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Date: Mon, 21 Dec 2009 21:06:48 +0300
From: Alexey Tourbin <at@altlinux.ru>
To: ALT Linux Team development discussions <devel@lists.altlinux.org>
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Subject: [devel] [SOLVED] verify-elf lint=normal (elflint)
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On Mon, Dec 21, 2009 at 01:25:45PM +0700, REAL wrote:
> Alexey Tourbin =D0=C9=DB=C5=D4:
> >>http://git.altlinux.org/tasks/17565/task/log.5
> >
> >Please understand that
> >1) 4.0.4-alt98.25+ is about sisyphus, and you are trying to build
> >for branch 5.1.
> >2) elflint will not help you to build the package.
> >It is only to diagnose malformed binaries.
>=20
> But what shall I do to build CGAL for branch 5.1?

This whole issue is due to buggy CMake.

When installing binaries into buildroot, CMake removes RPATH from the
binaries.  The RPATH removal appears to be a low-level stuff hardcoded
in C+plus.  Sometimes it works.


+2009-06-10 14:11  king
+
+       * Source/cmComputeLinkInformation.cxx: BUG: Do not mangle symbols
+         when editing RPATHs
+
+         In ELF binaries the .dynstr string table is used both for the
+         RPATH string and for program symbols.  If a symbol name happens
+         to match the end of the build-tree RPATH string the linker is
+         allowed to merge the symbols.
+
+         We must not allow this when the RPATH string will be replaced
+         during installation because it will mangle the symbol.  Therefore
+         we always pad the end of the build-tree RPATH with ':' if it will
+         be replaced.  Tools tend not to use ':' at the end of symbol
+         names, so it is unlikely to conflict.  See issue #9130.

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