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Home » Developing U++ » Releasing U++ » mingw?
Re: mingw? [message #22125 is a reply to message #22124] Fri, 19 June 2009 00:23 Go to previous messageGo to previous message
Sender Ghost is currently offline  Sender Ghost
Messages: 301
Registered: November 2008
Senior Member
Ok, I found the cause. This is O3 GCC compiler optimization option which set by default in Build methods.
void BuildMethods::NewBuilder()
{
	String b = ~builder;
	if(IsNull(speed_options)) {
		if(IsGccBuilder(b))
		#ifdef PLATFORM_WIN32
			speed_options <<= "-O3 -ffunction-sections";
		#else
			speed_options <<= "-O3";
		#endif
		else
			speed_options <<= "-O2";
	}

if(HasFlag("SSE2"))
	cc << " -msse2 -mfpmath=sse";

The O2 instead of O3 compiler option works without crashes with SSE2 flag in GUI applications.

Thank you Koldo for testing.
 
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