--- a/mkspecs/features/lex.prf	Tue Jul 06 15:10:48 2010 +0300
+++ b/mkspecs/features/lex.prf	Wed Aug 18 10:37:55 2010 +0300
@@ -14,9 +14,9 @@
     QMAKE_LEXEXTRAFLAGS = $$QMAKE_LEXFLAGS
     !yacc_no_name_mangle:QMAKE_LEXEXTRAFLAGS += $$QMAKE_LEXFLAGS_MANGLE
 
-    lex.commands = $$QMAKE_LEX $$QMAKE_LEXEXTRAFLAGS ${QMAKE_FILE_IN}$$escape_expand(\n\t) \
-                   $$QMAKE_DEL_FILE $${QMAKE_CPP_MOD_MOC}${QMAKE_FILE_BASE}_lex$${first(QMAKE_EXT_CPP)}$$escape_expand(\n\t) \
-                   $$QMAKE_MOVE lex.${QMAKE_FILE_BASE}.c $${QMAKE_CPP_MOD_MOC}${QMAKE_FILE_BASE}_lex$${first(QMAKE_EXT_CPP)}$$escape_expand(\n\t)
+    lex.commands = $$QMAKE_LEX $$QMAKE_LEXEXTRAFLAGS ${QMAKE_FILE_IN}$$escape_expand(\\n\\t) \
+                   $$QMAKE_DEL_FILE $${QMAKE_CPP_MOD_MOC}${QMAKE_FILE_BASE}_lex$${first(QMAKE_EXT_CPP)}$$escape_expand(\\n\\t) \
+                   $$QMAKE_MOVE lex.${QMAKE_FILE_BASE}.c $${QMAKE_CPP_MOD_MOC}${QMAKE_FILE_BASE}_lex$${first(QMAKE_EXT_CPP)}$$escape_expand(\\n\\t)
     lex.output = $${QMAKE_CPP_MOD_MOC}${QMAKE_FILE_BASE}_lex$${first(QMAKE_EXT_CPP)}
 
     silent:lex.commands = @echo Lex ${QMAKE_FILE_IN} && $$lex.commands