flake musl build

devShells.nix

@@ -11,6 +11,7 @@ let
     cargo-expand
     cargo-tarpaulin
     gdb
+    nix-output-monitor
   ];
 in
 (builtins.mapAttrs (

nix-build-all.sh

@@ -3,11 +3,22 @@
 set -e
 set -x
 
-nix build .#servicepoint-binding-c
+BUILD="nix build"
 
-nix build .#servicepoint-binding-c-stable-release
-nix build .#servicepoint-binding-c-nightly-release
-nix build .#servicepoint-binding-c-nightly-size
+$BUILD .#servicepoint-binding-c
 
-nix build .#all-examples
-nix build .#all-examples-size
+$BUILD .#servicepoint-binding-c-stable-release
+$BUILD .#servicepoint-binding-c-stable-size
+$BUILD .#servicepoint-binding-c-nightly-release
+$BUILD .#servicepoint-binding-c-nightly-size
+
+$BUILD .#servicepoint-binding-c-musl-stable-release
+$BUILD .#servicepoint-binding-c-musl-stable-size
+# $BUILD .#servicepoint-binding-c-musl-nightly-release
+# $BUILD .#servicepoint-binding-c-musl-nightly-size
+
+$BUILD .#all-examples
+$BUILD .#all-examples-size
+$BUILD .#all-examples-musl
+$BUILD .#all-examples-musl-static
+$BUILD .#all-examples-musl-static-size

packages.nix

@@ -8,7 +8,10 @@
 let
   version = "0.15.0";
   mkServicepoint =
-    rustPlatform:
+    {
+      rustPlatform,
+      pkgs,
+    }:
     rustPlatform.buildRustPackage (finalAttrs: {
       inherit version;
 
@@ -50,7 +53,11 @@ let
       '';
     });
   mkExample =
-    { name, servicepointBinding }:
+    {
+      name,
+      servicepointBinding,
+      pkgs,
+    }:
     pkgs.gccStdenv.mkDerivation {
       inherit version;
       pname = "servicepoint-c-example-${name}";
@@ -64,7 +71,7 @@ let
         set -e
         set -x
         mkdir -p $out/bin
-        gcc ${name}.c $(pkg-config --libs --cflags servicepoint) $(pkg-config --libs --cflags liblzma) $EXTRA_CFLAGS -o $out/bin/${name}
+        $CC ${name}.c $CFLAGS $EXTRA_CFLAGS $(pkg-config --libs --cflags servicepoint) $(pkg-config --libs --cflags liblzma) -o $out/bin/${name}
       '';
     };
   rustPlatform-stable = pkgs.rustPlatform;
@@ -72,6 +79,11 @@ let
     cargo = fenix.minimal.cargo;
     rustc = fenix.minimal.rustc;
   };
+  rustPlatform-musl-stable = pkgs.pkgsMusl.rustPlatform;
+  rustPlatform-musl-unstable = pkgs.pkgsMusl.makeRustPlatform {
+    cargo = fenix.minimal.cargo;
+    rustc = fenix.minimal.rustc;
+  };
   examples = [
     "announce"
     "brightness_tester"
@@ -80,65 +92,102 @@ let
     "random_stuff"
     "wiping_clear"
   ];
-in
-rec {
-  servicepoint-binding-c-stable-release = mkServicepoint rustPlatform-stable;
-  servicepoint-binding-c-nightly-release = mkServicepoint rustPlatform-unstable;
-  servicepoint-binding-c-nightly-size = servicepoint-binding-c-nightly-release // {
+  size-cflags = [
+    "-Oz"
+    "-fwrapv"
+    "-fomit-frame-pointer"
+    "-fno-stack-protector"
+    "-fno-unroll-loops"
+    "-fno-unwind-tables"
+    "-fno-asynchronous-unwind-tables"
+    "-fmerge-all-constants"
+    "-fvisibility=hidden"
+    "-Bsymbolic"
+    "-fno-ident"
+    "-fno-exceptions"
+    "-ffunction-sections"
+    "-fdata-sections"
+    "-Wl,-z,norelro"
+    "-Wl,--hash-style=gnu"
+    "-Wl,--gc-sections"
+    "-Wl,--exclude-libs,ALL"
+  ];
+  servicepoint-stable-size-args = {
     buildType = "size_optimized";
     buildNoDefaultFeatures = true;
+  };
+  servicepoint-unstable-size-args = {
     # TODO: do these override the nix flags?
-    #CARGOFLAGS = ''-Zbuild-std="core,std,alloc,proc_macro,panic_abort" -Zbuild-std-features="panic_immediate_abort"'';
+    CARGOFLAGS = ''-Zbuild-std="core,std,alloc,proc_macro,panic_abort" -Zbuild-std-features="panic_immediate_abort"'';
     # TODO: those override the nix flags
     # NIX_CFLAGS_COMPILE = builtins.toString ["-Oz" "-fwrapv" "-fomit-frame-pointer" "-fno-stack-protector" "-fno-unroll-loops" "-fno-unwind-tables" "-fno-asynchronous-unwind-tables" "-fmerge-all-constants" "-fvisibility=hidden" "-Bsymbolic" "-fno-ident" "-fno-exceptions" "-ffunction-sections" "-fdata-sections"];
     # NIX_CFLAGS_LINK = builtins.toString ["Wl,-z,norelro" "-Wl,--hash-style=gnu" "-Wl,--gc-sections" "-Wl,--exclude-libs,ALL"];
   };
-  servicepoint-binding-c = servicepoint-binding-c-stable-release;
+  mkAllExamples =
+    suffix:
+    pkgs.symlinkJoin {
+      name = "servicepoint-all-examples";
+      paths = builtins.map (e: selfPkgs."${e}${suffix}") examples;
+    };
+in
+rec {
+  servicepoint-binding-c-stable-release = mkServicepoint {
+    inherit pkgs;
+    rustPlatform = rustPlatform-stable;
+  };
+  servicepoint-binding-c-nightly-release = mkServicepoint {
+    inherit pkgs;
+    rustPlatform = rustPlatform-unstable;
+  };
+  servicepoint-binding-c-musl-stable-release = mkServicepoint {
+    pkgs = pkgs.pkgsMusl;
+    rustPlatform = rustPlatform-musl-stable;
+  };
+  servicepoint-binding-c-musl-nightly-release = mkServicepoint {
+    pkgs = pkgs.pkgsMusl;
+    rustPlatform = rustPlatform-musl-unstable;
+  };
 
-  all-examples = pkgs.symlinkJoin {
-    name = "servicepoint-all-examples";
-    paths = builtins.map (e: selfPkgs."${e}") examples;
-  };
-  all-examples-size = pkgs.symlinkJoin {
-    name = "servicepoint-all-examples-size";
-    paths = builtins.map (e: selfPkgs."${e}-size") examples;
-  };
+  servicepoint-binding-c-stable-size =
+    servicepoint-binding-c-stable-release // servicepoint-stable-size-args;
+  servicepoint-binding-c-nightly-size =
+    servicepoint-binding-c-nightly-release
+    // servicepoint-stable-size-args
+    // servicepoint-unstable-size-args;
+  servicepoint-binding-c-musl-stable-size =
+    servicepoint-binding-c-musl-stable-release // servicepoint-stable-size-args;
+  servicepoint-binding-c-musl-nightly-size =
+    servicepoint-binding-c-musl-nightly-release
+    // servicepoint-stable-size-args
+    // servicepoint-unstable-size-args;
+
+  # default variants
+  servicepoint-binding-c = servicepoint-binding-c-stable-release;
+  servicepoint-binding-c-musl = servicepoint-binding-c-musl-stable-release;
+
+  all-examples = mkAllExamples "";
+  all-examples-size = mkAllExamples "-size";
+  # TODO: musl targets do not work on darwin
+  all-examples-musl = mkAllExamples "-musl";
+  all-examples-musl-static = mkAllExamples "-musl-static";
+  all-examples-musl-static-size = mkAllExamples "-musl-static-size";
 }
 # construct one package per example
 // (lib.genAttrs examples (
   name:
   mkExample {
-    inherit name;
+    inherit name pkgs;
     servicepointBinding = selfPkgs.servicepoint-binding-c;
   }
 ))
-# construct another pakage per example, but with a different name and compiler options
+# construct another pakage per example, but optimized for size with unstable rust
 // (lib.mapAttrs'
   (
     name: value:
     lib.nameValuePair ("${name}-size") (
       value
       // {
-        EXTRA_CFLAGS = builtins.toString [
-          "-Oz"
-          "-fwrapv"
-          "-fomit-frame-pointer"
-          "-fno-stack-protector"
-          "-fno-unroll-loops"
-          "-fno-unwind-tables"
-          "-fno-asynchronous-unwind-tables"
-          "-fmerge-all-constants"
-          "-fvisibility=hidden"
-          "-Bsymbolic"
-          "-fno-ident"
-          "-fno-exceptions"
-          "-ffunction-sections"
-          "-fdata-sections"
-          "-Wl,-z,norelro"
-          "-Wl,--hash-style=gnu"
-          "-Wl,--gc-sections"
-          "-Wl,--exclude-libs,ALL"
-        ];
+        EXTRA_CFLAGS = builtins.toString size-cflags;
       }
     )
   )
@@ -146,9 +195,48 @@ rec {
     lib.genAttrs examples (
       name:
       mkExample {
-        inherit name;
+        inherit name pkgs;
         servicepointBinding = selfPkgs.servicepoint-binding-c-nightly-size;
       }
     )
   )
 )
+# construct another pakage per example, but with musl
+// (lib.mapAttrs' (name: value: lib.nameValuePair ("${name}-musl") value) (
+  lib.genAttrs examples (
+    name:
+    mkExample {
+      inherit name;
+      pkgs = pkgs.pkgsMusl;
+      servicepointBinding = selfPkgs.servicepoint-binding-c-musl;
+    }
+  )
+))
+# construct another pakage per example, but statically linked with musl
+// (lib.mapAttrs' (name: value: lib.nameValuePair ("${name}-musl-static") value) (
+  lib.genAttrs examples (
+    name:
+    mkExample {
+      inherit name;
+      pkgs = pkgs.pkgsMusl;
+      servicepointBinding = selfPkgs.servicepoint-binding-c-musl;
+    }
+    // {
+      EXTRA_CFLAGS = "-static";
+    }
+  )
+))
+# construct another pakage per example, but statically linked with musl and size optimized
+// (lib.mapAttrs' (name: value: lib.nameValuePair ("${name}-musl-static-size") value) (
+  lib.genAttrs examples (
+    name:
+    mkExample {
+      inherit name;
+      pkgs = pkgs.pkgsMusl;
+      servicepointBinding = selfPkgs.servicepoint-binding-c-musl;
+    }
+    // {
+      EXTRA_CFLAGS = "-static" + builtins.toString size-cflags;
+    }
+  )
+))