diff --git a/test/targets/clang_file.yml b/test/targets/clang_file.yml
index a14205a..470a728 100644
--- a/test/targets/clang_file.yml
+++ b/test/targets/clang_file.yml
@@ -28,7 +28,7 @@ compiler:
     - '-Wstrict-overflow=5'
     - '-Wuninitialized'
     - '-Wunused'
-    - '-Wunreachable-code'
+#   - '-Wunreachable-code'
     - '-Wreturn-type'
     - '-Wshadow'
     - '-Wundef'
@@ -57,6 +57,7 @@ compiler:
   defines:
     prefix: '-D'
     items:
+      - UNITY_OUTPUT_CHAR=putcharSpy
       - UNITY_INCLUDE_DOUBLE
       - UNITY_SUPPORT_64
       - UNITY_OUTPUT_RESULTS_FILE
@@ -65,7 +66,7 @@ compiler:
     extension: '.o'
     destination: *build_path
 linker:
-  path: gcc
+  path: clang
   options:
     - -lm
     - '-m64'
diff --git a/test/targets/clang_strict.yml b/test/targets/clang_strict.yml
index 3e2bdc2..da76aed 100644
--- a/test/targets/clang_strict.yml
+++ b/test/targets/clang_strict.yml
@@ -28,7 +28,7 @@ compiler:
     - '-Wstrict-overflow=5'
     - '-Wuninitialized'
     - '-Wunused'
-    - '-Wunreachable-code'
+#   - '-Wunreachable-code'
     - '-Wreturn-type'
     - '-Wshadow'
     - '-Wundef'
@@ -57,6 +57,7 @@ compiler:
   defines:
     prefix: '-D'
     items:
+      - UNITY_OUTPUT_CHAR=putcharSpy
       - UNITY_INCLUDE_DOUBLE
       - UNITY_SUPPORT_TEST_CASES
       - UNITY_SUPPORT_64
@@ -65,7 +66,7 @@ compiler:
     extension: '.o'
     destination: *build_path
 linker:
-  path: gcc
+  path: clang
   options:
     - -lm
     - '-m64'
diff --git a/test/targets/gcc_32.yml b/test/targets/gcc_32.yml
index dbed355..3b7ac41 100644
--- a/test/targets/gcc_32.yml
+++ b/test/targets/gcc_32.yml
@@ -19,6 +19,7 @@ compiler:
   defines:
     prefix: '-D'
     items:
+      - UNITY_OUTPUT_CHAR=putcharSpy
       - UNITY_EXCLUDE_STDINT_H
       - UNITY_EXCLUDE_LIMITS_H
       - UNITY_EXCLUDE_SIZEOF
diff --git a/test/targets/gcc_64.yml b/test/targets/gcc_64.yml
index 8f60340..04a2a70 100644
--- a/test/targets/gcc_64.yml
+++ b/test/targets/gcc_64.yml
@@ -19,6 +19,7 @@ compiler:
   defines:
     prefix: '-D'
     items:
+      - UNITY_OUTPUT_CHAR=putcharSpy
       - UNITY_EXCLUDE_STDINT_H
       - UNITY_EXCLUDE_LIMITS_H
       - UNITY_EXCLUDE_SIZEOF
diff --git a/test/targets/gcc_auto_limits.yml b/test/targets/gcc_auto_limits.yml
index 72ed555..feec894 100644
--- a/test/targets/gcc_auto_limits.yml
+++ b/test/targets/gcc_auto_limits.yml
@@ -19,6 +19,7 @@ compiler:
   defines:
     prefix: '-D'
     items:
+      - UNITY_OUTPUT_CHAR=putcharSpy
       - UNITY_EXCLUDE_STDINT_H
       - UNITY_INCLUDE_DOUBLE
       - UNITY_SUPPORT_TEST_CASES
diff --git a/test/targets/gcc_auto_sizeof.yml b/test/targets/gcc_auto_sizeof.yml
index b7076ea..9a1f9cf 100644
--- a/test/targets/gcc_auto_sizeof.yml
+++ b/test/targets/gcc_auto_sizeof.yml
@@ -19,8 +19,9 @@ compiler:
   defines:
     prefix: '-D'
     items:
+      - UNITY_OUTPUT_CHAR=putcharSpy
       - UNITY_EXCLUDE_STDINT_H
-      - UNITY_EXCLUDE_LIMTIS_H
+      - UNITY_EXCLUDE_LIMITS_H
       - UNITY_INCLUDE_DOUBLE
       - UNITY_SUPPORT_TEST_CASES
       - UNITY_SUPPORT_64
diff --git a/test/targets/gcc_auto_stdint.yml b/test/targets/gcc_auto_stdint.yml
index 0405629..bf358f8 100644
--- a/test/targets/gcc_auto_stdint.yml
+++ b/test/targets/gcc_auto_stdint.yml
@@ -32,6 +32,7 @@ compiler:
   defines:
     prefix: '-D'
     items:
+      - UNITY_OUTPUT_CHAR=putcharSpy
       - UNITY_INCLUDE_DOUBLE
       - UNITY_SUPPORT_TEST_CASES
       - UNITY_SUPPORT_64
diff --git a/test/targets/gcc_manual_math.yml b/test/targets/gcc_manual_math.yml
index 64ea3f9..b910046 100644
--- a/test/targets/gcc_manual_math.yml
+++ b/test/targets/gcc_manual_math.yml
@@ -19,6 +19,7 @@ compiler:
   defines:
     prefix: '-D'
     items:
+      - UNITY_OUTPUT_CHAR=putcharSpy
       - UNITY_EXCLUDE_MATH_H
       - UNITY_INCLUDE_DOUBLE
       - UNITY_SUPPORT_TEST_CASES