Cross-compile native libraries #8

Job	Run time
create-branch	12s
macos (osx_64, x86_64, 10.9, MacOSX10.9.sdk)	30s
macos (osx_arm64, aarch64, 11, MacOSX11.0.sdk)	56s
linux-windows (linux_64, linux, x86_64, 64, docker.io/dockcross/linux-x64:${DOCK_CROSS_TAG})	52s
linux-windows (linux_32, linux, x86_32, 32, docker.io/dockcross/linux-x86:${DOCK_CROSS_TAG})	1m 8s
linux-windows (linux_arm64, linux, aarch_64, 64, docker.io/dockcross/linux-arm64-lts:${DOCK_CROSS...	1m 5s
linux-windows (linux_riscv32, linux, riscv32, 32, docker.io/dockcross/linux-riscv32:${DOCK_CROSS_...	55s
linux-windows (linux_arm, linux, arm_32, 32, docker.io/dockcross/linux-armv6-lts:${DOCK_CROSS_TAG})	1m 3s
linux-windows (linux_ppc, linux, ppc_64, 64, docker.io/dockcross/linux-ppc64le:${DOCK_CROSS_TAG})	1m 32s
linux-windows (windows_64, windows, x86_64, 64, docker.io/dockcross/windows-static-x64:${DOCK_CRO...	1m 26s
linux-windows (windows_32, windows, x86_32, 32, docker.io/dockcross/windows-static-x86:${DOCK_CRO...	1m 18s
linux-windows (windows_arm64, windows, aarch_64, 64, docker.io/dockcross/windows-arm64:${DOCK_CRO...	1m 2s
linux-windows (linux_riscv64, linux, riscv64, 64, docker.io/dockcross/linux-riscv64:${DOCK_CROSS_...	1m 4s
single-commit	4s
	13m 7s

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