More aliases for ARM.
Do not force CFLAGS for ARM.

Index: source/CMakeLists.txt
===================================================================
--- source.orig/CMakeLists.txt
+++ source/CMakeLists.txt
@@ -40,7 +40,7 @@ SET(CMAKE_MODULE_PATH "${PROJECT_SOURCE_
 # System architecture detection
 string(TOLOWER "${CMAKE_SYSTEM_PROCESSOR}" SYSPROC)
 set(X86_ALIASES x86 i386 i686 x86_64 amd64)
-set(ARM_ALIASES armv6l armv7l aarch64)
+set(ARM_ALIASES armv6l armv6l armv7l armv7a aarch64)
 list(FIND X86_ALIASES "${SYSPROC}" X86MATCH)
 list(FIND ARM_ALIASES "${SYSPROC}" ARMMATCH)
 set(POWER_ALIASES ppc64 ppc64le)
@@ -239,11 +239,7 @@ if(GCC)
         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()
+        set(ARM_ARGS -fPIC)
         message(STATUS "cross compile arm")
     elseif(ARM)
         if(ARM64)
@@ -252,10 +248,10 @@ if(GCC)
         else()
             find_package(Neon)
             if(CPU_HAS_NEON)
-                set(ARM_ARGS -mcpu=native -mfloat-abi=hard -mfpu=neon -marm -fPIC)
+                set(ARM_ARGS -mfpu=neon -fPIC)
                 add_definitions(-DHAVE_NEON)
             else()
-                set(ARM_ARGS -mcpu=native -mfloat-abi=hard -mfpu=vfp -marm)
+	        set(ARM_ARGS -fPIC)
             endif()
         endif()
     endif()