On 2 October 2015 at 11:51, dclarke@xxxxxxxxxxxxx wrote: > > Dear gcc types : > > It has been a while since I tried to bootstrap gcc and with the latest > production release 5.2.0 and I see on the "Prerequisites for GCC" page > that "ISL Library version 0.15, 0.14, 0.13, or 0.12.2" is required as > per https://gcc.gnu.org/install/prerequisites.html It's not required, because it's only used for the optional Graphite optimisations. > I therefore fetched isl 0.15 from the infrastructure ftp site : > > ftp://gcc.gnu.org/pub/gcc/infrastructure/isl-0.15.tar.bz2 > > I extracted it into the gcc 5.2.0 source tree and created a symlink > from isl-0.15 to isl thus : > > # bzip2 -dc ../../src/isl-0.15.tar.bz2 | tar -xf - > # ln -s ./isl-0.15 ./isl > > This results in the in-tree extracted sources for the pre-requisites : > > # ls -lad gmp-6.0.0 gmp mpfr-3.1.3 mpfr mpc-1.0.3 mpc isl isl-0.15 > lrwxrwxrwx 1 root root 11 Sep 21 22:14 gmp -> ./gmp-6.0.0 > drwxr-xr-x 15 1001 root 70 Mar 25 2014 gmp-6.0.0 > lrwxrwxrwx 1 root root 10 Oct 2 10:46 isl -> ./isl-0.15 > drwxrwxr-x 9 1000 1000 187 Jun 11 10:47 isl-0.15 > lrwxrwxrwx 1 root root 11 Sep 21 22:14 mpc -> ./mpc-1.0.3 > drwxr-xr-x 6 1001 1001 29 Feb 16 2015 mpc-1.0.3 > lrwxrwxrwx 1 root root 12 Sep 21 22:15 mpfr -> ./mpfr-3.1.3 > drwxr-xr-x 9 1000 1000 35 Jun 19 19:55 mpfr-3.1.3 > > > I then do configure in a build directory as per usual and then try > a bootstrap using my available gcc compiler thus : > > mimas_# which gcc > /usr/local/gcc4/bin/gcc > > mimas_# gcc --version > gcc (genunix Fri Jan 2 11:56:03 GMT 2015) 4.9.2 > Copyright (C) 2014 Free Software Foundation, Inc. > This is free software; see the source for copying conditions. There is > NO > warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR > PURPOSE. > > > The make process runs for hours and then fails : > > . > . > . > In file included from > /usr/local/build/gcc-5.2.0/isl/include/isl/map_type.h:4:0, > from > /usr/local/build/gcc-5.2.0/isl/include/isl/set.h:13, > from ../../gcc-5.2.0/gcc/graphite.c:38: > /usr/local/build/gcc-5.2.0/isl/include/isl/ctx.h:83:17: warning: comma > at end of enumerator list [-Wpedantic] > isl_stat_ok = 0, > ^ > In file included from ../../gcc-5.2.0/gcc/graphite.c:88:0: > ../../gcc-5.2.0/gcc/graphite-poly.h:398:43: error: 'isl_constraint' has > not been declared > extern void print_isl_constraint (FILE *, isl_constraint *); > ^ > ../../gcc-5.2.0/gcc/graphite-poly.h:402:35: error: variable or field > 'debug_isl_constraint' declared void > extern void debug_isl_constraint (isl_constraint *); > ^ > ../../gcc-5.2.0/gcc/graphite-poly.h:402:35: error: 'isl_constraint' was > not declared in this scope > ../../gcc-5.2.0/gcc/graphite-poly.h:402:51: error: expected > primary-expression before ')' token > extern void debug_isl_constraint (isl_constraint *); > ^ > gmake[3]: *** [graphite.o] Error 1 > gmake[3]: Leaving directory > `/usr/local/build/gcc-5.2.0_SunOS5.10_sparcv9.001/gcc' > gmake[2]: *** [all-stage1-gcc] Error 2 > gmake[2]: Leaving directory > `/usr/local/build/gcc-5.2.0_SunOS5.10_sparcv9.001' > gmake[1]: *** [stage1-bubble] Error 2 > gmake[1]: Leaving directory > `/usr/local/build/gcc-5.2.0_SunOS5.10_sparcv9.001' > gmake: *** [all] Error 2 > > > Wondering if isl 0.15 is really ready to go or should I use a previous > version or can I remove the isl bits entirely ? You don't need ISL to build GCC and can remove it entirely. Or you can run ./contrib/download_prerequisites to fetch known-good versions (that uses isl-0.14)
