dev-cpp-users Mailing List for Dev-C++

P.D. van Zelst wrote:
> The later "full package" releases include the 3.2 compiler... I suppose you
> haven't downloaded a full package in a long time :P

Actually, I NEVER downloaded a full package, just the IDE :)

But if you read again, you'll see that I wrote, that Dev-C++ uses 2.95 
*features* and *tools*, by which I meant, that though GCC 3.2 contains 
dllwrap, and other things for backward compatibility, those are still 
considered outdated, and the new ways of compiling should be used. Even 
the latest full package of Dev-C++ still uses dllwrap.
Which is slow and old. :P

--
Greetings,
   Balázs

Dear Users,

   I need to build some pictures on the screen and it must be in a DOS
window program (Console Application).
   I can use the Borland compilers that still support
graphics.h (line, clearviewport, circle, etc, etc, etc).

   -->Is there any library in Dev/gcc that gives me the same functions?
   -->If don´t, can I link in only one executabele file a borland .obj
file with anothers gcc .o files?

   Regards
   Andre

A couple of questions.
=20
Is there a way to rebuild the library cache?  It crashed the first time =
I started the application after upgrading. It also doesn't appear to be =
completing code.  Is there a snippet of code that I can use to test the =
code completion features?
=20
I downloaded many of the available packages.  Is there an interface to =
access the new items through the application or do you have to find them =
in the application directory?

Sincerely,=20
Glenn Welker=20
Director of Product Development=20
MRH Technology Group=20

=20

See void* as a pointer of unknown type. If you do

char *charptr;
void *voidptr = xx;

charptr = (char*)voidptr;

then you tell the compiler that you know for sure that the typeless
voidptr is actually ok to treat as a pointer to char.

/Per W

On Fri, 31 Oct 2003, EXT-Meyer, Robert J wrote:

> When compiling tutorial examples, I keep getting 'invalid conversion from' errors. What do they mean?
>
> For example 'invalid conversion from 'void*' to 'CHAR*'
>
> or 'invalid conversion from 'void*' to 'HFONT__*' occuring on this piece of code under WndProc:
>
> 		case WM_CREATE:
> 		{
> 			HFONT hfDefault;
> 			HWND hEdit;
>
> 			hEdit = CreateWindowEx(WS_EX_CLIENTEDGE, "EDIT", "",
> 				WS_CHILD | WS_VISIBLE | WS_VSCROLL | WS_HSCROLL | ES_MULTILINE | ES_AUTOVSCROLL | ES_AUTOHSCROLL,
> 				0, 0, 100, 100, hwnd, (HMENU)IDC_MAIN_EDIT, GetModuleHandle(NULL), NULL);
> 			if(hEdit == NULL)
> 				MessageBox(hwnd, "Could not create edit box.", "Error", MB_OK | MB_ICONERROR);
>
> 			hfDefault = GetStockObject(DEFAULT_GUI_FONT);
> 			SendMessage(hEdit, WM_SETFONT, (WPARAM)hfDefault, MAKELPARAM(FALSE, 0));
> 		}
> 		break;
>
> Thanks for any suggestions,
>
> Rob
>
>
>
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The later "full package" releases include the 3.2 compiler... I suppose =
you
haven't downloaded a full package in a long time :P
=20

-----Original Message-----
From: dev...@li...
[mailto:dev...@li...] On Behalf Of OROSZI
Bal=E1zs
Sent: Friday, October 31, 2003 2:53 PM
To: dev...@li...
Subject: Re: [Dev-C++] about gcc

mctimes wrote:
> Hi all,
>   The current release of devcpp is only support gcc 3.2. However, the=20
> newest version of gcc is 3.3.x. Accordingly to the documentation of=20
> gcc, some new features will only found on 3.3.x, I wonder why devcpp=20
> don't upgrade the compiler to the new version ????

Actually, Dev-C++ uses GCC 2.95 features and tools (like dllwrap), which =
is
heavily outdated. I really think too, that Dev-C++ *should* upgrade to =
the
latest (at LEAST 3.2) version of GCC.

--
Greetings,
   Bal=E1zs




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When compiling tutorial examples, I keep getting 'invalid conversion =
from' errors. What do they mean?

For example 'invalid conversion from 'void*' to 'CHAR*'

or 'invalid conversion from 'void*' to 'HFONT__*' occuring on this piece =
of code under WndProc:

		case WM_CREATE:
		{
			HFONT hfDefault;
			HWND hEdit;

			hEdit =3D CreateWindowEx(WS_EX_CLIENTEDGE, "EDIT", "",=20
				WS_CHILD | WS_VISIBLE | WS_VSCROLL | WS_HSCROLL | ES_MULTILINE | =
ES_AUTOVSCROLL | ES_AUTOHSCROLL,=20
				0, 0, 100, 100, hwnd, (HMENU)IDC_MAIN_EDIT, GetModuleHandle(NULL), =
NULL);
			if(hEdit =3D=3D NULL)
				MessageBox(hwnd, "Could not create edit box.", "Error", MB_OK | =
MB_ICONERROR);

			hfDefault =3D GetStockObject(DEFAULT_GUI_FONT);
			SendMessage(hEdit, WM_SETFONT, (WPARAM)hfDefault, MAKELPARAM(FALSE, =
0));
		}
		break;

Thanks for any suggestions,

Rob

mctimes wrote:
> Hi all,
>   The current release of devcpp is only support gcc 3.2. However, the
> newest version of gcc is 3.3.x. Accordingly to the documentation of gcc,
> some new features will only found on 3.3.x, I wonder why devcpp don't
> upgrade the compiler to the new version ????

Actually, Dev-C++ uses GCC 2.95 features and tools (like dllwrap), which 
is heavily outdated. I really think too, that Dev-C++ *should* upgrade 
to the latest (at LEAST 3.2) version of GCC.

--
Greetings,
   Balázs

It normally doesn't help you to know about different scheduling
algorithms, since your OS will perform the scheduling for you.

About scheduling, there are a large number of good books. Look for
operating system internals or similar as keywords.

/Per W

On Fri, 31 Oct 2003, Smitha V. Babu wrote:

> hi all..
> I want to get some guidelines to meet my following requirement...
> I want to know abt the differnt types of sheduling algorithms used in real
> time systems...
> Instead of using the pthread concept...
> i want to use some other concept...
> Can anyone help me ..Can anyone give me guidelines...
> I am grateful to the earlier help get from this group....
> Thanks in advance..
> Sincerly
> smitha
> *********************************************************************
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>
>
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Try adding -lstdc++ to link with standard c++ libraries.

/Per W


On Fri, 31 Oct 2003, Guillermo Krepper wrote:

> Hi Per,
>
> yes in fact I was making a mistake with the linker, so I added
> "-lmySQL" and allso compiled the example, and this is what I get:
>
> -------------
> Compiler: Default compiler
> Building Makefile:
> "C:\Dev-Cpp\Examples\MySQLClientTest\Makefile.win"
> Executing  make...
> make.exe -f "C:\Dev-Cpp\Examples\MySQLClientTest\Makefile.win"
> all
> g++.exe -c MySQLClientTest.cpp -o MySQLClientTest.o
> -I"C:/Dev-Cpp/include/c++"  -I"C:/Dev-Cpp/include/c++/mingw32"
> -I"C:/Dev-Cpp/include/c++/backward"  -I"C:/Dev-Cpp/include"
> gcc.exe MySQLClientTest.o  -o "MySQLClientTest.exe"
> -L"C:/Dev-Cpp/lib" -lmySQL
> MySQLClientTest.o(.eh_frame+0x11):MySQLClientTest.cpp: undefined
> reference to `__gxx_personality_v0'
> make.exe: *** [MySQLClientTest.exe] Error 1
> Execution terminated
> -----------------
>
> Could this be a problem caused by the warning in
> http://www.bloodshed.net/dev/devcpp.html?
>
> " /!\ WARNING /!\ : Due to changes in the C++ ABI in GCC 3.2,
> some of the available Dev-C++ Packages for the C++ language will
> not work. Please read this for more information. "
>
>
>
>  --- Per Westermark <pw...@ia...> escribi=F3: > Where did
> you inform DevC++ that you wanted to link your
> > application with
> > the mysql library? From the compiler output, you can see where
> > the linker
> > looks for libraries (-L"C:/Dev-Cpp/lib"). However, that is not
> > enough. You
> > also have to tell it which extra libraries you need, such as
> > -lmySQL.
> >
> > Did you try c:\Dev-Cpp\Examples\MySQLClientTest?
> >
> > /Per W
> >
> > On Wed, 29 Oct 2003, Guillermo Krepper wrote:
> >
> > > Hi,
> > > =09I=B4m just starting to do some tests with MySQL, downloaded
> > and
> > > installed the Dev Pack. When I compile a simple test
> > application I get
> > > this link error.
> > > Need some advise, thanks.
> > >
> > > ----------
> > > Compiler: Default compiler
> > > Building Makefile: "D:\Dev\C++\sql\Makefile.win"
> > > Executing  make...
> > > make.exe -f "D:\Dev\C++\sql\Makefile.win" all
> > > g++.exe -c main.cpp -o main.o -I"C:/Dev-Cpp/include/c++"
> > > -I"C:/Dev-Cpp/include/c++/mingw32"
> > -I"C:/Dev-Cpp/include/c++/backward"
> > > -I"C:/Dev-Cpp/include"
> > > g++.exe main.o  -o "testSQL.exe" -L"C:/Dev-Cpp/lib"
> > > main.o(.text+0xfc):main.cpp: undefined reference to
> > `mysql_init@4'
> > > make.exe: *** [testSQL.exe] Error 1
> > > Execution terminated
> > > ----------
> > >
> > >
> > >
> > >
> > >
> > > -------------------------------------------------------
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> > >
> >
> >
> >
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> ___________________________________________________
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>
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hi all..
I want to get some guidelines to meet my following requirement...
I want to know abt the differnt types of sheduling algorithms used in real
time systems...
Instead of using the pthread concept... 
i want to use some other concept...
Can anyone help me ..Can anyone give me guidelines...
I am grateful to the earlier help get from this group....
Thanks in advance..
Sincerly
smitha
*********************************************************************
Disclaimer: The information in this e-mail and any attachments is
confidential / privileged. It is intended solely for the addressee or
addressees. If you are not the addressee indicated in this message, you may
not copy or deliver this message to anyone. In such case, you should destroy
this message and kindly notify the sender by reply email. Please advise
immediately if you or your employer does not consent to Internet email for
messages of this kind.
*********************************************************************

Hi Per, 

yes in fact I was making a mistake with the linker, so I added
"-lmySQL" and allso compiled the example, and this is what I get:

-------------
Compiler: Default compiler
Building Makefile:
"C:\Dev-Cpp\Examples\MySQLClientTest\Makefile.win"
Executing  make...
make.exe -f "C:\Dev-Cpp\Examples\MySQLClientTest\Makefile.win"
all
g++.exe -c MySQLClientTest.cpp -o MySQLClientTest.o
-I"C:/Dev-Cpp/include/c++"  -I"C:/Dev-Cpp/include/c++/mingw32" 
-I"C:/Dev-Cpp/include/c++/backward"  -I"C:/Dev-Cpp/include"  
gcc.exe MySQLClientTest.o  -o "MySQLClientTest.exe"
-L"C:/Dev-Cpp/lib" -lmySQL 
MySQLClientTest.o(.eh_frame+0x11):MySQLClientTest.cpp: undefined
reference to `__gxx_personality_v0'
make.exe: *** [MySQLClientTest.exe] Error 1
Execution terminated
-----------------

Could this be a problem caused by the warning in
http://www.bloodshed.net/dev/devcpp.html?

" /!\ WARNING /!\ : Due to changes in the C++ ABI in GCC 3.2,
some of the available Dev-C++ Packages for the C++ language will
not work. Please read this for more information. "



 --- Per Westermark <pw...@ia...> escribió: > Where did
you inform DevC++ that you wanted to link your
> application with
> the mysql library? From the compiler output, you can see where
> the linker
> looks for libraries (-L"C:/Dev-Cpp/lib"). However, that is not
> enough. You
> also have to tell it which extra libraries you need, such as
> -lmySQL.
> 
> Did you try c:\Dev-Cpp\Examples\MySQLClientTest?
> 
> /Per W
> 
> On Wed, 29 Oct 2003, Guillermo Krepper wrote:
> 
> > Hi,
> > 	I´m just starting to do some tests with MySQL, downloaded
> and
> > installed the Dev Pack. When I compile a simple test
> application I get
> > this link error.
> > Need some advise, thanks.
> >
> > ----------
> > Compiler: Default compiler
> > Building Makefile: "D:\Dev\C++\sql\Makefile.win"
> > Executing  make...
> > make.exe -f "D:\Dev\C++\sql\Makefile.win" all
> > g++.exe -c main.cpp -o main.o -I"C:/Dev-Cpp/include/c++"
> > -I"C:/Dev-Cpp/include/c++/mingw32" 
> -I"C:/Dev-Cpp/include/c++/backward"
> > -I"C:/Dev-Cpp/include"
> > g++.exe main.o  -o "testSQL.exe" -L"C:/Dev-Cpp/lib"
> > main.o(.text+0xfc):main.cpp: undefined reference to
> `mysql_init@4'
> > make.exe: *** [testSQL.exe] Error 1
> > Execution terminated
> > ----------
> >
> >
> >
> >
> >
> > -------------------------------------------------------
> > This SF.net email is sponsored by: SF.net Giveback Program.
> > Does SourceForge.net help you be more productive?  Does it
> > help you create better code?   SHARE THE LOVE, and help us
> help
> > YOU!  Click Here: http://sourceforge.net/donate/
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> > Dev-cpp-users mailing list
> > Dev...@li...
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> >
> 
> 
> 
> -------------------------------------------------------
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___________________________________________________
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Change to NT/2k/XP to get longer command lines.
Check if you can move source and/or include files to get shorter paths.

/Per W

On Fri, 31 Oct 2003, Xavier WARIN(Compte LOCAL) - I23 wrote:

> Hi ,
>
> I try to use  DevCpp to compile some code coming from Linux , and being
> port with VC7. Everything fine except during the link.
> It is said that my command line is too long while linking ?
> Do you know if there is some option or workaround for this problem ?
> Thank you.
>
>
>
> -------------------------------------------------------
> This SF.net email is sponsored by: SF.net Giveback Program.
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> _______________________________________________
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>

Hi ,

I try to use  DevCpp to compile some code coming from Linux , and being 
port with VC7. Everything fine except during the link.
It is said that my command line is too long while linking ?
Do you know if there is some option or workaround for this problem ?
Thank you.

----- Original Message -----
From: "Paul Surgeon" <su...@po...>
To: <dev...@li...>
Sent: Thursday, October 30, 2003 8:50 PM
Subject: [Dev-C++] Version info


> Is there anyway to include the version info (in the project options) into
my
> code at compile time?
>
> i.e.
> I want my application's title bar to contain the major,minor and build
> number.
> Are there any special preprocessor directives that I can use?
>

You should include file
<projectname>_private.h

There are defined (#define) consts about major, minor and build number

for example:

#define VER_STRING "0.0.0.37"
#define VER_MAJOR 0
#define VER_MINOR 0
#define VER_RELEASE 0
#define VER_BUILD 37



> It's a pain having to copy it every time I do a build and it's too easy to
> forget
> to update.
>
> Thanks
> Paul

Greetings
Collins



>
>
>
> -------------------------------------------------------
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Hi all,
  The current release of devcpp is only support gcc 3.2. However, the
newest version of gcc is 3.3.x. Accordingly to the documentation of gcc,
some new features will only found on 3.3.x, I wonder why devcpp don't
upgrade the compiler to the new version ????