3 files changed, 4 insertions, 2 deletions
diff --git a/lexer.l b/lexer.l
index ebba5c0..20111e6 100644
--- a/lexer.l
+++ b/lexer.l
@@ -23,6 +23,8 @@
 #include "openscad.h"
 #include "parser_yacc.h"
 
+int lexerget_lineno(void);
+
 %}
 
 %option yylineno
diff --git a/openscad.pro b/openscad.pro
index 274f886..bf335d9 100644
--- a/openscad.pro
+++ b/openscad.pro
@@ -2,7 +2,7 @@
 CONFIG += qt
 TEMPLATE = app
 
-LIBS += -lCGAL
+LIBS += -lCGAL -lmpfr
 
 LEXSOURCES += lexer.l
 YACCSOURCES += parser.y
diff --git a/viewoff.cc b/viewoff.cc
index bfc0b78..2b45e20 100644
--- a/viewoff.cc
+++ b/viewoff.cc
@@ -1,5 +1,5 @@
 
-// g++ -o viewoff -lCGAL -lCGAL_Qt3 -I/opt/qt3/include/ -L/opt/qt3/lib/ -lqt viewoff.cc
+// g++ -o viewoff -lCGAL -lCGAL_Qt3 -lmpfr -I/opt/qt3/include/ -L/opt/qt3/lib/ -lqt viewoff.cc
 
 #include <CGAL/Cartesian.h>
 #include <CGAL/IO/Nef_polyhedron_iostream_3.h>