CGAL users discussion list

[Mahmood Naderan <>]

>I m using CGAL3.3.1 + QT 3.3.8. when i built the demo Qt_widget/ 
>standard_toolbar.vcproj, it comes these >errors: 

Did you add "cgalqt.lib", "qtmain.lib" and "qt-mt.lib" in "project 
properties->linker->input" section?

-------------------
Mahmood Naderan
http://ce.sharif.edu/~m_naderan





----- Original Message ---- 
From: Justin 
<>
 
To: 

 
Sent: Monday, March 17, 2008 10:23:41 PM 
Subject: [cgal-discuss] Problems with CGAL3+QT3 

Dear all, 

I m using CGAL3.3.1 + QT 3.3.8. when i built the demo Qt_widget/ 
standard_toolbar.vcproj, it comes these errors: 





c:\Program Files\CGAL-3.3.1\include\CGAL\float.h(133): warning C4244: 
'return' : conversion from 'double' to 
'CGAL::Algebraic_structure_traits_base<Type,Algebra_type>::Type', possible 
loss of data 
with 
[ 
Type=float, 
Algebra_type=CGAL::Field_with_kth_root_tag 
] 
standard_toolbar error LNK2005: "public: __thiscall QString::~QString(void)" 
(??1QString@@QAE@XZ)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "public: virtual void __thiscall 
QWidget::setGeometry(class QRect const &)" 
(?setGeometry@QWidget@@UAEXABVQRect@@@Z)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "public: int __thiscall 
QRect::width(void)const " 
(?width@QRect@@QBEHXZ)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "public: int __thiscall 
QRect::height(void)const " 
(?height@QRect@@QBEHXZ)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "protected: virtual void __thiscall 
QWidget::setWState(unsigned int)" 
(?setWState@QWidget@@MAEXI@Z)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "protected: virtual void __thiscall 
QWidget::setWFlags(unsigned int)" 
(?setWFlags@QWidget@@MAEXI@Z)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "public: class QColor const & __thiscall 
QPen::color(void)const " 
(?color@QPen@@QBEABVQColor@@XZ)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "public: class QPen const & __thiscall 
QPainter::pen(void)const " 
(?pen@QPainter@@QBEABVQPen@@XZ)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "public: class QBrush const & __thiscall 
QPainter::brush(void)const " 
(?brush@QPainter@@QBEABVQBrush@@XZ)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "int __cdecl qstrcmp(char const *,char const 
*)" 
(?qstrcmp@@YAHPBD0@Z)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "public: int __thiscall 
QMetaObject::slotOffset(void)const " 
(?slotOffset@QMetaObject@@QBEHXZ)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "public: __thiscall QString::~QString(void)" 
(??1QString@@QAE@XZ)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "public: virtual void __thiscall 
QWidget::setGeometry(class QRect const &)" 
(?setGeometry@QWidget@@UAEXABVQRect@@@Z)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "public: int __thiscall 
QRect::width(void)const " 
(?width@QRect@@QBEHXZ)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "public: int __thiscall 
QRect::height(void)const " 
(?height@QRect@@QBEHXZ)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "protected: virtual void __thiscall 
QWidget::setWState(unsigned int)" 
(?setWState@QWidget@@MAEXI@Z)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "protected: virtual void __thiscall 
QWidget::setWFlags(unsigned int)" 
(?setWFlags@QWidget@@MAEXI@Z)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "public: class QRect const & __thiscall 
QWidget::geometry(void)const " 
(?geometry@QWidget@@QBEABVQRect@@XZ)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "public: class QPen const & __thiscall 
QPainter::pen(void)const " 
(?pen@QPainter@@QBEABVQPen@@XZ)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "public: class QBrush const & __thiscall 
QPainter::brush(void)const " 
(?brush@QPainter@@QBEABVQBrush@@XZ)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "int __cdecl qstrcmp(char const *,char const 
*)" 
(?qstrcmp@@YAHPBD0@Z)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "public: int __thiscall 
QMetaObject::slotOffset(void)const " 
(?slotOffset@QMetaObject@@QBEHXZ)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "int __cdecl qstrcmp(char const *,char const 
*)" 
(?qstrcmp@@YAHPBD0@Z)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "public: int __thiscall 
QMetaObject::slotOffset(void)const " 
(?slotOffset@QMetaObject@@QBEHXZ)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "int __cdecl qstrcmp(char const *,char const 
*)" 
(?qstrcmp@@YAHPBD0@Z)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar error LNK2005: "public: int __thiscall 
QMetaObject::slotOffset(void)const " 
(?slotOffset@QMetaObject@@QBEHXZ)
 already defined in qt-mt3.lib(qt-mt3.dll) 
standard_toolbar warning LNK4098: defaultlib 'msvcrt.lib' conflicts with use 
of other libs; use /NODEFAULTLIB:library 
standard_toolbar error LNK2001: unresolved external symbol "struct QUType_int 
static_QUType_int" (?static_QUType_int@@3UQUType_int@@A) 
standard_toolbar error LNK2001: unresolved external symbol "struct QUType_int 
static_QUType_int" (?static_QUType_int@@3UQUType_int@@A) 
standard_toolbar error LNK2001: unresolved external symbol "private: static 
struct QStringData * QString::shared_null" 
(?shared_null@QString@@0PAUQStringData@@A)
 
standard_toolbar error LNK2001: unresolved external symbol "private: static 
struct QStringData * QString::shared_null" 
(?shared_null@QString@@0PAUQStringData@@A)
 
standard_toolbar error LNK2001: unresolved external symbol "public: static 
class QColor & Qt::green" 
(?green@Qt@@2AAVQColor@@A)
 
standard_toolbar error LNK2001: unresolved external symbol "public: static 
class QCursor & Qt::crossCursor" 
(?crossCursor@Qt@@2AAVQCursor@@A)
 
standard_toolbar error LNK2001: unresolved external symbol "class 
QApplication * qApp" (?qApp@@3PAVQApplication@@A) 
standard_toolbar error LNK2001: unresolved external symbol "class 
QApplication * qApp" (?qApp@@3PAVQApplication@@A) 
standard_toolbar error LNK2001: unresolved external symbol "class 
QApplication * qApp" (?qApp@@3PAVQApplication@@A) 
standard_toolbar error LNK2001: unresolved external symbol "class 
QApplication * qApp" (?qApp@@3PAVQApplication@@A) 
standard_toolbar error LNK2001: unresolved external symbol "struct QUType_ptr 
static_QUType_ptr" (?static_QUType_ptr@@3UQUType_ptr@@A) 
standard_toolbar error LNK2001: unresolved external symbol "struct QUType_ptr 
static_QUType_ptr" (?static_QUType_ptr@@3UQUType_ptr@@A) 
standard_toolbar error LNK2001: unresolved external symbol "struct 
QUType_bool static_QUType_bool" (?static_QUType_bool@@3UQUType_bool@@A) 
standard_toolbar error LNK2001: unresolved external symbol "struct 
QUType_bool static_QUType_bool" (?static_QUType_bool@@3UQUType_bool@@A) 
standard_toolbar error LNK2001: unresolved external symbol "struct 
QUType_bool static_QUType_bool" (?static_QUType_bool@@3UQUType_bool@@A) 
standard_toolbar error LNK2001: unresolved external symbol "public: static 
class QColor & Qt::black" 
(?black@Qt@@2AAVQColor@@A)
 
standard_toolbar error LNK2001: unresolved external symbol "public: static 
class QColor & Qt::white" 
(?white@Qt@@2AAVQColor@@A)
 
standard_toolbar error LNK2001: unresolved external symbol "struct 
QUType_Null static_QUType_Null" (?static_QUType_Null@@3UQUType_Null@@A) 
standard_toolbar error LNK2001: unresolved external symbol "struct 
QUType_Null static_QUType_Null" (?static_QUType_Null@@3UQUType_Null@@A) 
standard_toolbar fatal error LNK1120: 10 unresolved externals 


anyone knows how to deal with it? 

Many thanks!! 

Best, 
Justin


      
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