The viewer's 00-COMPILE-LINK-RUN.txt recommends passing -gdwarf-2 to the Mac
compiler, and so we've been doing ever since before the viewer-build-variables
repo was engaged. Now we discover that when CMake sees -gdwarf-2, it removes
the -g switch entirely. It also removes it when you pass plain -g. Only when
you pass -gdwarf-with-dsym or just -gdwarf does CMake pass plain -g to the
compiler. Change -gdwarf-2, if specified, to -gdwarf so we at least get -g.
When LL_BUILD is not in the environment at autobuild configure time, important
macros such as LL_WINDOWS aren't set. That means that platform-dependent
macros such as LL_TYPEOF() aren't defined, which can produce obscure errors
like this:
indra\llcommon\llunittype.h(51): error C2226: syntax error :
unexpected type 'S' (packages\llphysicsextensions\stub\LLPhysicsExtensionsStubImpl.cpp)
10> indra\llcommon\llunittype.h(52) :
see reference to class template instantiation 'LLResultTypeAdd<S,T>' being compiled
Make the CMake logic fail with a more readily-understood error in that case.
Migrate the logic formerly used only for LINUX to detect whether ADDRESS_SIZE
is set to 32 or 64, and if not, detect a default for the platform. But instead
of using uname -m, use python's platform.machine().
On Windows, stop forcing ARCH to i686 and ADDRESS_SIZE to 32.
On Mac, reset default to x86_64 instead of i386; stop forcing ADDRESS_SIZE to
32.
autobuild 1.1 now supports expanding $variables within a config file --
support that was explicitly added to address this very problem. So now the
windows platform in autobuild.xml uses $AUTOBUILD_ADDRSIZE,
$AUTOBUILD_WIN_VSPLATFORM and $AUTOBUILD_WIN_CMAKE_GEN, which should handle
most of the deltas between the windows platform and windows64.
This permits removing the windows64 platform definition from autobuild.xml.
The one remaining delta between the windows64 and windows platform definitions
was -DLL_64BIT_BUILD=TRUE. But we can handle that instead by checking
ADDRESS_SIZE. Change all existing references to WORD_SIZE to ADDRESS_SIZE
instead, and set ADDRESS_SIZE to $AUTOBUILD_ADDRSIZE. Change the one existing
LL_64BIT_BUILD reference to test (ADDRESS_SIZE EQUAL 64) instead.
Nat Goodspeed