Set check instead of api to automatically use NEON if runtime-checks
succeed, instead of having to enable it from library user code.

Signed-off-by: Clemens Gruber <clemens.gru...@pqgruber.com>
---

Changes since v1:
- Forgot to fixup with a previous commit in my repo

Regarding the release announcement:
Yes, the most recent version 1.6.34 has only been announced on SF:
"This is a public release of libpng, intended for use in production
 codes. (...) Glenn R-P"

 rules/libpng.make | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/rules/libpng.make b/rules/libpng.make
index e15fe18b0..e110f0275 100644
--- a/rules/libpng.make
+++ b/rules/libpng.make
@@ -18,8 +18,8 @@ PACKAGES-$(PTXCONF_LIBPNG) += libpng
 #
 # Paths and names
 #
-LIBPNG_VERSION := 1.6.29
-LIBPNG_MD5     := 3245dbd76ea91e1437507357b858ec97
+LIBPNG_VERSION := 1.6.34
+LIBPNG_MD5     := c05b6ca7190a5e387b78657dbe5536b2
 LIBPNG         := libpng-$(LIBPNG_VERSION)
 LIBPNG_SUFFIX  := tar.xz
 LIBPNG_URL     := $(call ptx/mirror, SF, libpng/$(LIBPNG).$(LIBPNG_SUFFIX))
@@ -37,7 +37,7 @@ LIBPNG_CONF_OPT := \
        --enable-unversioned-links \
        --enable-unversioned-libpng-pc \
        --enable-unversioned-libpng-config \
-       --enable-arm-neon=$(call ptx/ifdef, PTXCONF_ARCH_ARM_NEON, yes, no) \
+       --enable-arm-neon=$(call ptx/ifdef, PTXCONF_ARCH_ARM_NEON, check, no) \
        --disable-mips-msa \
        --$(call ptx/endis, PTXCONF_ARCH_X86)-intel-sse \
        --disable-powerpc-vsx \
-- 
2.14.3


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