`cargo build --release --target x86_64-unknown-linux-gnu` from OS X

cross_compile.txt

$ cargo build --release --target x86_64-unknown-linux-gnu
 Downloading yaml-rust v0.3.2
 Downloading libc v0.2.9
   Compiling yaml-rust v0.3.2
   Compiling regex-syntax v0.3.1
   Compiling vec_map v0.6.0
   Compiling libc v0.2.9
   Compiling mempool v0.2.0
   Compiling unicode-width v0.1.3
   Compiling clap v2.2.4
   Compiling memchr v0.1.10
   Compiling aho-corasick v0.5.1
   Compiling regex v0.1.61
   Compiling ktmpl v0.1.0 (file:///ktmpl)
error: linking with `cc` failed: exit code: 1
note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/.multirust/toolchains/nightly/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/ktmpl/target/x86_64-unknown-linux-gnu/release/ktmpl.0.o" "-o" "/ktmpl/target/x86_64-unknown-linux-gnu/release/ktmpl" "-Wl,--gc-sections" "-pie" "-Wl,-O1" "-nodefaultlibs" "-L" "/ktmpl/target/x86_64-unknown-linux-gnu/release" "-L" "/ktmpl/target/x86_64-unknown-linux-gnu/release/deps" "-L" "/.multirust/toolchains/nightly/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "-Wl,-Bdynamic" "/ktmpl/target/x86_64-unknown-linux-gnu/release/deps/libclap-ce3ad324ba390df4.rlib" "/ktmpl/target/x86_64-unknown-linux-gnu/release/deps/libstrsim-0b7717d7902a3ec7.rlib" "/ktmpl/target/x86_64-unknown-linux-gnu/release/deps/libregex-0689bec9a6f68623.rlib" "/ktmpl/target/x86_64-unknown-linux-gnu/release/deps/libyaml_rust-066028590da0883f.rlib" "/ktmpl/target/x86_64-unknown-linux-gnu/release/deps/libregex_syntax-fca6b3d9bd2fccee.rlib" "/ktmpl/target/x86_64-unknown-linux-gnu/release/deps/libbitflags-b378ff20d60f43f8.rlib" "/ktmpl/target/x86_64-unknown-linux-gnu/release/deps/libunicode_width-cece2f1ebe60be2d.rlib" "/ktmpl/target/x86_64-unknown-linux-gnu/release/deps/libansi_term-68e7c4af089a9086.rlib" "/ktmpl/target/x86_64-unknown-linux-gnu/release/deps/libaho_corasick-13668caf93db7fdf.rlib" "/ktmpl/target/x86_64-unknown-linux-gnu/release/deps/libmemchr-6b607a0dde114fba.rlib" "/ktmpl/target/x86_64-unknown-linux-gnu/release/deps/liblibc-00ad8a4a4c184a2d.rlib" "/ktmpl/target/x86_64-unknown-linux-gnu/release/deps/libvec_map-052ff1ed2f091ceb.rlib" "/ktmpl/target/x86_64-unknown-linux-gnu/release/deps/liblazy_static-553d4fa9dca2851d.rlib" "/ktmpl/target/x86_64-unknown-linux-gnu/release/deps/libutf8_ranges-a6119bc781af556b.rlib" "/ktmpl/target/x86_64-unknown-linux-gnu/release/deps/libmempool-f9e0bc86606a017f.rlib" "/.multirust/toolchains/nightly/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-18402db3.rlib" "/.multirust/toolchains/nightly/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcollections-18402db3.rlib" "/.multirust/toolchains/nightly/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-18402db3.rlib" "/.multirust/toolchains/nightly/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-18402db3.rlib" "/.multirust/toolchains/nightly/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc_jemalloc-18402db3.rlib" "/.multirust/toolchains/nightly/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-18402db3.rlib" "/.multirust/toolchains/nightly/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_unicode-18402db3.rlib" "/.multirust/toolchains/nightly/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-18402db3.rlib" "-l" "dl" "-l" "pthread" "-l" "gcc_s" "-l" "pthread" "-l" "c" "-l" "m" "-l" "rt" "-l" "compiler-rt"
note: clang: warning: argument unused during compilation: '-pie'
ld: unknown option: --as-needed
clang: error: linker command failed with exit code 1 (use -v to see invocation)

error: aborting due to previous error
error: Could not compile `ktmpl`.

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