("fs_proc") {
+import("//kernel/liteos_a/liteos.gni")
+
+module_switch = defined(LOSCFG_FS_PROC)
+module_name = get_path_info(rebase_path("."), "name")
+kernel_module(module_name) {
   sources = [
+    "os_adapt/fd_proc.c",
+    "os_adapt/fs_cache_proc.c",
+    "os_adapt/kernel_trace_proc.c",
+    "os_adapt/mounts_proc.c",
+    "os_adapt/power_proc.c",
     "os_adapt/proc_init.c",
-    "os_adapt/vfs_proc.c",
+    "os_adapt/proc_vfs.c",
+    "os_adapt/process_proc.c",
+    "os_adapt/uptime_proc.c",
+    "os_adapt/vmm_proc.c",
+    "src/proc_file.c",
     "src/proc_shellcmd.c",
-    "src/pseudofs.c",
-    "src/seq_file.c",
   ]
 
-  include_dirs = [ "include" ]
-
-  if (LOSCFG_LLTREPORT) {
-    cflags += [
-      "-fprofile-arcs",
-      "-ftest-coverage",
-    ]
-  }
+  public_configs = [ ":public" ]
+}
+
+config("public") {
+  include_dirs = [ "include" ]
 }