libpng: Enable NEON for aarch64 to enensure consistency with arm32.

NEON is enabled for aarch64 by default, so, to ensure consistency with
arm32, reference to libpng-1.6.38/configure, added
enable_hardware_optimizations option for aarch64.

(From OE-Core rev: 27a58c11536bc0e804904c2dd97820973d0b9a2f)

Signed-off-by: Lei Maohui <leimaohui@fujitsu.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 12e68d5824849fa20f0e3fe8fc1921da111bb6fb)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/meta/recipes-multimedia/libpng/libpng_1.6.39.bb b/meta/recipes-multimedia/libpng/libpng_1.6.39.bb
index d9dcf379e9..a6c229f5cf 100644
--- a/meta/recipes-multimedia/libpng/libpng_1.6.39.bb
+++ b/meta/recipes-multimedia/libpng/libpng_1.6.39.bb
@@ -22,7 +22,9 @@ BINCONFIG = "${bindir}/libpng-config ${bindir}/libpng16-config"
 inherit autotools binconfig-disabled pkgconfig
 
 # Work around missing symbols
-EXTRA_OECONF:append:class-target = " ${@bb.utils.contains("TUNE_FEATURES", "neon", "--enable-arm-neon=on", "--enable-arm-neon=off", d)}"
+ARMNEON = "${@bb.utils.contains("TUNE_FEATURES", "neon", "--enable-arm-neon=on", "--enable-arm-neon=off", d)}"
+ARMNEON:aarch64 = "--enable-hardware-optimizations=on"
+EXTRA_OECONF += "${ARMNEON}"
 
 PACKAGES =+ "${PN}-tools"