Update package. Pack package as nix package

nix/bisheng-wrapper.sh

@@ -0,0 +1,78 @@
+#!/bin/bash
+set -eu -o pipefail
+
+# Bisheng compiler wrapper - similar to NixOS cc-wrapper
+# This script injects NIX_CFLAGS_COMPILE and other Nix-managed flags
+
+if (( "${NIX_DEBUG:-0}" >= 7 )); then
+  set -x
+fi
+
+# Source flag accumulation from dependencies
+if [ -z "${NIX_CC_WRAPPER_FLAGS_SET_bisheng:-}" ]; then
+  if [ -f "@out@/nix-support/add-flags.sh" ]; then
+    source @out@/nix-support/add-flags.sh
+  fi
+fi
+
+# Build extra flags
+extraAfter=()
+extraBefore=()
+
+# Add sysroot for C standard library headers (critical for bisheng)
+ASCEND_TOOLKIT_HOME="${ASCEND_TOOLKIT_HOME:-}"
+if [ -n "$ASCEND_TOOLKIT_HOME" ] && [ -d "$ASCEND_TOOLKIT_HOME/tools/hcc/sysroot" ]; then
+  extraBefore+=("--sysroot=$ASCEND_TOOLKIT_HOME/tools/hcc/sysroot")
+fi
+
+# Add NIX_CFLAGS_COMPILE (the main flag we care about)
+if [ -n "${NIX_CFLAGS_COMPILE_bisheng:-}" ]; then
+  extraAfter+=($NIX_CFLAGS_COMPILE_bisheng)
+elif [ -n "${NIX_CFLAGS_COMPILE:-}" ]; then
+  extraAfter+=($NIX_CFLAGS_COMPILE)
+fi
+
+# Add NIX_CFLAGS_COMPILE_BEFORE if set
+if [ -n "${NIX_CFLAGS_COMPILE_BEFORE_bisheng:-}" ]; then
+  extraBefore+=($NIX_CFLAGS_COMPILE_BEFORE_bisheng)
+fi
+
+# Add linker flags if we're linking
+if [ -n "${NIX_CFLAGS_LINK_bisheng:-}" ]; then
+  extraAfter+=($NIX_CFLAGS_LINK_bisheng)
+fi
+
+# Convert LDFLAGS to -Wl, format
+if [ -n "${NIX_LDFLAGS_bisheng:-}" ]; then
+  for flag in $NIX_LDFLAGS_bisheng; do
+    extraBefore+=("-Wl,$flag")
+  done
+fi
+
+# Source local cflags hook if it exists
+if [ -f "@out@/nix-support/add-local-cc-cflags-before.sh" ]; then
+  source @out@/nix-support/add-local-cc-cflags-before.sh
+fi
+
+# Debug output
+if (( "${NIX_DEBUG:-0}" >= 1 )); then
+  echo "bisheng wrapper: extra flags before:" >&2
+  printf " %q\n" "${extraBefore[@]}" >&2
+  echo "bisheng wrapper: original flags:" >&2
+  printf " %q\n" "$@" >&2
+  echo "bisheng wrapper: extra flags after:" >&2
+  printf " %q\n" "${extraAfter[@]}" >&2
+fi
+
+# Find the real bisheng binary
+BISHENG_REAL="${BISHENG_REAL:-bisheng.real}"
+if ! command -v "$BISHENG_REAL" &>/dev/null; then
+  # Try to find bisheng in PATH (should be the real one from toolkit)
+  BISHENG_REAL="$(which bisheng 2>/dev/null || echo "bisheng")"
+fi
+
+# Execute the real bisheng compiler with injected flags
+exec "$BISHENG_REAL" \
+  "${extraBefore[@]+"${extraBefore[@]}"}" \
+  "$@" \
+  "${extraAfter[@]+"${extraAfter[@]}"}"