Factor out the code to find gcc, and add a command-line option to override the default executable name. This should help cross-compilation by allowing a cross-gcc to be specified from the configuration file instead of only through the CC environment variable.

#ifndef LDC_GEN_TYPEINF_H
#define LDC_GEN_TYPEINF_H

void DtoResolveTypeInfo(TypeInfoDeclaration* tid);
void DtoDeclareTypeInfo(TypeInfoDeclaration* tid);
void DtoConstInitTypeInfo(TypeInfoDeclaration* tid);

#endif