This commit was manufactured by cvs2svn to create branch 'RC_1_31_0'.

[SVN r21427]
Updated version check to gcc3.4


[SVN r21495]
Ed Swartz of Metrowerks says __MWERKS__ will be 0x3202 for 9.2


[SVN r21506]
This commit was manufactured by cvs2svn to create branch 'RC_1_31_0'.

[SVN r21510]
merged main branch


[SVN r21511]
Enable Metrowerks support


[SVN r21552]
merged changes from main branch


[SVN r21564]
Metrowerks update


[SVN r21568]
Added docs for auto-link and dll macro options


[SVN r21573]
Patches for cstdint support:

cygwin and mingw now use native stdint headers.
default header now compiles in -pedantic -ansi mode with gcc.


[SVN r21728]
Applied threading detection patch from Ed Swartz at Metrowerks


[SVN r21764]
Merge fixes from the main trunk


[SVN r21842]
Added missing #undef (previously one symbol was left defined when the header exited, which caused problems when including two or more libs, one a static link and one a dynamic link).


[SVN r21857]
merged DM fixes from the main trunk


[SVN r21934]
Changed old and broken lib detection to use BOOST_MSVC rather than _MSC_VER,so that it doesn't pick up on compilers that fake MSVC compatibility.


[SVN r22519]
Don't disable auto-linking when in strict mode with MSVC.


[SVN r22520]
Added compile time checks for options set.


[SVN r22716]
Updated for gcc-3.4


[SVN r22723]