The situation is just as follows: {----------- begin --------------} [ja@unicorn ja]$ cat test.pas program test; begin writeln('Hello World'); readln; end. [ja@unicorn ja]$ gpc test.pas /usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.2.2/libgpc.a(rts.o)(.text+0x595): In function `_p_UpCase': /home/frank/gpc/gcc-3.2.2/gcc/p/rts/rts.c:897: undefined reference to `__ctype_toupper' /usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.2.2/libgpc.a(rts.o)(.text+0x5b5): In function `_p_LoCase': /home/frank/gpc/gcc-3.2.2/gcc/p/rts/rts.c:904: undefined reference to `__ctype_tolower' /usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.2.2/libgpc.a(rts.o)(.text+0x5d4): In function `_p_IsUpCase': /home/frank/gpc/gcc-3.2.2/gcc/p/rts/rts.c:909: undefined reference to `__ctype_b' /usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.2.2/libgpc.a(rts.o)(.text+0x5f4): In function `_p_IsLoCase': /home/frank/gpc/gcc-3.2.2/gcc/p/rts/rts.c:914: undefined reference to `__ctype_b' /usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.2.2/libgpc.a(rts.o)(.text+0x614): In function `_p_IsAlpha': /home/frank/gpc/gcc-3.2.2/gcc/p/rts/rts.c:919: undefined reference to `__ctype_b' /usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.2.2/libgpc.a(rts.o)(.text+0x654): In function `_p_IsAlphaNum': /home/frank/gpc/gcc-3.2.2/gcc/p/rts/rts.c:924: undefined reference to `__ctype_b' /usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.2.2/libgpc.a(rts.o)(.text+0x6c4): In function `_p_IsSpace': /home/frank/gpc/gcc-3.2.2/gcc/p/rts/rts.c:934: undefined reference to `__ctype_b' /usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.2.2/libgpc.a(rts.o)(.text+0x6e4):/home/frank/gpc/gcc-3.2.2/gcc/p/rts/rts.c:939: more undefined references to `__ctype_b' follow collect2: ld returned 1 exit status [ja@unicorn ja]$ { -------------------- end ---------------------- } Operating system: Fedora Core 1 GPC - release: binary, gpc-20030830-with-gcc.i686-pc-linux-gnu.tar.gz - probably not important, because there were similar messages with other versions. I've only tried binary, because i can't compile the source, there is a "command not found" message.