fixup! feat(google_benchmark): only run benchmark once in instrumentation mode

Author: GuillaumeLagrange

google_benchmark/cmake/Codspeed.cmake

@@ -21,17 +21,10 @@ if(NOT DEFINED CODSPEED_MODE)
         set(CODSPEED_MODE "instrumentation")
     endif()
 endif()
-
-# Define a preprocessor macro based on the build mode
+        message(
+            FATAL_ERROR
+            "Invalid build mode: ${CODSPEED_MODE}. Use 'instrumentation' or 'walltime'."
+        )
 if(CODSPEED_MODE STREQUAL "instrumentation")
     target_compile_definitions(codspeed INTERFACE -DCODSPEED_INSTRUMENTATION)
 elseif(CODSPEED_MODE STREQUAL "walltime")
-    target_compile_definitions(codspeed INTERFACE -DCODSPEED_WALLTIME)
-else()
-    message(
-        FATAL_ERROR
-        "Invalid build mode: ${CODSPEED_MODE}. Use 'instrumentation' or 'walltime'."
-    )
-endif()
-
-message(STATUS "Build mode set to: ${CODSPEED_MODE}")