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-rw-r--r--.travis.yml20
-rw-r--r--Cargo.toml3
-rw-r--r--ci/script.sh4
-rw-r--r--src/lib.rs7
4 files changed, 26 insertions, 8 deletions
diff --git a/.travis.yml b/.travis.yml
index 1aead9b..1497c7a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,6 +22,26 @@ matrix:
rust: stable
if: (branch = staging OR branch = trying) OR (type = pull_request AND branch = master)
+ # MSRV
+ - env: TARGET=thumbv6m-none-eabi
+ rust: 1.31.0
+ if: (branch = staging OR branch = trying) OR (type = pull_request AND branch = master)
+
+ # MSRV
+ - env: TARGET=thumbv7m-none-eabi
+ rust: 1.31.0
+ if: (branch = staging OR branch = trying) OR (type = pull_request AND branch = master)
+
+ # MSRV
+ - env: TARGET=thumbv7em-none-eabi
+ rust: 1.31.0
+ if: (branch = staging OR branch = trying) OR (type = pull_request AND branch = master)
+
+ # MSRV
+ - env: TARGET=thumbv7em-none-eabihf
+ rust: 1.31.0
+ if: (branch = staging OR branch = trying) OR (type = pull_request AND branch = master)
+
- env: TARGET=thumbv6m-none-eabi
rust: nightly
if: (branch = staging OR branch = trying) OR (type = pull_request AND branch = master)
diff --git a/Cargo.toml b/Cargo.toml
index 9fa65b6..53f2e46 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,10 +16,9 @@ links = "cortex-m" # prevent multiple versions of this crate to be linked toget
[dependencies]
aligned = "0.3.1"
-bare-metal = "0.2.0"
+bare-metal = { version = "0.2.0", features = ["const-fn"] }
volatile-register = "0.2.0"
[features]
cm7-r0p1 = []
-const-fn = ["bare-metal/const-fn"]
inline-asm = []
diff --git a/ci/script.sh b/ci/script.sh
index 20a8ea2..8046774 100644
--- a/ci/script.sh
+++ b/ci/script.sh
@@ -8,7 +8,7 @@ main() {
cargo check --target $TARGET
if [ $TRAVIS_RUST_VERSION = nightly ]; then
- cargo check --target $TARGET --features 'const-fn inline-asm'
+ cargo check --target $TARGET --features 'inline-asm'
fi
case $TARGET in
@@ -16,7 +16,7 @@ main() {
cargo check --target $TARGET --features cm7-r0p1
if [ $TRAVIS_RUST_VERSION = nightly ]; then
- cargo check --target $TARGET --features 'cm7-r0p1 const-fn inline-asm'
+ cargo check --target $TARGET --features 'cm7-r0p1 inline-asm'
fi
;;
diff --git a/src/lib.rs b/src/lib.rs
index fda3e01..90711bf 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -24,11 +24,10 @@
//!
//! The disadvantage is that `inline-asm` requires a nightly toolchain.
//!
-//! ## `const-fn`
+//! # Minimum Supported Rust Version (MSRV)
//!
-//! Enabling this feature turns the `Mutex.new` constructor into a `const fn`.
-//!
-//! This feature requires a nightly toolchain.
+//! This crate is guaranteed to compile on stable Rust 1.31 and up. It *might*
+//! compile with older versions but that may change in any new patch release.
#![cfg_attr(feature = "inline-asm", feature(asm))]
#![deny(missing_docs)]