Add support to generate gpiosim bindings.
Signed-off-by: Viresh Kumar viresh.kumar@linaro.org --- bindings/rust/libgpiod-sys/Cargo.toml | 1 + bindings/rust/libgpiod-sys/build.rs | 19 +++++++++++++++++-- bindings/rust/libgpiod-sys/gpiosim_wrapper.h | 1 + 3 files changed, 19 insertions(+), 2 deletions(-) create mode 100644 bindings/rust/libgpiod-sys/gpiosim_wrapper.h
diff --git a/bindings/rust/libgpiod-sys/Cargo.toml b/bindings/rust/libgpiod-sys/Cargo.toml index 77f82719d269..73b6761d16dd 100644 --- a/bindings/rust/libgpiod-sys/Cargo.toml +++ b/bindings/rust/libgpiod-sys/Cargo.toml @@ -9,6 +9,7 @@ edition = "2018"
[features] generate = [ "bindgen" ] +gpiosim = [ "generate", "bindgen" ]
[build-dependencies] bindgen = { version = "0.59.1", optional = true } diff --git a/bindings/rust/libgpiod-sys/build.rs b/bindings/rust/libgpiod-sys/build.rs index bbcd30f79d23..147daaf6b1da 100644 --- a/bindings/rust/libgpiod-sys/build.rs +++ b/bindings/rust/libgpiod-sys/build.rs @@ -14,13 +14,25 @@ fn generate_bindings(files: &Vec<&str>) { println!("cargo:rerun-if-changed={}", file); }
+ if cfg!(feature = "gpiosim") { + println!("cargo:rerun-if-changed=gpiosim_wrapper.h"); + } + // The bindgen::Builder is the main entry point // to bindgen, and lets you build up options for // the resulting bindings. - let bindings = bindgen::Builder::default() + let mut builder = bindgen::Builder::default() // The input header we would like to generate // bindings for. - .header("wrapper.h") + .header("wrapper.h"); + + if cfg!(feature = "gpiosim") { + builder = builder.header("gpiosim_wrapper.h"); + println!("cargo:rustc-link-lib=kmod"); + println!("cargo:rustc-link-lib=mount"); + } + + let bindings = builder // Tell cargo to invalidate the built crate whenever any of the // included header files changed. .parse_callbacks(Box::new(bindgen::CargoCallbacks)) @@ -46,6 +58,7 @@ fn build_gpiod(files: Vec<&str>) { .define("_GNU_SOURCE", None) .define("GPIOD_VERSION_STR", ""libgpio-sys"") .include("../../../include") + .include("/usr/include/libmount") .compile("gpiod"); }
@@ -61,6 +74,8 @@ fn main() { "../../../lib/line-request.c", "../../../lib/misc.c", "../../../lib/request-config.c", + #[cfg(feature = "gpiosim")] + "../../../tests/gpiosim/gpiosim.c", ];
#[cfg(feature = "generate")] diff --git a/bindings/rust/libgpiod-sys/gpiosim_wrapper.h b/bindings/rust/libgpiod-sys/gpiosim_wrapper.h new file mode 100644 index 000000000000..47dc12a87917 --- /dev/null +++ b/bindings/rust/libgpiod-sys/gpiosim_wrapper.h @@ -0,0 +1 @@ +#include "../../../tests/gpiosim/gpiosim.h"