On Mon, 13 May 2002, Mike A. Harris wrote:
> New versions of the gcc compiler have an optimization called
> "string merging" which is enabled by default. The XFree86 module
> loader chokes on the ELF sections that this optimization adds to
> the ELF objects.
> To work around this XFree86 module loader limitation, you need
> to pass -fno-merge-constants to the linker when modules are
> being built. This can be done from host.def with:
> ModuleLdFlags -fno-merge-constants
That should have a "#define " in front of it.
> This was automatically detected in later 4.1.0 CVS, and also in
> 4.2.0 CVS however it looks like someone removed the automatic
> checks in head CVS.
No, it wasn't removed. But, it's possible that
gcc -fmerge-constants -xc /dev/null -S -o /dev/null
... no longer generates a zero return (i.e. is no longer a valid test to
determine whether or not the compiler has merge-constants support).
Marc.
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