From d447f7cc972c7995d8f4589c2ee0d15175600118 Mon Sep 17 00:00:00 2001
From: Tadeo hepperle <tadeo@do-mix.de>
Date: Wed, 14 Feb 2024 15:57:23 +0100
Subject: [PATCH] remove libc and add small readme with test instructions

---
 testing/no-std-tests/Cargo.lock | 1 -
 testing/no-std-tests/Cargo.toml | 1 -
 testing/no-std-tests/README.md  | 7 +++++++
 3 files changed, 7 insertions(+), 2 deletions(-)
 create mode 100644 testing/no-std-tests/README.md

diff --git a/testing/no-std-tests/Cargo.lock b/testing/no-std-tests/Cargo.lock
index 277d009358..ee4afadfe7 100644
--- a/testing/no-std-tests/Cargo.lock
+++ b/testing/no-std-tests/Cargo.lock
@@ -361,7 +361,6 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 name = "subxt-core-no-std-tests"
 version = "0.0.0"
 dependencies = [
- "libc",
  "libc_alloc",
  "parity-scale-codec",
  "subxt-metadata",
diff --git a/testing/no-std-tests/Cargo.toml b/testing/no-std-tests/Cargo.toml
index 29a4bca242..503326d5b5 100644
--- a/testing/no-std-tests/Cargo.toml
+++ b/testing/no-std-tests/Cargo.toml
@@ -8,7 +8,6 @@ resolver = "2"
 [dependencies]
 subxt-metadata = { path = "../../metadata", default-features = false }
 codec = { package = "parity-scale-codec", version = "3.6.9", default-features = false, features = ["derive"] }
-libc = { version = "0.2", default-features = false }
 libc_alloc = { version = "1.0.6" }
 
 [profile.dev]
diff --git a/testing/no-std-tests/README.md b/testing/no-std-tests/README.md
new file mode 100644
index 0000000000..2b662bb455
--- /dev/null
+++ b/testing/no-std-tests/README.md
@@ -0,0 +1,7 @@
+# No-Std Testing Crate
+
+To test the no-std compatibility of various subxt-* crates, please run:
+
+```bash
+cargo build --target thumbv7em-none-eabi
+```
\ No newline at end of file