refactor: legacyPackages

legacy/writer/default.nix

@@ -0,0 +1,51 @@
+{
+  lib,
+  writers,
+  gcc,
+}: let
+      writeC = name: argsOrScript:
+        if lib.isAttrs argsOrScript && !lib.isDerivation argsOrScript
+        then
+          writers.makeBinWriter (
+            argsOrScript
+            // {
+              compileScript = ''
+                # Force gcc to treat the input file as C code
+                ${gcc}/bin/gcc -fsyntax-only -xc $contentPath
+                if [ $? -ne 0 ]; then
+                  echo "Syntax check failed"
+                  exit 1
+                fi
+                ${gcc}/bin/gcc -xc -o $out $contentPath
+              '';
+            }
+          )
+          name
+        else
+          writers.makeBinWriter {
+            compileScript = ''
+              # Force gcc to treat the input file as C code
+              ${gcc}/bin/gcc -fsyntax-only -xc $contentPath
+              if [ $? -ne 0 ]; then
+                echo "Syntax check failed"
+                exit 1
+              fi
+              ${gcc}/bin/gcc -xc -o $out $contentPath
+            '';
+          }
+          name
+          argsOrScript;
+      writeMinC = name: includes: body:
+        writeC name ''
+          ${builtins.concatStringsSep "\n" (map (h: "#include " + h) includes)}
+
+          int main(int argc, char *argv[]) {
+              ${body}
+          }
+        '';
+in {
+  writeCBin = name: writeC "/bin/${name}";
+  writeC = writeC;
+  writeMinCBin = name: includes: body: writeMinC "/bin/${name}" includes body;
+  writeMinC = writeMinC;
+}