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fix Android standalone toolchain build

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add a check for cpu-features.h and rework some of the ifdef's around
android + neon. for android builds with cpu-features enabled the
*_neon.c files will still need to be flagged correctly (with e.g.,
.c.neon in Android.mk) to properly build them.

BUG=webp:353

Change-Id: I905ce305af0a204e560b915d8665093a3edaceb9
This commit is contained in:
James Zern
2017-08-01 18:33:50 -07:00
parent c71b68ac45
commit c6d1db4b36
5 changed files with 17 additions and 8 deletions
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10
configure.ac
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@ -244,9 +244,13 @@ AS_IF([test "x$enable_neon" != "xno"], [
NEON_FLAGS=""],
[AC_DEFINE(WEBP_HAVE_NEON_RTCD, [1],
[Set to 1 if runtime detection of NEON is enabled])])])
;;
esac
AC_SUBST([NEON_FLAGS])])
case "$host_os" in
*android*) AC_CHECK_HEADERS([cpu-features.h]) ;;
esac
;;
esac
AC_SUBST([NEON_FLAGS])])
dnl === CLEAR_LIBVARS([var_pfx])
dnl === Clears <var_pfx>_{INCLUDES,LIBS}.