1 files changed, 6 insertions, 2 deletions
diff --git a/Source/cmFortranParser.y b/Source/cmFortranParser.y
index 7eb5ef5..3d68134 100644
--- a/Source/cmFortranParser.y
+++ b/Source/cmFortranParser.y
@@ -26,13 +26,17 @@ Modify cmFortranParser.cxx:
   - "#if 0" out yyerrorlab block in range ["goto yyerrlab1", "yyerrlab1:"]
 */
 
+#include <cmConfigure.h> // IWYU pragma: keep
+
+#include <cmsys/String.h>
+#include <stdlib.h>
+#include <string.h>
+
 /*-------------------------------------------------------------------------*/
 #define cmFortranParser_cxx
 #include "cmFortranParser.h" /* Interface to parser object.  */
 #include "cmFortranParserTokens.h" /* Need YYSTYPE for YY_DECL.  */
 
-#include <cmsys/String.h>
-
 /* Forward declare the lexer entry point.  */
 YY_DECL;