Aha, I was aware that they changed the internal layout of std::string, so I
knew this would pop its head up one of these days. Lots of us use clang, but
perhaps you're the first to try with libc++ (rather than using clang with the
regular gnu libraries). I think I have a quick fix, stay tuned.
-- lg
On Oct 11, 2013, at 1:54 AM, Shane Ambler wrote:
> Hi all.
>
> I am attempting to get ocio oiio and osl building on FreeBSD 10.0. For
> those that don't know 10.0 has recently gone alpha aiming for release in
> a few months. The main change would be clang 3.2 and the new libc++ from
> libcxx.llvm.org while removing the old gcc compiler and libs from a base
> install. These build and run fine on freebsd 9.2 using clang 3.2 which
> still has the gcc libs.
>
> I adjusted ocio to test for _LIBCPP_VERSION and use std::shared_ptr
> instead of tr1::shared_ptr
>
> To get oiio 1.2.2 compiling I updated to pugixml 1.2 (external)
>
> While oiio then compiles ok, when building osl I get oslc triggering the
> DASSERT on line 137 of libutil/ustring.cpp when it tries to compile the
> contained osl scripts.
>
> I have tried the non-gcc fallback in ustring.cpp without luck.
>
> The libc++ string file includes a _LIBCPP_ALTERNATE_STRING_LAYOUT option
> that also doesn't help.
>
> I am guessing that an adjustment needs to be made with ustring to work
> with libc++ but I'm not sure where to start.
>
>
> thanks.
>
>
> Running the osl compile step in gdb I get the following backtrace --
>
> /usr/ports/graphics/openimageio/work/OpenImageIO-oiio-f9d8f1b/src/libutil/ustring.cpp:137:
> failed assertion 'str.c_str() == c_str()'
>
> Program received signal SIGABRT, Aborted.
> [Switching to Thread 819406400 (LWP 100230/oslc)]
> 0x000000080344998a in thr_kill () from /lib/libc.so.7
> (gdb) bt
> #0 0x000000080344998a in thr_kill () from /lib/libc.so.7
> #1 0x0000000803518259 in abort () from /lib/libc.so.7
> #2 0x000000080196d120 in TableRep (this=0x81943c3d0, s=0x801bb50b8
> "resolution", len=10)
> at
> /usr/ports/graphics/openimageio/work/OpenImageIO-oiio-f9d8f1b/src/libutil/ustring.cpp:137
> #3 0x000000080196d607 in OpenImageIO::v1_2::ustring::make_unique
> (str=0x801bb50b8 "resolution")
> at
> /usr/ports/graphics/openimageio/work/OpenImageIO-oiio-f9d8f1b/src/libutil/ustring.cpp:196
> #4 0x000000080110118f in ustring (this=0x801f21e20, str=0x801bb50b8
> "resolution") at ustring.h:166
> #5 0x000000080110114d in ustring (this=0x801f21e20, str=0x801bb50b8
> "resolution") at ustring.h:167
> #6 0x00000008019ae35b in __cxx_global_var_init16 ()
> at
> /usr/ports/graphics/openimageio/work/OpenImageIO-oiio-f9d8f1b/src/libtexture/imagecache.cpp:80
> #7 0x00000008019c8a39 in global constructors keyed to a ()
> at
> /usr/ports/graphics/openimageio/work/OpenImageIO-oiio-f9d8f1b/src/libtexture/imagecache.cpp:229
> #8 0x0000000801ba83b2 in __do_global_ctors_aux () from
> /usr/local/lib/libOpenImageIO.so.1.2
> #9 0x00000008015a7d0e in _init () from /usr/local/lib/libOpenImageIO.so.1.2
> #10 0x00007fffffffccc0 in ?? ()
> #11 0x0000000800616701 in objlist_call_init () from /libexec/ld-elf.so.1
> #12 0x0000000800615c97 in _rtld () from /libexec/ld-elf.so.1
> #13 0x0000000800614089 in .text () from /libexec/ld-elf.so.1
> #14 0x0000000000000000 in ?? ()
> (gdb)
>
> _______________________________________________
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> [email protected]
> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org
--
Larry Gritz
[email protected]
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