From 4ba7e8862977b92c6cf9e1843111729a5bd1f3fb Mon Sep 17 00:00:00 2001
From: aarkegz <aarkegz@gmail.com>
Date: Sat, 12 Jul 2025 20:30:51 +0800
Subject: [PATCH 1/5] introduce explicit "no_std" to avoid compiler errors on
 targets without "std"

---
 src/lib.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/lib.rs b/src/lib.rs
index 160619d..154b3e8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,4 @@
+#![cfg_attr(not(feature = "std"), no_std)]
 #![doc = include_str!("./CRATE_DOC.md")]
 
 /// `Enumerable` is a trait for types that can have their possible values enumerated.

From c38dbb75a222a7ad5991231231812d1549384520 Mon Sep 17 00:00:00 2001
From: aarkegz <aarkegz@gmail.com>
Date: Sat, 12 Jul 2025 20:31:08 +0800
Subject: [PATCH 2/5] add a section in ci test

---
 .github/workflows/ci.yml | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2438d88..3d02cb4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,6 +12,17 @@ jobs:
       - run: ./examples/run_examples.sh
       - run: ./examples/example_crates/run_example_crates.sh
 
+  multi_targets_build:
+    name: multi-targets build
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        target: [x86_64-unknown-linux-gnu, aarch64-unknown-linux-gnu, x86_64-unknown-none, aarch64-unknown-none-softfloat]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - run: cargo build --target ${{ matrix.target }} --all-features
+
   rustfmt-check:
     name: rustfmt check
     runs-on: ubuntu-latest

From 873030ae14af1448ca9753463b7df694effee487 Mon Sep 17 00:00:00 2001
From: aarkegz <aarkegz@gmail.com>
Date: Sat, 12 Jul 2025 20:55:29 +0800
Subject: [PATCH 3/5] fix tests

---
 .github/workflows/ci.yml                   | 10 +++++++++-
 examples/example_crates/no_std/Cargo.toml  |  5 +++++
 examples/example_crates/no_std/src/main.rs |  4 ++--
 3 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3d02cb4..5874b31 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,10 +17,18 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        target: [x86_64-unknown-linux-gnu, aarch64-unknown-linux-gnu, x86_64-unknown-none, aarch64-unknown-none-softfloat]
+        target:
+          - x86_64-unknown-linux-gnu
+          - x86_64-unknown-none
+          - aarch64-unknown-linux-gnu
+          - aarch64-unknown-none-softfloat
+          - riscv64gc-unknown-none-softfloat
+          - riscv64imac-unknown-none-softfloat
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: ${{ matrix.target }}
       - run: cargo build --target ${{ matrix.target }} --all-features
 
   rustfmt-check:
diff --git a/examples/example_crates/no_std/Cargo.toml b/examples/example_crates/no_std/Cargo.toml
index 3611bc2..2b9acaa 100644
--- a/examples/example_crates/no_std/Cargo.toml
+++ b/examples/example_crates/no_std/Cargo.toml
@@ -9,3 +9,8 @@ version = "0.1.0"
 
 [dependencies]
 enumerable = { path = "../../../", default-features = false }
+
+[profile]
+dev.panic = "abort"
+release.panic = "abort"
+
diff --git a/examples/example_crates/no_std/src/main.rs b/examples/example_crates/no_std/src/main.rs
index 534d6c8..54e6861 100644
--- a/examples/example_crates/no_std/src/main.rs
+++ b/examples/example_crates/no_std/src/main.rs
@@ -1,6 +1,6 @@
 //! This example tests the `Enumerable` derive macro in a `no_std` environment.
-
-#![no_std]
+//! 
+//! This example itself is not `no_std`, but it uses the `enumerable` crate with `default-features = false`.
 
 use enumerable::Enumerable;
 

From df7ac056e2a8551e61c98aa84a6f65b4fa00082e Mon Sep 17 00:00:00 2001
From: aarkegz <aarkegz@gmail.com>
Date: Sat, 12 Jul 2025 20:59:03 +0800
Subject: [PATCH 4/5] fix "multi-targets-no-std" ci test

---
 .github/workflows/ci.yml | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5874b31..2d53510 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,8 +12,8 @@ jobs:
       - run: ./examples/run_examples.sh
       - run: ./examples/example_crates/run_example_crates.sh
 
-  multi_targets_build:
-    name: multi-targets build
+  multi-targets-no-std:
+    name: multi-targets no_std
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -29,7 +29,8 @@ jobs:
       - uses: dtolnay/rust-toolchain@stable
         with:
           targets: ${{ matrix.target }}
-      - run: cargo build --target ${{ matrix.target }} --all-features
+          components: rustc, cargo
+      - run: cargo build --target ${{ matrix.target }} --no-default-features
 
   rustfmt-check:
     name: rustfmt check

From 6fcca6249e86e29358fe3fb449729e3d53d206d2 Mon Sep 17 00:00:00 2001
From: aarkegz <aarkegz@gmail.com>
Date: Sat, 12 Jul 2025 21:06:36 +0800
Subject: [PATCH 5/5] fix target names for riscv targets

---
 .github/workflows/ci.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2d53510..779b7de 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,8 +22,8 @@ jobs:
           - x86_64-unknown-none
           - aarch64-unknown-linux-gnu
           - aarch64-unknown-none-softfloat
-          - riscv64gc-unknown-none-softfloat
-          - riscv64imac-unknown-none-softfloat
+          - riscv64gc-unknown-none-elf
+          - riscv64imac-unknown-none-elf
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable