va_copy error [Was Re: Make Problem - parse error before "const"]

[Gary V. Vaughan]

Hi Joseph,

On 4 May 2008, at 14:18, Joseph Maxwell wrote:

gcc  -I.     -g -O2 -MT version-etc.o -MD -MP -MF .deps/version-etc.Tpo -c -o version-etc.o version-etc.c
version-etc.c: In function `version_etc_va':
version-etc.c:53: error: parse error before "const"
version-etc.c:53: error: parse error before "const"
version-etc.c:53: error: parse error before "const"
version-etc.c:53: error: parse error before "const"
version-etc.c:53: error: parse error before "const"
version-etc.c:53: error: parse error before ')' token
gmake[3]: *** [version-etc.o] Error 1
gmake[3]: Leaving directory `/usr/local/appl/gnu/m4/m4-1.4.11/lib'
gmake[2]: *** [all] Error 2
gmake[2]: Leaving directory `/usr/local/appl/gnu/m4/m4-1.4.11/lib'
gmake[1]: *** [all-recursive] Error 1
gmake[1]: Leaving directory `/usr/local/appl/gnu/m4/m4-1.4.11'
gmake: *** [all] Error 2

<=

could you advise

] cat -n src/version-etc.c | sed '47,55p;d'

    47  {

    48    va_list tmp_authors;

    49

    50    va_copy (tmp_authors, authors);

    51

    52    n_authors = 0;

    53    while (va_arg (tmp_authors, const char *) != NULL)

    54      ++n_authors;

    55  }

It seems your system doesn't have a working va_arg macro.  What version of irix are you using?  What version of gcc are you using? m4-1.4.11 builds and passes all tests for me with both sgi's compiler and my gcc-4.2.3 installation:

 ] ./config.guess

 mips-sgi-irix6.5

 ] /bin/cc -v

 MIPSpro Compilers: Version 7.4.4m

 ] ./configure CC='/bin/cc'

 ...

 ] make all check

 ...

 ===================

 All 47 tests passed

 ===================

 ...

 Skipped checks were:

   ./109.changeword ./110.changeword ./111.changeword ./112.changeword ./113.changeword ./114.changeword

 All checks successful

 ] make clean

 ...

 ] /opt/gnu/gcc423/bin/gcc --version

 gcc (GCC) 4.2.3

 Copyright (C) 2007 Free Software Foundation, Inc.

 This is free software; see the source for copying conditions.  There is NO

 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

 

 ] ./configure CC='/opt/gnu/gcc42/bin/gcc'

 ...

 ] make all check

 ...

 ===================

 All 47 tests passed

 ===================

 ...

 Skipped checks were:

   ./109.changeword ./110.changeword ./111.changeword ./112.changeword ./113.changeword ./114.changeword

 All checks successful

Maybe your gcc is not installed correctly?

However, since m4-1.4.11 has 3 authors, you could work around it by rewriting the version_etc function to accept author names explicitly:

void  

version_etc (FILE *stream,

             const char *command_name, const char *package,

             const char *version, const char *author1, const char *author2,

     const char *author3, const char *ignored)

{

  if (command_name)

    fprintf (stream, "%s (%s) %s\n", command_name, package, version);

  else

    fprintf (stream, "%s %s\n", package, version);

  /* TRANSLATORS: Translate "(C)" to the copyright symbol

     (C-in-a-circle), if this symbol is available in the user's

     locale.  Otherwise, do not translate "(C)"; leave it as-is.  */

  fprintf (stream, version_etc_copyright, _("(C)"), COPYRIGHT_YEAR);

  fputs (_("\

\n\

License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\n\

This is free software: you are free to change and redistribute it.\n\

There is NO WARRANTY, to the extent permitted by law.\n\

\n\

"),

         stream);

  /* TRANSLATORS: Each %s denotes an author name.  */

  fprintf (stream, _("Written by %s, %s, and %s.\n"), author1, author2, author3);

}     

Cheers,

Gary

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