Discussion :

[mathieu57]

bonjour

je pense que ce problème revient souvent, en tout cas c'est ce que j'ai constaté en cherchant à résoudre mon problème...
j'ai esayé plusieurs procédure mais aucune ne fonctionne...

je veux utiliser wxwidget 2.8.4 avec MinGW sous Windows XP Pro
j'ai installé Mingw et mysys avec la version 3.2.3 de gcc

Mingw, Msys et wxwidget sont installés sur c:
la bib wxwidget est compilée.
j'ai défini une variable d'environnement

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WXWIN=C:\wxWidgets-2.8.4

Dans mon PATH j'ai mis

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C:\MinGW\bin;C:\MinGW\Msys\1.0\bin;C:\wxWidgets-2.8.4\include;

et donc voici mes 2 fichiers qui me permettent d'afficher une simple fenetre avec wxwidget:

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/********/
/*basic.h*/
/*******/
 
#ifndef BASIC_H
#define BASIC_H
 
class BasicApplication: public wxApp
{
	public:
		virtual bool OnInit();
};
 
class BasicFrame: public wxFrame
{
	public:
		BasicFrame(const wxChar *titile, int xpos, int ypos, int width, int height);
		~BasicFrame();
};
 
#endif

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/**********/
/*basic.cpp*/
/*********/
 
#include "basic.h"
#include <wx/wx.h>
 
IMPLEMENT_APP(BasicApplication)
 
bool Basicpplication::OnInit()
{
	BasicFrame *frame = new BasicFrame("Basic", 50, 50, 450, 300);
	frame->Show(TRUE);
	SetTopWindow(frame);
	return TRUE;
}
 
BasicFrame::BasicFrame(const wxChar *title, int xpos, int ypos intwidth, int height): 
					wxFrame((wxFrame *)NULL, -1, title, wxPoint(xpos, ypos), wxSize(widht, heigt))
{
}
 
BasicFrame::~BasicFrame()
{
}

et j'ai les erreurs suivantes:

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gcc -o basic basic.cpp basic.h
In file included from basic.cpp:5:
basic.h:9: parse error before `{' token
basic.h:15: parse error before `{' token
basic.h:18: destructors must be member functions
basic.h:19: parse error before `}' token
basic.cpp:6:19: wx/wx.h: No such file or directory
basic.cpp:10: ISO C++ forbids declaration of `IMPLEMENT_APP' with no type
basic.cpp: In function `int IMPLEMENT_APP(BasicApplication)':
basic.cpp:10: `<anonymous>' has incomplete type
basic.h:8: forward declaration of `class BasicApplication'
basic.cpp:10: parse error before `bool'
basic.cpp:10: syntax error before `::' token
basic.cpp:13: syntax error before `->' token
basic.cpp:14: `frame' undeclared (first use this function)
basic.cpp:14: (Each undeclared identifier is reported only once for each 
   function it appears in.)
basic.cpp:14: ISO C++ forbids declaration of `SetTopWindow' with no type
basic.cpp:15: parse error before `return'
basic.cpp:18: parse error before `*' token
basic.cpp:18: invalid use of undefined type `class BasicFrame'
basic.h:14: forward declaration of `class BasicFrame'
basic.cpp: In constructor `BasicFrame::BasicFrame(...)':
basic.cpp:19: `wxFrame' undeclared (first use this function)
basic.cpp:19: parse error before `)' token
basic.cpp:19: `xpos' undeclared (first use this function)
basic.cpp:19: `ypos' undeclared (first use this function)
basic.cpp:19: class `BasicFrame' does not have any field named `wxPoint'
basic.cpp:19: `widht' undeclared (first use this function)
basic.cpp:19: `heigt' undeclared (first use this function)
basic.cpp:19: class `BasicFrame' does not have any field named `wxSize'
basic.cpp:19: parse error before `)' token
basic.cpp:24: invalid use of undefined type `class BasicFrame'
basic.h:14: forward declaration of `class BasicFrame'
g++.exe: compilation of header file requested
make: *** [basic] Error 1

je pense que toutes ces erreurs viennent du fait que gcc ne trouve pas le fichier wx/wx.h
non ?
par contre je ne comprend pas pourquoi il ne le trouve pas, le PATH me parait correct...

est-ce que quelqu'un à une idée?
merci d'avance

[Sylvain Togni]

gcc -o basic basic.cpp basic.h

Attention, gcc c'est pour compiler du C. Pour du C++ c'est g++.

Aussi, seul les .cpp doivent être compilés, pas les .h.

[mathieu57]

merci, mais ca résoud pas mon problème de PATH ou de je sais pas quoi...

[mathieu57]

lorsque je fait

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g++ -o basic basic.cpp -I"C:/wxWidgets-2.8.4/include"

j'ai les erreurs suivantes:

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In file included from C:/wxWidgets-2.8.4/include/wx/defs.h:21,
                 from C:/wxWidgets-2.8.4/include/wx/wx.h:15,
                 from basic.cpp:5:
C:/wxWidgets-2.8.4/include/wx/platform.h:196:22: wx/setup.h: No such file or directory
In file included from C:/wxWidgets-2.8.4/include/wx/platform.h:279,
                 from C:/wxWidgets-2.8.4/include/wx/defs.h:21,
                 from C:/wxWidgets-2.8.4/include/wx/wx.h:15,
                 from basic.cpp:5:
C:/wxWidgets-2.8.4/include/wx/chkconf.h:98:9: #error "wxUSE_DYNLIB_CLASS must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:106:9: #error "wxUSE_EXCEPTIONS must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:114:9: #error "wxUSE_FILESYSTEM must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:122:9: #error "wxUSE_FS_ARCHIVE must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:135:9: #error "wxUSE_DYNAMIC_LOADER must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:143:9: #error "wxUSE_LOG must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:151:9: #error "wxUSE_LONGLONG must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:159:9: #error "wxUSE_MIMETYPE must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:175:9: #error "wxUSE_PRINTF_POS_PARAMS must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:183:9: #error "wxUSE_PROTOCOL must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:225:9: #error "wxUSE_REGEX must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:233:9: #error "wxUSE_STDPATHS must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:241:9: #error "wxUSE_XML must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:249:9: #error "wxUSE_SOCKETS must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:257:9: #error "wxUSE_STREAMS must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:265:9: #error "wxUSE_STOPWATCH must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:273:9: #error "wxUSE_TEXTBUFFER must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:281:9: #error "wxUSE_TEXTFILE must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:297:9: #error "wxUSE_URL must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:305:9: #error "wxUSE_VARIANT must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:325:9: #error "wxUSE_ABOUTDLG must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:333:9: #error "wxUSE_ACCEL must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:341:9: #error "wxUSE_ANIMATIONCTRL must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:349:9: #error "wxUSE_BITMAPCOMBOBOX must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:357:9: #error "wxUSE_BMPBUTTON must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:365:9: #error "wxUSE_BUTTON must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:373:9: #error "wxUSE_CALENDARCTRL must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:381:9: #error "wxUSE_CARET must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:389:9: #error "wxUSE_CHECKBOX must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:405:9: #error "wxUSE_CHOICE must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:413:9: #error "wxUSE_CHOICEBOOK must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:421:9: #error "wxUSE_CHOICEDLG must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:429:9: #error "wxUSE_CLIPBOARD must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:437:9: #error "wxUSE_COLLPANE must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:445:9: #error "wxUSE_COLOURDLG must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:453:9: #error "wxUSE_COLOURPICKERCTRL must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:461:9: #error "wxUSE_COMBOBOX must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:469:9: #error "wxUSE_COMBOCTRL must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:477:9: #error "wxUSE_DATAOBJ must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:485:9: #error "wxUSE_DATAVIEWCTRL must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:493:9: #error "wxUSE_DATEPICKCTRL must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:501:9: #error "wxUSE_DIRPICKERCTRL must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:509:9: #error "wxUSE_DISPLAY must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:517:9: #error "wxUSE_DOC_VIEW_ARCHITECTURE must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:525:9: #error "wxUSE_FILEDLG must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:533:9: #error "wxUSE_FILEPICKERCTRL must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:541:9: #error "wxUSE_FONTDLG must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:549:9: #error "wxUSE_FONTMAP must be defined."
 
C:/wxWidgets-2.8.4/include/wx/chkconf.h:557:9: #error "wxUSE_FONTPICKERCTRL must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:565:9: #error "wxUSE_GAUGE must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:573:9: #error "wxUSE_GRAPHICS_CONTEXT must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:582:9: #error "wxUSE_GRID must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:590:9: #error "wxUSE_HELP must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:598:9: #error "wxUSE_HYPERLINKCTRL must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:606:9: #error "wxUSE_HTML must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:627:9: #error "wxUSE_ICO_CUR must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:635:9: #error "wxUSE_IFF must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:643:9: #error "wxUSE_IMAGLIST must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:651:9: #error "wxUSE_JOYSTICK must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:659:9: #error "wxUSE_LISTBOOK must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:667:9: #error "wxUSE_LISTBOX must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:675:9: #error "wxUSE_LISTCTRL must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:683:9: #error "wxUSE_LOGGUI must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:691:9: #error "wxUSE_LOGWINDOW must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:699:9: #error "wxUSE_LOG_DIALOG must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:707:9: #error "wxUSE_MDI must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:715:9: #error "wxUSE_MDI_ARCHITECTURE must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:723:9: #error "wxUSE_MENUS must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:731:9: #error "wxUSE_MSGDLG must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:739:9: #error "wxUSE_NOTEBOOK must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:747:9: #error "wxUSE_ODCOMBOBOX must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:755:9: #error "wxUSE_PALETTE must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:763:9: #error "wxUSE_POPUPWIN must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:771:9: #error "wxUSE_PRINTING_ARCHITECTURE must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:779:9: #error "wxUSE_RADIOBOX must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:787:9: #error "wxUSE_RADIOBTN must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:795:9: #error "wxUSE_SASH must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:803:9: #error "wxUSE_SCROLLBAR must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:811:9: #error "wxUSE_SLIDER must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:819:9: #error "wxUSE_SOUND must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:827:9: #error "wxUSE_SPINBTN must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:835:9: #error "wxUSE_SPINCTRL must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:843:9: #error "wxUSE_SPLASH must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:851:9: #error "wxUSE_SPLITTER must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:859:9: #error "wxUSE_STATBMP must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:867:9: #error "wxUSE_STATBOX must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:875:9: #error "wxUSE_STATLINE must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:883:9: #error "wxUSE_STATTEXT must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:891:9: #error "wxUSE_STATUSBAR must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:899:9: #error "wxUSE_TAB_DIALOG must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:907:9: #error "wxUSE_TEXTCTRL must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:915:9: #error "wxUSE_TIPWINDOW must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:923:9: #error "wxUSE_TOOLBAR must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:931:9: #error "wxUSE_TOOLTIPS must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:939:9: #error "wxUSE_TREECTRL must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:947:9: #error "wxUSE_VALIDATORS must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:955:9: #error "wxUSE_WXHTML_HELP must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:963:9: #error "wxUSE_XRC must be defined."
C:/wxWidgets-2.8.4/include/wx/chkconf.h:1760:9: #error "wxMessageBox is always needed"
In file included from C:/wxWidgets-2.8.4/include/wx/region.h:222,
                 from C:/wxWidgets-2.8.4/include/wx/window.h:26,
                 from C:/wxWidgets-2.8.4/include/wx/wx.h:36,
                 from basic.cpp:5:
C:/wxWidgets-2.8.4/include/wx/msw/region.h: In constructor 
   `wxRegion::wxRegion(const wxBitmap&, const wxColour&, int)':
C:/wxWidgets-2.8.4/include/wx/msw/region.h:31: no matching function for call to 
   `wxRegion::Union(const wxBitmap&, const wxColour&, int&)'
C:/wxWidgets-2.8.4/include/wx/region.h:128: candidates are: bool 
   wxRegionBase::Union(int, int, int, int)
C:/wxWidgets-2.8.4/include/wx/region.h:130:                 bool 
   wxRegionBase::Union(const wxRect&)
C:/wxWidgets-2.8.4/include/wx/region.h:132:                 bool 
   wxRegionBase::Union(const wxRegion&)
basic.cpp: At global scope:
basic.cpp:12: syntax error before `::' token
basic.cpp:15: syntax error before `->' token
basic.cpp:16: `frame' was not declared in this scope
basic.cpp:16: ISO C++ forbids declaration of `SetTopWindow' with no type
basic.cpp:17: parse error before `return'
basic.cpp:20: parse error before `,' token
make: *** [basic] Error 1

il y a donc bien un prob de PATH ou de recherche de fichier d'en-tete...
par contre comment le résoudre et que signifient les nouvelles erreurs?

[Sylvain Togni]

Le fichier setup.h ne se trouve pas dans include/ mais quelque part dans lib/, il faut rajouter ce path.

[mathieu57]

pas de fichier setup.h dans le répoertoire 'lib' ou dans les sous répertoires...
par contre j'en ai un dans WXWIN\include\wx\msw, j'ai mis ce répertoire dans mon PATH pour tester mais quand je compile il me sort une tripoté d'erreur 'undefined reference' pour un tas de fonctions...