[Rd] Error compiling R on RS6000 (PR#475)
08 Mar 2000 07:39:59 -0600
Thomas J Vogels <firstname.lastname@example.org> writes:
> I'll assume Paul meant config.site which contains all the extra
> compiler and linker flags and those flags are somewhat involved in
> his environment. Triggered by Paul's email I tried to
> compile R-1.0.0. It compiles cleanly but dies with "Illegal
> Instruction" upon start. Sorry, I don't have any further insight
> into this problem at this time.
Do the compilers need special flags to control IEEE floating point
behavior? One of the first things that R does on startup is to force
an evaluation of 1.0/0.0 and store the result as a global "Infinity".
On some architecture/compiler combinations this will generate an error
unless you instruct the compiler to insert special code for full IEEE
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