Installation on Yosemite

Hello,=20

I have problems installing rcs-5.9.4.  After configuration, the make =
process exits with an error.  The first line where the trouble occurs =
are:=20

=
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolc=
hain/usr/bin/ranlib: file: libgnu.a(getcwd-lgpl.o) has no symbols
In file included from b-anchor.c:21:0:
base.h: In function =E2=80=98unexpected_EOF=E2=80=99:
base.h:758:3: error: =E2=80=98_Noreturn=E2=80=99 in empty declaration
   exiting;
   ^
base.h:44:18: warning: empty declaration
 #define exiting  _Noreturn
                  ^

I greatly would appreciate any help=20

Pia=