fbt: 'target' field for apps; lib debugging support (#1995)

* fbt: added 'target' field to application manifest
* fbt: earlier pagination setup for gdb
* fbt: added LIB_DEBUG flag
* fbt: sdk: added SDK_MAP_FILE_SUBST

scripts/fbt/appmanifest.py

@@ -52,6 +52,8 @@ class FlipperApplication:
     icon: Optional[str] = None
     order: int = 0
     sdk_headers: List[str] = field(default_factory=list)
+    targets: List[str] = field(default_factory=lambda: ["all"])
+
     # .fap-specific
     sources: List[str] = field(default_factory=lambda: ["*.c*"])
     fap_version: Tuple[int] = field(default_factory=lambda: (0, 1))
@@ -135,8 +137,8 @@ class AppManager:
             raise FlipperManifestException(f"Duplicate app declaration: {app.appid}")
         self.known_apps[app.appid] = app
 
-    def filter_apps(self, applist: List[str]):
-        return AppBuildset(self, applist)
+    def filter_apps(self, applist: List[str], hw_target: str):
+        return AppBuildset(self, applist, hw_target)
 
 
 class AppBuilderException(Exception):
@@ -155,11 +157,13 @@ class AppBuildset:
         FlipperAppType.STARTUP,
     )
 
-    def __init__(self, appmgr: AppManager, appnames: List[str]):
+    def __init__(self, appmgr: AppManager, appnames: List[str], hw_target: str):
         self.appmgr = appmgr
         self.appnames = set(appnames)
+        self.hw_target = hw_target
         self._orig_appnames = appnames
         self._process_deps()
+        self._filter_by_target()
         self._check_conflicts()
         self._check_unsatisfied()  # unneeded?
         self.apps = sorted(
@@ -170,6 +174,16 @@ class AppBuildset:
     def _is_missing_dep(self, dep_name: str):
         return dep_name not in self.appnames
 
+    def _filter_by_target(self):
+        for appname in self.appnames.copy():
+            app = self.appmgr.get(appname)
+            # if app.apptype not in self.BUILTIN_APP_TYPES:
+            if not any(map(lambda t: t in app.targets, ["all", self.hw_target])):
+                print(
+                    f"Removing {appname} due to target mismatch (building for {self.hw_target}, app supports {app.targets}"
+                )
+                self.appnames.remove(appname)
+
     def _process_deps(self):
         while True:
             provided = []

scripts/fbt/util.py

@@ -1,7 +1,6 @@
 import SCons
 from SCons.Subst import quote_spaces
 from SCons.Errors import StopError
-from SCons.Node.FS import _my_normcase
 
 import re
 import os
@@ -58,3 +57,9 @@ def extract_abs_dir_path(node):
         raise StopError(f"Can't find absolute path for {node.name}")
 
     return abs_dir_node.abspath
+
+
+def path_as_posix(path):
+    if SCons.Platform.platform_default() == "win32":
+        return path.replace(os.path.sep, os.path.altsep)
+    return path

scripts/fbt_tools/fbt_apps.py

@@ -1,7 +1,6 @@
 from SCons.Builder import Builder
 from SCons.Action import Action
 from SCons.Warnings import warn, WarningOnByDefault
-import SCons
 from ansi.color import fg
 
 from fbt.appmanifest import (
@@ -33,14 +32,12 @@ def LoadAppManifest(env, entry):
 
 
 def PrepareApplicationsBuild(env):
-    appbuild = env["APPBUILD"] = env["APPMGR"].filter_apps(env["APPS"])
+    appbuild = env["APPBUILD"] = env["APPMGR"].filter_apps(
+        env["APPS"], env.subst("f${TARGET_HW}")
+    )
     env.Append(
         SDK_HEADERS=appbuild.get_sdk_headers(),
     )
-    env["APPBUILD_DUMP"] = env.Action(
-        DumpApplicationConfig,
-        "\tINFO\t",
-    )
 
 
 def DumpApplicationConfig(target, source, env):
@@ -68,6 +65,10 @@ def generate(env):
     env.AddMethod(PrepareApplicationsBuild)
     env.SetDefault(
         APPMGR=AppManager(),
+        APPBUILD_DUMP=env.Action(
+            DumpApplicationConfig,
+            "\tINFO\t",
+        ),
     )
 
     env.Append(

scripts/fbt_tools/fbt_debugopts.py

@@ -41,12 +41,12 @@ def generate(env, **kw):
             "|openocd -c 'gdb_port pipe; log_output ${FBT_DEBUG_DIR}/openocd.log' ${[SINGLEQUOTEFUNC(OPENOCD_OPTS)]}"
         ],
         GDBOPTS_BASE=[
+            "-ex",
+            "set pagination off",
             "-ex",
             "target extended-remote ${GDBREMOTE}",
             "-ex",
             "set confirm off",
-            "-ex",
-            "set pagination off",
         ],
         GDBOPTS_BLACKMAGIC=[
             "-ex",

scripts/fbt_tools/fbt_sdk.py

@@ -14,6 +14,7 @@ import json
 
 from fbt.sdk.collector import SdkCollector
 from fbt.sdk.cache import SdkCache
+from fbt.util import path_as_posix
 
 
 def ProcessSdkDepends(env, filename):
@@ -52,6 +53,8 @@ def prebuild_sdk_create_origin_file(target, source, env):
 
 
 class SdkMeta:
+    MAP_FILE_SUBST = "SDK_MAP_FILE_SUBST"
+
     def __init__(self, env, tree_builder: "SdkTreeBuilder"):
         self.env = env
         self.treebuilder = tree_builder
@@ -67,6 +70,7 @@ class SdkMeta:
             "linker_libs": self.env.subst("${LIBS}"),
             "app_ep_subst": self.env.subst("${APP_ENTRY}"),
             "sdk_path_subst": self.env.subst("${SDK_DIR_SUBST}"),
+            "map_file_subst": self.MAP_FILE_SUBST,
             "hardware": self.env.subst("${TARGET_HW}"),
         }
         with open(json_manifest_path, "wt") as f:
@@ -75,9 +79,9 @@ class SdkMeta:
     def _wrap_scons_vars(self, vars: str):
         expanded_vars = self.env.subst(
             vars,
-            target=Entry("dummy"),
+            target=Entry(self.MAP_FILE_SUBST),
         )
-        return expanded_vars.replace("\\", "/")
+        return path_as_posix(expanded_vars)
 
 
 class SdkTreeBuilder:
@@ -142,13 +146,15 @@ class SdkTreeBuilder:
         meta.save_to(self.target[0].path)
 
     def build_sdk_file_path(self, orig_path: str) -> str:
-        return posixpath.normpath(
-            posixpath.join(
-                self.SDK_DIR_SUBST,
-                self.target_sdk_dir_name,
-                orig_path,
+        return path_as_posix(
+            posixpath.normpath(
+                posixpath.join(
+                    self.SDK_DIR_SUBST,
+                    self.target_sdk_dir_name,
+                    orig_path,
+                )
             )
-        ).replace("\\", "/")
+        )
 
     def emitter(self, target, source, env):
         target_folder = target[0]