diff --git a/BisonMacros.cmake b/BisonMacros.cmake
index d6dcb19..b509e88 100644
--- a/BisonMacros.cmake
+++ b/BisonMacros.cmake
@@ -82,8 +82,8 @@ MACRO(GENERATE_BISON_FLEX_SOURCES parser parser_args
                                   lexer  lexer_args)
   GET_FILENAME_COMPONENT(parser_base "${parser}" NAME_WE)
 
-  SET(BISON_TAB_C "${CMAKE_CURRENT_BINARY_DIR}/${parser_base}.tab.c")
-  SET(BISON_TAB_H "${CMAKE_CURRENT_BINARY_DIR}/${parser_base}.tab.h")
+  SET(BISON_TAB_C "${CMAKE_CURRENT_BINARY_DIR}/${parser_base}.tab.cc")
+  SET(BISON_TAB_H "${CMAKE_CURRENT_BINARY_DIR}/${parser_base}.tab.hh")
   SET(BISON_CC    "${CMAKE_CURRENT_BINARY_DIR}/${parser_base}.cc")
   SET(BISON_H     "${CMAKE_CURRENT_BINARY_DIR}/${parser_base}.h")
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 36a4204..7fd1673 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -30,23 +30,25 @@ install( FILES abakusui.rc DESTINATION ${DATA_INSTALL_DIR} )
 
 ##### abakus (executable) #######################
 
-GENERATE_BISON_FLEX_SOURCES("lexer.ll", "", "parser.yy", "-d")
+GENERATE_BISON_FLEX_SOURCES(${CMAKE_SOURCE_DIR}/src/parser.yy "" ${CMAKE_SOURCE_DIR}/src/lexer.ll "")
 
 if( HAVE_MPFR )
-  set( MPFR_SOURCES "hmath.cpp number.c" )
+  set( MPFR_SOURCES "" )
   set( MPFR_LIBRARIES "mpfr gmp" )
+else( HAVE_MPFR )
+  set( MPFR_SOURCES hmath.cpp number.c )
+  set( MPFR_LIBRARIES "" )
 endif( HAVE_MPFR )
 
 tde_add_executable( abakus AUTOMOC
   SOURCES abakus.cpp abakuslistview.cpp
     dragsupport.cpp editor.cpp
     evaluator.cpp function.cpp
-    lexer_lex.cpp mainwindow.cpp
-    node.cpp numerictypes.cpp
-    parser_yacc.cpp result.cpp
+    mainwindow.cpp node.cpp
+    numerictypes.cpp result.cpp
     resultlistview.cpp resultlistviewtext.cpp
     rpnmuncher.cpp valuemanager.cpp dcopIface.skel
-    ${MPFR_SOURCES}
+    ${BF_SOURCES} ${MPFR_SOURCES}
   LINK kio-shared tdecore-shared tdeprint-shared tdeui-shared DCOP-shared ${MPFR_LIBRARIES}
   DESTINATION ${BIN_INSTALL_DIR}
 )
diff --git a/src/evaluator.cpp b/src/evaluator.cpp
index 71998cf..0bea1f3 100644
--- a/src/evaluator.cpp
+++ b/src/evaluator.cpp
@@ -22,7 +22,7 @@
 #include "evaluator.h"
 #include "function.h"
 #include "node.h" // For parser_yacc.hpp below
-#include "parser_yacc.hpp"
+#include "parser.h"
 
 #include <tqapplication.h>
 #include <tqmap.h>
diff --git a/src/lexer.ll b/src/lexer.ll
index f83b142..5e7d049 100644
--- a/src/lexer.ll
+++ b/src/lexer.ll
@@ -24,7 +24,7 @@
 
 #include "node.h"
 #include "function.h"
-#include "parser_yacc.hpp"
+#include "parser.h"
 #include "result.h"
 
 int yyCurTokenPos;
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 764c2aa..613f513 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -419,7 +419,7 @@ void MainWindow::loadConfig()
 
         TQStringList fnList = config.readListEntry("FunctionList");
         for(TQStringList::ConstIterator it = fnList.begin(); it != fnList.end(); ++it)
-            parseString(*it); // Run the function definitions through the parser
+            parseString((*it).ascii()); // Run the function definitions through the parser
     }
 
     populateListViews();
diff --git a/src/parser.yy b/src/parser.yy
index 4410843..b24dafb 100644
--- a/src/parser.yy
+++ b/src/parser.yy
@@ -148,7 +148,7 @@ S: SET FUNC ASSIGN EXP {
     if(manager->isFunction(funcName))
 	manager->removeFunction(funcName);
 
-    BaseFunction *newFn = new UserDefinedFunction(funcName, $4);
+    BaseFunction *newFn = new UserDefinedFunction(funcName.ascii(), $4);
     if(!manager->addFunction(newFn, ident)) {
 	TQString s(i18n("Unable to define function %1 because it is recursive.").tqarg(funcName));
 	Result::setLastResult(s);
@@ -170,7 +170,7 @@ S: SET IDENT ASSIGN EXP {
 
     // No need to check if the function is already defined, because the
     // lexer checked for us before returning the IDENT token.
-    BaseFunction *newFn = new UserDefinedFunction(funcName, $4);
+    BaseFunction *newFn = new UserDefinedFunction(funcName.ascii(), $4);
     FunctionManager::instance()->addFunction(newFn, ident);
 
     Result::setLastResult(Result::Null);