Refactor dox.sh, add loongarch64 and nvptx64

Author: sayantn

Diff for: ci/dox.sh

@@ -6,47 +6,34 @@
 
 set -ex
 
-rm -rf target/doc
-mkdir -p target/doc
-
 dox() {
-  local arch=$1
-  local target=$2
-
-  echo "documenting ${arch}"
-
   if [ "$CI" != "" ]; then
-    rustup target add "${target}" || true
+    rustup target add "${1}" || true
   fi
 
-  rm -rf "target/doc/${arch}"
-  mkdir "target/doc/${arch}"
+  cargo clean --target "${1}"
 
-  cargo build --verbose --target "${target}" --manifest-path crates/core_arch/Cargo.toml
-  cargo build --verbose --target "${target}" --manifest-path crates/std_detect/Cargo.toml
+  cargo build --verbose --target "${1}" --manifest-path crates/core_arch/Cargo.toml
+  cargo build --verbose --target "${1}" --manifest-path crates/std_detect/Cargo.toml
 
-  rustdoc --verbose --target "${target}" \
-          -o "target/doc/${arch}" crates/core_arch/src/lib.rs \
-          --edition=2018 \
-          --crate-name core_arch \
-          --library-path "target/${target}/debug/deps"
-  rustdoc --verbose --target "${target}" \
-          -o "target/doc/${arch}" crates/std_detect/src/lib.rs \
-          --edition=2018 \
-          --crate-name std_detect \
-          --library-path "target/${target}/debug/deps" \
-          --extern cfg_if="$(ls target/"${target}"/debug/deps/libcfg_if-*.rlib)" \
-          --extern libc="$(ls target/"${target}"/debug/deps/liblibc-*.rlib)"
+  cargo doc --verbose --target "${1}" --manifest-path crates/core_arch/Cargo.toml
+  cargo doc --verbose --target "${1}" --manifest-path crates/std_detect/Cargo.toml
 }
 
-dox i686 i686-unknown-linux-gnu
-dox x86_64 x86_64-unknown-linux-gnu
-dox arm armv7-unknown-linux-gnueabihf
-dox aarch64 aarch64-unknown-linux-gnu
-dox powerpc powerpc-unknown-linux-gnu
-dox powerpc64le powerpc64le-unknown-linux-gnu
-# MIPS targets disabled since they are dropped to tier 3.
-# See https://github.com/rust-lang/compiler-team/issues/648
-#dox mips mips-unknown-linux-gnu
-#dox mips64 mips64-unknown-linux-gnuabi64
-dox wasm32 wasm32-unknown-unknown
+if [ -z "$1" ]; then
+  dox i686-unknown-linux-gnu
+  dox x86_64-unknown-linux-gnu
+  dox armv7-unknown-linux-gnueabihf
+  dox aarch64-unknown-linux-gnu
+  dox powerpc-unknown-linux-gnu
+  dox powerpc64le-unknown-linux-gnu
+  dox loongarch64-unknown-linux-gnu
+  # MIPS targets disabled since they are dropped to tier 3.
+  # See https://github.com/rust-lang/compiler-team/issues/648
+  #dox mips-unknown-linux-gnu
+  #dox mips64-unknown-linux-gnuabi64
+  dox wasm32-unknown-unknown
+  dox nvptx64-nvidia-cuda
+else
+  dox "${1}"
+fi