Re: [Boost-users] [boost] Going insane trying to build boost for android

If only boost was available as a cmake script... On Sun, 26 Mar 2017 at 19:39, Robert Dailey via Boost-users < boost-users@lists.boost.org> wrote:

On Sun, Mar 26, 2017 at 12:04 PM, John Maddock wrote:

...

...

So outside of what I'm already doing, how do I properly tell boost about C++14? I'm sending down a cxxflag for it in my jam file right now, but that's the only way I've been able to find out how to do it from my Google searching.

Nod. As far as I know that's the only way, two questions:

* If you build something with the -d2 option do you see all the -std= compiler flags you expect to see? * If you do so, can you build and *run* libs/config/test/config_info and report the output?

(Re-included the boost ML)

With the -d2 option added, this is what I see:

clang-linux.compile.c++.without-pth

bin.v2\libs\atomic\build\clang-linux-android\release\link-static\target-os-android\threadapi-pthread\threading-multi\lockpool.o

"C:/android/ndk/toolchains/llvm/prebuilt/windows-x86_64/bin/clang++" -c -x c++ -O3 -Wno-inline -Wall --sysroot=C:/android/ndk/platforms/android-15/arch-arm -IC:/android/ndk/sources/cxx-stl/llvm-libc++abi/include -IC:/android/ndk/sources/cxx-stl/llvm-libc++/include -IC:/android/ndk/sources/android/support/include -std=c++14 -fno-strict-aliasing -D__GLIBC__ -DANDROID -D__ANDROID__ -D_GLIBCXX__PTHREADS -D__arm__ -D_REENTRANT -O2 -DNDEBUG -DBOOST_ALL_NO_LIB=1 -DBOOST_ATOMIC_SOURCE -DBOOST_ATOMIC_STATIC_LINK=1 -DNDEBUG -I"." -o

"bin.v2\libs\atomic\build\clang-linux-android\release\link-static\target-os-android\threadapi-pthread\threading-multi\lockpool.o" "libs\atomic\src\lockpool.cpp"

In file included from libs\atomic\src\lockpool.cpp:16: In file included from .\boost/config.hpp:57: In file included from .\boost/config/platform/linux.hpp:15: C:/android/ndk/sources/cxx-stl/llvm-libc++/include\cstdlib:108:9: error: no member named 'strtold' in the global namespace using ::strtold; ~~^ C:/android/ndk/sources/cxx-stl/llvm-libc++/include\cstdlib:126:9: error: no member named '_Exit' in the global namespace using ::_Exit; ~~^ C:/android/ndk/sources/cxx-stl/llvm-libc++/include\cstdlib:149:9: error: no member named 'at_quick_exit' in the global namespace using ::at_quick_exit; ~~^ C:/android/ndk/sources/cxx-stl/llvm-libc++/include\cstdlib:150:9: error: no member named 'quick_exit' in the global namespace using ::quick_exit; ~~^ 4 errors generated.

I do see -std=c++14 in there.

As for your second question, why would building and running config_info help? I'm cross compiling, so I can't run this on Windows. If you could provide explicit instructions so I properly understand what you want me to do, that would be ideal.

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