evas: Modify configure to branch by architectures for neon

Summary:
neon code is only needed to be included for the arm architecture.
so that this code modify automake configure files to support it.

Reviewers: Hermet

Reviewed By: Hermet

Subscribers: cedric, #reviewers, #committers

Tags: #efl

Differential Revision: https://phab.enlightenment.org/D7096

configure.ac

@@ -657,6 +657,7 @@ case $host_cpu in
            AC_DEFINE([BUILD_NEON], [1], [Build NEON Code])
            AC_DEFINE([BUILD_NEON_INTRINSICS], [1], [Build NEON Intrinsics])
            build_cpu_neon="yes"
+           build_cpu_neon_intrinsics="yes"
        	 ],[
 	   AC_MSG_RESULT([no])
            build_cpu_neon="no"
@@ -666,6 +667,7 @@ case $host_cpu in
 esac
 
 AM_CONDITIONAL([BUILD_NEON], [test "${build_cpu_neon}" = "yes"])
+AM_CONDITIONAL([BUILD_NEON_INTRINSICS], [test "${build_cpu_neon_intrinsics}" = "yes"])
 
 AC_SUBST([ALTIVEC_CFLAGS])
 AC_SUBST([SSE3_CFLAGS])

src/Makefile_Evas.am

@@ -461,6 +461,12 @@ lib/evas/common/evas_font_ot.h \
 lib/evas/common/evas_font_draw.h \
 lib/evas/common/evas_common_generic_cache.c
 
+if BUILD_NEON
+if !BUILD_NEON_INTRINSICS
+lib_evas_libevas_la_SOURCES += \
+lib/evas/common/evas_op_copy/op_copy_neon.S
+endif
+endif
 
 lib_evas_libevas_la_CPPFLAGS = -I$(top_builddir)/src/lib/efl \
 -I$(top_srcdir)/src/lib/evas/canvas \