Don't pass foundation build path to swift-driver/swift-package-manager (#74217)

Author: jmschonfeld

utils/swift_build_support/swift_build_support/products/swiftdriver.py

@@ -92,10 +92,6 @@ def run_build_script_helper(action, host_target, product, args):
     dispatch_build_dir = os.path.join(
         build_root, '%s-%s' % ('libdispatch', host_target))
 
-    # Pass Foundation directory down if we built it
-    foundation_build_dir = os.path.join(
-        build_root, '%s-%s' % ('foundation', host_target))
-
     # Pass the swift lit tests if we're testing and the Swift tests were built
     swift_build_dir = os.path.join(
         build_root, 'swift-{}'.format(host_target))
@@ -118,10 +114,6 @@ def run_build_script_helper(action, host_target, product, args):
         helper_cmd += [
             '--dispatch-build-dir', dispatch_build_dir
         ]
-    if os.path.exists(foundation_build_dir):
-        helper_cmd += [
-            '--foundation-build-dir', foundation_build_dir
-        ]
     if os.path.exists(lit_test_dir) and action == 'test':
         helper_cmd += [
             '--lit-test-dir', lit_test_dir

utils/swift_build_support/swift_build_support/products/swiftpm.py

@@ -84,15 +84,6 @@ def run_bootstrap_script(self, action, host_target, additional_params=[]):
                 "--dispatch-build-dir", dispatch_build_dir
             ]
 
-        # Pass Foundation directory down if we built it
-        foundation_build_dir = os.path.join(
-            build_root, '%s-%s' % ("foundation", host_target))
-
-        if os.path.exists(foundation_build_dir):
-            helper_cmd += [
-                "--foundation-build-dir", foundation_build_dir
-            ]
-
         # Pass Cross compile host info
         if self.has_cross_compile_hosts():
             if self.is_darwin_host(host_target):