9f71309abe
These files allow compiling and linking against the reference implementation with an invocation like `pkg-config --cflags --libs opus`. They're optional within the opus build system, but can simplify compilation for clients and are generally considered part of a normal autotools build these days. The -uninstalled version refers to local build products within the tree, which is helpful for testing and unprivileged builds. opus.pc is used once 'make install' has put the libraries and headers somewhere more permanent.
235 lines
6.5 KiB
Text
235 lines
6.5 KiB
Text
dnl Process this file with autoconf to produce a configure script. -*-m4-*-
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AC_INIT(src/opus_encoder.c)
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AM_CONFIG_HEADER([config.h])
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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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OPUS_MAJOR_VERSION=0
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OPUS_MINOR_VERSION=9
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OPUS_MICRO_VERSION=6
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OPUS_EXTRA_VERSION=
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OPUS_VERSION="$OPUS_MAJOR_VERSION.$OPUS_MINOR_VERSION.$OPUS_MICRO_VERSION$OPUS_EXTRA_VERSION"
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AC_MSG_CHECKING([git revision])
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GIT_VERSION=$(git describe --tags --match 'v*' 2>/dev/null | sed 's/^v//')
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if test -z "$GIT_VERSION"; then
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AC_MSG_RESULT([no])
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else
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AC_MSG_RESULT([$GIT_VERSION])
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OPUS_VERSION="$GIT_VERSION"
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fi
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LIBOPUS_SUFFIX=0
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OPUS_LT_CURRENT=0
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OPUS_LT_REVISION=0
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OPUS_LT_AGE=0
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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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AC_SUBST(LIBOPUS_SUFFIX)
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# For automake.
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VERSION=$OPUS_VERSION
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PACKAGE=opus
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# For our version string
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AC_SUBST(OPUS_VERSION)
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AM_INIT_AUTOMAKE($PACKAGE, $VERSION, no-define)
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AM_MAINTAINER_MODE
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AC_CANONICAL_HOST
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AM_PROG_LIBTOOL
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AM_PROG_CC_C_O
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AC_PROG_CC_C99
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AC_C_BIGENDIAN
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AC_C_CONST
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AC_C_INLINE
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AC_C_RESTRICT
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AC_DEFINE([OPUS_BUILD], [], [This is a build of OPUS])
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AC_MSG_CHECKING(for C99 variable-size arrays)
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AC_TRY_COMPILE( , [
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int foo=10;
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int array[foo];
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],
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[has_var_arrays=yes;AC_DEFINE([VAR_ARRAYS], [], [Use C99 variable-size arrays])
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],
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has_var_arrays=no
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)
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AC_MSG_RESULT($has_var_arrays)
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AC_CHECK_HEADERS([alloca.h getopt.h])
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AC_MSG_CHECKING(for alloca)
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AC_TRY_COMPILE( [#include <alloca.h>], [
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int foo=10;
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int *array = alloca(foo);
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],
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[
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has_alloca=yes;
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if test x$has_var_arrays = "xno" ; then
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AC_DEFINE([USE_ALLOCA], [], [Make use of alloca])
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fi
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],
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has_alloca=no
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)
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AC_MSG_RESULT($has_alloca)
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AC_CHECK_LIB(m, sin)
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AC_DEFINE_UNQUOTED(OPUS_VERSION, "${OPUS_VERSION}", [Complete version string])
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AC_DEFINE_UNQUOTED(OPUS_MAJOR_VERSION, ${OPUS_MAJOR_VERSION}, [Version major])
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AC_DEFINE_UNQUOTED(OPUS_MINOR_VERSION, ${OPUS_MINOR_VERSION}, [Version minor])
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AC_DEFINE_UNQUOTED(OPUS_MICRO_VERSION, ${OPUS_MICRO_VERSION}, [Version micro])
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AC_DEFINE_UNQUOTED(OPUS_EXTRA_VERSION, "${OPUS_EXTRA_VERSION}", [Version extra])
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has_float_approx=no
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#case "$host_cpu" in
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#i[[3456]]86 | x86_64 | powerpc64 | powerpc32 | ia64)
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# has_float_approx=yes
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# ;;
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#esac
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ac_enable_fixed="no";
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AC_ARG_ENABLE(fixed-point, [ --enable-fixed-point compile as fixed-point],
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[if test "$enableval" = yes; then
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ac_enable_fixed="yes";
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AC_DEFINE([FIXED_POINT], [1], [Compile as fixed-point])
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else
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AC_DEFINE([FLOATING_POINT], , [Compile as floating-point])
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fi],
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AC_DEFINE([FLOATING_POINT], , [Compile as floating-point]))
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ac_enable_fixed_debug="no"
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AC_ARG_ENABLE(fixed-point-debug, [ --enable-fixed-point-debug debug fixed-point implementation],
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[if test "$enableval" = yes; then
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ac_enable_fixed_debug="yes"
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AC_DEFINE([FIXED_DEBUG], , [Debug fixed-point implementation])
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fi])
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ac_enable_custom_modes="no"
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AC_ARG_ENABLE(custom-modes, [ --enable-custom-modes Enable non-Opus modes, like 44.1 kHz and powers of two ],
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[if test "$enableval" = yes; then
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ac_enable_custom_modes="yes"
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AC_DEFINE([CUSTOM_MODES], , [Custom modes])
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fi])
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float_approx=$has_float_approx
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AC_ARG_ENABLE(float-approx, [ --enable-float-approx enable fast approximations for floating point],
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[ if test "$enableval" = yes; then
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AC_WARN([Floating point approximations are not supported on all platforms.])
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float_approx=yes
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else
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float_approx=no
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fi], [ float_approx=$has_float_approx ])
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if test "x${float_approx}" = "xyes"; then
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AC_DEFINE([FLOAT_APPROX], , [Float approximations])
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fi
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ac_enable_assertions="no"
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AC_ARG_ENABLE(assertions, [ --enable-assertions enable additional software error checking],
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[if test "$enableval" = yes; then
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ac_enable_assertions="yes"
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AC_DEFINE([ENABLE_ASSERTIONS], , [Assertions])
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fi])
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ac_enable_fuzzing="no"
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AC_ARG_ENABLE(fuzzing, [ --enable-fuzzing causes the encoder to make random decisions],
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[if test "$enableval" = yes; then
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ac_enable_fuzzing="yes"
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AC_DEFINE([FUZZING], , [Fuzzing])
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fi])
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if test "$OPUS_BUILD" != "true" ; then
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saved_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -fvisibility=hidden"
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AC_MSG_CHECKING([if ${CXX} supports -fvisibility=hidden])
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AC_COMPILE_IFELSE([char foo;],
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[ AC_MSG_RESULT([yes])
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SYMBOL_VISIBILITY="-fvisibility=hidden" ],
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AC_MSG_RESULT([no]))
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CFLAGS="$saved_CFLAGS $SYMBOL_VISIBILITY"
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AC_SUBST(SYMBOL_VISIBILITY)
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fi
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if test $ac_cv_c_compiler_gnu = yes ; then
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CFLAGS="$CFLAGS -W -Wstrict-prototypes -Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wno-parentheses -Wno-unused-parameter -Wno-sign-compare"
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fi
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AC_CHECK_FUNCS([lrintf])
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AC_CHECK_FUNCS([lrint])
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AC_CHECK_SIZEOF(short)
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AC_CHECK_SIZEOF(int)
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AC_CHECK_SIZEOF(long)
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AC_CHECK_SIZEOF(long long)
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if test x$has_char16 = "xyes" ; then
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case 1 in
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$ac_cv_sizeof_short) SIZE16="short";;
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$ac_cv_sizeof_int) SIZE16="int";;
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esac
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else
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case 2 in
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$ac_cv_sizeof_short) SIZE16="short";;
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$ac_cv_sizeof_int) SIZE16="int";;
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esac
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fi
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if test x$has_char16 = "xyes" ; then
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case 2 in
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$ac_cv_sizeof_int) SIZE32="int";;
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$ac_cv_sizeof_long) SIZE32="long";;
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$ac_cv_sizeof_short) SIZE32="short";;
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esac
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else
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case 4 in
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$ac_cv_sizeof_int) SIZE32="int";;
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$ac_cv_sizeof_long) SIZE32="long";;
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$ac_cv_sizeof_short) SIZE32="short";;
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esac
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fi
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AC_SUBST(SIZE16)
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AC_SUBST(SIZE32)
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if test "$OPUS_BUILD" = "true" ; then
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AC_DEFINE(OPUS_BUILD, [], [We're part of Opus])
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fi
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AM_CONDITIONAL([FIXED_POINT], [test x$ac_enable_fixed = xyes])
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AC_OUTPUT([Makefile libcelt/Makefile
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opus.pc opus-uninstalled.pc])
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AC_MSG_RESULT([
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------------------------------------------------------------------------
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$PACKAGE $VERSION: Automatic configuration OK.
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Compiler support:
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C99 var arrays: ................ ${has_var_arrays}
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C99 lrintf: .................... ${ac_cv_func_lrintf}
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Alloca: ........................ ${has_alloca}
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General configuration:
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Fast float approximations: ..... ${float_approx}
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Fixed point support: ........... ${ac_enable_fixed}
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Fixed point debugging: ......... ${ac_enable_fixed_debug}
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Custom modes: .................. ${ac_enable_custom_modes}
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Assertion checking: ............ ${ac_enable_assertions}
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Fuzzing: .. .......... ${ac_enable_fuzzing}
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------------------------------------------------------------------------
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])
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echo "Type \"make; make install\" to compile and install";
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echo "Type \"make check\" to run the test suite";
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