Hello guys, I just wanted to drop a little note that I've finally been successful in building the core GNUstep components with clang (there have been some linkage problems with libobjc2, which Richard fixed last night). Only -gui needed a little nudging (apparently, clang is very specific about not wanting unions with variable-sized members -- patch attached). The combination still seems to be rough on the edges (crashes here and there, odd effects in gdb) , but the more adventurous can surely try it out without being totally frustated.
Cheers, Niels
Index: Source/NSColor.m
===================================================================
--- Source/NSColor.m (revision 29361)
+++ Source/NSColor.m (working copy)
@@ -1265,17 +1265,14 @@
- (NSUInteger) hash
{
int nums = [self numberOfComponents];
- union {
- uint8_t bytes[sizeof(float) * nums];
- float floats[nums];
- } u;
+ float floats[nums];
NSUInteger h = 0;
unsigned i;
- [self getComponents: u.floats];
- for (i = 0; i < sizeof(u); i++)
+ [self getComponents: &floats[0]];
+ for (i = 0; i < sizeof(floats); i++)
{
- h = (h << 5) + h + u.bytes[i];
+ h = (h << 5) + h + *(uint8_t*)(((uintptr_t)&floats[0])+(i*sizeof(uint8_t)));
}
return h;
}
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