.github/workflows/rust.yml

@@ -30,6 +30,11 @@ jobs:
       - name: build
         run: cargo build
 
+      - name: generate bindings
+        run: ./generate-binding.sh
+      - name: check that generated files did not change
+        run: output=$(git status --porcelain) && [ -z "$output" ]
+
       - name: build example -- glibc release
         run: cd example && make -r clean-all && make -r LIBC=gnu LINK=dynamic PROFILE=release
       - name: build example -- glibc debug
@@ -47,14 +52,6 @@ jobs:
       - name: install rust targets
         run: rustup toolchain install nightly -t aarch64-unknown-linux-gnu -c rust-src --no-self-update
 
-      - name: install csbindgen
-        run: rustup run nightly cargo install cbindgen@0.29
-
-      - name: generate bindings
-        run: ./generate-binding.sh
-      - name: check that generated files did not change
-        run: output=$(git status --porcelain) && [ -z "$output" ]
-
       - name: build example -- glibc size_optimized
         run: cd example && make clean-all -r
           && make -r LIBC=gnu LINK=dynamic PROFILE=size_optimized CARGO="rustup run nightly cargo" LTO=1

example/src/header_logger.c

@@ -129,7 +129,7 @@ bool log_command(struct Command command) {
             break;
         }
         case COMMAND_TAG_GLOBAL_BRIGHTNESS: {
-            Brightness brightness = sp_cmd_brightness_global_get_brightness(command.data.global_brightness);
+            Brightness brightness = sp_cmd_brightness_global_get(command.data.global_brightness);
             printf("-> GlobalBrightnessCommand with params: brightness=%hu\n", brightness);
             break;
         }
@@ -191,7 +191,7 @@ int main(int argc, char **argv) {
             continue;
         }
 
-        struct Header *header = sp_packet_get_header_mut(packet);
+        struct Header *header = sp_packet_get_header(packet);
 
         ByteSlice payload = sp_packet_get_payload(packet);
         printf("Received packet: cc=%d, a=%d, b=%d, c=%d, d=%d, payload=%p (len %zu)\n",

example/src/helpers.h

@@ -23,6 +23,8 @@ void sock_init() {
 
 /// TODO: all of this for sleeping n ms? There should be a better way!
 int msleep(long msec) {
+    int res;
+
     if (msec < 0) {
         errno = EINVAL;
         return -1;
@@ -33,7 +35,6 @@ int msleep(long msec) {
             .tv_nsec = (msec % 1000) * 1000000,
     };
 
-    int res;
     do {
         res = nanosleep(&ts, &ts);
     } while (res && errno == EINTR);

example/src/random_stuff.c

@@ -15,7 +15,7 @@ int main(void) {
     if (packet == NULL)
         return 1;
 
-    Header *header = sp_packet_get_header_mut(packet);
+    Header *header = sp_packet_get_header(packet);
     printf("[%d, %d, %d, %d, %d]\n", header->command_code, header->a, header->b, header->c, header->d);
 
     sp_udp_send_packet(sock, packet);

nix-build-all.sh

@@ -3,27 +3,24 @@
 set -e
 set -x
 
-BUILD="nom build -L"
+BUILD="nix build -L"
 
 $BUILD .#servicepoint-binding-c -o result
 
 $BUILD .#servicepoint-binding-c-stable-release -o result-stable-release
 $BUILD .#servicepoint-binding-c-stable-size -o result-stable-size
 $BUILD .#servicepoint-binding-c-nightly-release -o result-nightly-release
+$BUILD .#servicepoint-binding-c-nightly-size -o result-nightly-size
+$BUILD .#servicepoint-binding-c-musl-stable-release -o result-musl-release
+$BUILD .#servicepoint-binding-c-musl-stable-size -o result-musl-size
+
+# do not work yet:
+# $BUILD .#servicepoint-binding-c-musl-nightly-release
+# $BUILD .#servicepoint-binding-c-musl-nightly-size
 
 $BUILD .#all-examples -o result-examples
 $BUILD .#all-examples-size -o result-examples-size
-
-# works, but needs to bootstrap a C and Rust compiler
-# $BUILD .#servicepoint-binding-c-musl-stable-release -o result-musl-release
-# $BUILD .#servicepoint-binding-c-musl-stable-size -o result-musl-size
-# $BUILD .#all-examples-musl-static -o result-examples-musl-static
-# $BUILD .#all-examples-musl-static-size -o result-examples-musl-static-size
-# $BUILD .#all-examples-musl -o result-examples-musl
-
-# do not work yet:
-# $BUILD .#servicepoint-binding-c-nightly-size -o result-nightly-size
-# $BUILD .#servicepoint-binding-c-musl-nightly-release
-# $BUILD .#servicepoint-binding-c-musl-nightly-size
-# $BUILD .#all-examples-nightly-size -o result-examples-nightly-size
-
+$BUILD .#all-examples-nightly-size -o result-nightly-size
+$BUILD .#all-examples-musl -o result-examples-musl
+$BUILD .#all-examples-musl-static -o result-examples-musl-static
+$BUILD .#all-examples-musl-static-size -o result-examples-musl-static-size

packages.nix

@@ -14,12 +14,10 @@ let
       buildType ? "release",
       buildNoDefaultFeatures ? false,
       cargoBuildFlags ? [ ],
-      nativeBuildInputs ? [],
-      stdlib ? false,
-
+      nativeBuildInputs ? []
     }:
     rustPlatform.buildRustPackage (finalAttrs: {
-      inherit version buildType cargoBuildFlags stdlib;
+      inherit version buildType cargoBuildFlags;
 
       pname = "servicepoint-binding-c";
       src = lib.filter {
@@ -28,7 +26,7 @@ let
           ./Cargo.lock
           ./Cargo.toml
           ./src
-          ./include
+          ./build.rs
           ./LICENSE
           ./cbindgen.toml
         ];
@@ -43,8 +41,16 @@ let
       };
       nativeBuildInputs = [ pkgs.pkg-config ] ++ nativeBuildInputs;
       buildInputs = [ pkgs.xz ];
+
+      preBuild = ''
+        mkdir -p include
+        export SERVICEPOINT_HEADER_OUT=$(realpath "include")
+
+        echo "Rust version: $(rustc --version)"
+        echo "preBuild hook: set SERVICEPOINT_HEADER_OUT to $SERVICEPOINT_HEADER_OUT"
+      '';
       postInstall = ''
-        cp -r $src/include $out
+        cp -r include $out
 
         mkdir -p $out/lib/pkgconfig
         sed "s:\$out:$out:g" ${./servicepoint.pc.in} | sed "s:\$version:$version:g" > $out/lib/pkgconfig/servicepoint.pc
@@ -143,7 +149,6 @@ let
       "-Zbuild-std=core,std,alloc,proc_macro,panic_abort"
       "-Zbuild-std-features=panic_immediate_abort"
     ];
-    stdlib = true;
     # TODO: remove hard-coded target
     nativeBuildInputs = [fenix.targets."x86_64-unknown-linux-gnu".latest.rust-std];
     # TODO: those override the nix flags