Seems like I forgot the patch.
Dynamically allocate a path instead of using MAXPATHLEN.
--- clisp-2.49+hg.2015.05.31.orig/modules/syscalls/calls.c +++ clisp-2.49+hg.2015.05.31/modules/syscalls/calls.c @@ -5872,12 +5872,15 @@ void module__syscalls__init_function_2 ( /* if DATEMSK is not set, set it to the clisp-supplied value */ if (NULL == getenv("DATEMSK")) { with_string_0(physical_namestring(GLO(lib_dir)),GLO(pathname_encoding),ldz,{ - char datemsk[MAXPATHLEN]; + /* use enough space for datemsk */ + const size_t datemsk_len = ldz_len + 1 + strlen("/syscalls/datemsk"); + char *datemsk = malloc(sizeof(char) * datemsk_len); strcpy(datemsk,ldz); if (ldz[ldz_len-1] == '/') strcat(datemsk,"syscalls/datemsk"); else strcat(datemsk,"/syscalls/datemsk"); setenv("DATEMSK",datemsk,0); + free(datemsk); }); } }