Building on macos fails

[kaukas]

Hello.

Trying to build cassandra-cpp on macos I get:

cc "-m64" "-L" "$HOME/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib" "$PROJECT/target/debug/deps/rs_scroller-d39e8fcc964e37b9.1qnj6s9830d6r3y4.rcgu.o" "$PROJECT/target/debug/deps/rs_scroller-d39e8fcc964e37b9.2km8au3oo5rblp3j.rcgu.o" "$PROJECT/target/debug/deps/rs_scroller-d39e8fcc964e37b9.38uecmwb2fnturi4.rcgu.o" "$PROJECT/target/debug/deps/rs_scroller-d39e8fcc964e37b9.44uxcephuzfifzah.rcgu.o" "$PROJECT/target/debug/deps/rs_scroller-d39e8fcc964e37b9.64j2o7n9o8cqkb8.rcgu.o" "-o" "$PROJECT/target/debug/deps/rs_scroller-d39e8fcc964e37b9" "$PROJECT/target/debug/deps/rs_scroller-d39e8fcc964e37b9.4o3e8l6pgl6azvvw.rcgu.o" "-Wl,-dead_strip" "-nodefaultlibs" "-L" "$PROJECT/target/debug/deps" "-L" "/usr/lib" "-L" "/usr/local/Cellar/openssl/1.0.2r/lib" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/usr/local/lib/x86_64-linux-gnu" "-L" "/usr/local/lib64" "-L" "/usr/local/lib" "-L" "/usr/lib64/" "-L" "/usr/lib/" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/usr/local/lib/x86_64-linux-gnu" "-L" "/usr/local/lib64" "-L" "/usr/local/lib" "-L" "/usr/lib64/" "-L" "$PROJECT/target/debug/build/decimal-285435f0a574f7d3/out" "-L" "$HOME/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib" "$PROJECT/target/debug/deps/libcassandra_cpp-c4f071033b509a6c.rlib" "$PROJECT/target/debug/deps/liberror_chain-9c4bcc9c2cb9a03d.rlib" "$PROJECT/target/debug/deps/libbacktrace-cf7352330f54a870.rlib" "$PROJECT/target/debug/deps/librustc_demangle-b8b81e046f6fbd17.rlib" "$PROJECT/target/debug/deps/libcfg_if-8e10b3381722fba2.rlib" "$PROJECT/target/debug/deps/libcassandra_cpp_sys-e973b7aab8ddf2c9.rlib" "$PROJECT/target/debug/deps/libfutures-7ab953d11b2e1dbd.rlib" "$PROJECT/target/debug/deps/libuuid-75133e9e80dc36ad.rlib" "$PROJECT/target/debug/deps/libtime-4b38edaff19428bf.rlib" "$PROJECT/target/debug/deps/libdecimal-0adaa612c7665d20.rlib" "$PROJECT/target/debug/deps/libserde-2513191d4879d6ff.rlib" "$PROJECT/target/debug/deps/librustc_serialize-5668abe9247a5d09.rlib" "$PROJECT/target/debug/deps/libord_subset-31daa916131e4804.rlib" "$PROJECT/target/debug/deps/liblibc-104dc3581e71f1ec.rlib" "$PROJECT/target/debug/deps/libbitflags-8346604936f544cf.rlib" "$PROJECT/target/debug/deps/libslog-c9c9aef676e33be9.rlib" "$HOME/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib/libstd-64d1544b9dc8a8d7.rlib" "$HOME/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib/libpanic_unwind-47702365139f147e.rlib" "$HOME/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib/libbacktrace_sys-0aefa3a2bfa44649.rlib" "$HOME/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib/libunwind-c2b22c88cacffeb6.rlib" "$HOME/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib/librustc_demangle-fca4484aa9be2d09.rlib" "$HOME/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib/liblibc-4728c64ee20d89f8.rlib" "$HOME/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib/liballoc-1722fbf72ce989c9.rlib" "$HOME/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib/librustc_std_workspace_core-0836ff3f3d6a6ee6.rlib" "$HOME/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib/libcore-91c9fbc323ad09b7.rlib" "$HOME/.rustup/toolchains/stable-x86_64-apple-darwin/lib/rustlib/x86_64-apple-darwin/lib/libcompiler_builtins-43b96ba2cdcc7cb3.rlib" "-lcassandra" "-lcrypto" "-lssl" "-lstdc++" "-luv" "-lcassandra" "-lcrypto" "-lssl" "-lstdc++" "-luv" "-lSystem" "-lresolv" "-lc" "-lm"
ld: warning: directory not found for option '-L/usr/lib/x86_64-linux-gnu'
ld: warning: directory not found for option '-L/usr/local/lib/x86_64-linux-gnu'
ld: warning: directory not found for option '-L/usr/local/lib64'
ld: warning: directory not found for option '-L/usr/lib64/'
ld: warning: directory not found for option '-L/usr/lib/x86_64-linux-gnu'
ld: warning: directory not found for option '-L/usr/local/lib/x86_64-linux-gnu'
ld: warning: directory not found for option '-L/usr/local/lib64'
ld: warning: directory not found for option '-L/usr/lib64/'
ld: library not found for -lstdc++
clang: error: linker command failed with exit code 1 (use -v to see invocation)

Removing stdc++ dependency works. I don't think it's needed on macos at all.

Also, please note that both cassandra-cpp and cassandra-sys-rs have the same build.rs files. I don't think that's necessary.

[kw217]

Fixed by #24