id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc
4433	Add ISL to book	thomas	lfs-book	"This is to follow a thread started by Xi Ruoyao:

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Now GCC relys on ISL (https://repo.or.cz/isl.git) to enable graphite
optimization, instead of Cloog-PPL and PPL.

We should update this in LFS Appendix C.

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Better, just add it to the book in the 8.5 cycle and remove the note. It's a
tiny addition.

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Another issue: ISL is also an optional dependency of Binutils (to enable
parallel linking of ld.gold).  And, ISL must be built after GMP.  So if we would
do that the build sequence should be changed to:

Bc -> GMP -> ISL -> Binutils -> MPFR -> MPC -> Shadow -> GCC

I tried this once but it seems some GMP tests were skipped.  So I rebuilt GMP
after Binutils:

Bc -> GMP (some tests skipped) -> ISL -> Binutils -> GMP (final) -> MPFR -> ...

"	enhancement	closed	normal	9.0	Book	SVN	normal	wontfix