[GEM-dev] image quality when saving

[cyrille henry]

hello,

i'm still using ubuntu 10.04 (and i'll probably use it until 12.04)
so, i've got an older gcc than you

g++ --version
g++ (Ubuntu 4.4.3-4ubuntu5) 4.4.3


and yes, everything compile. (have no time to test everything now)

thanks
c



Le 22/06/2011 10:29, IOhannes m zmoelnig a écrit :
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> On 2011-06-21 20:07, cyrille henry wrote:
>> hello,
>>
>> i now have an error compiling the svn (rev 4078)
>>
>>
>
>> libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DHAVE_VERSION_H -DPD
>> -I/usr/include/FTGL -I/usr/include/freetype2 -g -O2 -fPIC
>> -freg-struct-return -O3 -falign-loops -falign-functions -falign-jumps
>> -funroll-loops -ffast-math -mmmx -MT libBase_la-GemPixUtil.lo -MD -MP
>> -MF .deps/libBase_la-GemPixUtil.Tpo -c GemPixUtil.cpp  -fPIC -DPIC -o
>> .libs/libBase_la-GemPixUtil.o
>> GemPixUtil.cpp: In member function ‘virtual void
>> imageStruct::fromRGBA(const unsigned char*)’:
>
> ok, i understand the reason for the problem (me suddenly starting to
> flag constant parameters as "const", which makes some problems with
> legacy code that did not do so)
>
> i had fixed all issues visible in my compilation, but it turns out i had
> compiled without sse2 support (and without Altivec support as well), and
> there were some functions hidden in the optimized routines that slipped
> my attention.
>
> the problems should be fixed now (rev.4080)
>
>
> what i don't understand is, why your system builds SSE2 code at all.
> you probably want that anyhow, so you don't care so much; but there is
> no indication in your compiler-flags telling it to enable sse (should be
> "-msse2" somewhere)
> which compiler are you using?
> here it says
> $ g++ --version
> g++ (Debian 4.6.0-10) 4.6.1 20110526 (prerelease)
>
>
> mfgasdr
> IOhannes
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