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[master] Imported from libpng-1.6.31.tar

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This commit is contained in:
Glenn Randers-Pehrson
2017-07-27 05:25:33 -05:00
parent 8c552ddf5b
commit fbff8986e7
53 changed files with 1014 additions and 233 deletions
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55
configure.ac
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@@ -25,7 +25,7 @@ AC_PREREQ([2.68])
dnl Version number stuff here:
AC_INIT([libpng],[1.6.30],[png-mng-implement@lists.sourceforge.net])
AC_INIT([libpng],[1.6.31],[png-mng-implement@lists.sourceforge.net])
AC_CONFIG_MACRO_DIR([scripts])
# libpng does not follow GNU file name conventions (hence 'foreign')
@@ -46,10 +46,10 @@ dnl automake, so the following is not necessary (and is not defined anyway):
dnl AM_PREREQ([1.11.2])
dnl stop configure from automagically running automake
PNGLIB_VERSION=1.6.30
PNGLIB_VERSION=1.6.31
PNGLIB_MAJOR=1
PNGLIB_MINOR=6
PNGLIB_RELEASE=30
PNGLIB_RELEASE=31
dnl End of version number stuff
@@ -300,6 +300,55 @@ AM_CONDITIONAL([DO_INSTALL_LIBPNG_CONFIG],
# HOST SPECIFIC OPTIONS
# =====================
#
# DEFAULT
# =======
#
AC_ARG_ENABLE([hardware-optimizations],
AS_HELP_STRING([[[--enable-hardware-optimizations]]],
[Enable hardware optimizations: =no/off, yes/on:]),
[case "$enableval" in
no|off)
# disable hardware optimization on all systems:
enable_arm_neon=no
AC_DEFINE([PNG_ARM_NEON_OPT], [0],
[Disable ARM_NEON optimizations])
enable_mips_msa=no
AC_DEFINE([PNG_MIPS_MSA_OPT], [0],
[Disable MIPS_MSA optimizations])
enable_powerpc_vsx=no
AC_DEFINE([PNG_POWERPC_VSX_OPT], [0],
[Disable POWERPC VSX optimizations])
enable_intel_sse=no
AC_DEFINE([PNG_INTEL_SSE_OPT], [0],
[Disable INTEL_SSE optimizations])
;;
*)
# allow enabling hardware optimization on any system:
case "$host_cpu" in
arm*|aarch64*)
enable_arm_neon=yes
AC_DEFINE([PNG_ARM_NEON_OPT], [0],
[Enable ARM_NEON optimizations])
;;
mipsel*|mips64el*)
enable_mips_msa=yes
AC_DEFINE([PNG_MIPS_MSA_OPT], [0],
[Enable MIPS_MSA optimizations])
;;
i?86|x86_64)
enable_intel_sse=yes
AC_DEFINE([PNG_INTEL_SSE_OPT], [1],
[Enable Intel SSE optimizations])
;;
powerpc*|ppc64*)
enable_powerpc_vsx=yes
AC_DEFINE([PNG_POWERPC_VSX_OPT], [2],
[Enable POWERPC VSX optimizations])
;;
esac
;;
esac])
# ARM
# ===
#