[Minor] Remove FP producing warning

cmake/CompilerWarnings.cmake

@@ -20,6 +20,8 @@ CHECK_C_COMPILER_FLAG(-Wimplicit-fallthrough SUPPORT_WIMPLICIT_FALLTHROUGH)
 # Special check for deprecated declarations, as since OpenSSL 3.0 they
 # just poison output for no good reason
 CHECK_C_COMPILER_FLAG(-Wdeprecated-declarations SUPPORT_WDEPRECATED_DECLARATIONS)
+# Disable -Wsuggest-attribute=format: it is too noisy with FPs around fmt C++ library
+CHECK_C_COMPILER_FLAG(-Wsuggest-attribute SUPPORT_WSUGGEST_ATTRIBUTE)
 
 IF(SUPPORT_WEXTRA)
     ADD_COMPILE_OPTIONS("-Wextra")
@@ -78,6 +80,9 @@ ENDIF(SUPPORT_WMISSING_NORETURN)
 IF(SUPPORT_WMISSING_FORMAT_ATTRIBUTE)
     ADD_COMPILE_OPTIONS("-Wmissing-format-attribute")
 ENDIF(SUPPORT_WMISSING_FORMAT_ATTRIBUTE)
+IF(SUPPORT_WSUGGEST_ATTRIBUTE)
+    ADD_COMPILE_OPTIONS("-Wno-suggest-attribute=format")
+ENDIF()
 
 IF(SUPPORT_WDEPRECATED_DECLARATIONS)
     ADD_COMPILE_OPTIONS("-Wno-deprecated-declarations")