diff --git a/cmake/FindNTT.cmake b/cmake/FindNTT.cmake
index b7b48bc2..e5b60599 100644
--- a/cmake/FindNTT.cmake
+++ b/cmake/FindNTT.cmake
@@ -50,6 +50,7 @@ manifest.
         [PARAMETERS_FILE file]
         [WORKING_DIRECTORY dir]
         [TARGETS target1...]
+        [DIAGNOSTICS flags]
   )
 
   ``add_ttcn3_suite`` creates a target TGT and test suite manifest
@@ -93,6 +94,9 @@ manifest.
     Add additional target-level dependencies. This is used to assure SUTs are
     built before a test is executed.
 
+  ``DIAGNOSTICS flags``
+    Specifies the compiler diagnostics flags
+
 ]====================================================================]
 
 if(TTCN3_PROTOBUF_INCLUDED)
@@ -134,7 +138,7 @@ file(REMOVE "${CMAKE_BINARY_DIR}/ttcn3_suites.json")
 function(add_ttcn3_suite TGT)
     set("ARGS_PREFIX" "")
     set("ARGS_OPTIONS" "")
-    set("ARGS_ONE_VALUE" "NAME;TIMEOUT;HOOKS_FILE;PARAMETERS_FILE;WORKING_DIRECTORY")
+    set("ARGS_ONE_VALUE" "NAME;TIMEOUT;HOOKS_FILE;PARAMETERS_FILE;WORKING_DIRECTORY;DIAGNOSTICS")
     set("ARGS_MULTI_VALUE" "VARS;SOURCES;DEPENDS;TARGETS")
     cmake_parse_arguments("${ARGS_PREFIX}" "${ARGS_OPTIONS}" "${ARGS_ONE_VALUE}" "${ARGS_MULTI_VALUE}" ${ARGN})
 
@@ -215,6 +219,14 @@ function(add_ttcn3_suite TGT)
         add_dependencies("${TGT}" "${x}")
     endforeach()
 
+    if (_DIAGNOSTICS)
+        string(REPLACE " " ";" _DIAGNOSTICS ${_DIAGNOSTICS})
+        string(APPEND MANIFEST "diagnostics:\n")
+        foreach(x ${_DIAGNOSTICS})
+            string(APPEND MANIFEST "  - ${x}\n")
+        endforeach()
+    endif()
+
     file(GENERATE OUTPUT "${MANIFEST_FILE}" CONTENT "${MANIFEST}")
 
     __ntt_add_db_entry("${CMAKE_BINARY_DIR}/ttcn3_suites.json" "${TGT}" "${_WORKING_DIRECTORY}" "${CMAKE_CURRENT_LIST_DIR}")
diff --git a/error.go b/error.go
index c90d0262..abadaa62 100644
--- a/error.go
+++ b/error.go
@@ -19,7 +19,7 @@ type errPattern struct {
 }
 
 func (e errPattern) Error() string {
-	return fmt.Sprintf("%s: error: %s", syntax.Begin(e.node), e.msg)
+	return fmt.Sprintf("%s:%s: error: %s", syntax.Filename(e.node), syntax.Begin(e.node), e.msg)
 }
 
 func (e errPattern) IsSilent() bool { return isSilent(e.node, "TemplateDef") }
@@ -30,8 +30,8 @@ type errLines struct {
 }
 
 func (e errLines) Error() string {
-	return fmt.Sprintf("%s: error: %q must not have more than %d lines (%d)",
-		syntax.Begin(e.node), syntax.Name(e.node), style.MaxLines, e.lines)
+	return fmt.Sprintf("%s:%s: error: %q must not have more than %d lines (%d)",
+		syntax.Filename(e.node), syntax.Begin(e.node), syntax.Name(e.node), style.MaxLines, e.lines)
 }
 
 func (e errLines) IsSilent() bool { return isSilent(e.node, "CodeStatistics.TooLong") }
@@ -41,8 +41,8 @@ type errBraces struct {
 }
 
 func (e errBraces) Error() string {
-	return fmt.Sprintf("%s: error: braces must be in the same line or same column",
-		syntax.Begin(e.right))
+	return fmt.Sprintf("%s:%s: error: braces must be in the same line or same column",
+		syntax.Filename(e.right), syntax.Begin(e.right))
 }
 
 type errComplexity struct {
@@ -51,8 +51,8 @@ type errComplexity struct {
 }
 
 func (e errComplexity) Error() string {
-	return fmt.Sprintf("%s: error: cyclomatic complexity of %q (%d) must not be higher than %d",
-		syntax.Begin(e.node), syntax.Name(e.node), e.complexity, style.Complexity.Max)
+	return fmt.Sprintf("%s:%s: error: cyclomatic complexity of %q (%d) must not be higher than %d",
+		syntax.Filename(e.node), syntax.Begin(e.node), syntax.Name(e.node), e.complexity, style.Complexity.Max)
 }
 
 func (e errComplexity) IsSilent() bool { return isSilent(e.node, "CodeStatistics.TooComplex") }
@@ -62,7 +62,7 @@ type errMissingCaseElse struct {
 }
 
 func (e errMissingCaseElse) Error() string {
-	return fmt.Sprintf("%s: error: missing case else in select statement", syntax.Begin(e.node))
+	return fmt.Sprintf("%s:%s: error: missing case else in select statement", syntax.Filename(e.node), syntax.Begin(e.node))
 }
 
 type errUsageExceedsLimit struct {
@@ -73,8 +73,8 @@ type errUsageExceedsLimit struct {
 }
 
 func (e errUsageExceedsLimit) Error() string {
-	return fmt.Sprintf("%s: error: %q must not be used more than %d times. %s",
-		syntax.Begin(e.node), syntax.Name(e.node), e.limit, e.text)
+	return fmt.Sprintf("%s:%s: error: %q must not be used more than %d times. %s",
+		syntax.Filename(e.node), syntax.Begin(e.node), syntax.Name(e.node), e.limit, e.text)
 }
 
 type errUnusedModule struct {
diff --git a/lint.go b/lint.go
index d67be6e9..b3f22200 100644
--- a/lint.go
+++ b/lint.go
@@ -226,7 +226,6 @@ func lint(cmd *cobra.Command, args []string) error {
 
 			for _, def := range tree.Modules() {
 				mod := def.Node.(*syntax.Module)
-
 				if isWhiteListed(style.Ignore.Modules, syntax.Name(mod.Name)) {
 					continue
 				}
@@ -236,6 +235,8 @@ func lint(cmd *cobra.Command, args []string) error {
 				ccID := syntax.Node(mod)
 				caseElse := make(map[syntax.Node]int)
 
+				checkNaming(mod, style.Naming.Modules)
+				checkBraces(mod.LBrace, mod.RBrace)
 				mod.Inspect(func(n syntax.Node) bool {
 					if n == nil {
 						stack = stack[:len(stack)-1]
@@ -248,10 +249,6 @@ func lint(cmd *cobra.Command, args []string) error {
 					case *syntax.Ident:
 						checkUsage(n)
 
-					case *syntax.Module:
-						checkNaming(n, style.Naming.Modules)
-						checkBraces(n.LBrace, n.RBrace)
-
 					case *syntax.FuncDecl:
 						ccID = n
 						cc[ccID] = 1 // Intial McCabe value
diff --git a/main.go b/main.go
index 9cf036c5..68cdfb67 100644
--- a/main.go
+++ b/main.go
@@ -82,7 +82,7 @@ var (
 				if path, err := exec.LookPath("k3-" + args[0]); err == nil {
 					return proc.Exec(path, args[1:]...)
 				}
-				return fmt.Errorf("unknown command: %s", args[0])
+				return fmt.Errorf("ntt: unknown command: %s", args[0])
 			}
 
 			if err := cmd.Flags().Parse(args); err != nil {
diff --git a/project/project.go b/project/project.go
index 1a29e88d..d244d28c 100644
--- a/project/project.go
+++ b/project/project.go
@@ -129,6 +129,9 @@ type Manifest struct {
 	// this variables section.
 	Variables env.Env
 
+	// Diagnostics is a list of diagnostics flags used by compilator
+	Diagnostics []string `json:"diagnostics"`
+
 	// Parameters is an embedded parameters file.
 	Parameters `json:",inline"`
 
diff --git a/project/project_test.go b/project/project_test.go
index affdfede..9f55a3e2 100644
--- a/project/project_test.go
+++ b/project/project_test.go
@@ -281,6 +281,14 @@ func TestWithManifest(t *testing.T) {
 		assert.Nil(t, err)
 		assert.Equal(t, "https://file.txt", c.HooksFile)
 	})
+	t.Run("diagnostics", func(t *testing.T) {
+		c, err := manifest("foo/bar/package.yml", `
+		diagnostics:
+		  - -w1
+		  - --white-list-dir=foo/bar/path`)
+		assert.Nil(t, err)
+		assert.Equal(t, []string([]string{"-w1", "--white-list-dir=foo/bar/path"}), c.Diagnostics)
+	})
 	t.Run("variables", func(t *testing.T) {
 		c, err := manifest("foo/bar/package.yml", `
             variables: