[WIP]Cognito credential provider support

.builder/actions/crt-ci-prep-xcodebuild.py

@@ -0,0 +1,9 @@
+import Builder
+
+class CrtCiPrepXCodebuild(Builder.Action):
+    def run(self, env):
+        env.shell.setenv("TEST_RUNNER_AWS_TESTING_STS_ROLE_ARN", env.shell.get_secret("aws-c-auth-testing/sts-role-arn"))
+        actions = [
+            Builder.SetupCrossCICrtEnvironment(use_xcodebuild=True)
+        ]
+        return Builder.Script(actions, name='crt-ci-prep-xcodebuild')

.github/workflows/ci.yml

@@ -6,8 +6,8 @@ on:
       - 'main'
 
 env:
-  BUILDER_VERSION: v0.9.73
-  BUILDER_SOURCE: releases
+  BUILDER_VERSION: xcodebuild_setup
+  BUILDER_SOURCE: channels
   BUILDER_HOST: https://d19elf31gohf1l.cloudfront.net
   PACKAGE_NAME: aws-crt-swift
   RUN: ${{ github.run_id }}-${{ github.run_number }}

Package.swift

@@ -109,11 +109,11 @@ packageTargets.append(.target(
         // we manually define the macros from `s2n_prelude.h`. When SwiftPM supports compiler flags
         // or building packages using CMake, this hack should be removed.
         // We are not defining `S2N_API` because we don't need to expose any symbols from S2N in crt-swift.
-        .define("_S2N_PRELUDE_INCLUDED"),
+            .define("_S2N_PRELUDE_INCLUDED"),
         .define("S2N_BUILD_RELEASE"),
         .define("_FORTIFY_SOURCE", to: "2"),
         .define("POSIX_C_SOURCE", to: "200809L"),
-
+        
     ]
 ))
 #endif