Generate header in Rust build output directory

generate-bindings

@@ -19,7 +19,7 @@ set -euo pipefail
 SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
 RUST_DIR="$SCRIPT_DIR/rust"
 HEADER_NAME="garnet_rs.h"
-HEADER="$RUST_DIR/$HEADER_NAME"
+HEADER="$RUST_DIR/target/debug/$HEADER_NAME"
 
 # --- Step 1: Build Rust static library ---
 echo "=== Building Rust library ==="
@@ -66,7 +66,7 @@ echo "  Patched header at $HEADER"
 echo "=== Configuring Cabal ==="
 cabal configure \
   --extra-lib-dirs="$RUST_DIR/target/debug" \
-  --extra-include-dirs="$RUST_DIR"
+  --extra-include-dirs="$RUST_DIR/target/debug"
 
 echo "=== Done ==="
 echo "Run 'cabal run' to test."

lib/GarnetRs/Raw.hs

@@ -40,7 +40,7 @@ do
             <$> runIO (readProcessWithExitCode "cpp" ["-v"] "")
     withHsBindgen
         def
-            { clang = def{extraIncludeDirs = Pkg "rust" : systemDirs}
+            { clang = def{extraIncludeDirs = Pkg "rust/target/debug" : systemDirs}
             }
         def
         $ hashInclude "garnet_rs.h"

rust/garnet_rs.h

@@ -1,63 +0,0 @@
-#include <stdarg.h>
-#include <stdbool.h>
-#include <stdint.h>
-#include <stdlib.h>
-
-struct T {
-  bool a;
-  uint8_t b;
-};
-
-enum Shape_Tag {
-  Circle,
-  Rectangle,
-};
-
-struct Circle_Body {
-  double radius;
-};
-
-struct Rectangle_Body {
-  double width;
-  double height;
-};
-
-struct Shape {
-  enum Shape_Tag tag;
-  union {
-    struct Circle_Body circle;
-    struct Rectangle_Body rectangle;
-  } body;
-};
-
-enum BTreeC_Tag {
-  Leaf,
-  Fork,
-};
-
-struct Leaf_Body {
-  int64_t value;
-};
-
-struct Fork_Body {
-  const struct BTreeC *left;
-  const struct BTreeC *right;
-};
-
-struct BTreeC {
-  enum BTreeC_Tag tag;
-  union {
-    struct Leaf_Body leaf;
-    struct Fork_Body fork;
-  } body;
-};
-
-void hello(const char *c);
-
-void hello_struct(struct T t);
-
-void hello_shape(struct Shape s);
-
-__attribute__((const)) int64_t add(int64_t a, int64_t b);
-
-int64_t sum_tree(struct BTreeC t);