On Sun, Mar 17, 2013 at 12:57 AM, Ritvik Sharma <ritviksharma.nith at yahoo.in> wrote: > Also in the file mapi_tmp.h I am getting #include error for MAPI_ABI_HEADER. Look at how the Makefiles define MAPI_ABI_HEADER (e.g., in src/mapi/es2api/Makefile.am).