On Tuesday 23 September 2008 11:45:40 Unga wrote:
> Hi
>
> I'm trying to compile Perl on FreeBSD. It get cleanly compiled on FreeBSD
> 7.0.
>
> But on another test system running RELENG_7 where I do weired things, it
> develops errors. There must be something wrong with my test system, I would
> like to understand what cause this error.
>
> cc -c -DPERL_CORE -DHAS_FPSETMASK -DHAS_FLOATINGPOINT_H
> -fno-strict-aliasing -pipe -std=c89 -O -Wall -ansi -W -Wextra
> -Wdeclaration-after-statement -Wendif-labels -Wc++-compat toke.c
>
> toke.c: In function 'Perl_yylex':
> toke.c:6633: error: lvalue required as unary '&' operand
> toke.c:6633: error: lvalue required as unary '&' operand
> Line 6633:
> if (memchr(tmpbuf, ':', len))
> sv_setpvn(PL_subname, tmpbuf, len);
> else {
> sv_setsv(PL_subname,PL_curstname);
> sv_catpvs(PL_subname,"::");
> sv_catpvn(PL_subname,tmpbuf,len);
These line numbers are off. There's no '&' anywhere here. Any chance this file
wasn't passed through yacc/lex? Does an '&' show up in raw cpp output (maybe
memchr was defined as some macro)? Try:
cpp -DPERL_CORE -DHAS_FPSETMASK -DHAS_FLOATINGPOINT_H -fno-strict-aliasing
-pipe \
-std=c89 -O -Wall -ansi -W -Wextra -Wdeclaration-after-statement \
-Wendif-labels -Wc++-compat -o toke.out
Then inspect toke.out.
--
Mel
Problem with today's modular software: they start with the modules
and never get to the software part.
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