Issue #294: "apple silicon build problem(s?)": If the "--flavor/-f" flag
is not specified on the command line, then complain loudly, print help
and exit. The script used to default to "Unix Makefiles".
Updates:
- Add missing "-DHAVE_LIBPNG" compiler command line define when the PNG
library is detected/present for screen capture support.
- Add "clang64" to the list of MinGW64 platforms for which the
.travis/deps.sh script can install build dependencies.
- Add PThread4W_FOUND to the condition that sets async I/O for Win32
when using vcpkg for build dependencies.
- Add vs2022-x64, vs2019-x64 and vs2017-x64 build environments to
build 64-bit Windows executables.
- Use simulator AIO only where needed by the simulator (i.e., the
simulator calls/uses AIO_CHECK_EVENT in sim_instr())
- Add "USES_AIO" flag to add_simulator() to mark a simulator that
acutally uses asynchronous I/O.
- Build "_aio" SIMH core library variants that have AIO turned on,
link with the "_aio" variant when a simulator sets USES_AIO.
- Emit a warning message when WITH_ASYNC is False (CMake configuration
option) to notify the user/developer that some functionality will be
crippled.
Affected simulator builds: 3b2 family, PDP-6, PDP-11, VAX family,
IMLAC and TT2500. The makefile and cmake/generate.py also updated
to remain in sync with CMake.
N.B.: Simulators still link with the underlying platform's threading
library. SEL32 requires pthreads or equivalent threading library,
independent of AIO.
- cmake/cmake-builder.sh
- New "--no-aio" flag: Build simulators without async I/O.
- New "--no-aio-intrinsics" flag: Don't build async I/O using compiler
compare-exchange, atomic load intrinsics.
- cmake/cmake-builder.ps1
- New "-noaio" flag: Build simulators without async I/O.
- New "-noaiointrinsics" flag: Don't build async I/O using compiler
compare-exchange, atomic load intrinsics.
CMake 3.28.1 INTERFACE_LINK_LIBRARIES behavior change: The file name
must now be an absolute path. Relative paths no longer accepted.
Internally, SIMH enforces this if CMAKE_VERSION >= 3.19, when REAL_PATH
was first implemented.
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