[Changeset] [description, status] = pkg (describe, package_name) fails in 3.1.55

[Carlo de Falco]

To: address@hidden
Subject: [Changeset] [description, status] = pkg (describe,  
package_name) fails in 3.1.55
--------
Bug report for Octave 3.1.55 configured for i386-apple-darwin9.7.0

Description:
-----------

according to the documentation for pkg:

<...>
`describe'
        <...>
          If any of the requested packages is not installed, pkg
          returns an error, unless a second output is requested:
                [ desc, flag] = pkg ("describe", "secs1d", "image")
          FLAG will take one of the values "Not installed", "Loaded" or
          "Not loaded" for each of the named packages.
          <...>

but this syntax causes a failure if querying one single package and  
that package is not installed.
This is caused by a change in the way Octave handles output parameters  
that are assigned no value in a function.

Repeat-By:
---------

        [desc, flag] = pkg ("describe", "non_existing_package")

Fix:
---

        A chaneset is attached that initializes the description  
output parameter even if none of the packages being described is  
installed

Configuration (please do not edit this section):
-----------------------------------------------

uname output:     Darwin guglielmo.local 9.7.0 Darwin Kernel Version  
9.7.0: Tue Mar 31 22:52:17 PDT 2009; root:xnu-1228.12.14~1/ 
RELEASE_I386 i386
configure opts:   'CPPFLAGS=-I/sw/include' 'LDFLAGS=-L/sw/lib -L/opt/ 
arpack -larpack' 'F77=gfortran' 'FFLAGS=-ff2c' 'CC=/usr/bin/gcc'  
'CFLAGS=-ggdb3' 'CXXFLAGS=-ggdb3' 'CXX=/usr/bin/g++' '--prefix=/opt/ 
octave\
/3.1/'
Fortran compiler: gfortran
FFLAGS:           -ff2c -mieee-fp
FLIBS:            -L/sw/lib -L/opt/arpack -L/sw/lib/gcc4.3/lib/gcc/ 
i686-apple-darwin9/4.3.2 -L/sw/lib/gcc4.3/lib/gcc/i686-apple- 
darwin9/4.3.2/../../.. -larpack -lhdf5 -lz -lm -lgfortranbegin - 
lgfortran
CPPFLAGS:         -I/sw/include -I/sw/include
INCFLAGS:         -I. -I. -I./liboctave -I./src -I./libcruft/misc
C compiler:       /usr/bin/gcc, version 4.0.1 (Apple Inc. build 5490)
CFLAGS:           -ggdb3
CPICFLAG:         -fPIC
C++ compiler:     /usr/bin/g++, version 4.0.1
CXXFLAGS:         -ggdb3
CXXPICFLAG:       -fPIC
LD_CXX:           /usr/bin/g++
LDFLAGS:          -L/sw/lib -L/opt/arpack -larpack
LIBFLAGS:         -L.
RLD_FLAG:
BLAS_LIBS:        -Wl,-framework -Wl,vecLib
FFTW_LIBS:        -lfftw3 -lfftw3f
LIBS:             -lreadline  -lncurses -Wl,-framework -Wl,vecLib - 
lhdf5 -lz -lm
LEXLIB:
LIBGLOB:
SED:              /sw/bin/sed
DEFS:

  -DPACKAGE_NAME="" -DPACKAGE_TARNAME="" -DPACKAGE_VERSION=""
  -DPACKAGE_STRING="" -DPACKAGE_BUGREPORT="" -DOCTAVE_SOURCE=1
  -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1
  -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 - 
DHAVE_STRINGS_H=1
  -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 - 
D__EXTENSIONS__=1
  -D_ALL_SOURCE=1 -D_GNU_SOURCE=1 -D_POSIX_PTHREAD_SEMANTICS=1
  -D_TANDEM_SOURCE=1 -DSEPCHAR=':' -DSEPCHAR_STR=":" - 
D__NO_MATH_INLINES=1
  -DCXX_NEW_FRIEND_TEMPLATE_DECL=1 -DCXX_ISO_COMPLIANT_LIBRARY=1
  -DHAVE_X_WINDOWS=1 -DHAVE_FRAMEWORK_CARBON=1 -DHAVE_LIBM=1
  -DHAVE_QHULL=1 -DHAVE_PCRE_COMPILE=1 -DHAVE_PCRE=1 -DHAVE_REGEXEC=1
  -DHAVE_REGEX=1 -DHAVE_ZLIB_H=1 -DHAVE_ZLIB=1 -DHAVE_HDF5_H=1
  -DHAVE_HDF5=1 -DHAVE_H5GGET_NUM_OBJS=1 -DHAVE_FFTW3=1 -DHAVE_GLPK_H=1
  -DHAVE_GLPK=1 -DHAVE_CURL_CURL_H=1 -DHAVE_CURL=1 - 
DHAVE_FRAMEWORK_OPENGL=1
  -DHAVE_OPENGL=1 -DHAVE_FTGL_FTGL_H=1 -DHAVE_FTGL=1 -DHAVE_FLTK=1
  -DHAVE_IEEE754_DATA_FORMAT=1 -DF77_FUNC(name,NAME)=name ## _
  -DF77_FUNC_(name,NAME)=name ## __ -DHAVE_BLAS=1 -DHAVE_QRUPDATE=1
  -DHAVE_SUITESPARSE_AMD_H=1 -DHAVE_AMD=1 - 
DHAVE_SUITESPARSE_UMFPACK_H=1
  -DHAVE_CXSPARSE=1 -DHAVE_GETHOSTNAME=1 -DHAVE_GETPWNAM=1 - 
DHAVE_DEV_T=1
  -DHAVE_INO_T=1 -DHAVE_NLINK_T=1 -DHAVE_NLINK_T=1 - 
DHAVE_LONG_LONG_INT=1
  -DHAVE_UNSIGNED_LONG_LONG_INT=1 -DHAVE_SIGSET_T=1 - 
DHAVE_SIG_ATOMIC_T=1
  -DSIZEOF_SHORT=2 -DSIZEOF_INT=4 -DSIZEOF_LONG=4 -DSIZEOF_LONG_LONG=8
  -DHAVE_ALLOCA_H=1 -DHAVE_ALLOCA=1 -DHAVE_PLACEMENT_DELETE=1
  -DHAVE_DYNAMIC_AUTO_ARRAYS=1 -DHAVE_FAST_INT_OPS=1 - 
DSIZEOF_LONG_DOUBLE=16
  -DSTDC_HEADERS=1 -DHAVE_DIRENT_H=1 -DTIME_WITH_SYS_TIME=1
  -DHAVE_SYS_WAIT_H=1 -DHAVE_ASSERT_H=1 -DHAVE_CURSES_H=1 - 
DHAVE_DLFCN_H=1
  -DHAVE_FCNTL_H=1 -DHAVE_FLOAT_H=1 -DHAVE_GRP_H=1 -DHAVE_INTTYPES_H=1
  -DHAVE_LIMITS_H=1 -DHAVE_LOCALE_H=1 -DHAVE_MEMORY_H=1 - 
DHAVE_NCURSES_H=1
  -DHAVE_POLL_H=1 -DHAVE_PTHREAD_H=1 -DHAVE_PWD_H=1 -DHAVE_STDINT_H=1
  -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_SYS_IOCTL_H=1
  -DHAVE_SYS_PARAM_H=1 -DHAVE_SYS_POLL_H=1 -DHAVE_SYS_RESOURCE_H=1
  -DHAVE_SYS_SELECT_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_SYS_TIME_H=1
  -DHAVE_SYS_TIMES_H=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_UTSNAME_H=1
  -DHAVE_TERMCAP_H=1 -DHAVE_UNISTD_H=1 -DHAVE_UTIME_H=1 - 
DHAVE_SSTREAM=1
  -DHAVE_SGTTY_H=1 -DHAVE_GLOB_H=1 -DHAVE_FNMATCH_H=1 -DHAVE_FNMATCH=1
  -DHAVE_GLOB=1 -DHAVE_ATEXIT=1 -DHAVE_BASENAME=1 -DHAVE_BCOPY=1
  -DHAVE_BZERO=1 -DHAVE_CHMOD=1 -DHAVE_DUP2=1 -DHAVE_ENDGRENT=1
  -DHAVE_ENDPWENT=1 -DHAVE_EXECVP=1 -DHAVE_EXPM1=1 -DHAVE_EXPM1F=1
  -DHAVE_FCNTL=1 -DHAVE_FORK=1 -DHAVE_FSTAT=1 -DHAVE_GETCWD=1
  -DHAVE_GETEGID=1 -DHAVE_GETEUID=1 -DHAVE_GETGID=1 -DHAVE_GETGRENT=1
  -DHAVE_GETGRGID=1 -DHAVE_GETGRNAM=1 -DHAVE_GETPGRP=1 -DHAVE_GETPID=1
  -DHAVE_GETPPID=1 -DHAVE_GETPWENT=1 -DHAVE_GETPWUID=1 - 
DHAVE_GETTIMEOFDAY=1
  -DHAVE_GETUID=1 -DHAVE_GETWD=1 -DHAVE_KILL=1 -DHAVE_LGAMMA=1
  -DHAVE_LGAMMAF=1 -DHAVE_LINK=1 -DHAVE_LOCALTIME_R=1 -DHAVE_LOG1P=1
  -DHAVE_LOG1PF=1 -DHAVE_LSTAT=1 -DHAVE_MEMMOVE=1 -DHAVE_MKDIR=1
  -DHAVE_MKFIFO=1 -DHAVE_MKSTEMP=1 -DHAVE_PIPE=1 -DHAVE_POLL=1
  -DHAVE_PUTENV=1 -DHAVE_RAISE=1 -DHAVE_READLINK=1 -DHAVE_REALPATH=1
  -DHAVE_RENAME=1 -DHAVE_RINDEX=1 -DHAVE_RMDIR=1 -DHAVE_ROUNDL=1
  -DHAVE_SELECT=1 -DHAVE_SETGRENT=1 -DHAVE_SETLOCALE=1 - 
DHAVE_SETPWENT=1
  -DHAVE_SETVBUF=1 -DHAVE_SIGACTION=1 -DHAVE_SIGLONGJMP=1 - 
DHAVE_SIGPENDING=1
  -DHAVE_SIGPROCMASK=1 -DHAVE_SIGSUSPEND=1 -DHAVE_SNPRINTF=1 - 
DHAVE_STAT=1
  -DHAVE_STRCASECMP=1 -DHAVE_STRDUP=1 -DHAVE_STRERROR=1 - 
DHAVE_STRNCASECMP=1
  -DHAVE_STRPTIME=1 -DHAVE_STRSIGNAL=1 -DHAVE_SYMLINK=1 - 
DHAVE_TEMPNAM=1
  -DHAVE_TGAMMAF=1 -DHAVE_TRUNC=1 -DHAVE_UMASK=1 -DHAVE_UNAME=1
  -DHAVE_UNLINK=1 -DHAVE_USLEEP=1 -DHAVE_UTIME=1 -DHAVE_VFPRINTF=1
  -DHAVE_VSPRINTF=1 -DHAVE_VSNPRINTF=1 -DHAVE_WAITPID=1 - 
DHAVE_DECL_EXP2=1
  -DHAVE_DECL_ROUND=1 -DHAVE_DECL_TGAMMA=1 -DHAVE_EXP2=1 -DHAVE_ROUND=1
  -DHAVE_TGAMMA=1 -DHAVE_STRFTIME=1 -DHAVE_C99_VSNPRINTF=1 - 
DHAVE_DYLD_API=1
  -DENABLE_DYNAMIC_LINKING=1 -DHAVE_TIMEVAL=1 -DHAVE_CMATH_ISNAN=1
  -DHAVE_CMATH_ISNANF=1 -DHAVE_CMATH_ISINF=1 -DHAVE_CMATH_ISINFF=1
  -DHAVE_CMATH_ISFINITE=1 -DHAVE_CMATH_ISFINITEF=1 -DHAVE_FINITE=1
  -DHAVE_ISNAN=1 -DHAVE_ISINF=1 -DHAVE_COPYSIGN=1 -DHAVE_DECL_SIGNBIT=1
  -DHAVE_ACOSH=1 -DHAVE_ACOSHF=1 -DHAVE_ASINH=1 -DHAVE_ASINHF=1
  -DHAVE_ATANH=1 -DHAVE_ATANHF=1 -DHAVE_ERF=1 -DHAVE_ERFF=1 - 
DHAVE_ERFC=1
  -DHAVE_ERFCF=1 -DHAVE_EXP2F=1 -DHAVE_LOG2=1 -DHAVE_LOG2F=1
  -DHAVE_HYPOTF=1 -DHAVE_STRUCT_STAT_ST_BLKSIZE=1
  -DHAVE_STRUCT_STAT_ST_BLOCKS=1 -DHAVE_STRUCT_STAT_ST_RDEV=1
  -DHAVE_STRUCT_TM_TM_ZONE=1 -DHAVE_TM_ZONE=1 -DUSE_READLINE=1
  -DEXCEPTION_IN_MATH=1 -DRETSIGTYPE=void -DHAVE_DECL_SYS_SIGLIST=1
  -DHAVE_POSIX_SIGNALS=1 -DRETSIGTYPE_IS_VOID=1 -DHAVE_GETRUSAGE=1
  -DHAVE_TIMES=1 -DYYTEXT_POINTER=1

User-preferences (please do not edit this section):
--------------------------------------------------

  EDITOR = emacs
  EXEC_PATH = /Users/carlo/octave/audio-1.1.2/bin:/opt/octave/3.1/ 
libexec/octave/3.1.55/site/exec/i386-apple-darwin9.7.0:/opt/octave/3.1/ 
libexec/octave/api-v37/site/exec/i386-apple-darwin9.7.0:/opt/octave/3.1\
/libexec/octave/site/exec/i386-apple-darwin9.7.0:/opt/octave/3.1/ 
libexec/octave/3.1.55/exec/i386-apple-darwin9.7.0:/opt/octave/3.1/bin:/ 
sw/bin:/sw/sbin:/Applications/GnuPlot.app/Contents/Resources/bin:/usr/ 
bi\
n:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/texbin:/usr/X11/bin:/usr/ 
local/bin:/opt/dx/current/bin:/Applications/Octave.app/Contents/ 
Resources/bin:/Applications/gmsh-2.2.0/Gmsh.app/Contents/MacOS/:/usr/ 
local/g\
wTeX/bin/i386-apple-darwin-current:/usr/X11R6/bin
  IMAGE_PATH = .:/opt/octave/3.1/share/octave/3.1.55/imagelib
  PAGER = less
  PS1 = >>
  PS2 =
  PS4 = +
  beep_on_error = 1
  completion_append_char =
  crash_dumps_octave_core = 0
  echo_executing_commands = 0
  fixed_point_format = 0
  gnuplot_binary = gnuplot
# gnuplot_command_end = <no value or error in displaying it>
# gnuplot_command_plot = <no value or error in displaying it>
# gnuplot_command_replot = <no value or error in displaying it>
# gnuplot_command_splot = <no value or error in displaying it>
# gnuplot_command_title = <no value or error in displaying it>
# gnuplot_command_using = <no value or error in displaying it>
# gnuplot_command_with = <no value or error in displaying it>
  history_file = /Users/carlo/.octave_hist
  history_size = 1024
  ignore_function_time_stamp = system
  info_file = /opt/octave/3.1/share/info/octave.info
  info_program = info
  makeinfo_program = makeinfo
  max_recursion_depth = 256
  output_max_field_width = 5
  output_precision = 5
  page_output_immediately = 0
  page_screen_output = 0
# print_answer_id_name = <no value or error in displaying it>
  print_empty_dimensions = 0
  save_precision = 16
  saving_history = 1
  sighup_dumps_octave_core = 1
  sigterm_dumps_octave_core = 1
  silent_functions = 0
  split_long_rows = 1
  string_fill_char =
  struct_levels_to_print = 0
  suppress_verbose_help_message = 0

patch.txt
Description: Text document