Joel, Normally I try building the latest gcc snapshots using the latest versions of prerequisite codes. Some codes are required to build GCC itself while others are needed for the "make check" phase. Below is what I use for the whole build and test process:
# # ActiveTcl-8.6.6.8606-x86_64-linux-glibc-2.5-401948.tar.gz # http://www.activestate.com/activetcl/downloads # autoconf-2.69.tar.gz ftp://ftp.gnu.org/gnu/autoconf/ # autogen-5.18.12.tar.gz ftp://ftp.gnu.org/gnu/autogen/rel5.18.12/ # binutils-2.28.tar.gz ftp://ftp.gnu.org/gnu/binutils/ # bison-3.0.4.tar.gz ftp://ftp.gnu.org/gnu/bison/ # dejagnu-1.6.tar.gz ftp://ftp.gnu.org/gnu/dejagnu/ # expect5.45.tar.gz http://expect.sourceforge.net/#unix # flex-2.6.0.tar.gz https://sourceforge.net/projects/flex/files/ # gawk-4.1.4.tar.gz ftp://ftp.gnu.org/gnu/gawk/ # gc-7.6.0.tar.gz http://www.hboehm.info/gc/gc_source/ # gcc-${ver}.tar.bz2 http://mirrors.concertpass.com/gcc/snapshots/${ver}/ # or http://mirrors.concertpass.com/gcc/releases/gcc-${ver}/ # gdb-7.12.1.tar.gz ftp://ftp.gnu.org/gnu/gdb/ # gettext-0.19.8.1.tar.gz ftp://ftp.gnu.org/gnu/gettext/ # gmp-6.1.2.tar.bz2 ftp://ftp.gnu.org/gnu/gmp/ # guile-2.0.14.tar.gz ftp://ftp.gnu.org/gnu/guile/ # isl-0.18.tar.gz http://isl.gforge.inria.fr/ # libatomic_ops-7.4.4.tar.gz https://github.com/ivmai/libatomic_ops/wiki/Download # libffi-3.2.1.tar.gz https://sourceware.org/libffi/ # libtool-2.4.6.tar.gz ftp://ftp.gnu.org/gnu/libtool/ # libunistring-0.9.7.tar.gz ftp://ftp.gnu.org/gnu/libunistring/ # m4-1.4.18.tar.gz ftp://ftp.gnu.org/gnu/m4/ # mpc-1.0.3.tar.gz ftp://ftp.gnu.org/gnu/mpc/ # mpfr-3.1.5.tar.gz ftp://ftp.gnu.org/gnu/mpfr/ # perl-5.24.1.tar.gz https://www.perl.org/get.html # readline-7.0.tar.gz ftp://ftp.gnu.org/gnu/readline/ # texinfo-6.3.tar.gz ftp://ftp.gnu.org/gnu/texinfo/ # The exception I find to using the latest codes is guile. With guile, the latest version I can use is 2.0.14. There are more recent versions of guile (2.2.0, 2.2.1, 2.2.2), but they seem to be incompatible with the GCC testing phase. Unfortunately, clicking on the "documentation" link on the 7.1 announcement page https://gcc.gnu.org/gcc-7/ gives me Forbidden You don't have permission to access /onlinedocs/7.1.0/ on this server. Apache Server at gcc.gnu.org Port 443 Tom Oppe -----Original Message----- From: gcc-ow...@gcc.gnu.org [mailto:gcc-ow...@gcc.gnu.org] On Behalf Of Joel Sherrill Sent: Tuesday, May 02, 2017 6:18 PM To: GCC Mailing List <gcc@gcc.gnu.org> Subject: [Non-DoD Source] Support Library Requirements for GCC 7.1 Hi I am trying to update the gcc version for rtems to 7.1 and running into trouble finding the correct versions of mpc, mpfr, and gmp. We build those as part of building gcc so we have configuration control over the set. With gcc 6.3.0, we have this in our build recipe: %define mpfr_version 2.4.2 %define mpc_version 0.8.1 %define gmp_version 4.3.2 I tried that with gcc 7.1.0 but the build failed complaining mpfr was too old. I upgraded mpfr and them got a compiler error which appeared to be GMP related so I bumped GMP. The same error remained: ../../../gcc-7.1.0/mpc/src/acos.c: In function 'mpc_acos': ../../../gcc-7.1.0/mpc/src/acos.c:192:19: error: 'GMP_RNDA' undeclared (first use in this function) : rnd_im == GMP_RNDA ? GMP_RNDZ I bumped MPC to 1.0.3 which worked. Now we are using this in the build recipe. %define mpfr_version 3.1.5 %define mpc_version 1.0.3 %define gmp_version 6.1.2 The gcc-7.1.0/INSTALL/prerequisites.html seem to be out of date. I am sure the minimum is lower than what I ended up using. What are the correct minimums for gcc 7.1? Thanks. -joel
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