[oe-commits] Ed Bartosh : split_and_strip_files: regroup hardlinks to make build deterministic

[git at git.openembedded.org]

Module: openembedded-core.git
Branch: master-next
Commit: 35b5b297e3e3f668edd9753a15c1db10897482be
URL:    http://git.openembedded.org/?p=openembedded-core.git&a=commit;h=35b5b297e3e3f668edd9753a15c1db10897482be

Author: Ed Bartosh <ed.bartosh at linux.intel.com>
Date:   Wed Apr 22 22:57:18 2015 +0300

split_and_strip_files: regroup hardlinks to make build deterministic

Reverted 7c0fd561bad0250a00cef63e3d787573112a59cf

Created separate group of hardlinks for the files inside
the same package. This should prevent stripped files to be
populated outside of package directories.

[YOCTO #7586]

Signed-off-by: Ed Bartosh <ed.bartosh at linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>

---

 meta/classes/package.bbclass | 10 ++++++++++
 meta/lib/oe/package.py       |  3 +--
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/meta/classes/package.bbclass b/meta/classes/package.bbclass
index f1b966d..b9748e7 100644
--- a/meta/classes/package.bbclass
+++ b/meta/classes/package.bbclass
@@ -877,6 +877,7 @@ python split_and_strip_files () {
     symlinks = {}
     hardlinks = {}
     kernmods = []
+    inodes = {}
     libdir = os.path.abspath(dvar + os.sep + d.getVar("libdir", True))
     baselibdir = os.path.abspath(dvar + os.sep + d.getVar("base_libdir", True))
     if (d.getVar('INHIBIT_PACKAGE_STRIP', True) != '1'):
@@ -914,6 +915,15 @@ python split_and_strip_files () {
                             #bb.note("Sym: %s (%d)" % (ltarget, isELF(ltarget)))
                             symlinks[file] = target
                         continue
+
+                    if s.st_ino in inodes:
+                        os.unlink(file)
+                        os.link(inodes[s.st_ino], file)
+                    elif s.st_nlink > 1:
+                        inodes[s.st_ino] = file
+                        # break hardlink
+                        bb.utils.copyfile(file, file)
+
                     # It's a file (or hardlink), not a link
                     # ...but is it ELF, and is it already stripped?
                     elf_file = isELF(file)
diff --git a/meta/lib/oe/package.py b/meta/lib/oe/package.py
index 8bc56c6..ea6feaa 100644
--- a/meta/lib/oe/package.py
+++ b/meta/lib/oe/package.py
@@ -30,8 +30,7 @@ def runstrip(arg):
     elif elftype & 8 or elftype & 4:
         extraflags = "--remove-section=.comment --remove-section=.note"
 
-    # Use mv to break hardlinks
-    stripcmd = "'%s' %s '%s' -o '%s.tmp' && chown --reference='%s' '%s.tmp' && mv '%s.tmp' '%s'" % (strip, extraflags, file, file, file, file, file, file)
+    stripcmd = "'%s' %s '%s'" % (strip, extraflags, file)
     bb.debug(1, "runstrip: %s" % stripcmd)
 
     ret = subprocess.call(stripcmd, shell=True)