# enable i686-unknown-linux-gnu target
# and replace pentium4 (SSE2) with pentium3 (no SSE2) in the compiler spec file
#
# Also trying to reduce memory usage by building with
# -debuginfo-level-std=1
# see https://github.com/rust-lang/rust/issues/60294

source+=(config.toml.patch)
sha256sums+=('42e861ba90335d0e2e666e10b12d9ff85ea1bdb711176fb3c09e92375e193660')

eval "$(
  declare -f prepare | \
    sed '
      $ i patch -p1 -i "$srcdir/config.toml.patch"
    '
)"

# stop insanity of nproc (see FS#62952)
eval "$(
  declare -f package_rust | \
    sed '
      s/-j"$(nproc)"/-j1/
    '
)"

if [ "${CARCH}" != 'pentium4' ]; then
  eval "$(
    declare -f prepare | \
      sed '
        $ i sed -i "s/pentium4/pentium3/g" "$srcdir/rustc-$pkgver-src/vendor/rustc-ap-rustc_target/spec/i686_unknown_linux_gnu.rs"
        $ i sed -i "s/pentium4/pentium3/g" "$srcdir/rustc-$pkgver-src/src/librustc_target/spec/i686_unknown_linux_gnu.rs"
        $ i sed -i "s/a75a6025d7e3424edf9baf3039056c0f8eea157631a175d00ac5a218aa54b510/484bf8be15015b330fa9a97b6dabb8c7627e59d5cddb2dd0e83478749f8aabad/g" "$srcdir/rustc-$pkgver-src/vendor/rustc-ap-rustc_target/.cargo-checksum.json"
      '
  )"
fi

# Don't move lib32 support into rust32-lib, we are on 32-bit in the end
# and don't draw a symlink to 64-bit libraries (but to 32-bit instead)
eval "$(
  declare -f package_rust | \
    sed '
      /mv.*i686-unknown-linux-gnu.*/d
      /ln /s/x86_64-unknown-linux-gnu/i686-unknown-linux-gnu/g
    '
)"

# watch for files changing which need patching during the x.py craziness!
# currently this is duplicate U1024 and P1024 types (this is currently needed
# for i686 and 1.38.0)
source+=('watcher.sh')
sha256sums+=('a37ef742e079c7f7e80297bdb97115808b48f77fd92571468853de5cbd7ee800')

# Enable on demand, if your previous rust is broken, see also build-support and AUR
# for rust-bin.
#makedepends=(${makedepends[@]//rust/})
#makedepends+=('rust-bin')

# links run away in upstream rust, we take extra and not trunk, is fixed in trunk upstream
source[2]="http://releases.llvm.org/$_llvm_ver/compiler-rt-$_llvm_ver.src.tar.xz"
source[3]="http://releases.llvm.org/$_llvm_ver/compiler-rt-$_llvm_ver.src.tar.xz.sig"
sha256sums[2]="56e4cd96dd1d8c346b07b4d6b255f976570c6f2389697347a6c3dcb9e820d10e"