--- src/code.l	2015-05-31 21:01:12.000000000 +0200
+++ src/code.l	2015-11-21 16:51:03.196986482 +0100
@@ -3695,7 +3695,7 @@
 extern "C" { // some bogus code to keep the compiler happy
   void codeYYdummy() { yy_flex_realloc(0,0); } 
 }
-#elif YY_FLEX_SUBMINOR_VERSION<33
+#elif YY_FLEX_MAJOR_VERSION==2 && YY_FLEX_MINOR_VERSION==5 && YY_FLEX_SUBMINOR_VERSION<33
 #error "You seem to be using a version of flex newer than 2.5.4 but older than 2.5.33. These versions do NOT work with doxygen! Please use version <=2.5.4 or >=2.5.33 or expect things to be parsed wrongly!"
 #endif
 
--- src/fortrancode.l	2015-05-31 21:01:12.000000000 +0200
+++ src/fortrancode.l	2015-11-21 21:50:13.726585997 +0100
@@ -1306,7 +1306,7 @@
 extern "C" { // some bogus code to keep the compiler happy
   void fortrancodeYYdummy() { yy_flex_realloc(0,0); } 
 }
-#elif YY_FLEX_SUBMINOR_VERSION<33
+#elif YY_FLEX_MAJOR_VERSION==2 && YY_FLEX_MINOR_VERSION==5 && YY_FLEX_SUBMINOR_VERSION<33
 #error "You seem to be using a version of flex newer than 2.5.4 but older than 2.5.33. These versions do NOT work with doxygen! Please use version <=2.5.4 or >=2.5.33 or expect things to be parsed wrongly!"
 #else
 extern "C" { // some bogus code to keep the compiler happy
--- src/vhdlcode.l	2015-05-31 21:01:12.000000000 +0200
+++ src/vhdlcode.l	2015-11-21 21:52:24.840575768 +0100
@@ -1613,7 +1613,7 @@
 extern "C" { // some bogus code to keep the compiler happy
   void vhdlcodeYYdummy() { yy_flex_realloc(0,0); } 
 }
-#elif YY_FLEX_SUBMINOR_VERSION<33
+#elif YY_FLEX_MAJOR_VERSION==2 && YY_FLEX_MINOR_VERSION==5 && YY_FLEX_SUBMINOR_VERSION<33
 #error "You seem to be using a version of flex newer than 2.5.4 but older than 2.5.33. These versions do NOT work with doxygen! Please use version <=2.5.4 or >=2.5.33 or expect things to be parsed wrongly!"
 #endif
 
--- src/xmlcode.l	2015-05-31 21:01:12.000000000 +0200
+++ src/xmlcode.l	2015-11-21 21:53:38.411570028 +0100
@@ -407,7 +407,7 @@
 extern "C" { // some bogus code to keep the compiler happy
   void xmlcodeYYdummy() { yy_flex_realloc(0,0); } 
 }
-#elif YY_FLEX_SUBMINOR_VERSION<33
+#elif YY_FLEX_MAJOR_VERSION==2 && YY_FLEX_MINOR_VERSION==5 && YY_FLEX_SUBMINOR_VERSION<33
 #error "You seem to be using a version of flex newer than 2.5.4. These are currently incompatible with 2.5.4, and do NOT work with doxygen! Please use version 2.5.4 or expect things to be parsed wrongly! A bug report has been submitted (#732132)."
 #endif
 
--- src/pycode.l	2015-05-31 21:01:12.000000000 +0200
+++ src/pycode.l	2015-11-21 21:58:01.071549535 +0100
@@ -1503,7 +1503,7 @@
 extern "C" { // some bogus code to keep the compiler happy
   void pycodeYYdummy() { yy_flex_realloc(0,0); } 
 }
-#elif YY_FLEX_SUBMINOR_VERSION<33
+#elif YY_FLEX_MAJOR_VERSION==2 && YY_FLEX_MINOR_VERSION==5 && YY_FLEX_SUBMINOR_VERSION<33
 #error "You seem to be using a version of flex newer than 2.5.4. These are currently incompatible with 2.5.4, and do NOT work with doxygen! Please use version 2.5.4 or expect things to be parsed wrongly! A bug report has been submitted (#732132)."
 #endif
 
--- src/commentscan.l	2015-05-31 21:01:12.000000000 +0200
+++ src/commentscan.l	2015-11-21 22:06:11.285511289 +0100
@@ -1103,7 +1103,7 @@
 					      // but we need to know the position in the input buffer where this 
 					      // rule matched.
 					      // for flex 2.5.33+ we should use YY_CURRENT_BUFFER_LVALUE
-#if YY_FLEX_MINOR_VERSION>=5 && YY_FLEX_SUBMINOR_VERSION>=33
+#if YY_FLEX_MINOR_VERSION>=6 || (YY_FLEX_MINOR_VERSION==5 && YY_FLEX_SUBMINOR_VERSION>=33)
 					      inputPosition=prevPosition + (int)(yy_bp - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf);
 #else
 					      inputPosition=prevPosition + (int)(yy_bp - yy_current_buffer->yy_ch_buf);
@@ -1165,7 +1165,7 @@
                                           g_memberGroupHeader.resize(0);
 					  parseMore=TRUE;
                                           needNewEntry = TRUE;
-#if YY_FLEX_MINOR_VERSION>=5 && YY_FLEX_SUBMINOR_VERSION>=33
+#if YY_FLEX_MINOR_VERSION>=6 || (YY_FLEX_MINOR_VERSION==5 && YY_FLEX_SUBMINOR_VERSION>=33)
 				          inputPosition=prevPosition + (int)(yy_bp - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf) + strlen(yytext);
 #else
 				          inputPosition=prevPosition + (int)(yy_bp - yy_current_buffer->yy_ch_buf) + strlen(yytext);