release-1.19.2
aria2_arg.m4: Doc fix
Make AX_CXX_COMPILE_STDCXX_11 test for -stdlib=libc++ via std::shared_ptr
2010-07-27 Tatsuhiro Tsujikawa <t-tujikawa@users.sourceforge.net>
Check with pkg-config only: c-ares, openssl, sqlite3 and zlib.