Build

Workaround jemalloc require gcc on andoird #160

Job	Run time
build-macos	5m 38s
build-linux-musl (x86_64-unknown-linux-musl)	4m 27s
build-linux (x86_64-unknown-linux-gnu)	3m 58s
build-android (aarch64-linux-android)	3m 24s
build-linux-musl (aarch64-unknown-linux-musl)	4m 37s
build-linux (aarch64-unknown-linux-gnu)	4m 5s
build-android (armv7-linux-androideabi)	3m 29s
build-linux-musl (armv7-unknown-linux-musleabihf)	4m 38s
build-windows (x86_64-pc-windows-msvc)	13m 4s
build-linux (armv7-unknown-linux-gnueabihf)	3m 52s
build-android (x86_64-linux-android)	3m 29s
build-windows (i686-pc-windows-msvc)	12m 28s
	1h 7m 9s

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