This will make things as std::to_string() and other C++ features
work with a modern and supported C++ library.
We package up libc++_shared.so and bump the revision of every C++
using package to make it rebuild against it.
Users who have built C++ using libraries or programs will probably
need to rebuild them if they are linked against Termux-supplied
libraries, as user code was previously linked against gnustl while
the system libraries are now using libc++, and it's not a good idea
to mix C++ standard libraries in a program.
Using a shared libuv for node does not work when dlopen():ing
shared libraries in node packages which uses libuv symbols
without linking to libuv explicitly, as the Android linker does
not use linked libraries on dlopen() to resolve symbols due to
historical reasons.
Fixes#462.
Let build-package.sh setup the $PREFIX/lib/libstdc++.so symlink
before building any package, to make sure that all C++ applications
link against a fully featured C++ standard library.
Avoid explicitly declaring a dependency on the libgnustl package
since everyone may link against it at will and instead mark it as
essential.
Due to a bug in nodejs [1] we have to remove the c-ares and gtest
include files before building. Improve this to restore them after
building to prevent build breakage if building a package requiring
these afterwards.
[1] https://github.com/nodejs/node/issues/2637
Fredrik Fornwall