v2021.07.0

Bruno Thomsen (7):
      host-system-isl: add fedora package help
      host-system-mpfr: add fedora package help
      host-system-gmp: add fedora package help
      host-system-expat: add fedora package help
      host-system-xz: add fedora package help
      host-system-zlib: add fedora package help
      host-system-mpc: add fedora package help

Lucas Stach (2):
      cross-gdb: fix runtime issue with Python 3.9
      cross-binutils: fix handling of relocations in conditional branches on aarch64

Michael Olbrich (28):
      cross-gdb: add patch to fix building with gcc 10
      rules: remove obsolete files
      rules: the special ffmpeg.make has not been needed for a long time
      ptxdist: version bump 2020.08.0 -> 2021.05.0
      cross-elf2flt: version bump 2019.12 -> 2020.09
      fixup_ptxconfigs.sh: support gcc 11.*
      cross-gcc: version bump 10.2.1 -> 11.1.1
      glibc: version bump 2.32 -> 2.33-40-g3f5080aedd16
      cross-binutils: version bump 2.35 -> 2.36.1
      kernel-headers: version bump 5.8 -> 5.12.4
      cross-clang: version bump 10.0.1 -> 12.0.0
      cross-gdb: version bump 9.2 -> 10.2
      uclibc: version bump ng-1.0.34 -> ng-1.0.38
      newlib: version bump 3.3.0 -> 4.1.0
      ptxconfigs: add config for x86_64-v3-linux-gnu_gcc
      ptxconfig: update version to 2021.XX.0 do distinguish devel builds from last release
      cross-gcc*: only use icerun for newer versions
      don't used old icecc versions for cross compiling
      cross-gdb: always build with python support
      cross-rustc: new package
      ptxconfigs: enable rustc for all clang toolchains
      glibc: version bump 2.33-40-g3f5080aedd16 -> glibc-2.33-45-g58b90461ae10
      cross-gcc: version bump 11-20210515 -> 11-20210703
      debian: add excludes for rust
      ptxdist: version bump 2021.05.0 -> 2021.07.0
      host-system-openssl: new package
      cross-rustc: add missing dependency
      release 2021.07.0
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