Prevent Xcode from replacing the Swift StdLib dylibs that Bazel already packaged.

PiperOrigin-RevId: 229836967
diff --git a/src/TulsiGenerator/PBXTargetGenerator.swift b/src/TulsiGenerator/PBXTargetGenerator.swift
index 6300510..f63c5d6 100644
--- a/src/TulsiGenerator/PBXTargetGenerator.swift
+++ b/src/TulsiGenerator/PBXTargetGenerator.swift
@@ -741,6 +741,9 @@
     // XCTest framework when performing Live issues analysis.
     buildSettings["FRAMEWORK_SEARCH_PATHS"] = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 
+    // Prevent Xcode from replacing the Swift StdLib dylibs that Bazel already packaged.
+    buildSettings["DONT_RUN_SWIFT_STDLIB_TOOL"] = "YES"
+
     var sourceDirectory = PBXTargetGenerator.workingDirectoryForPBXGroup(project.mainGroup)
     if sourceDirectory.isEmpty {
       sourceDirectory = "$(SRCROOT)"
diff --git a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/ComplexSingleProject.xcodeproj/project.pbxproj b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/ComplexSingleProject.xcodeproj/project.pbxproj
index edb83f7..d9150b5 100644
--- a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/ComplexSingleProject.xcodeproj/project.pbxproj
+++ b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/ComplexSingleProject.xcodeproj/project.pbxproj
@@ -922,6 +922,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
@@ -1025,6 +1026,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
@@ -1195,6 +1197,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
@@ -1380,6 +1383,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
diff --git a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/MacOSProject.xcodeproj/project.pbxproj b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/MacOSProject.xcodeproj/project.pbxproj
index 80b25c7..253aae5 100644
--- a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/MacOSProject.xcodeproj/project.pbxproj
+++ b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/MacOSProject.xcodeproj/project.pbxproj
@@ -378,6 +378,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
@@ -493,6 +494,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
@@ -591,6 +593,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
@@ -689,6 +692,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
diff --git a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/MacOSTestsProject.xcodeproj/project.pbxproj b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/MacOSTestsProject.xcodeproj/project.pbxproj
index 20a8a85..415457f 100644
--- a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/MacOSTestsProject.xcodeproj/project.pbxproj
+++ b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/MacOSTestsProject.xcodeproj/project.pbxproj
@@ -633,6 +633,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
@@ -757,6 +758,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
@@ -893,6 +895,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
@@ -1051,6 +1054,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
diff --git a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/MultiExtensionProject.xcodeproj/project.pbxproj b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/MultiExtensionProject.xcodeproj/project.pbxproj
index c2a6a7b..b14191c 100644
--- a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/MultiExtensionProject.xcodeproj/project.pbxproj
+++ b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/MultiExtensionProject.xcodeproj/project.pbxproj
@@ -276,6 +276,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
@@ -391,6 +392,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
@@ -477,6 +479,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
@@ -563,6 +566,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
diff --git a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SimpleCCProject.xcodeproj/project.pbxproj b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SimpleCCProject.xcodeproj/project.pbxproj
index e875ee4..ec732cc 100644
--- a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SimpleCCProject.xcodeproj/project.pbxproj
+++ b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SimpleCCProject.xcodeproj/project.pbxproj
@@ -244,6 +244,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
@@ -308,6 +309,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
@@ -371,6 +373,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
@@ -434,6 +437,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
diff --git a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SimpleProject.xcodeproj/project.pbxproj b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SimpleProject.xcodeproj/project.pbxproj
index cb20363..c22b38a 100644
--- a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SimpleProject.xcodeproj/project.pbxproj
+++ b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SimpleProject.xcodeproj/project.pbxproj
@@ -598,6 +598,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
@@ -701,6 +702,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
@@ -831,6 +833,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
@@ -976,6 +979,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
diff --git a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SkylarkBundlingProject.xcodeproj/project.pbxproj b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SkylarkBundlingProject.xcodeproj/project.pbxproj
index 08c37ac..b019e6e 100644
--- a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SkylarkBundlingProject.xcodeproj/project.pbxproj
+++ b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SkylarkBundlingProject.xcodeproj/project.pbxproj
@@ -298,6 +298,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
@@ -388,6 +389,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
@@ -470,6 +472,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
@@ -552,6 +555,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
diff --git a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SwiftProject.xcodeproj/project.pbxproj b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SwiftProject.xcodeproj/project.pbxproj
index 95aa39e..651c508 100644
--- a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SwiftProject.xcodeproj/project.pbxproj
+++ b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/SwiftProject.xcodeproj/project.pbxproj
@@ -348,6 +348,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
@@ -414,6 +415,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
@@ -506,6 +508,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
@@ -598,6 +601,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
diff --git a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/TestSuiteExplicitXCTestsProject.xcodeproj/project.pbxproj b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/TestSuiteExplicitXCTestsProject.xcodeproj/project.pbxproj
index 94f9d79..5566941 100644
--- a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/TestSuiteExplicitXCTestsProject.xcodeproj/project.pbxproj
+++ b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/TestSuiteExplicitXCTestsProject.xcodeproj/project.pbxproj
@@ -719,6 +719,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
@@ -865,6 +866,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
@@ -1023,6 +1025,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
@@ -1210,6 +1213,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
diff --git a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/TestSuiteLocalTaggedTestsProject.xcodeproj/project.pbxproj b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/TestSuiteLocalTaggedTestsProject.xcodeproj/project.pbxproj
index f155959..0925de5 100644
--- a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/TestSuiteLocalTaggedTestsProject.xcodeproj/project.pbxproj
+++ b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/TestSuiteLocalTaggedTestsProject.xcodeproj/project.pbxproj
@@ -414,6 +414,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
@@ -492,6 +493,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
@@ -589,6 +591,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
@@ -701,6 +704,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
diff --git a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/TestSuiteRecursiveTestSuiteProject.xcodeproj/project.pbxproj b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/TestSuiteRecursiveTestSuiteProject.xcodeproj/project.pbxproj
index d454b80..5ef5947 100644
--- a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/TestSuiteRecursiveTestSuiteProject.xcodeproj/project.pbxproj
+++ b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/TestSuiteRecursiveTestSuiteProject.xcodeproj/project.pbxproj
@@ -626,6 +626,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
@@ -746,6 +747,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
@@ -885,6 +887,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
@@ -1053,6 +1056,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
diff --git a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/WatchProject.xcodeproj/project.pbxproj b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/WatchProject.xcodeproj/project.pbxproj
index 031e681..72a9025 100644
--- a/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/WatchProject.xcodeproj/project.pbxproj
+++ b/src/TulsiGeneratorIntegrationTests/Resources/GoldenProjects/WatchProject.xcodeproj/project.pbxproj
@@ -421,6 +421,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
@@ -536,6 +537,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
@@ -646,6 +648,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
 				GCC_PREPROCESSOR_DEFINITIONS = "NDEBUG=1";
@@ -756,6 +759,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGNING_REQUIRED = NO;
 				CODE_SIGN_IDENTITY = "";
+				DONT_RUN_SWIFT_STDLIB_TOOL = YES;
 				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
diff --git a/src/TulsiGeneratorTests/PBXTargetGeneratorTests.swift b/src/TulsiGeneratorTests/PBXTargetGeneratorTests.swift
index b182bab..0d6ed89 100644
--- a/src/TulsiGeneratorTests/PBXTargetGeneratorTests.swift
+++ b/src/TulsiGeneratorTests/PBXTargetGeneratorTests.swift
@@ -210,6 +210,7 @@
         "CLANG_WARN__DUPLICATE_METHOD_MATCH": "YES",
         "CODE_SIGNING_REQUIRED": "NO",
         "CODE_SIGN_IDENTITY": "",
+        "DONT_RUN_SWIFT_STDLIB_TOOL": "YES",
         "ENABLE_TESTABILITY": "YES",
         "FRAMEWORK_SEARCH_PATHS": "$(PLATFORM_DIR)/Developer/Library/Frameworks",
         "GCC_WARN_64_TO_32_BIT_CONVERSION": "YES",
@@ -261,6 +262,7 @@
         "CLANG_WARN__DUPLICATE_METHOD_MATCH": "YES",
         "CODE_SIGNING_REQUIRED": "NO",
         "CODE_SIGN_IDENTITY": "",
+        "DONT_RUN_SWIFT_STDLIB_TOOL": "YES",
         "ENABLE_TESTABILITY": "YES",
         "FRAMEWORK_SEARCH_PATHS": "$(PLATFORM_DIR)/Developer/Library/Frameworks",
         "GCC_WARN_64_TO_32_BIT_CONVERSION": "YES",