Hi Jon, Thank you very much! I run configure in directory /usr/people/chb/readline-5.1. I installed in the default directory( only using "./configure). The transcript of configure is: checking build system type... mips-sgi-irix6.5 checking host system type... mips-sgi-irix6.5 Beginning configuration for readline-5.1 for mips-sgi-irix6.5 checking whether make sets $(MAKE)... yes checking for gcc... no checking for cc... cc checking for C compiler default output file name... a.out checking whether the C compiler works... yes checking whether we are cross compiling... no checking for suffix of executables... checking for suffix of object files... o checking whether we are using the GNU C compiler... no checking whether cc accepts -g... yes checking for cc option to accept ANSI C... none needed checking how to run the C preprocessor... cc -E checking for egrep... grep -E checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking minix/config.h usability... no checking minix/config.h presence... no checking for minix/config.h... no checking for a BSD-compatible install... ./support/install.sh -c checking for ar... ar checking for ranlib... : checking for an ANSI C-conforming const... yes checking for function prototypes... yes checking whether char is unsigned... yes checking return type of signal handlers... void checking for size_t... yes checking for ssize_t... yes checking for ANSI C header files... (cached) yes checking whether stat file-mode macros are broken... no checking for dirent.h that defines DIR... yes checking for library containing opendir... none required checking for fcntl... yes checking for kill... yes checking for lstat... yes checking for memmove... yes checking for putenv... yes checking for select... yes checking for setenv... no checking for setlocale... yes checking for strcasecmp... yes checking for strpbrk... yes checking for tcgetattr... yes checking for vsnprintf... yes checking for isascii... yes checking for isxdigit... yes checking for getpwent... yes checking for getpwnam... yes checking for getpwuid... yes checking for working strcoll... yes checking fcntl.h usability... yes checking fcntl.h presence... yes checking for fcntl.h... yes checking for unistd.h... (cached) yes checking for stdlib.h... (cached) yes checking varargs.h usability... yes checking varargs.h presence... yes checking for varargs.h... yes checking stdarg.h usability... yes checking stdarg.h presence... yes checking for stdarg.h... yes checking for string.h... (cached) yes checking for strings.h... (cached) yes checking limits.h usability... yes checking limits.h presence... yes checking for limits.h... yes checking locale.h usability... yes checking locale.h presence... yes checking for locale.h... yes checking pwd.h usability... yes checking pwd.h presence... yes checking for pwd.h... yes checking for memory.h... (cached) yes checking termcap.h usability... no checking termcap.h presence... no checking for termcap.h... no checking termios.h usability... yes checking termios.h presence... yes checking for termios.h... yes checking termio.h usability... yes checking termio.h presence... yes checking for termio.h... yes checking sys/pte.h usability... no checking sys/pte.h presence... no checking for sys/pte.h... no checking sys/stream.h usability... yes checking sys/stream.h presence... yes checking for sys/stream.h... yes checking sys/select.h usability... yes checking sys/select.h presence... yes checking for sys/select.h... yes checking sys/file.h usability... yes checking sys/file.h presence... yes checking for sys/file.h... yes checking for sys/ptem.h... no checking for type of signal functions... posix checking if signal handlers must be reinstalled when invoked... no checking for presence of POSIX-style sigsetjmp/siglongjmp... present checking for lstat... yes checking whether or not strcoll and strcmp differ... no checking whether the ctype macros accept non-ascii characters... yes checking whether getpw functions are declared in pwd.h... yes checking whether termios.h defines TIOCGWINSZ... yes checking whether signal handlers are of type void... yes checking for TIOCSTAT in sys/ioctl.h... no checking for FIONREAD in sys/ioctl.h... yes checking for speed_t in sys/types.h... no checking for struct winsize in sys/ioctl.h and termios.h... sys/ioctl.h checking for struct dirent.d_ino... yes checking for struct dirent.d_fileno... no checking for tgetent... no checking for tgetent in -ltermcap... yes checking which library has the termcap functions... using libtermcap checking wctype.h usability... yes checking wctype.h presence... yes checking for wctype.h... yes checking wchar.h usability... yes checking wchar.h presence... yes checking for wchar.h... yes checking langinfo.h usability... yes checking langinfo.h presence... yes checking for langinfo.h... yes checking for mbsrtowcs... yes checking for mbrtowc... yes checking for mbrlen... yes checking for wctomb... yes checking for wcwidth... yes checking for wcsdup... no checking for mbstate_t... yes checking for nl_langinfo and CODESET... yes checking configuration for building shared libraries... supported configure: creating ./config.status config.status: creating Makefile config.status: creating doc/Makefile config.status: creating examples/Makefile config.status: creating shlib/Makefile config.status: creating config.h config.status: config.h is unchanged config.status: executing default commands The transcript of make is: test -d shlib || mkdir shlib ( cd shlib ; make all ) rm -f readline.so cc -c -DHAVE_CONFIG_H -I. -I.. -I.. -DRL_LIBRARY_VERSION='"5.1"' -g -K PIC -o readline.o readline.c *** Error code 2 (bu21) *** Error code 1 (bu21) (ignored) --------------------------------- ÑÅ»¢Ãâ·ÑÓÊÏä-3.5GÈÝÁ¿£¬20M¸½¼þ