933 lines
33 KiB
Text
933 lines
33 KiB
Text
dnl Process this file with autoconf to produce a configure script. -*-m4-*-
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dnl The package_version file will be automatically synced to the git revision
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dnl by the update_version script when configured in the repository, but will
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dnl remain constant in tarball releases unless it is manually edited.
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m4_define([CURRENT_VERSION],
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m4_esyscmd([ ./update_version 2>/dev/null || true
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if test -e package_version; then
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. ./package_version
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printf "$PACKAGE_VERSION"
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else
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printf "unknown"
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fi ]))
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AC_INIT([opus],[CURRENT_VERSION],[opus@xiph.org])
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AC_CONFIG_SRCDIR(src/opus_encoder.c)
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AC_CONFIG_MACRO_DIR([m4])
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dnl enable silent rules on automake 1.11 and later
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m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
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# For libtool.
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dnl Please update these for releases.
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OPUS_LT_CURRENT=8
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OPUS_LT_REVISION=0
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OPUS_LT_AGE=8
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AC_SUBST(OPUS_LT_CURRENT)
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AC_SUBST(OPUS_LT_REVISION)
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AC_SUBST(OPUS_LT_AGE)
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AM_INIT_AUTOMAKE([no-define])
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AM_MAINTAINER_MODE([enable])
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AC_CANONICAL_HOST
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AC_MINGW32
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AM_PROG_LIBTOOL
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AM_PROG_CC_C_O
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AC_PROG_CC_C99
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AC_C_CONST
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AC_C_INLINE
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AM_PROG_AS
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AC_DEFINE([OPUS_BUILD], [], [This is a build of OPUS])
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#Use a hacked up version of autoconf's AC_C_RESTRICT because it's not
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#strong enough a test to detect old buggy versions of GCC (e.g. 2.95.3)
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#Note: Both this and the test for variable-size arrays below are also
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# done by AC_PROG_CC_C99, but not thoroughly enough apparently.
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AC_CACHE_CHECK([for C/C++ restrict keyword], ac_cv_c_restrict,
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[ac_cv_c_restrict=no
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# The order here caters to the fact that C++ does not require restrict.
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for ac_kw in __restrict __restrict__ _Restrict restrict; do
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
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[[typedef int * int_ptr;
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int foo (int_ptr $ac_kw ip, int * $ac_kw baz[]) {
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return ip[0];
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}]],
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[[int s[1];
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int * $ac_kw t = s;
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t[0] = 0;
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return foo(t, (void *)0)]])],
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[ac_cv_c_restrict=$ac_kw])
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test "$ac_cv_c_restrict" != no && break
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done
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])
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AH_VERBATIM([restrict],
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[/* Define to the equivalent of the C99 'restrict' keyword, or to
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nothing if this is not supported. Do not define if restrict is
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supported directly. */
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#undef restrict
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/* Work around a bug in Sun C++: it does not support _Restrict or
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__restrict__, even though the corresponding Sun C compiler ends up with
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"#define restrict _Restrict" or "#define restrict __restrict__" in the
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previous line. Perhaps some future version of Sun C++ will work with
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restrict; if so, hopefully it defines __RESTRICT like Sun C does. */
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#if defined __SUNPRO_CC && !defined __RESTRICT
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# define _Restrict
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# define __restrict__
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#endif])
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case $ac_cv_c_restrict in
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restrict) ;;
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no) AC_DEFINE([restrict], []) ;;
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*) AC_DEFINE_UNQUOTED([restrict], [$ac_cv_c_restrict]) ;;
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esac
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AC_MSG_CHECKING(for C99 variable-size arrays)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
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[[static int x; char a[++x]; a[sizeof a - 1] = 0; int N; return a[0];]])],
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[ has_var_arrays=yes
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use_alloca="no (using var arrays)"
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AC_DEFINE([VAR_ARRAYS], [1], [Use C99 variable-size arrays])
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],[
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has_var_arrays=no
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])
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AC_MSG_RESULT([$has_var_arrays])
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AS_IF([test "$has_var_arrays" = "no"],
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[
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AC_CHECK_HEADERS([alloca.h])
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AC_MSG_CHECKING(for alloca)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alloca.h>]],
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[[int foo=10; int *array = alloca(foo);]])],
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[ use_alloca=yes;
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AC_DEFINE([USE_ALLOCA], [], [Make use of alloca])
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],[
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use_alloca=no
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])
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AC_MSG_RESULT([$use_alloca])
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])
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LT_LIB_M
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AC_ARG_ENABLE([fixed-point],
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[AS_HELP_STRING([--enable-fixed-point],
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[compile without floating point (for machines without a fast enough FPU)])],,
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[enable_fixed_point=no])
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AS_IF([test "$enable_fixed_point" = "yes"],[
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enable_float="no"
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AC_DEFINE([FIXED_POINT], [1], [Compile as fixed-point (for machines without a fast enough FPU)])
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PC_BUILD="fixed-point"
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],[
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enable_float="yes";
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PC_BUILD="floating-point"
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])
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AM_CONDITIONAL([FIXED_POINT], [test "$enable_fixed_point" = "yes"])
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AC_ARG_ENABLE([fixed-point-debug],
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[AS_HELP_STRING([--enable-fixed-point-debug], [debug fixed-point implementation])],,
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[enable_fixed_point_debug=no])
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AS_IF([test "$enable_fixed_point_debug" = "yes"],[
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AC_DEFINE([FIXED_DEBUG], [1], [Debug fixed-point implementation])
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])
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AC_ARG_ENABLE([float_api],
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[AS_HELP_STRING([--disable-float-api],
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[compile without the floating point API (for machines with no float library)])],,
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[enable_float_api=yes])
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AM_CONDITIONAL([DISABLE_FLOAT_API], [test "$enable_float_api" = "no"])
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AS_IF([test "$enable_float_api" = "no"],[
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AC_DEFINE([DISABLE_FLOAT_API], [1], [Do not build the float API])
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])
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AC_ARG_ENABLE([custom-modes],
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[AS_HELP_STRING([--enable-custom-modes], [enable non-Opus modes, e.g. 44.1 kHz & 2^n frames])],,
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[enable_custom_modes=no])
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AS_IF([test "$enable_custom_modes" = "yes"],[
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AC_DEFINE([CUSTOM_MODES], [1], [Custom modes])
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PC_BUILD="$PC_BUILD, custom modes"
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])
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AM_CONDITIONAL([CUSTOM_MODES], [test "$enable_custom_modes" = "yes"])
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has_float_approx=no
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#case "$host_cpu" in
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#i[[3456]]86 | x86_64 | powerpc64 | powerpc32 | ia64)
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# has_float_approx=yes
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# ;;
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#esac
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AC_ARG_ENABLE([float-approx],
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[AS_HELP_STRING([--enable-float-approx], [enable fast approximations for floating point])],
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[if test "$enable_float_approx" = "yes"; then
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AC_WARN([Floating point approximations are not supported on all platforms.])
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fi
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],
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[enable_float_approx=$has_float_approx])
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AS_IF([test "$enable_float_approx" = "yes"],[
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AC_DEFINE([FLOAT_APPROX], [1], [Float approximations])
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])
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AC_ARG_ENABLE([asm],
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[AS_HELP_STRING([--disable-asm], [Disable assembly optimizations])],,
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[enable_asm=yes])
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AC_ARG_ENABLE([rtcd],
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[AS_HELP_STRING([--disable-rtcd], [Disable run-time CPU capabilities detection])],,
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[enable_rtcd=yes])
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AC_ARG_ENABLE([intrinsics],
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[AS_HELP_STRING([--disable-intrinsics], [Disable intrinsics optimizations])],,
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[enable_intrinsics=yes])
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rtcd_support=no
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cpu_arm=no
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AS_IF([test x"${enable_asm}" = x"yes"],[
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inline_optimization="No inline ASM for your platform, please send patches"
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case $host_cpu in
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arm*)
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dnl Currently we only have asm for fixed-point
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AS_IF([test "$enable_float" != "yes"],[
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cpu_arm=yes
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AC_DEFINE([OPUS_ARM_ASM], [], [Make use of ARM asm optimization])
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AS_GCC_INLINE_ASSEMBLY(
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[inline_optimization="ARM"],
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[inline_optimization="disabled"]
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)
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AS_ASM_ARM_EDSP([OPUS_ARM_INLINE_EDSP=1],[OPUS_ARM_INLINE_EDSP=0])
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AS_ASM_ARM_MEDIA([OPUS_ARM_INLINE_MEDIA=1],
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[OPUS_ARM_INLINE_MEDIA=0])
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AS_ASM_ARM_NEON([OPUS_ARM_INLINE_NEON=1],[OPUS_ARM_INLINE_NEON=0])
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AS_IF([test x"$inline_optimization" = x"ARM"],[
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AM_CONDITIONAL([OPUS_ARM_INLINE_ASM],[true])
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AC_DEFINE([OPUS_ARM_INLINE_ASM], 1,
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[Use generic ARMv4 inline asm optimizations])
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AS_IF([test x"$OPUS_ARM_INLINE_EDSP" = x"1"],[
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AC_DEFINE([OPUS_ARM_INLINE_EDSP], [1],
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[Use ARMv5E inline asm optimizations])
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inline_optimization="$inline_optimization (EDSP)"
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])
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AS_IF([test x"$OPUS_ARM_INLINE_MEDIA" = x"1"],[
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AC_DEFINE([OPUS_ARM_INLINE_MEDIA], [1],
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[Use ARMv6 inline asm optimizations])
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inline_optimization="$inline_optimization (Media)"
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])
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AS_IF([test x"$OPUS_ARM_INLINE_NEON" = x"1"],[
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AC_DEFINE([OPUS_ARM_INLINE_NEON], 1,
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[Use ARM NEON inline asm optimizations])
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inline_optimization="$inline_optimization (NEON)"
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])
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])
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dnl We need Perl to translate RVCT-syntax asm to gas syntax.
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AC_CHECK_PROG([HAVE_PERL], perl, yes, no)
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AS_IF([test x"$HAVE_PERL" = x"yes"],[
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AM_CONDITIONAL([OPUS_ARM_EXTERNAL_ASM],[true])
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asm_optimization="ARM"
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AS_IF([test x"$OPUS_ARM_INLINE_EDSP" = x"1"], [
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OPUS_ARM_PRESUME_EDSP=1
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OPUS_ARM_MAY_HAVE_EDSP=1
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],
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[
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OPUS_ARM_PRESUME_EDSP=0
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OPUS_ARM_MAY_HAVE_EDSP=0
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])
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AS_IF([test x"$OPUS_ARM_INLINE_MEDIA" = x"1"], [
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OPUS_ARM_PRESUME_MEDIA=1
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OPUS_ARM_MAY_HAVE_MEDIA=1
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],
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[
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OPUS_ARM_PRESUME_MEDIA=0
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OPUS_ARM_MAY_HAVE_MEDIA=0
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])
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AS_IF([test x"$OPUS_ARM_INLINE_NEON" = x"1"], [
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OPUS_ARM_PRESUME_NEON=1
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OPUS_ARM_MAY_HAVE_NEON=1
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],
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[
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OPUS_ARM_PRESUME_NEON=0
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OPUS_ARM_MAY_HAVE_NEON=0
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])
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AS_IF([test x"$enable_rtcd" = x"yes"],[
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AS_IF([test x"$OPUS_ARM_MAY_HAVE_EDSP" != x"1"],[
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AC_MSG_NOTICE(
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[Trying to force-enable armv5e EDSP instructions...])
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AS_ASM_ARM_EDSP_FORCE([OPUS_ARM_MAY_HAVE_EDSP=1])
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])
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AS_IF([test x"$OPUS_ARM_MAY_HAVE_MEDIA" != x"1"],[
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AC_MSG_NOTICE(
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[Trying to force-enable ARMv6 media instructions...])
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AS_ASM_ARM_MEDIA_FORCE([OPUS_ARM_MAY_HAVE_MEDIA=1])
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])
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AS_IF([test x"$OPUS_ARM_MAY_HAVE_NEON" != x"1"],[
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AC_MSG_NOTICE(
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[Trying to force-enable NEON instructions...])
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AS_ASM_ARM_NEON_FORCE([OPUS_ARM_MAY_HAVE_NEON=1])
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])
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])
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rtcd_support=
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AS_IF([test x"$OPUS_ARM_MAY_HAVE_EDSP" = x"1"],[
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AC_DEFINE(OPUS_ARM_MAY_HAVE_EDSP, 1,
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[Define if assembler supports EDSP instructions])
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AS_IF([test x"$OPUS_ARM_PRESUME_EDSP" = x"1"],[
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AC_DEFINE(OPUS_ARM_PRESUME_EDSP, 1,
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[Define if binary requires EDSP instruction support])
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asm_optimization="$asm_optimization (EDSP)"
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],
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[rtcd_support="$rtcd_support (EDSP)"]
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)
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])
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AC_SUBST(OPUS_ARM_MAY_HAVE_EDSP)
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AS_IF([test x"$OPUS_ARM_MAY_HAVE_MEDIA" = x"1"],[
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AC_DEFINE(OPUS_ARM_MAY_HAVE_MEDIA, 1,
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[Define if assembler supports ARMv6 media instructions])
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AS_IF([test x"$OPUS_ARM_PRESUME_MEDIA" = x"1"],[
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AC_DEFINE(OPUS_ARM_PRESUME_MEDIA, 1,
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[Define if binary requires ARMv6 media instruction support])
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asm_optimization="$asm_optimization (Media)"
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],
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[rtcd_support="$rtcd_support (Media)"]
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)
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])
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AC_SUBST(OPUS_ARM_MAY_HAVE_MEDIA)
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AS_IF([test x"$OPUS_ARM_MAY_HAVE_NEON" = x"1"],[
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AC_DEFINE(OPUS_ARM_MAY_HAVE_NEON, 1,
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[Define if compiler supports NEON instructions])
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AS_IF([test x"$OPUS_ARM_PRESUME_NEON" = x"1"], [
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AC_DEFINE(OPUS_ARM_PRESUME_NEON, 1,
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[Define if binary requires NEON instruction support])
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asm_optimization="$asm_optimization (NEON)"
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],
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[rtcd_support="$rtcd_support (NEON)"]
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)
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])
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AC_SUBST(OPUS_ARM_MAY_HAVE_NEON)
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dnl Make sure turning on RTCD gets us at least one
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dnl instruction set.
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AS_IF([test x"$rtcd_support" != x""],
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[rtcd_support=ARM"$rtcd_support"],
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[rtcd_support="no"]
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)
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AC_MSG_CHECKING([for apple style tools])
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AC_PREPROC_IFELSE([AC_LANG_PROGRAM([
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#ifndef __APPLE__
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#error 1
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#endif],[])],
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[AC_MSG_RESULT([yes]); ARM2GNU_PARAMS="--apple"],
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[AC_MSG_RESULT([no]); ARM2GNU_PARAMS=""])
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AC_SUBST(ARM2GNU_PARAMS)
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],
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[
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AC_MSG_WARN(
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[*** ARM assembly requires perl -- disabling optimizations])
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asm_optimization="(missing perl dependency for ARM)"
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])
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])
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;;
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esac
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],[
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inline_optimization="disabled"
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asm_optimization="disabled"
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])
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AM_CONDITIONAL([OPUS_ARM_INLINE_ASM],
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[test x"${inline_optimization%% *}" = x"ARM"])
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AM_CONDITIONAL([OPUS_ARM_EXTERNAL_ASM],
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[test x"${asm_optimization%% *}" = x"ARM"])
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AM_CONDITIONAL([HAVE_SSE], [false])
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AM_CONDITIONAL([HAVE_SSE2], [false])
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AM_CONDITIONAL([HAVE_SSE4_1], [false])
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AM_CONDITIONAL([HAVE_AVX], [false])
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m4_define([DEFAULT_X86_SSE_CFLAGS], [-msse])
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m4_define([DEFAULT_X86_SSE2_CFLAGS], [-msse2])
|
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m4_define([DEFAULT_X86_SSE4_1_CFLAGS], [-msse4.1])
|
|
m4_define([DEFAULT_X86_AVX_CFLAGS], [-mavx])
|
|
m4_define([DEFAULT_ARM_NEON_INTR_CFLAGS], [-mfpu=neon])
|
|
# With GCC on ARM32 softfp architectures (e.g. Android, or older Ubuntu) you need to specify
|
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# -mfloat-abi=softfp for -mfpu=neon to work. However, on ARM32 hardfp architectures (e.g. newer Ubuntu),
|
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# this option will break things.
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|
|
# As a heuristic, if host matches arm*eabi* but not arm*hf*, it's probably soft-float.
|
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m4_define([DEFAULT_ARM_NEON_SOFTFP_INTR_CFLAGS], [-mfpu=neon -mfloat-abi=softfp])
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|
|
AS_CASE([$host],
|
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[arm*hf*], [AS_VAR_SET([RESOLVED_DEFAULT_ARM_NEON_INTR_CFLAGS], "DEFAULT_ARM_NEON_INTR_CFLAGS")],
|
|
[arm*eabi*], [AS_VAR_SET([RESOLVED_DEFAULT_ARM_NEON_INTR_CFLAGS], "DEFAULT_ARM_NEON_SOFTFP_INTR_CFLAGS")],
|
|
[AS_VAR_SET([RESOLVED_DEFAULT_ARM_NEON_INTR_CFLAGS], "DEFAULT_ARM_NEON_INTR_CFLAGS")])
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|
|
AC_ARG_VAR([X86_SSE_CFLAGS], [C compiler flags to compile SSE intrinsics @<:@default=]DEFAULT_X86_SSE_CFLAGS[@:>@])
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|
AC_ARG_VAR([X86_SSE2_CFLAGS], [C compiler flags to compile SSE2 intrinsics @<:@default=]DEFAULT_X86_SSE2_CFLAGS[@:>@])
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|
AC_ARG_VAR([X86_SSE4_1_CFLAGS], [C compiler flags to compile SSE4.1 intrinsics @<:@default=]DEFAULT_X86_SSE4_1_CFLAGS[@:>@])
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AC_ARG_VAR([X86_AVX_CFLAGS], [C compiler flags to compile AVX intrinsics @<:@default=]DEFAULT_X86_AVX_CFLAGS[@:>@])
|
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AC_ARG_VAR([ARM_NEON_INTR_CFLAGS], [C compiler flags to compile ARM NEON intrinsics @<:@default=]DEFAULT_ARM_NEON_INTR_CFLAGS / DEFAULT_ARM_NEON_SOFTFP_INTR_CFLAGS[@:>@])
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|
|
AS_VAR_SET_IF([X86_SSE_CFLAGS], [], [AS_VAR_SET([X86_SSE_CFLAGS], "DEFAULT_X86_SSE_CFLAGS")])
|
|
AS_VAR_SET_IF([X86_SSE2_CFLAGS], [], [AS_VAR_SET([X86_SSE2_CFLAGS], "DEFAULT_X86_SSE2_CFLAGS")])
|
|
AS_VAR_SET_IF([X86_SSE4_1_CFLAGS], [], [AS_VAR_SET([X86_SSE4_1_CFLAGS], "DEFAULT_X86_SSE4_1_CFLAGS")])
|
|
AS_VAR_SET_IF([X86_AVX_CFLAGS], [], [AS_VAR_SET([X86_AVX_CFLAGS], "DEFAULT_X86_AVX_CFLAGS")])
|
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AS_VAR_SET_IF([ARM_NEON_INTR_CFLAGS], [], [AS_VAR_SET([ARM_NEON_INTR_CFLAGS], ["$RESOLVED_DEFAULT_ARM_NEON_INTR_CFLAGS"])])
|
|
|
|
AC_DEFUN([OPUS_PATH_NE10],
|
|
[
|
|
AC_ARG_WITH(NE10,
|
|
AC_HELP_STRING([--with-NE10=PFX],[Prefix where libNE10 is installed (optional)]),
|
|
NE10_prefix="$withval", NE10_prefix="")
|
|
AC_ARG_WITH(NE10-libraries,
|
|
AC_HELP_STRING([--with-NE10-libraries=DIR],
|
|
[Directory where libNE10 library is installed (optional)]),
|
|
NE10_libraries="$withval", NE10_libraries="")
|
|
AC_ARG_WITH(NE10-includes,
|
|
AC_HELP_STRING([--with-NE10-includes=DIR],
|
|
[Directory where libNE10 header files are installed (optional)]),
|
|
NE10_includes="$withval", NE10_includes="")
|
|
|
|
if test "x$NE10_libraries" != "x" ; then
|
|
NE10_LIBS="-L$NE10_libraries"
|
|
elif test "x$NE10_prefix" = "xno" || test "x$NE10_prefix" = "xyes" ; then
|
|
NE10_LIBS=""
|
|
elif test "x$NE10_prefix" != "x" ; then
|
|
NE10_LIBS="-L$NE10_prefix/lib"
|
|
elif test "x$prefix" != "xNONE" ; then
|
|
NE10_LIBS="-L$prefix/lib"
|
|
fi
|
|
|
|
if test "x$NE10_prefix" != "xno" ; then
|
|
NE10_LIBS="$NE10_LIBS -lNE10"
|
|
fi
|
|
|
|
if test "x$NE10_includes" != "x" ; then
|
|
NE10_CFLAGS="-I$NE10_includes"
|
|
elif test "x$NE10_prefix" = "xno" || test "x$NE10_prefix" = "xyes" ; then
|
|
NE10_CFLAGS=""
|
|
elif test "x$NE10_prefix" != "x" ; then
|
|
NE10_CFLAGS="-I$NE10_prefix/include"
|
|
elif test "x$prefix" != "xNONE"; then
|
|
NE10_CFLAGS="-I$prefix/include"
|
|
fi
|
|
|
|
AC_MSG_CHECKING(for NE10)
|
|
save_CFLAGS="$CFLAGS"; CFLAGS="$CFLAGS $NE10_CFLAGS"
|
|
save_LIBS="$LIBS"; LIBS="$LIBS $NE10_LIBS $LIBM"
|
|
AC_LINK_IFELSE(
|
|
[
|
|
AC_LANG_PROGRAM(
|
|
[[#include <NE10_dsp.h>
|
|
]],
|
|
[[
|
|
ne10_fft_cfg_float32_t cfg;
|
|
cfg = ne10_fft_alloc_c2c_float32_neon(480);
|
|
]]
|
|
)
|
|
],[
|
|
HAVE_ARM_NE10=1
|
|
AC_MSG_RESULT([yes])
|
|
],[
|
|
HAVE_ARM_NE10=0
|
|
AC_MSG_RESULT([no])
|
|
NE10_CFLAGS=""
|
|
NE10_LIBS=""
|
|
]
|
|
)
|
|
CFLAGS="$save_CFLAGS"; LIBS="$save_LIBS"
|
|
#Now we know if libNE10 is installed or not
|
|
AS_IF([test x"$HAVE_ARM_NE10" = x"1"],
|
|
[
|
|
AC_DEFINE([HAVE_ARM_NE10], 1, [NE10 library is installed on host. Make sure it is on target!])
|
|
AC_SUBST(HAVE_ARM_NE10)
|
|
AC_SUBST(NE10_CFLAGS)
|
|
AC_SUBST(NE10_LIBS)
|
|
]
|
|
)
|
|
]
|
|
)
|
|
|
|
AS_IF([test x"$enable_intrinsics" = x"yes"],[
|
|
intrinsics_support=""
|
|
AS_CASE([$host_cpu],
|
|
[arm*|aarch64*],
|
|
[
|
|
cpu_arm=yes
|
|
OPUS_CHECK_INTRINSICS(
|
|
[ARM Neon],
|
|
[$ARM_NEON_INTR_CFLAGS],
|
|
[OPUS_ARM_MAY_HAVE_NEON_INTR],
|
|
[OPUS_ARM_PRESUME_NEON_INTR],
|
|
[[#include <arm_neon.h>
|
|
]],
|
|
[[
|
|
static float32x4_t A0, A1, SUMM;
|
|
SUMM = vmlaq_f32(SUMM, A0, A1);
|
|
return (int)vgetq_lane_f32(SUMM, 0);
|
|
]]
|
|
)
|
|
AS_IF([test x"$OPUS_ARM_MAY_HAVE_NEON_INTR" = x"1" && test x"$OPUS_ARM_PRESUME_NEON_INTR" != x"1"],
|
|
[
|
|
OPUS_ARM_NEON_INTR_CFLAGS="$ARM_NEON_INTR_CFLAGS"
|
|
AC_SUBST([OPUS_ARM_NEON_INTR_CFLAGS])
|
|
]
|
|
)
|
|
|
|
AS_IF([test x"$OPUS_ARM_MAY_HAVE_NEON_INTR" = x"1"],
|
|
[
|
|
AC_DEFINE([OPUS_ARM_MAY_HAVE_NEON_INTR], 1, [Compiler supports ARMv7/Aarch64 Neon Intrinsics])
|
|
intrinsics_support="$intrinsics_support (NEON)"
|
|
|
|
AS_IF([test x"$enable_rtcd" != x"no" && test x"$OPUS_ARM_PRESUME_NEON_INTR" != x"1"],
|
|
[AS_IF([test x"$rtcd_support" = x"no"],
|
|
[rtcd_support="ARM (NEON Intrinsics)"],
|
|
[rtcd_support="$rtcd_support (NEON Intrinsics)"])])
|
|
|
|
AS_IF([test x"$OPUS_ARM_PRESUME_NEON_INTR" = x"1"],
|
|
[AC_DEFINE([OPUS_ARM_PRESUME_NEON_INTR], 1, [Define if binary requires NEON intrinsics support])])
|
|
|
|
OPUS_PATH_NE10()
|
|
AS_IF([test x"$NE10_LIBS" != x""],
|
|
[
|
|
intrinsics_support="$intrinsics_support (NE10)"
|
|
AS_IF([test x"enable_rtcd" != x"" \
|
|
&& test x"$OPUS_ARM_PRESUME_NEON_INTR" != x"1"],
|
|
[rtcd_support="$rtcd_support (NE10)"])
|
|
])
|
|
|
|
OPUS_CHECK_INTRINSICS(
|
|
[Aarch64 Neon],
|
|
[$ARM_NEON_INTR_CFLAGS],
|
|
[OPUS_ARM_MAY_HAVE_AARCH64_NEON_INTR],
|
|
[OPUS_ARM_PRESUME_AARCH64_NEON_INTR],
|
|
[[#include <arm_neon.h>
|
|
]],
|
|
[[
|
|
static int32_t IN;
|
|
static int16_t OUT;
|
|
OUT = vqmovns_s32(IN);
|
|
]]
|
|
)
|
|
|
|
AS_IF([test x"$OPUS_ARM_PRESUME_AARCH64_NEON_INTR" = x"1"],
|
|
[
|
|
AC_DEFINE([OPUS_ARM_PRESUME_AARCH64_NEON_INTR], 1, [Define if binary requires Aarch64 Neon Intrinsics])
|
|
intrinsics_support="$intrinsics_support (NEON [Aarch64])"
|
|
])
|
|
|
|
AS_IF([test x"$intrinsics_support" = x""],
|
|
[intrinsics_support=no],
|
|
[intrinsics_support="ARM$intrinsics_support"])
|
|
],
|
|
[
|
|
AC_MSG_WARN([Compiler does not support ARM intrinsics])
|
|
intrinsics_support=no
|
|
])
|
|
],
|
|
[i?86|x86_64],
|
|
[
|
|
OPUS_CHECK_INTRINSICS(
|
|
[SSE],
|
|
[$X86_SSE_CFLAGS],
|
|
[OPUS_X86_MAY_HAVE_SSE],
|
|
[OPUS_X86_PRESUME_SSE],
|
|
[[#include <xmmintrin.h>
|
|
#include <time.h>
|
|
]],
|
|
[[
|
|
__m128 mtest;
|
|
mtest = _mm_set1_ps((float)time(NULL));
|
|
mtest = _mm_mul_ps(mtest, mtest);
|
|
return _mm_cvtss_si32(mtest);
|
|
]]
|
|
)
|
|
AS_IF([test x"$OPUS_X86_MAY_HAVE_SSE" = x"1" && test x"$OPUS_X86_PRESUME_SSE" != x"1"],
|
|
[
|
|
OPUS_X86_SSE_CFLAGS="$X86_SSE_CFLAGS"
|
|
AC_SUBST([OPUS_X86_SSE_CFLAGS])
|
|
]
|
|
)
|
|
OPUS_CHECK_INTRINSICS(
|
|
[SSE2],
|
|
[$X86_SSE2_CFLAGS],
|
|
[OPUS_X86_MAY_HAVE_SSE2],
|
|
[OPUS_X86_PRESUME_SSE2],
|
|
[[#include <emmintrin.h>
|
|
#include <time.h>
|
|
]],
|
|
[[
|
|
__m128i mtest;
|
|
mtest = _mm_set1_epi32((int)time(NULL));
|
|
mtest = _mm_mul_epu32(mtest, mtest);
|
|
return _mm_cvtsi128_si32(mtest);
|
|
]]
|
|
)
|
|
AS_IF([test x"$OPUS_X86_MAY_HAVE_SSE2" = x"1" && test x"$OPUS_X86_PRESUME_SSE2" != x"1"],
|
|
[
|
|
OPUS_X86_SSE2_CFLAGS="$X86_SSE2_CFLAGS"
|
|
AC_SUBST([OPUS_X86_SSE2_CFLAGS])
|
|
]
|
|
)
|
|
OPUS_CHECK_INTRINSICS(
|
|
[SSE4.1],
|
|
[$X86_SSE4_1_CFLAGS],
|
|
[OPUS_X86_MAY_HAVE_SSE4_1],
|
|
[OPUS_X86_PRESUME_SSE4_1],
|
|
[[#include <smmintrin.h>
|
|
#include <time.h>
|
|
]],
|
|
[[
|
|
__m128i mtest;
|
|
mtest = _mm_set1_epi32((int)time(NULL));
|
|
mtest = _mm_mul_epi32(mtest, mtest);
|
|
return _mm_cvtsi128_si32(mtest);
|
|
]]
|
|
)
|
|
AS_IF([test x"$OPUS_X86_MAY_HAVE_SSE4_1" = x"1" && test x"$OPUS_X86_PRESUME_SSE4_1" != x"1"],
|
|
[
|
|
OPUS_X86_SSE4_1_CFLAGS="$X86_SSE4_1_CFLAGS"
|
|
AC_SUBST([OPUS_X86_SSE4_1_CFLAGS])
|
|
]
|
|
)
|
|
OPUS_CHECK_INTRINSICS(
|
|
[AVX],
|
|
[$X86_AVX_CFLAGS],
|
|
[OPUS_X86_MAY_HAVE_AVX],
|
|
[OPUS_X86_PRESUME_AVX],
|
|
[[#include <immintrin.h>
|
|
#include <time.h>
|
|
]],
|
|
[[
|
|
__m256 mtest;
|
|
mtest = _mm256_set1_ps((float)time(NULL));
|
|
mtest = _mm256_addsub_ps(mtest, mtest);
|
|
return _mm_cvtss_si32(_mm256_extractf128_ps(mtest, 0));
|
|
]]
|
|
)
|
|
AS_IF([test x"$OPUS_X86_MAY_HAVE_AVX" = x"1" && test x"$OPUS_X86_PRESUME_AVX" != x"1"],
|
|
[
|
|
OPUS_X86_AVX_CFLAGS="$X86_AVX_CFLAGS"
|
|
AC_SUBST([OPUS_X86_AVX_CFLAGS])
|
|
]
|
|
)
|
|
AS_IF([test x"$rtcd_support" = x"no"], [rtcd_support=""])
|
|
AS_IF([test x"$OPUS_X86_MAY_HAVE_SSE" = x"1"],
|
|
[
|
|
AC_DEFINE([OPUS_X86_MAY_HAVE_SSE], 1, [Compiler supports X86 SSE Intrinsics])
|
|
intrinsics_support="$intrinsics_support SSE"
|
|
|
|
AS_IF([test x"$OPUS_X86_PRESUME_SSE" = x"1"],
|
|
[AC_DEFINE([OPUS_X86_PRESUME_SSE], 1, [Define if binary requires SSE intrinsics support])],
|
|
[rtcd_support="$rtcd_support SSE"])
|
|
],
|
|
[
|
|
AC_MSG_WARN([Compiler does not support SSE intrinsics])
|
|
])
|
|
|
|
AS_IF([test x"$OPUS_X86_MAY_HAVE_SSE2" = x"1"],
|
|
[
|
|
AC_DEFINE([OPUS_X86_MAY_HAVE_SSE2], 1, [Compiler supports X86 SSE2 Intrinsics])
|
|
intrinsics_support="$intrinsics_support SSE2"
|
|
|
|
AS_IF([test x"$OPUS_X86_PRESUME_SSE2" = x"1"],
|
|
[AC_DEFINE([OPUS_X86_PRESUME_SSE2], 1, [Define if binary requires SSE2 intrinsics support])],
|
|
[rtcd_support="$rtcd_support SSE2"])
|
|
],
|
|
[
|
|
AC_MSG_WARN([Compiler does not support SSE2 intrinsics])
|
|
])
|
|
|
|
AS_IF([test x"$OPUS_X86_MAY_HAVE_SSE4_1" = x"1"],
|
|
[
|
|
AC_DEFINE([OPUS_X86_MAY_HAVE_SSE4_1], 1, [Compiler supports X86 SSE4.1 Intrinsics])
|
|
intrinsics_support="$intrinsics_support SSE4.1"
|
|
|
|
AS_IF([test x"$OPUS_X86_PRESUME_SSE4_1" = x"1"],
|
|
[AC_DEFINE([OPUS_X86_PRESUME_SSE4_1], 1, [Define if binary requires SSE4.1 intrinsics support])],
|
|
[rtcd_support="$rtcd_support SSE4.1"])
|
|
],
|
|
[
|
|
AC_MSG_WARN([Compiler does not support SSE4.1 intrinsics])
|
|
])
|
|
AS_IF([test x"$OPUS_X86_MAY_HAVE_AVX" = x"1"],
|
|
[
|
|
AC_DEFINE([OPUS_X86_MAY_HAVE_AVX], 1, [Compiler supports X86 AVX Intrinsics])
|
|
intrinsics_support="$intrinsics_support AVX"
|
|
|
|
AS_IF([test x"$OPUS_X86_PRESUME_AVX" = x"1"],
|
|
[AC_DEFINE([OPUS_X86_PRESUME_AVX], 1, [Define if binary requires AVX intrinsics support])],
|
|
[rtcd_support="$rtcd_support AVX"])
|
|
],
|
|
[
|
|
AC_MSG_WARN([Compiler does not support AVX intrinsics])
|
|
])
|
|
|
|
AS_IF([test x"$intrinsics_support" = x""],
|
|
[intrinsics_support=no],
|
|
[intrinsics_support="x86$intrinsics_support"]
|
|
)
|
|
AS_IF([test x"$rtcd_support" = x""],
|
|
[rtcd_support=no],
|
|
[rtcd_support="x86$rtcd_support"],
|
|
)
|
|
|
|
AS_IF([test x"$enable_rtcd" = x"yes" && test x"$rtcd_support" != x""],[
|
|
get_cpuid_by_asm="no"
|
|
AC_MSG_CHECKING([How to get X86 CPU Info])
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
|
#include <stdio.h>
|
|
]],[[
|
|
unsigned int CPUInfo0;
|
|
unsigned int CPUInfo1;
|
|
unsigned int CPUInfo2;
|
|
unsigned int CPUInfo3;
|
|
unsigned int InfoType;
|
|
__asm__ __volatile__ (
|
|
"cpuid":
|
|
"=a" (CPUInfo0),
|
|
"=b" (CPUInfo1),
|
|
"=c" (CPUInfo2),
|
|
"=d" (CPUInfo3) :
|
|
"a" (InfoType), "c" (0)
|
|
);
|
|
]])],
|
|
[get_cpuid_by_asm="yes"
|
|
AC_MSG_RESULT([Inline Assembly])
|
|
AC_DEFINE([CPU_INFO_BY_ASM], [1], [Get CPU Info by asm method])],
|
|
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
|
#include <cpuid.h>
|
|
]],[[
|
|
unsigned int CPUInfo0;
|
|
unsigned int CPUInfo1;
|
|
unsigned int CPUInfo2;
|
|
unsigned int CPUInfo3;
|
|
unsigned int InfoType;
|
|
__get_cpuid(InfoType, &CPUInfo0, &CPUInfo1, &CPUInfo2, &CPUInfo3);
|
|
]])],
|
|
[AC_MSG_RESULT([C method])
|
|
AC_DEFINE([CPU_INFO_BY_C], [1], [Get CPU Info by c method])],
|
|
[AC_MSG_ERROR([no supported Get CPU Info method, please disable run-time CPU capabilities detection or intrinsics])])])])
|
|
],
|
|
[
|
|
AC_MSG_WARN([No intrinsics support for your architecture])
|
|
intrinsics_support="no"
|
|
])
|
|
],
|
|
[
|
|
intrinsics_support="no"
|
|
])
|
|
|
|
AM_CONDITIONAL([CPU_ARM], [test "$cpu_arm" = "yes"])
|
|
AM_CONDITIONAL([HAVE_ARM_NEON_INTR],
|
|
[test x"$OPUS_ARM_MAY_HAVE_NEON_INTR" = x"1"])
|
|
AM_CONDITIONAL([HAVE_ARM_NE10],
|
|
[test x"$HAVE_ARM_NE10" = x"1"])
|
|
AM_CONDITIONAL([HAVE_SSE],
|
|
[test x"$OPUS_X86_MAY_HAVE_SSE" = x"1"])
|
|
AM_CONDITIONAL([HAVE_SSE2],
|
|
[test x"$OPUS_X86_MAY_HAVE_SSE2" = x"1"])
|
|
AM_CONDITIONAL([HAVE_SSE4_1],
|
|
[test x"$OPUS_X86_MAY_HAVE_SSE4_1" = x"1"])
|
|
AM_CONDITIONAL([HAVE_AVX],
|
|
[test x"$OPUS_X86_MAY_HAVE_AVX" = x"1"])
|
|
|
|
AS_IF([test x"$enable_rtcd" = x"yes"],[
|
|
AS_IF([test x"$rtcd_support" != x"no"],[
|
|
AC_DEFINE([OPUS_HAVE_RTCD], [1],
|
|
[Use run-time CPU capabilities detection])
|
|
OPUS_HAVE_RTCD=1
|
|
AC_SUBST(OPUS_HAVE_RTCD)
|
|
])
|
|
],[
|
|
rtcd_support="disabled"
|
|
])
|
|
|
|
AC_ARG_ENABLE([assertions],
|
|
[AS_HELP_STRING([--enable-assertions],[enable additional software error checking])],,
|
|
[enable_assertions=no])
|
|
|
|
AS_IF([test "$enable_assertions" = "yes"], [
|
|
AC_DEFINE([ENABLE_ASSERTIONS], [1], [Assertions])
|
|
])
|
|
|
|
AC_ARG_ENABLE([hardening],
|
|
[AS_HELP_STRING([--disable-hardening],[disable run-time checks that are cheap and safe for use in production])],,
|
|
[enable_hardening=yes])
|
|
|
|
AS_IF([test "$enable_hardening" = "yes"], [
|
|
AC_DEFINE([ENABLE_HARDENING], [1], [Hardening])
|
|
])
|
|
|
|
AC_ARG_ENABLE([fuzzing],
|
|
[AS_HELP_STRING([--enable-fuzzing],[causes the encoder to make random decisions (do not use in production)])],,
|
|
[enable_fuzzing=no])
|
|
|
|
AS_IF([test "$enable_fuzzing" = "yes"], [
|
|
AC_DEFINE([FUZZING], [1], [Fuzzing])
|
|
])
|
|
|
|
AC_ARG_ENABLE([check-asm],
|
|
[AS_HELP_STRING([--enable-check-asm],
|
|
[enable bit-exactness checks between optimized and c implementations])],,
|
|
[enable_check_asm=no])
|
|
|
|
AS_IF([test "$enable_check_asm" = "yes"], [
|
|
AC_DEFINE([OPUS_CHECK_ASM], [1], [Run bit-exactness checks between optimized and c implementations])
|
|
])
|
|
|
|
AC_ARG_ENABLE([doc],
|
|
[AS_HELP_STRING([--disable-doc], [Do not build API documentation])],,
|
|
[enable_doc=yes])
|
|
|
|
AS_IF([test "$enable_doc" = "yes"], [
|
|
AC_CHECK_PROG(HAVE_DOXYGEN, [doxygen], [yes], [no])
|
|
AC_CHECK_PROG(HAVE_DOT, [dot], [yes], [no])
|
|
],[
|
|
HAVE_DOXYGEN=no
|
|
])
|
|
|
|
AM_CONDITIONAL([HAVE_DOXYGEN], [test "$HAVE_DOXYGEN" = "yes"])
|
|
|
|
AC_ARG_ENABLE([extra-programs],
|
|
[AS_HELP_STRING([--disable-extra-programs], [Do not build extra programs (demo and tests)])],,
|
|
[enable_extra_programs=yes])
|
|
|
|
AM_CONDITIONAL([EXTRA_PROGRAMS], [test "$enable_extra_programs" = "yes"])
|
|
|
|
|
|
AC_ARG_ENABLE([rfc8251],
|
|
AS_HELP_STRING([--disable-rfc8251], [Disable bitstream fixes from RFC 8251]),,
|
|
[enable_rfc8251=yes])
|
|
|
|
AS_IF([test "$enable_rfc8251" = "no"], [
|
|
AC_DEFINE([DISABLE_UPDATE_DRAFT], [1], [Disable bitstream fixes from RFC 8251])
|
|
])
|
|
|
|
|
|
saved_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS -fvisibility=hidden"
|
|
AC_MSG_CHECKING([if ${CC} supports -fvisibility=hidden])
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[char foo;]])],
|
|
[ AC_MSG_RESULT([yes]) ],
|
|
[ AC_MSG_RESULT([no])
|
|
CFLAGS="$saved_CFLAGS"
|
|
])
|
|
|
|
on_x86=no
|
|
case "$host_cpu" in
|
|
i[[3456]]86 | x86_64)
|
|
on_x86=yes
|
|
;;
|
|
esac
|
|
|
|
on_windows=no
|
|
case $host in
|
|
*cygwin*|*mingw*)
|
|
on_windows=yes
|
|
;;
|
|
esac
|
|
|
|
dnl Enable stack-protector-all only on x86 where it's well supported.
|
|
dnl on some platforms it causes crashes. Hopefully the OS's default's
|
|
dnl include this on platforms that work but have been missed here.
|
|
AC_ARG_ENABLE([stack-protector],
|
|
[AS_HELP_STRING([--disable-stack-protector],[Disable compiler stack hardening])],,
|
|
[
|
|
AS_IF([test "$ac_cv_c_compiler_gnu" = "yes" && test "$on_x86" = "yes" && test "$on_windows" = "no"],
|
|
[enable_stack_protector=yes],[enable_stack_protector=no])
|
|
])
|
|
|
|
AS_IF([test "$enable_stack_protector" = "yes"],
|
|
[
|
|
saved_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS -fstack-protector-strong"
|
|
AC_MSG_CHECKING([if ${CC} supports -fstack-protector-strong])
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([],[[char foo;]])],
|
|
[ AC_MSG_RESULT([yes]) ],
|
|
[
|
|
AC_MSG_RESULT([no])
|
|
enable_stack_protector=no
|
|
CFLAGS="$saved_CFLAGS"
|
|
])
|
|
])
|
|
|
|
AS_IF([test x$ac_cv_c_compiler_gnu = xyes],
|
|
[AX_ADD_FORTIFY_SOURCE]
|
|
)
|
|
|
|
CFLAGS="$CFLAGS -W"
|
|
|
|
warn_CFLAGS="-Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wstrict-prototypes"
|
|
saved_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS $warn_CFLAGS"
|
|
AC_MSG_CHECKING([if ${CC} supports ${warn_CFLAGS}])
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[char foo;]])],
|
|
[ AC_MSG_RESULT([yes]) ],
|
|
[ AC_MSG_RESULT([no])
|
|
CFLAGS="$saved_CFLAGS"
|
|
])
|
|
|
|
saved_LIBS="$LIBS"
|
|
LIBS="$LIBS $LIBM"
|
|
AC_CHECK_FUNCS([lrintf])
|
|
AC_CHECK_FUNCS([lrint])
|
|
LIBS="$saved_LIBS"
|
|
|
|
AC_CHECK_FUNCS([__malloc_hook])
|
|
|
|
AC_SUBST([PC_BUILD])
|
|
|
|
AC_CONFIG_FILES([
|
|
Makefile
|
|
opus.pc
|
|
opus-uninstalled.pc
|
|
celt/arm/armopts.s
|
|
doc/Makefile
|
|
doc/Doxyfile
|
|
])
|
|
AC_CONFIG_HEADERS([config.h])
|
|
|
|
AC_OUTPUT
|
|
|
|
AC_MSG_NOTICE([
|
|
------------------------------------------------------------------------
|
|
$PACKAGE_NAME $PACKAGE_VERSION: Automatic configuration OK.
|
|
|
|
Compiler support:
|
|
|
|
C99 var arrays: ................ ${has_var_arrays}
|
|
C99 lrintf: .................... ${ac_cv_func_lrintf}
|
|
Use alloca: .................... ${use_alloca}
|
|
|
|
General configuration:
|
|
|
|
Floating point support: ........ ${enable_float}
|
|
Fast float approximations: ..... ${enable_float_approx}
|
|
Fixed point debugging: ......... ${enable_fixed_point_debug}
|
|
Inline Assembly Optimizations: . ${inline_optimization}
|
|
External Assembly Optimizations: ${asm_optimization}
|
|
Intrinsics Optimizations: ...... ${intrinsics_support}
|
|
Run-time CPU detection: ........ ${rtcd_support}
|
|
Custom modes: .................. ${enable_custom_modes}
|
|
Assertion checking: ............ ${enable_assertions}
|
|
Hardening: ..................... ${enable_hardening}
|
|
Fuzzing: ....................... ${enable_fuzzing}
|
|
Check ASM: ..................... ${enable_check_asm}
|
|
|
|
API documentation: ............. ${enable_doc}
|
|
Extra programs: ................ ${enable_extra_programs}
|
|
------------------------------------------------------------------------
|
|
|
|
Type "make; make install" to compile and install
|
|
Type "make check" to run the test suite
|
|
])
|
|
|