Commit 52d9a05a0f ("Backport from master: Optimized hash function for
lock manager and hash join") adds "-std=c++11" to CXXFLAGS on Linux
unconditionally. This doesn't seem to be necessary (looks rather like an
omission) and breaks the build on distributions with old gcc versions
(e.g. SLES 11 SP4).
Optimized hash function for lock manager and hash join
Notes:
- lock print extension is not backported
- Alex, please review linux build. I did not include changes in builds/posix/make.rules here as i'm not sure it is required
* Add generic platform support for Linux/m68k
* Include sem_t when determining values for FB_ALIGNMENT and FB_DOUBLE_ALIGN
On m68k, 'long long' is 16-bit aligned while 'sem_t' is 32-bit aligned
and we must therefore include 'sem_t' when determining the values for
FB_ALIGNMENT and FB_DOUBLE_ALIGN. Otherwise, the futex system call
will fail on these systems.
* Make sure that the version scripts include _IO_stdin_used on Linux
The GNU C library supports two ABIs for libio, one is the pre-2.1
ABI and the other is the current one. In order to determine which
ABI is to be used, the C library checks whether the _IO_stdin_used
symbol is exported by the executable. In case the symbol is present,
the new ABI is assumed, if the symbol is missing, the old ABI is
assumed. Thus, if an application is linked against a modern version
of glibc, it must export the _IO_stdin_used symbol as otherwise the
executable can crash or provoke other unexpected behavior on some
architectures like PowerPC or MIPS because the C library is using
the old ABI in this case.
Implementation also includes changes in GPRE, but this utility is not complete - only commands, used in ISQL,
are working in code generator for new API.
New interface IUtl is added - it performs tasks, related with database objects (attachment, transaction, etc.),
but not requiring routing in YValve, i.e. client only tasks.
