enable --as-needed linking (#20619)

* only link as needed

* a few more

* need to fix order

* everywhre

* fix mac

* update spinner + text

* fix c2 build

* another fix

Co-authored-by: Comma Device <device@comma.ai>

SConstruct

@@ -141,6 +141,10 @@ else:
   ccflags = []
   ldflags = []
 
+# no --as-needed on mac linker
+if arch != "Darwin":
+  ldflags += ["-Wl,--as-needed"]
+
 # change pythonpath to this
 lenv["PYTHONPATH"] = Dir("#").path
 

selfdrive/loggerd/SConscript

@@ -2,9 +2,10 @@ Import('env', 'arch', 'cereal', 'messaging', 'common', 'visionipc', 'gpucommon')
 
 
 logger_lib = env.Library('logger', ["logger.cc"])
-libs = [logger_lib, 'zmq', 'capnp', 'kj', 'z',
+libs = [logger_lib, common, cereal, messaging, visionipc,
+        'zmq', 'capnp', 'kj', 'z',
         'avformat', 'avcodec', 'swscale', 'avutil',
-        'yuv', 'bz2', 'OpenCL', common, cereal, messaging, visionipc]
+        'yuv', 'bz2', 'OpenCL']
 
 src = ['loggerd.cc']
 if arch in ["aarch64", "larch64"]:

selfdrive/modeld/SConscript

@@ -1,7 +1,8 @@
 Import('env', 'arch', 'cereal', 'messaging', 'common', 'gpucommon', 'visionipc')
 lenv = env.Clone()
 
-libs = [cereal, messaging, common, 'OpenCL', 'SNPE', 'symphony-cpu', 'capnp', 'zmq', 'kj', 'yuv', gpucommon, visionipc]
+libs = [cereal, messaging, common, visionipc, gpucommon,
+        'OpenCL', 'SNPE', 'symphony-cpu', 'capnp', 'zmq', 'kj', 'yuv']
 
 def get_dlsym_offset():
   """Returns the offset between dlopen and dlsym in libdl.so"""

selfdrive/ui/SConscript

@@ -2,8 +2,8 @@ import os
 Import('qt_env', 'arch', 'common', 'messaging', 'gpucommon', 'visionipc',
        'cereal', 'transformations')
 
-base_libs = qt_env["LIBS"] + [gpucommon, common, 'zmq', 'capnp', 'kj', 'm', 'OpenCL', 'ssl', 'crypto', 'pthread',
+base_libs = [gpucommon, common, cereal, messaging, visionipc, transformations, 'zmq',
-                              cereal, messaging, visionipc, transformations]
+             'capnp', 'kj', 'm', 'OpenCL', 'ssl', 'crypto', 'pthread'] + qt_env["LIBS"]
 if arch == 'aarch64':
   base_libs += ['log', 'utils', 'gui', 'ui', 'CB', 'gsl', 'adreno_utils', 'cutils', 'uuid']
 
@@ -19,7 +19,7 @@ if arch != 'aarch64':
   widgets_src += ["qt/offroad/networking.cc", "qt/offroad/wifiManager.cc"]
 
 widgets = qt_env.Library("qt_widgets", widgets_src, LIBS=base_libs)
-qt_libs = base_libs + [widgets]
+qt_libs = [widgets] + base_libs
 
 # spinner and text window
 qt_env.Program("qt/text", ["qt/text.cc"], LIBS=qt_libs)