Try to fix cross-compile for Raspberry Pi #723

Job	Run time
Generate for Linux	23m 13s
Generate for Linux	23m 13s
Generate for MacOSX	3m 15s
Generate for MacOSX	4m 10s
Generate for Synology 218+	21m 16s
Generate for Synology 218+	21m 16s
Generate for RaspberryPI (all versions)	14m 33s
Generate for RaspberryPI (all versions)	14m 33s
Generate for Windows	45m 41s
Generate for Windows	45m 41s
Generate RaspberryPI image (English)	19m 26s
Generate RaspberryPI image (English)	19m 26s
Generate RaspberryPI image (French)	19m 57s
Generate RaspberryPI image (French)	19m 57s
	4h 55m 37s

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