compilation error Mach-O

Hi I have a library that compile and work fine in PEF format under
codewarrior IDE 5.5 but now I have to compile that library in Mach-O
format (Linker Mac OS X PowerPC Mach-O).
In my project settings, I put these Access Paths:
{ Compiler}MacOS X Support
usr/include
usr/lib
{ Compiler}MSL/MSL_C
{ Compiler}MSL/MSL_C++

here the error I've got in compilation that I don't understand

Error : undefined identifier '__gnuc_va_list'
(included from:
expanding macro '__P'
streambuf.h:36
iostream.h:31
stl_alloc.h:49
alloc.h:21
std/bastring.h:39
string:6
DXOPropertyItem.h:9
DXOExif.h:8
LibDXOImage/DXOImage.h:9
LibDXOImageTools/DXOImageTools_Copy_Clear.h:5
LibDXOImageTools/DXOImageTools.h:6
LibMesureBruit/MesureBruit.h:121
LibClipping/Clipping.h:165
Clipping.cpp:4)
libio.h line 363 extern int _IO_vfscanf O_FILE *, char *,
__gnuc_va_list, int *);

Thanks for help

In article <4cc9a89e.0404280108.6628e88.RemoveThis@posting.google.com>,
maxime_phan.RemoveThis@hotmail.com (maxime) wrote:

 >Hi I have a library that compile and work fine in PEF format under
 >codewarrior IDE 5.5 but now I have to compile that library in Mach-O
 >format (Linker Mac OS X PowerPC Mach-O).
 >In my project settings, I put these Access Paths:
 >{ Compiler}MacOS X Support
 >usr/include
 >usr/lib
 >{ Compiler}MSL/MSL_C
 >{ Compiler}MSL/MSL_C++
 >
 >here the error I've got in compilation that I don't understand

What prefix file are you using? You are using the BSD C library so you
need to have a corresponding prefix file.

Ron

 >Error : undefined identifier '__gnuc_va_list'
 >(included from:
 > expanding macro '__P'
 > streambuf.h:36
 > iostream.h:31
 > stl_alloc.h:49
 > alloc.h:21
 > std/bastring.h:39
 > string:6
 > DXOPropertyItem.h:9
 > DXOExif.h:8
 > LibDXOImage/DXOImage.h:9
 > LibDXOImageTools/DXOImageTools_Copy_Clear.h:5
 > LibDXOImageTools/DXOImageTools.h:6
 > LibMesureBruit/MesureBruit.h:121
 > LibClipping/Clipping.h:165
 > Clipping.cpp:4)
 >libio.h line 363 extern int _IO_vfscanf O_FILE *, char *,
 >__gnuc_va_list, int *);
 >
 >Thanks for help

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