diff -r 2a65b7209850 source/CMakeLists.txt
--- a/source/CMakeLists.txt	Fri May 29 23:09:35 2020 +0530
+++ b/source/CMakeLists.txt	Tue Jun 09 12:49:19 2020 -0600
@@ -40,7 +40,7 @@
 # System architecture detection
 string(TOLOWER "${CMAKE_SYSTEM_PROCESSOR}" SYSPROC)
 set(X86_ALIASES x86 i386 i686 x86_64 amd64)
-set(ARM_ALIASES armv6l armv7l aarch64)
+set(ARM_ALIASES armv5tel armv6l armv7l aarch64)
 list(FIND X86_ALIASES "${SYSPROC}" X86MATCH)
 list(FIND ARM_ALIASES "${SYSPROC}" ARMMATCH)
 set(POWER_ALIASES ppc64 ppc64le)
@@ -76,8 +76,16 @@
         set(ARM64 1)
         add_definitions(-DX265_ARCH_ARM=1 -DX265_ARCH_ARM64=1 -DHAVE_ARMV6=0)
     else()
-        message(STATUS "Detected ARM target processor")
-        add_definitions(-DX265_ARCH_ARM=1 -DX265_ARCH_ARM64=0 -DHAVE_ARMV6=1)
+        if(${SYSPROC} MATCHES "armv5.*")
+            message(STATUS "Detected ARMV5 system processor")
+            add_definitions(-DX265_ARCH_ARM=1 -DX265_ARCH_ARM64=0 -DHAVE_ARMV6=0 -DHAVE_NEON=0)
+        elseif(${SYSPROC} STREQUAL "armv6l")
+            message(STATUS "Detected ARMV6 system processor")
+            add_definitions(-DX265_ARCH_ARM=1 -DX265_ARCH_ARM64=0 -DHAVE_ARMV6=0 -DHAVE_NEON=0)
+        elseif(${SYSPROC} STREQUAL "armv7l")
+            message(STATUS "Detected ARMV7 system processor")
+            add_definitions(-DX265_ARCH_ARM=1 -DX265_ARCH_ARM64=0 -DHAVE_ARMV6=0 -DHAVE_NEON=0 -fPIC)
+        endif()
     endif()
 else()
     message(STATUS "CMAKE_SYSTEM_PROCESSOR value `${CMAKE_SYSTEM_PROCESSOR}` is unknown")
@@ -238,28 +246,11 @@
             endif()
         endif()
     endif()
-    if(ARM AND CROSS_COMPILE_ARM)
-        if(ARM64)
-            set(ARM_ARGS -fPIC)
-        else()
-            set(ARM_ARGS -march=armv6 -mfloat-abi=soft -mfpu=vfp -marm -fPIC)
-        endif()
-        message(STATUS "cross compile arm")
-    elseif(ARM)
-        if(ARM64)
-            set(ARM_ARGS -fPIC)
-            add_definitions(-DHAVE_NEON)
-        else()
-            find_package(Neon)
-            if(CPU_HAS_NEON)
-                set(ARM_ARGS -mcpu=native -mfloat-abi=hard -mfpu=neon -marm -fPIC)
-                add_definitions(-DHAVE_NEON)
-            else()
-                set(ARM_ARGS -mcpu=native -mfloat-abi=hard -mfpu=vfp -marm)
-            endif()
-        endif()
+    if(ARM64)
+        set(ARM_ARGS -fPIC)
+        add_definitions(-DHAVE_NEON)
+        add_definitions(${ARM_ARGS})
     endif()
-    add_definitions(${ARM_ARGS})
     if(FPROFILE_GENERATE)
         if(INTEL_CXX)
             add_definitions(-prof-gen -prof-dir="${CMAKE_CURRENT_BINARY_DIR}")
diff -r 2a65b7209850 source/common/cpu.cpp
--- a/source/common/cpu.cpp	Fri May 29 23:09:35 2020 +0530
+++ b/source/common/cpu.cpp	Tue Jun 09 12:49:19 2020 -0600
@@ -39,7 +39,7 @@
 #include <machine/cpu.h>
 #endif
 
-#if X265_ARCH_ARM && !defined(HAVE_NEON)
+#if X265_ARCH_ARM && (!defined(HAVE_NEON) || HAVE_NEON==0)
 #include <signal.h>
 #include <setjmp.h>
 static sigjmp_buf jmpbuf;