remove unistd.h

BUILD.txt

@@ -19,7 +19,7 @@ This also works for MacOSX, but if XCode is installed you can also generate an X
 
 For Windows one can generate a Visual Studio project using
 
-  cmake -G "Visual Studio 12 2013" path\to\root\of\doxygen\source\tree
+  cmake -G "Visual Studio 11 2012" path\to\root\of\doxygen\source\tree
 
 (this is for Visual Studio 12, there are typically also generators for other versions of
 Visual Studio or other compiler environments like MinGW)

src/VPreLex.l

@@ -3,7 +3,7 @@
 %option noc++
 
 %option prefix="VPreLex"
-
+%option never-interactive
 %{
 /******************************************************************************
  * DESCRIPTION: Verilog Preprocessor Lexer
@@ -38,6 +38,7 @@
 #include <iostream>
 #include "qcstring.h"
 #include "define.h"
+#define YY_NO_UNISTD_H 1
 // Flex 2.5.35 has compile warning in ECHO, so we'll default our own rule
 #define ECHO yyerror_f("Missing VPreLex.l rule: ECHO rule invoked in state %d: %s", YY_START, yytext);
 struct VPreProcImp;

src/verilogscanner.l

@@ -25,7 +25,7 @@
  * supports the IEEE Std 1364-2001 (Revision of IEEE Std 1364-1995)Verilog subset
  * %option debug
  *****************************************************************************/
-
+%option never-interactive
 %{
 #include "VPreProc.h"
 #include <stdio.h>
@@ -140,9 +140,9 @@ static  void writeInclude(QCString);
 
 
 
-#define YY_NEVER_INTERACTIVE 1
-#define YY_USER_ACTION num_chars +=verilogscannerYYleng ;
 
+#define YY_USER_ACTION num_chars +=verilogscannerYYleng ;
+#define YY_NO_UNISTD_H 1
 //-----------------------------------------------------------
 // dictionaries for keywords
 static QDict<QCString> verilogKeyDict(17,false);