[Bug 722091] New: NEON support fails to build on aarch64

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=722091
  GStreamer | gst-plugins-base | 1.2.2

           Summary: NEON support fails to build on aarch64
    Classification: Platform
           Product: GStreamer
           Version: 1.2.2
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: pbrobinson at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


The NEON instructions have changed somewhat on aarch64 (arm64) and don't build
when enabled on 1.2.x 

The error is:

make[3]: Leaving directory
`/builddir/build/BUILD/gst-plugins-base-1.2.2/gst/audioconvert'
/bin/sh ../../libtool  --tag=CC --tag=disable-static  --mode=compile gcc
-std=gnu99 -DHAVE_CONFIG_H -I. -I../..    -I../../gst-libs -I../../gst-libs
-pthread -I/usr/include/gstreamer-1.0 -I/usr/include/glib-2.0
-I/usr/lib64/glib-2.0/include   -pthread -I/usr/include/glib-2.0
-I/usr/lib64/glib-2.0/include -pthread -I/usr/include/gstreamer-1.0
-I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include   -DG_THREADS_MANDATORY
-DG_DISABLE_CAST_CHECKS -DG_DISABLE_ASSERT -Wall -Wdeclaration-after-statement
-Wvla -Wpointer-arith -Wmissing-declarations -Wmissing-prototypes
-Wredundant-decls -Wundef -Wwrite-strings -Wformat-nonliteral -Wformat-security
-Winit-self -Wmissing-include-dirs -Waddress -Waggregate-return -Wno-multichar
-Wnested-externs   -g    -pthread -I/usr/include/glib-2.0
-I/usr/lib64/glib-2.0/include   -O2 -g -pipe -Wall -Werror=format-security
-Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong
--param=ssp-buffer-size=4 -grecord-gcc-switches  -fno-stack-protector -c -o
libgsttcp_la-gsttcpclientsink.lo `test -f 'gsttcpclientsink.c' || echo
'./'`gsttcpclientsink.c
libtool: compile:  gcc -std=gnu99 -DHAVE_CONFIG_H -I. -I../.. -pthread
-I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -pthread
-I/usr/include/gstreamer-1.0 -I/usr/include/glib-2.0
-I/usr/lib64/glib-2.0/include -DG_THREADS_MANDATORY -DG_DISABLE_CAST_CHECKS
-DG_DISABLE_ASSERT -Wall -Wdeclaration-after-statement -Wvla -Wpointer-arith
-Wmissing-declarations -Wmissing-prototypes -Wredundant-decls -Wundef
-Wwrite-strings -Wformat-nonliteral -Wformat-security -Winit-self
-Wmissing-include-dirs -Waddress -Waggregate-return -Wno-multichar
-Wnested-externs -g -pthread -I/usr/include/gstreamer-1.0
-I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -O2 -g -pipe -Wall
-Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fexceptions
-fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches
-fno-stack-protector -c mpl2parse.c  -fPIC -DPIC -o
.libs/libgstsubparse_la-mpl2parse.o
libtool: compile:  gcc -std=gnu99 -DHAVE_CONFIG_H -I. -I../.. -I../../gst-libs
-I../../gst-libs -pthread -I/usr/include/gstreamer-1.0 -I/usr/include/glib-2.0
-I/usr/lib64/glib-2.0/include -pthread -I/usr/include/glib-2.0
-I/usr/lib64/glib-2.0/include -pthread -I/usr/include/gstreamer-1.0
-I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -DG_THREADS_MANDATORY
-DG_DISABLE_CAST_CHECKS -DG_DISABLE_ASSERT -Wall -Wdeclaration-after-statement
-Wvla -Wpointer-arith -Wmissing-declarations -Wmissing-prototypes
-Wredundant-decls -Wundef -Wwrite-strings -Wformat-nonliteral -Wformat-security
-Winit-self -Wmissing-include-dirs -Waddress -Waggregate-return -Wno-multichar
-Wnested-externs -g -pthread -I/usr/include/glib-2.0
-I/usr/lib64/glib-2.0/include -O2 -g -pipe -Wall -Werror=format-security
-Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong
--param=ssp-buffer-size=4 -grecord-gcc-switches -fno-stack-protector -c
gsttcpclientsink.c  -fPIC -DPIC -o .libs/libgsttcp_la-gsttcpclientsink.o
In file included from resample.c:144:0,
                 from speex_resampler_float.c:27:
resample.c: In function 'resampler_basic_direct_single':
resample_neon.h:148:5: error: impossible constraint in 'asm'
     asm volatile ("  cmp %[len], #0\n"
     ^

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