Re: Problem with CVS source

2008/10/28 Nikos Balkanas <[email protected]>:
> Hi,
>
> After looking at it a bit longer, I think I need some help with it. In
> Solaris 10.5 the cvs is broken. The build failes in wmlscript/wlexer.c
> (1037):
>
> if (*result == *HUGE_VAL || *result == -(*HUGE_VAL)>.>..>..// NIKOS!!
>         || ws_ieee754_encode_single(*result, buf) != WS_IEEE754_OK)
>         ws_src_error(compiler, 0, "floating point literal too large");
> Are these lines really important? We are talking for a 64bit build here (of
> course the same lines will affect 32bit builds as well). HUGE_VAL is
> undefined in the CVS version:
>
> Undefined                       first referenced
>  symbol                             in file
> __builtin_huge_val                  libwmlscript.a(wslexer.o)
> ld: fatal: Symbol referencing errors. No output written to wmlscript/wmlsc
> This is after I commented out the relevant code in wslexer.c and filled in
> for a simple printf. Of interest is that in the CVS version HUGE_VAL is a
> undefined pointer, whereas in the 1.4.1 version it is a float(correct).
>
> Source, includes and dependencies are exactly the same:
>
> gateway-1.4.1/.depend:
> wmlscript/wslexer.o: wmlscript/wslexer.c wmlscript/wsint.h ./gw-config.h \
>   ./gwlib/gwassert.h ./gwlib/log.h wmlscript/ws.h wmlscript/wsutf8.h \
>   wmlscript/wserror.h wmlscript/wsieee754.h wmlscript/wsbuffer.h \
>   wmlscript/wsencode.h wmlscript/wsalloc.h wmlscript/wsfalloc.h \
>   wmlscript/wsstream.h wmlscript/wshash.h wmlscript/wsbc.h \
>   wmlscript/wsstree.h wmlscript/wsasm.h wmlscript/wsopt.h \
>   wmlscript/wsstdlib.h wmlscript/wsgram.h
>
> CVS/.depend:
> wmlscript/wslexer.o wmlscript/wslexer.i: wmlscript/wslexer.c \
>   wmlscript/wsint.h ./gw-config.h ./gwlib/gwassert.h ./gwlib/log.h \
>   wmlscript/ws.h wmlscript/wsutf8.h wmlscript/wserror.h \
>   wmlscript/wsieee754.h wmlscript/wsbuffer.h wmlscript/wsencode.h \
>   wmlscript/wsalloc.h wmlscript/wsfalloc.h wmlscript/wsstream.h \
>   wmlscript/wshash.h wmlscript/wsbc.h wmlscript/wsstree.h \
>   wmlscript/wsasm.h wmlscript/wsopt.h wmlscript/wsstdlib.h \
>   wmlscript/wsgram.h
> Where is wmlscript invoked? I have some issues right now with the client, so
> I cannot run a debugger on it.
>
> Any help would be appreciated.
>
> Thanks,
> Nikos
>
> ----- Original Message -----
> From: Nikos Balkanas
> To: Stipe Tolj
> Cc: [email protected]
> Sent: Monday, October 27, 2008 9:43 PM
> Subject: Re: Problem with CVS source
>
> Dear Stipe,
>
> It seems that the problem is not what I first suspected. You see the file
> wslexer.c is exactly the same in both cases (gateway-1.4.1 and cvs gateway).
> Therefore it is not a HUGE_VAL problem I first suspected.
>
> This is strange. I am using exactly the same environment, gcc, configuration
> as with the gateway-1.4.1 version. Yet make fails on exactly the same file.
> I will have to look more into it. Meanwhile if you have seen this before,
> pls let me know.
>
> Nikos
> On Mon, Oct 27, 2008 at 9:26 PM, Nikos Balkanas <[email protected]> wrote:
>>
>> Thanks, Stipe, for the fast reply. Please see my comments inlined.
>>
>> Regards,
>>
>> Nikos
>>
>> On Mon, Oct 27, 2008 at 8:10 PM, Stipe Tolj <[email protected]> wrote:
>>>
>>> Nikos Balkanas schrieb:
>>> > Hi,
>>> >
>>> > I am rather new to the list. I tried to download and compile the latest
>>> > CVS source and I got the following error:
>>> >
>>> > gcc -std=gnu99 -D_REENTRANT=1 -I. -Igw -O6 -s -m64 -D_LARGE_FILES=
>>> > -I/usr/include/libxml2 -I/usr/local/include -Wall -Wmissing-prototypes
>>> > -Wmissing-declarations -Wnested-externs -Winline -Wformat
>>> > -Wformat-security -Wmissing-format-attribute -Wall
>>> > -I/usr/local/ssl/include -o wmlscript/wslexer.o -c wmlscript/wslexer.c
>>> > wmlscript/wslexer.c:222: warning: no previous prototype for 'ws_yy_lex'
>>> > wmlscript/wslexer.c: In function `read_float_from_exp':
>>> > wmlscript/wslexer.c:1037: error: invalid operands to binary ==
>>> > wmlscript/wslexer.c:1038: error: wrong type argument to unary minus
>>> > make: *** [wmlscript/wslexer.o] Error 1
>>>
>>> there is something wrong with your local CVS checkout tree. Make sure you
>>>
>>>  $ make clean
>>>  $ make
>>
>> To be sure I rm -rf gateway and restored from CVS again.
>>
>>>
>>> in order to remove any previously build objects. The configure run was
>>> clean?
>>
>>
>> Yes. Apart from docbook support which I don't particular care (This is a
>> minimal server for security/performance reasons)
>>  CFLAGS="-O6 -s -m64 -DSunOS" CPPFLAGS="-I/usr/local/ssl/include"
>> configure --build=ia64-pc-solaris2.10 --libdir=/usr/local/lib/64
>> --enable-ssl --enable-cookies --enable-debug --enable-warnings --enable-docs
>> --mandir=/usr/local/man --with-ssl=/usr/local/ssl --enable-pcre
>>
>> gateway-1.4.1 compiled with the same configuration with no problems.
>> The issue seems to be with HUGE_VAL and Solaris. I don't have a linux in
>> front of me to check, but in solaris 10.5 in /usr/include/iso/math_iso.h:
>> #define HUGE_VAL __huge_val._d

HUGE_VAL is a standard C feature. And __builtin_huge_val() is a
GCC-specific extension for implementing this one.

gcc had some troubles with math.h in solaris.

Which gcc version are you using?

M