Merge pull request #654 from atopuzov/armv7l

Add support for armv7l

make-linux.mk

@@ -164,6 +164,11 @@ ifeq ($(CC_MACH),armv7l)
 	override DEFS+=-DZT_NO_TYPE_PUNNING
 	ZT_USE_ARM32_NEON_ASM_CRYPTO=1
 endif
+ifeq ($(CC_MACH),armv7l)
+        ZT_ARCHITECTURE=3
+	override DEFS+=-DZT_NO_TYPE_PUNNING
+	ZT_USE_ARM32_NEON_ASM_SALSA2012=1
+endif
 ifeq ($(CC_MACH),arm64)
 	ZT_ARCHITECTURE=4
 	override DEFS+=-DZT_NO_TYPE_PUNNING