some error about Cocentric SystemC Compiler!!!! For help!!!

hi:
Firstly,thanks to your reading my topic!
when i systhesis my project with Cocentric SystemC Compiler,the error
it is showed as follow:
Error at /usr/local/lib/gcc-lib/sparc-sun-solaris2.7/3.1.1/include/stdarg.h:43: Syntax error near `__builtin_va_list' (SCC-10)
Error at /usr/local/lib/gcc-lib/sparc-sun-solaris2.7/3.1.1/include/stdio.h:311: Symbol `__gnuc_va_list' is not defined (SCC-8)
Error at /usr/local/lib/gcc-lib/sparc-sun-solaris2.7/3.1.1/include/stdio.h:312: Symbol `__gnuc_va_list' is not defined (SCC-8)
Error at /usr/local/lib/gcc-lib/sparc-sun-solaris2.7/3.1.1/include/stdio.h:316: Symbol `__gnuc_va_list' is not defined (SCC-8)
Error at /usr/local/lib/gcc-lib/sparc-sun-solaris2.7/3.1.1/include/stdio.h:318: Symbol `__gnuc_va_list' is not defined (SCC-8)
Error: `/cds/SYN/sparc64/syn/bin/compile_systemc' command did not successfully complete

can anybody help me!!