Re: [Plib-users] link plib into code on mac osx

[Frederic B. <fre...@fr...>]

Perhaps you included plib headers inside a " extern "C"  " clause, like=20
this :

extern "C" {
#include "plib/ul.h"
#include "plib/sg.h"
}

-Fred

Bernhard Windisch a =E9crit :

> Thanks for the immediate reply.
>
>> Bernhard Windisch wrote:
>>
>>> I have written a glut-application and compiled it on Mac OS X NOT=20
>>> using the project development tools but the g++ compiler.
>>> Now, I decided to design the user interface using pui but even just=20
>>> including the headerfile without actually using anything from the=20
>>> library creates real problems because the (standard) g++-3.3=20
>>> compiler doesn't recognise the plib files as C++ and is therefore=20
>>> not able to compile.
>>
>>
>> If it isn't able to compile your application with the PLIB headers in=20
>> them
>> then the problem is not how it recognises PLIB's files - but rather a=20
>> matter
>> of what language it thinks the application is written in...header=20
>> fines have
>> to match the language of the file they are included into.
>>
>
> It is completely right that the compiler doesn't recognise the=20
> language of pu.h. The problem is that the application IS indeed=20
> written in C++ and has been compiled using g++-3.3 without any=20
> problems as long as I don't include the header pu.h.
>
>
>> Could you send us the EXACT output from the compiler?
>
>
> Sure, here it is (though only the first few lines because the problem=20
> becomes evident and the whole takes up about ten pages...
>
> chopin:~/myProgs/MePSim/puiVersion1 bernhardwindisch$ make
> g++ -g -I/usr/include/gcc/darwin/3.3/c++ -c MePSim.C
> In file included from /usr/include/plib/sg.h:29,
>                  from /usr/include/plib/fnt.h:29,
>                  from /usr/include/plib/pu.h:28,
>                  from MePSim.C:9:
> /usr/include/plib/ul.h: In function `void ulEndianSwap(short unsigned=20
> int*)':
> /usr/include/plib/ul.h:336: error: declaration of C function `void
>    ulEndianSwap(short unsigned int*)' conflicts with
> /usr/include/plib/ul.h:327: error: previous declaration `void
>    ulEndianSwap(unsigned int*)' here
> /usr/include/plib/ul.h: In function `void ulEndianSwap(float*)':
> /usr/include/plib/ul.h:342: error: declaration of C function `void
>    ulEndianSwap(float*)' conflicts with
> /usr/include/plib/ul.h:336: error: previous declaration `void
>    ulEndianSwap(short unsigned int*)' here
> /usr/include/plib/ul.h: In function `void ulEndianSwap(unsigned int*)':
> /usr/include/plib/ul.h:342: error: cannot convert `unsigned int*' to=20
> `float*'
>    for argument `1' to `void ulEndianSwap(float*)'
> /usr/include/plib/ul.h: In function `void ulEndianSwap(int*)':
> /usr/include/plib/ul.h:343: error: declaration of C function `void
>    ulEndianSwap(int*)' conflicts with
> /usr/include/plib/ul.h:342: error: previous declaration `void
>    ulEndianSwap(float*)' here
> /usr/include/plib/ul.h: In function `void ulEndianSwap(short int*)':
> /usr/include/plib/ul.h:344: error: declaration of C function `void
>    ulEndianSwap(short int*)' conflicts with
> /usr/include/plib/ul.h:343: error: previous declaration `void
>    ulEndianSwap(int*)' here
> /usr/include/plib/ul.h: In function `unsigned int=20
> ulEndianLittle32(unsigned
>    int)':
> /usr/include/plib/ul.h:360: error: cannot convert `unsigned int*' to=20
> `short
>    int*' for argument `1' to `void ulEndianSwap(short int*)'
> /usr/include/plib/ul.h: In function `float ulEndianLittleFloat(float)':
> /usr/include/plib/ul.h:369: error: cannot convert `float*' to `short=20
> int*' for
>    argument `1' to `void ulEndianSwap(short int*)'
> /usr/include/plib/ul.h: In function `void=20
> ulEndianLittleArray32(unsigned int*,
>    int)':
> /usr/include/plib/ul.h:389: error: cannot convert `unsigned int*' to=20
> `short
>    int*' for argument `1' to `void ulEndianSwap(short int*)'
> /usr/include/plib/ul.h: In function `void=20
> ulEndianLittleArrayFloat(float*, int)
>    ':
> /usr/include/plib/ul.h:399: error: cannot convert `float*' to `short=20
> int*' for
>    argument `1' to `void ulEndianSwap(short int*)'
> /usr/include/plib/ul.h: In function `void ulEndianBigArray32(unsigned=20
> int*,
>    int)':
> /usr/include/plib/ul.h:419: error: cannot convert `unsigned int*' to=20
> `short
>    int*' for argument `1' to `void ulEndianSwap(short int*)'
> /usr/include/plib/ul.h: In function `void=20
> ulEndianBigArrayFloat(float*, int)':
> /usr/include/plib/ul.h:429: error: cannot convert `float*' to `short=20
> int*' for
>    argument `1' to `void ulEndianSwap(short int*)'
> /usr/include/plib/ul.h: In function `unsigned int=20
> ulEndianBig32(unsigned int)':
> /usr/include/plib/ul.h:447: error: cannot convert `unsigned int*' to=20
> `short
>    int*' for argument `1' to `void ulEndianSwap(short int*)'
> /usr/include/plib/ul.h: In function `float ulEndianBigFloat(float)':
> /usr/include/plib/ul.h:456: error: cannot convert `float*' to `short=20
> int*' for
>    argument `1' to `void ulEndianSwap(short int*)'
> In file included from /usr/include/plib/fnt.h:29,
>                  from /usr/include/plib/pu.h:28,
>                  from MePSim.C:9:
> /usr/include/plib/sg.h: In function `void sgMakeCoordMat4(float=20
> (*)[4], const
>    float*, const float*)':
> /usr/include/plib/sg.h:149: error: declaration of C function `void
>    sgMakeCoordMat4(float (*)[4], const float*, const float*)'=20
> conflicts with
> /usr/include/plib/sg.h:146: error: previous declaration `void
>    sgMakeCoordMat4(float (*)[4], float, float, float, float, float,=20
> float)'
>    here
> /usr/include/plib/sg.h: In function `void sgMakeCoordMat4(float=20
> (*)[4], const
>    float*, const float*)':
> /usr/include/plib/sg.h:151: error: cannot convert `const float' to `con=
st
>    float*' for argument `2' to `void sgMakeCoordMat4(float (*)[4], cons=
t
>    float*, const float*)'
> /usr/include/plib/sg.h: In function `void sgMakeCoordMat4(float=20
> (*)[4], const
>    sgCoord*)':
> /usr/include/plib/sg.h:155: error: declaration of C function `void
>    sgMakeCoordMat4(float (*)[4], const sgCoord*)' conflicts with
> /usr/include/plib/sg.h:149: error: previous declaration `void
>    sgMakeCoordMat4(float (*)[4], const float*, const float*)' here
> /usr/include/plib/sg.h: In function `void sgMakeCoordMat4(float=20
> (*)[4], const
>    float*, const float*)':
> /usr/include/plib/sg.h:156: error: cannot convert `const float*' to=20
> `const
>    sgCoord*' for argument `2' to `void sgMakeCoordMat4(float (*)[4],=20
> const
>    sgCoord*)'
> .
> .
> .
>
> I would be most grateful for any suggestions. Thanks again,