SGI: Development

Nekoware bash-3.0 bug?

stuart
From Cambridge, UK
Who joined Aug. 23, 2004, 5:37 p.m.

Wrote the following at Sept. 25, 2005, 3:12 a.m...

When using SGI's bash (2.05) or any version of bash (2 or 3) on other systems, the command:


$ /usr/gnu/bin/bash -c 'A=$(( 2 + 3 )); echo $A'


5

... produces, as expected, the result "5".

However, using bash-3 from Nekoware. I get:

Code: Select all


$ /usr/nekoware/bin/bash -c 'A=$(( 2 + 3 )); echo $A'


2: command not found

... which seems to indicate that bash isn't parsing the line correctly.

Could anyone who reads this quickly try this on their own SGI, and see what happens. I'm interested if IRIX release or architecture makes a difference. I've an Octane running 6.5.28.

(I also see this problem when using an auto-compiled bash from NetBSD's pkgsrc or OpenPKG's source RPM. However, another developers using MIPSpro 7.3.1.2m reports that OpenPKG's build works for him (compiled with CFLAGS=-O). I have MIPSpro 7.3.4m, and compiled with significant optimisations.)

Which is a good point - what are (or, indeed, are there) the standard optimisation options/CFLAGS used for building Nekoware builds?

Cheers,

Stuart

zappa
From Tübingen, Germany
Who joined April 9, 2005, 2:42 p.m.

Wrote the following at Sept. 25, 2005, 6:36 a.m...

Looks like bash was compiled without --enable-dparen-arithmetic, either because configure thought it not to be supported, or because of an explizit --disable... Release notes don't say anything about it, though...

Such bugs and goblins in my life!
(Taken from Hamlet)

stuart
From Cambridge, UK
Who joined Aug. 23, 2004, 5:37 p.m.

Wrote the following at Sept. 26, 2005, 3:25 a.m...

This is odd - I've just rebuilt bash from scratch with "--enable-dparen-arithmetic" specifically passed to configure, and yet still the above syntax doesn't work.

Code: Select all


+ CFLAGS='-c99 -O2 -n32 -mips4 -r12000 -apo -float_const -use_readonly_const -TARG:isa=mips4:platform=ip30:processor=r12000 -TENV:zeroinit_in_bss=ON -DEFAULT:platform=ip30 -OPT:fast_io=ON:Olimit=8192:reorg_common=ON:swp=ON -LNO:auto_dist=ON:fusion_peeling_limit=8:gather_scatter=2 -woff 1174,1183,1552'


+ LDFLAGS='-Wl,-v -Wl,-s -Wl,-x -n32 -mips4 -rdata_shared -Wl,-allow_jump_at_eop'


+ ./configure --cache-file=./config.cache --prefix=/usr/local --disable-multibyte --without-gnu-malloc --disable-minimal-config --enable-alias --enable-arith-for-command --enable-array-variables --enable-bang-history --enable-brace-expansion --enable-command-timing --enable-cond-command --enable-cond-regexp --enable-directory-stack --enable-dparen-arithmetic --enable-extended-glob --enable-help-builtin --enable-history --enable-job-control --enable-net-redirections --enable-process-substitution --enable-progcomp --enable-prompt-string-decoding --enable-readline --enable-select --enable-separate-helpfiles --disable-rpath --disable-nls --without-curses


configure: loading cache ./config.cache


checking build system type... mips-sgi-irix6.5


checking host system type... mips-sgi-irix6.5


checking for emacs... no


checking for xemacs... no




Beginning configuration for bash-3.0-release for mips-sgi-irix6.5




checking for gcc... cc


checking for C compiler default output... 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 for strerror in -lcposix... no


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 special C compiler options needed for large files... no


checking for _FILE_OFFSET_BITS value needed for large files... no


checking for _LARGE_FILES value needed for large files... no


checking for a BSD-compatible install... ./support/install.sh -c


checking for ar... ar


checking for ranlib... :


checking for bison... bison -y


checking whether make sets $(MAKE)... yes


checking for an ANSI C-conforming const... yes


checking for inline... inline


checking whether byte ordering is bigendian... yes


checking for preprocessor stringizing operator... yes


checking for working long double with more range or precision than double... yes


checking for function prototypes... yes


checking whether char is unsigned... yes


checking whether NLS is requested... no


checking for msgfmt... no


checking for gmsgfmt... :


checking for xgettext... no


checking for msgmerge... no


checking for off_t... yes


checking for size_t... yes


checking for working alloca.h... yes


checking for alloca... yes


checking for stdlib.h... (cached) yes


checking for unistd.h... (cached) yes


checking for getpagesize... yes


checking for working mmap... yes


checking whether we are using the GNU C Library 2.1 or newer... no


checking whether integer division by zero raises SIGFPE... no


checking for inttypes.h... yes


checking for stdint.h... yes


checking for unsigned long long... yes


checking for inttypes.h... yes


checking whether the inttypes.h PRIxNN macros are broken... no


checking for non-GNU ld... /bin/ld


checking if the linker (/bin/ld) is GNU ld... no


checking for shared library run path origin... done


checking argz.h usability... no


checking argz.h presence... no


checking for argz.h... no


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 nl_types.h usability... yes


checking nl_types.h presence... yes


checking for nl_types.h... yes


checking malloc.h usability... yes


checking malloc.h presence... yes


checking for malloc.h... yes


checking stddef.h usability... yes


checking stddef.h presence... yes


checking for stddef.h... yes


checking for stdlib.h... (cached) yes


checking for string.h... (cached) yes


checking for unistd.h... (cached) yes


checking sys/param.h usability... yes


checking sys/param.h presence... yes


checking for sys/param.h... yes


checking for feof_unlocked... yes


checking for fgets_unlocked... no


checking for getc_unlocked... yes


checking for getcwd... yes


checking for getegid... yes


checking for geteuid... yes


checking for getgid... yes


checking for getuid... yes


checking for mempcpy... no


checking for munmap... yes


checking for putenv... yes


checking for setenv... no


checking for setlocale... yes


checking for stpcpy... no


checking for strcasecmp... yes


checking for strdup... yes


checking for strtoul... yes


checking for tsearch... yes


checking for __argz_count... no


checking for __argz_stringify... no


checking for __argz_next... no


checking for __fsetlocking... no


checking for iconv... yes


checking for iconv declaration...


extern size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);


checking for nl_langinfo and CODESET... yes


checking for LC_MESSAGES... yes


checking for bison... bison


checking version of bison... 1.25, bad


checking whether NLS is requested... no


checking whether to use NLS... no


checking for dirent.h that defines DIR... yes


checking for library containing opendir... none required


checking whether time.h and sys/time.h may both be included... yes


checking for inttypes.h... (cached) yes


checking for unistd.h... (cached) yes


checking for stdlib.h... (cached) yes


checking stdarg.h usability... yes


checking stdarg.h presence... yes


checking for stdarg.h... yes


checking varargs.h usability... yes


checking varargs.h presence... yes


checking for varargs.h... yes


checking for limits.h... (cached) yes


checking for string.h... (cached) yes


checking for memory.h... (cached) yes


checking for locale.h... (cached) yes


checking termcap.h usability... no


checking termcap.h presence... no


checking for termcap.h... no


checking termio.h usability... yes


checking termio.h presence... yes


checking for termio.h... yes


checking termios.h usability... yes


checking termios.h presence... yes


checking for termios.h... yes


checking dlfcn.h usability... yes


checking dlfcn.h presence... yes


checking for dlfcn.h... yes


checking for stddef.h... (cached) yes


checking for stdint.h... (cached) yes


checking netdb.h usability... yes


checking netdb.h presence... yes


checking for netdb.h... yes


checking grp.h usability... yes


checking grp.h presence... yes


checking for grp.h... yes


checking for strings.h... (cached) yes


checking regex.h usability... yes


checking regex.h presence... yes


checking for regex.h... yes


checking sys/ptem.h usability... no


checking sys/ptem.h presence... no


checking for sys/ptem.h... no


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 sys/resource.h usability... yes


checking sys/resource.h presence... yes


checking for sys/resource.h... yes


checking for sys/param.h... (cached) yes


checking sys/socket.h usability... yes


checking sys/socket.h presence... yes


checking for sys/socket.h... yes


checking for sys/stat.h... (cached) yes


checking sys/time.h usability... yes


checking sys/time.h presence... yes


checking for sys/time.h... yes


checking sys/times.h usability... yes


checking sys/times.h presence... yes


checking for sys/times.h... yes


checking for sys/types.h... (cached) yes


checking sys/wait.h usability... yes


checking sys/wait.h presence... yes


checking for sys/wait.h... yes


checking netinet/in.h usability... yes


checking netinet/in.h presence... yes


checking for netinet/in.h... yes


checking arpa/inet.h usability... yes


checking arpa/inet.h presence... yes


checking for arpa/inet.h... yes


checking for working alloca.h... (cached) yes


checking for alloca... (cached) yes


checking whether getpgrp requires zero arguments... yes


checking whether setvbuf arguments are reversed... no


checking for vprintf... yes


checking for _doprnt... yes


checking for working strcoll... yes


checking return type of signal handlers... void


checking for __setostype... no


checking for wait3... yes


checking for isinf... no


checking for mkfifo... yes


checking for dup2... yes


checking for select... yes


checking for getdtablesize... yes


checking for getgroups... yes


checking for gethostname... yes


checking for setdtablesize... no


checking for getpagesize... (cached) yes


checking for killpg... yes


checking for lstat... yes


checking for getpeername... yes


checking for sbrk... yes


checking for getrlimit... yes


checking for getrusage... yes


checking for gettimeofday... yes


checking for waitpid... yes


checking for tcgetpgrp... yes


checking for readlink... yes


checking for rename... yes


checking for bcopy... yes


checking for bzero... yes


checking for confstr... yes


checking for sysconf... yes


checking for pathconf... yes


checking for setenv... (cached) no


checking for putenv... (cached) yes


checking for unsetenv... no


checking for setlinebuf... yes


checking for setvbuf... yes


checking for setlocale... (cached) yes


checking for strchr... yes


checking for tcgetattr... yes


checking for uname... yes


checking for ulimit... yes


checking for tzset... yes


checking for siginterrupt... yes


checking for memmove... yes


checking for ttyname... yes


checking for times... yes


checking for getaddrinfo... yes


checking for gethostbyname... yes


checking for getservbyname... yes


checking for getservent... yes


checking for inet_aton... yes


checking for vsnprintf... yes


checking for snprintf... yes


checking for vasprintf... no


checking for asprintf... no


checking for fnmatch... yes


checking for regcomp... yes


checking for regexec... yes


checking for isascii... yes


checking for isblank... yes


checking for isgraph... yes


checking for isprint... yes


checking for isspace... yes


checking for isxdigit... yes


checking for getcwd... (cached) yes


checking for strcasecmp... (cached) yes


checking for strerror... yes


checking for strftime... yes


checking for strpbrk... yes


checking for memset... yes


checking for strstr... yes


checking for strtod... yes


checking for strtol... yes


checking for strtoul... (cached) yes


checking for strtoll... yes


checking for strtoull... yes


checking for strtoimax... yes


checking for strtoumax... yes


checking whether confstr is declared... yes


checking whether printf is declared... yes


checking whether sbrk is declared... yes


checking whether strcpy is declared... yes


checking whether strsignal is declared... no


checking whether strtold is declared... yes


checking for broken strtold... yes


checking for declaration of strtoimax... yes


checking for declaration of strtol... yes


checking for declaration of strtoll... yes


checking for declaration of strtoul... yes


checking for declaration of strtoull... yes


checking for declaration of strtoumax... yes


checking for sys/time.h... (cached) yes


checking for unistd.h... (cached) yes


checking for alarm... yes


checking for working mktime... no


checking for argz.h... (cached) no


checking errno.h usability... yes


checking errno.h presence... yes


checking for errno.h... yes


checking fcntl.h usability... yes


checking fcntl.h presence... yes


checking for fcntl.h... yes


checking for malloc.h... (cached) yes


checking stdio_ext.h usability... no


checking stdio_ext.h presence... no


checking for stdio_ext.h... no


checking for stdlib.h... (cached) yes


checking for unistd.h... (cached) yes


checking for getpagesize... (cached) yes


checking for working mmap... (cached) yes


checking for __argz_count... (cached) no


checking for __argz_next... (cached) no


checking for __argz_stringify... (cached) no


checking for dcgettext... no


checking for mempcpy... (cached) no


checking for munmap... (cached) yes


checking for stpcpy... (cached) no


checking for strcspn... yes


checking for strdup... (cached) yes


checking for wctype.h... (cached) no


checking for wchar.h... (cached) no


checking langinfo.h usability... yes


checking langinfo.h presence... yes


checking for langinfo.h... yes


checking for mbsrtowcs... (cached) no


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 for dlopen in -ldl... yes


checking for dlopen... yes


checking for dlclose... yes


checking for dlsym... yes


checking whether sys_siglist is declared... no


checking for uid_t in sys/types.h... yes


checking type of array argument to getgroups... gid_t


checking for off_t... (cached) yes


checking for mode_t... yes


checking for uid_t in sys/types.h... (cached) yes


checking for pid_t... yes


checking for size_t... (cached) yes


checking for ssize_t... yes


checking for time_t... yes


checking for long long... long long


checking for unsigned long long... unsigned long long


checking return type of signal handlers... (cached) void


checking for char... yes


checking size of char... 1


checking for short... yes


checking size of short... 2


checking for int... yes


checking size of int... 4


checking for long... yes


checking size of long... 4


checking for char *... yes


checking size of char *... 4


checking for double... yes


checking size of double... 8


checking for long long... yes


checking size of long long... 8


checking for u_int... yes


checking for u_long... yes


checking for bits16_t... no


checking for u_bits16_t... no


checking for bits32_t... no


checking for u_bits32_t... no


checking for bits64_t... no


checking for ptrdiff_t... yes


checking whether stat file-mode macros are broken... no


checking whether #! works in shell scripts... yes


checking whether the ctype macros accept non-ascii characters... yes


checking if dup2 fails to clear the close-on-exec flag... no


checking whether pgrps need synchronization... no


checking for type of signal functions... posix


checking for sys_errlist and sys_nerr... yes


checking for sys_siglist in system C library... yes


checking for _sys_siglist in signal.h or unistd.h... yes


checking for _sys_siglist in system C library... yes


checking whether signal handlers are of type void... yes


checking for clock_t... yes


checking for sigset_t... yes


checking for quad_t... no


checking for intmax_t... yes


checking for uintmax_t... yes


checking for socklen_t... yes


checking for size and type of struct rlimit fields... rlim_t


checking for struct termios.c_line... no


checking for struct termio.c_line... yes


checking for struct dirent.d_ino... yes


checking for struct dirent.d_fileno... no


checking for struct dirent.d_namlen... no


checking for struct winsize in sys/ioctl.h and termios.h... sys/ioctl.h


checking for struct timeval in sys/time.h and time.h... yes


checking for struct stat.st_blocks... yes


checking whether struct tm is in sys/time.h or time.h... time.h


checking for struct tm.tm_zone... no


checking for tzname... yes


checking for struct timezone in sys/time.h and time.h... yes


checking for the existence of strsignal... no


checking if opendir() opens non-directories... no


checking whether ulimit can substitute for getdtablesize... yes


checking to see if getenv can be redefined... no


checking if getcwd() will dynamically allocate memory... no


checking for presence of POSIX-style sigsetjmp/siglongjmp... present


checking whether or not strcoll and strcmp differ... no


checking for standard-conformant putenv declaration... no


checking for printf floating point output in hex notation... yes


checking if signal handlers must be reinstalled when invoked... no


checking for presence of necessary job control definitions... present


checking for presence of named pipes... present


checking whether termios.h defines TIOCGWINSZ... 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 whether getpw functions are declared in pwd.h... yes


checking for unusable real-time signals due to large values... no


checking for tgetent... no


checking for tgetent in -ltermcap... yes


checking which library has the termcap functions... using libtermcap


checking whether /dev/fd is available... standard


checking whether /dev/stdin stdout stderr are available... absent


checking for default mail directory... /var/mail


checking shared object configuration for loadable builtins... supported


updating cache ./config.cache


configure: creating ./config.status


config.status: creating Makefile


config.status: creating builtins/Makefile


config.status: creating lib/readline/Makefile


config.status: creating lib/glob/Makefile


config.status: creating lib/intl/Makefile


config.status: creating lib/malloc/Makefile


config.status: creating lib/sh/Makefile


config.status: creating lib/termcap/Makefile


config.status: creating lib/tilde/Makefile


config.status: creating doc/Makefile


config.status: creating support/Makefile


config.status: creating po/Makefile.in


config.status: creating examples/loadables/Makefile


config.status: creating examples/loadables/perl/Makefile


config.status: creating pathnames.h


config.status: creating config.h


config.status: executing default-1 commands


config.status: creating po/POTFILES


config.status: creating po/Makefile


config.status: executing default commands

... all of which looks okay to me.

The only other things which look at all suspect are:

WARNINGs for "textdomain" and "bindtextdomain" saying "The indicated expression has no effect."

WARNINGs that /usr/include/stdint.h and /usr/include/inttypes.h contain incompatible type definitions(!) and

WARNINGs at linking-stage that lib/tilde/libtilde.a and lib/readline/libhistory.a aren't used for resolving any symbol.

Any ideas... ?

squeen
Moderator
From Maryland, USA
Who joined May 9, 2003, 6:10 a.m.

Wrote the following at Sept. 26, 2005, 3:28 a.m...

I compiled the nekoware bash, although I'm not a full-time bash user, it has worked alright for me. I can try to recompile with the option specified abive.

zappa
From Tübingen, Germany
Who joined April 9, 2005, 2:42 p.m.

Wrote the following at Sept. 26, 2005, 11:01 a.m...

stuart wrote: This is odd - I've just rebuilt bash from scratch with "--enable-dparen-arithmetic" specifically passed to configure, and yet still the above syntax doesn't work.

This ist strange, since building from scratch works fine for me. Maybe some gccism active there, since I'm building with gcc. Can you take a look into config.h, if DPAREN_ARITHMETIC is indeed defined?

Such bugs and goblins in my life!

(Taken from Hamlet)

stuart
From Cambridge, UK
Who joined Aug. 23, 2004, 5:37 p.m.

Wrote the following at Sept. 26, 2005, 11:18 a.m...

zappa wrote: This ist strange, since building from scratch works fine for me. Maybe some gccism active there, since I'm building with gcc. Can you take a look into config.h, if DPAREN_ARITHMETIC is indeed defined?

Yeah - I'm confused: DPAREN_ARITHMETIC is set in config.h, and yet commands which make use of the syntax don't work.

I've even been through and fixed every single WARNING that MIPSpro throws out (except for the binddomain and bindtextdomain ones, but I don't think they're significant).

By default, configure sets config.h to include both <stdint.h> and <inttypes.h> which clash with each other, and I changed config.h to address this. It made no difference...

I tried to look at putting some debugging in to see where things are going wrong, but DPARENS_ARITHMETIC appears in so many of the source files that I don't know where to concentrate.

In any case, I couldn't get paren arithmetic to work at all with MIPSpro (7.4.3m)

To assess the depth of this problem, could anyone who reads this please run the command from my initial post, and help to confirm:

* Does this problem affect only me, only people using 6.5.28, or all versions of IRIX on all machines (using neko_bash)?

Assuming more than just me are affected, the next step would be to see whether building with GCC on the same machine works or not...

nekonoko
Site Admin
From Pleasanton, California
Who joined Jan. 23, 2003, 1:31 a.m.

Wrote the following at Sept. 26, 2005, 11:25 a.m...

Might be worthwhile to apply the bash-3.0 patches and see if that resolves anything:

http://ftp.gnu.org/gnu/bash/bash-3.0-patches/

Twitter: @neko_no_ko
IRIX Release 4.0.5 IP12 Version 06151813 System V
Copyright 1987-1992 Silicon Graphics, Inc.
All Rights Reserved.

voidfoo
From Southern CA
Who joined May 17, 2003, 2:01 p.m.

Wrote the following at Sept. 26, 2005, 12:18 p.m...

yes, it is very interesting. neko_bash has the same error on .28m and .26m here.

it seems that one char is eaten by some unknown. try this:

Code: Select all


> /usr/nekoware/bin/bash -c 'A=$(x(2+3)); echo $A'


>/usr/nekoware/bin/bash -c 'A=$(xls ./); echo $A'

stuart
From Cambridge, UK
Who joined Aug. 23, 2004, 5:37 p.m.

Wrote the following at Sept. 26, 2005, 5:07 p.m...

nekonoko wrote: Might be worthwhile to apply the bash-3.0 patches and see if that resolves anything

Good thought - but this was with bash-3.00.16, which incorporates the latest patches.

voidfoo wrote: it seems that one char is eaten by some unknown

You're a genius! Well spotted

So I guess the next question is: Can anyone see why this is happening... ?

docelic
From Croatia
Who joined Sept. 30, 2005, 4:41 p.m.

Wrote the following at Oct. 2, 2005, 9:13 a.m...

Same problem happens here on 6.5.27f
Bash is neko_bash GNU bash, version 3.00.0(1)-release (mips-sgi-irix6.5)

stuart
From Cambridge, UK
Who joined Aug. 23, 2004, 5:37 p.m.

Wrote the following at Oct. 2, 2005, 2:39 p.m...

I'm working through this one now with one of the bash maintainers ... current thoughts are a GCC-ism that's been missed, or bison doing something silly.

I'll report back with any updates - but if anyone has any further thoughts then please post!

docelic - what version of the compilers are you using? I've an unconfirmed report that 7.3.1m generates working bash binaries, whereas my 7.3.4m definitely doesn't

Cheers,

Stuart

Hakimoto
Moderator
From Kabul, Afghanistan, Asia
Who joined March 30, 2003, 4:29 a.m.

Wrote the following at Oct. 2, 2005, 2:54 p.m...

The current, neko_bash, what has it been compiled with? I use it for a long time now, and i've not seen any problems in everyday usage, but then maybe this is specific mischief. in any case, it'd be good to know. and hell, maybe we need a recompile.

...only chemist in .af?
Eroteme.ch - eternally unfinished and never started

Nihilus
From Stockholm, Sweden
Who joined Dec. 18, 2004, 8:21 a.m.

Wrote the following at Oct. 24, 2006, 7:46 a.m...

Works with MIPSPRO IFF -O1 is set.

SGI Systems: R4K :Indigo:

/256MB/XS-24, R5K 150MHz :Indy:

/160MB/XL-24, R10K 175MHz :O2:

/640MB, R12K 400MHz :Octane2:

/Vpro6/1GB & R4K 250 MHz :Indigo2IMP:

/128 MB/XZ Extreme/GIO64 FDDI

"It's a UNIX system! I know this! "

stuart
From Cambridge, UK
Who joined Aug. 23, 2004, 5:37 p.m.

Wrote the following at Oct. 24, 2006, 1:43 p.m...

Nihilus wrote: Works with MIPSPRO IFF -O1 is set.

I can't reproduce this, unfortunately. Certainly, bash-3.2 with -O1 the test suite looks better - but for me it also hangs during the "run-printf" tests.

I built using:

Code: Select all


CC="cc" CFLAGS="-O1 -n32 -mips4 -woff 1174,1183,1185,1552" LDFLAGS="-Wl,-v -Wl,-s -n32 -mips4" ./configure --enable-alias --enable-arith-for-command --enable-array-variables --enable-bang-history --enable-brace-expansion --enable-command-timing --enable-cond-command --enable-cond-regexp --enable-debugger --enable-directory-stack --enable-disabled-builtins --enable-dparen-arithmetic --enable-extended-glob --enable-help-builtin --enable-history --enable-job-control --enable-net-redirections --enable-process-substitution --enable-progcomp --enable-prompt-string-decoding --enable-readline --enable-select --enable-xpg-echo-default

(e.g. very minimal flags)

Looking at the differences between the "/tmp/xx" output from the test suite before hanging, the expected values are:

Code: Select all


4.20


4.20


4.2


4.20


4.20


4.2


4.200000E+00


4.200000e+00


4.2E+00


4.2e+00

... whereas my last output from my test-suite before hanging is:

Code: Select all


0.00


0.00


0.0


0.00


0.00


0.0


-INF


-inf


-INF


-inf

... so I'm wondering if some form of floating-point exception is causing the hang.

Nihilus , could you confirm exactly what configure options you used, and what the content of your /etc/compiler.defaults file is?

stuart
From Cambridge, UK
Who joined Aug. 23, 2004, 5:37 p.m.

Wrote the following at Oct. 24, 2006, 1:55 p.m...

The commands in the test-suite which produce this output are:

Code: Select all


# test some simple floating point formats


printf "%4.2f\n" 4.2


printf "%#4.2f\n" 4.2


printf "%#4.1f\n" 4.2




printf "%*.*f\n" 4 2 4.2


printf "%#*.*f\n" 4 2 4.2


printf "%#*.*f\n" 4 1 4.2




printf "%E\n" 4.2


printf "%e\n" 4.2


printf "%6.1E\n" 4.2


printf "%6.1e\n" 4.2




printf "%G\n" 4.2


printf "%g\n" 4.2


printf "%6.2G\n" 4.2


printf "%6.2g\n" 4.2

... so these aren't especially complex tests.

It's clear that the output the MIPSpro bash-3.2 produces is wrong - and it appears to be 'printf "%G\n" 4.2' that hangs.

My current GCC build of bash [3.1.17(1)] outputs "0" when the above command is run (which is also wrong), and running the new build of 3.2 and running the same command also causes bash to lock and need a "kill -9" to abort the process.

Update
I've just spent the eveing rebuilding bash with just about every combination of flags, and the (neko) GCC versions always output 0 when reformatting floats with printf. For me, MIPSpro versions always hang on the same test. Could someone with freeware GCC installed please try building with this?