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Re: gcc trunk fails to build without isl/cloog


On Aug 13, 2012, at 12:42 PM, H.J. Lu wrote:

> On Mon, Aug 13, 2012 at 9:01 AM,  <Paul_Koning@dell.com> wrote:
>> The installation instructions seem to imply that GCC can be built without having ISL and/or CLOOG installed, and the configure script accepts --without-isl and --without-cloog.
>> 
>> But I can't build that.  Reading the installation instructions makes me expect that such a configuration would skip the building of the "graphite" loop optimization machinery.  What happens instead is that it's built anyway, but the makefile aborts at the point where it tries to compile gcc/graphite.c (because cloog/cloog.h does not exist).
>> 
>> Is this supposed to work?
>> 
> 
> Trunk builds fine without ppl when GCC is configured with --without-ppl:
> 
> auto-host.h:/* #undef HAVE_cloog */
> 
> [hjl@gnu-mic-2 build-x86_64-linux]$ ldd gcc/cc1
> 	linux-vdso.so.1 =>  (0xff980000)
> 	libmpc.so.2 => /libx32/libmpc.so.2 (0xf73ad000)
> 	libmpfr.so.4 => /libx32/libmpfr.so.4 (0xf7157000)
> 	libgmp.so.10 => /libx32/libgmp.so.10 (0xf6eeb000)
> 	libdl.so.2 => /libx32/libdl.so.2 (0xf6ce8000)
> 	libz.so.1 => /libx32/libz.so.1 (0xf6ad4000)
> 	libm.so.6 => /libx32/libm.so.6 (0xf67db000)
> 	libc.so.6 => /libx32/libc.so.6 (0xf642c000)
> 	/libx32/ld-linux-x32.so.2 (0xf75c1000)
> [hjl@gnu-mic-2 build-x86_64-linux]$
> 
> I do have mpc, mpfr and gmp.

Is ppl another name for cloog?  If I don't have cloog, should I say --without-ppl?  That doesn't make much sense, and it isn't documented.

	paul


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