From ba806c8e43929dcc395fb20d194abb779f7bd7c2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ole=20Sch=C3=BCtt?= <ole.schuett@cp2k.org>
Date: Wed, 12 Nov 2014 13:20:18 +0000
Subject: [PATCH] Makefile: Check archives for left-behind objects

svn-origin-rev: 14615
---
 makefiles/Makefile                  |  4 ++
 tools/build_utils/check_archives.py | 58 +++++++++++++++++++++++++++++
 2 files changed, 62 insertions(+)
 create mode 100755 tools/build_utils/check_archives.py

diff --git a/makefiles/Makefile b/makefiles/Makefile
index a7ea39cd34..c08c99aed8 100644
--- a/makefiles/Makefile
+++ b/makefiles/Makefile
@@ -288,6 +288,10 @@ endif
 
 # this happens on stage 3
 makedep: $(ALL_SRC_FILES) $(ALL_PKG_FILES)
+ifeq ($(LD_SHARED),)
+	@echo "Removing stale archives for $(ONEVERSION) ... "
+	@$(TOOLSRC)/build_utils/check_archives.py $(firstword $(AR)) $(SRCDIR) $(LIBDIR)
+endif
 	@echo "Resolving dependencies for $(ONEVERSION) ... "
 	@$(TOOLSRC)/build_utils/makedep.py $(OBJDIR)/all.dep $(MODDEPS) $(MAKEDEPMODE) $(ARCHIVE_EXT) $(OBJ_SRC_FILES)
 
diff --git a/tools/build_utils/check_archives.py b/tools/build_utils/check_archives.py
new file mode 100755
index 0000000000..384b4dec95
--- /dev/null
+++ b/tools/build_utils/check_archives.py
@@ -0,0 +1,58 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# author: Ole Schuett
+
+import sys, os
+import subprocess
+from os import path
+from glob import glob
+
+KNOWN_EXTENSIONS = ("F", "c", "cu",)
+
+#=============================================================================
+def main():
+    if(len(sys.argv) != 4):
+        print("Usage: check_archives.py <ar-executable> <src-dir> <lib-dir>")
+        sys.exit(1)
+
+    ar_exe  = sys.argv[1]
+    src_dir = sys.argv[2]
+    lib_dir = sys.argv[3]
+
+    for root, dirs, files in os.walk(src_dir):
+        if("PACKAGE" in files):
+            content = open(path.join(root,"PACKAGE")).read()
+            package = eval(content)
+
+            archive = "libcp2k" + path.basename(root)
+            if(package.has_key("archive")):
+                archive = package["archive"]
+
+            archive_fn = path.join(lib_dir, archive+".a")
+            if(not path.exists(archive_fn)):
+                continue
+
+            file_parts = [fn.rsplit(".", 1) for fn in files]
+            src_basenames = [parts[0] for parts in file_parts if parts[-1] in KNOWN_EXTENSIONS]
+
+            output = check_output([ar_exe, "t", archive_fn])
+            for obj in output.strip().split("\n"):
+                assert(obj.endswith(".o"))
+                if(obj[:-2] not in src_basenames):
+                    print "Could not find source for object %s in archive %s , removing archive."%(obj, archive_fn)
+                    os.remove(archive_fn)
+                    break
+
+#=============================================================================
+def check_output(*popenargs, **kwargs):
+    """ backport for Python 2.4 """
+    p = subprocess.Popen(stdout=subprocess.PIPE, *popenargs, **kwargs)
+    output = p.communicate()[0]
+    assert(p.wait() == 0)
+    return output
+
+#=============================================================================
+main()
+
+#EOF