branch wip-riscv created (now e50ed7a)

[guix-commits]

efraim pushed a change to branch wip-riscv
in repository guix.

      at e50ed7a  gnu: lapack: Fix building on riscv64-linux.

This branch includes the following new commits:

     new e1f226e  utils: Define 'target-riscv?' predicate.
     new 049e686  gnu: bootstrap: Add support for riscv64-linux.
     new 9a13706  gnu: gcc-boot0: Use libstdc++-boot0-gcc7 on riscv64-linux.
     new 6e9d701  gnu: %boot3-inputs: Add missing input.
     new 9440a6c  gnu: guile: Fix building on riscv64-linux.
     new 337c42e  gnu: %final-inputs: Add implied gcc:lib input.
     new 9758889  gnu: bdb: Fix building on riscv64-linux.
     new e9144cc  gnu: elfutils: Fix building on riscv64-linux.
     new 874b693  gnu: pcre: Fix building on riscv64-linux.
     new 093c3e6  gnu: openssl: Fix build on riscv64-linux.
     new 9aae8ef  gnu: libtool: Fix building on riscv64-linux.
     new 3c3666c  gnu: openblas: Fix building on riscv64-linux.
     new 68a5116  gnu: mesa: Add support for riscv64-linux.
     new d83e76f  gnu: pcre2: Fix building on riscv64-linux.
     new 3007cce  gnu: icu4c: Skip tests on riscv64-linux.
     new dcad30e  gnu: openblas-ilp64: Add riscv64-linux as a supported 
architecture.
     new 6a3bdea  gnu: openlibm: Remove riscv64-linux from supported systems.
     new fce3042  gnu: texlive-bin: Fix building on riscv64-linux.
     new 0375a20  gnu: texlive-updmap.cfg: Update hash.
     new 996a1fa  gnu: lz4: Build on riscv64-linux without valgrind.
     new e50ed7a  gnu: lapack: Fix building on riscv64-linux.

The 21 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.