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[libpng16] Added PNG_USE_ARM_NEON configuration flag (Marcin Juszkiewicz).

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Glenn Randers-Pehrson
2014-11-03 08:24:34 -06:00
parent bd3818eb1b
commit 3278452323
4 changed files with 11 additions and 5 deletions
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4
configure.ac
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@@ -283,17 +283,21 @@ AC_ARG_ENABLE([arm-neon],
[case "$enableval" in
no|off)
# disable the default enabling on __ARM_NEON__ systems:
AC_DEFINE([PNG_USE_ARM_NEON], [], [ARM NEON support])
AC_DEFINE([PNG_ARM_NEON_OPT], [0],
[Disable ARM Neon optimizations])
# Prevent inclusion of the assembler files below:
enable_arm_neon=no;;
check)
AC_DEFINE([PNG_USE_ARM_NEON], [], [ARM NEON support])
AC_DEFINE([PNG_ARM_NEON_CHECK_SUPPORTED], [],
[Check for ARM Neon support at run-time]);;
api)
AC_DEFINE([PNG_USE_ARM_NEON], [], [ARM NEON support])
AC_DEFINE([PNG_ARM_NEON_API_SUPPORTED], [],
[Turn on ARM Neon optimizations at run-time]);;
yes|on)
AC_DEFINE([PNG_USE_ARM_NEON], [], [ARM NEON support])
AC_DEFINE([PNG_ARM_NEON_OPT], [2],
[Enable ARM Neon optimizations])
AC_MSG_WARN([--enable-arm-neon: please specify 'check' or 'api', if]