Support rsp in linker intercept

linker_interceptor.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 
-import subprocess, json, sys, os
+import subprocess, shutil, json, sys, os
 
 FILTER = ['-shared']
 
@@ -12,7 +12,11 @@ args = sys.argv[1:]
 out_args = []
 shareds = []
 search = []
+
+def process_args(args):
+    global out_args, shareds, search
     prev_o = False
+
     for i in range(len(args)):
         if prev_o:
             prev_o = False
@@ -29,11 +33,23 @@ for i in range(len(args)):
         elif args[i].startswith('-l'):
             shareds.append(args[i][2:])
             continue
+        elif args[i].endswith('.rsp'):
+            fname = args[i][1:] # remove initial @
+            with open(fname) as f:
+                rsp = f.read().split()
+            process_args(rsp)
+            continue
         elif args[i].startswith('-L'):
             search.append(args[i][2:])
         out_args.append(args[i])
 
+process_args(args)
+
 with open(OUT, 'w') as f:
-    json.dump({'cmd': out_args, 'libs': shareds, 'search': search}, f, indent=2)
+    json.dump({
+      'cmd': out_args,
+      'libs': shareds,
+      'search': search,
+    }, f, indent=2)
 
 subprocess.run([CXX] + args)