arm gcc 4.8 error about asyncplusplus

[Amanieu]

You need a toolchain that targets ARMv7+ (which has lock-free atomic support), or a more recent version of GCC.

[lglgdouble]

@Amanieu

When I add this parameter it produces the following error

add_definitions("-gstabs+ -march=armv7-a -mtune=cortex-a8")

[build] /home/cyc/oscmake/3rdparty/asyncplusplus/include/async++/task_base.h:400: undefined reference to std::__exception_ptr::exception_ptr::~exception_ptr()' [build] CMakeFiles/asyncplusplus.out.dir/src/asyncplusplus.cpp.o: In function async::detail::task_func<async::threadpool_scheduler, async::detail::root_exec_func<async::threadpool_scheduler, async::detail::fake_void, main::{lambda()#1}, false>, async::detail::fake_void>::run(async::detail::task_base*)':
[build] /home/cyc/oscmake/3rdparty/asyncplusplus/include/async++/task_base.h:400: undefined reference to std::current_exception()' [build] /home/cyc/oscmake/3rdparty/asyncplusplus/include/async++/task_base.h:400: undefined reference to std::__exception_ptr::exception_ptr::~exception_ptr()'
[build] CMakeFiles/asyncplusplus.out.dir/src/asyncplusplus.cpp.o: In function async::detail::task_func<async::threadpool_scheduler, async::detail::root_exec_func<async::threadpool_scheduler, int, main::{lambda()#2}, false>, int>::run(async::detail::task_base*)': [build] /home/cyc/oscmake/3rdparty/asyncplusplus/include/async++/task_base.h:400: undefined reference to std::current_exception()'
[build] /home/cyc/oscmake/3rdparty/asyncplusplus/include/async++/task_base.h:400: undefined reference to std::__exception_ptr::exception_ptr::~exception_ptr()' [build] CMakeFiles/asyncplusplus.out.dir/src/asyncplusplus.cpp.o: In function async::detail::task_func<async::threadpool_scheduler, async::detail::continuation_exec_func<async::threadpool_scheduler, async::task, int, main::{lambda(int)#3}, std::integral_constant<bool, true>, false>, int>::run(async::detail::task_base*)':
[build] /home/cyc/oscmake/3rdparty/asyncplusplus/include/async++/task_base.h:400: undefined reference to `std::current_exception()'

[Amanieu]

libstdc++ also needs to be compiled with these flags.