ref: 2d333b4de61bc89e9936db12b321f73ed81e625b
dir: /configure.ac/
dnl Process this file with autoconf to produce a configure script. -*-m4-*-
AC_INIT(libcelt/arch.h)
AM_CONFIG_HEADER([config.h])
CELT_MAJOR_VERSION=0
CELT_MINOR_VERSION=10
CELT_MICRO_VERSION=0
CELT_EXTRA_VERSION=
CELT_VERSION=$CELT_MAJOR_VERSION.$CELT_MINOR_VERSION.$CELT_MICRO_VERSION$CELT_EXTRA_VERSION
LIBCELT_SUFFIX=0
CELT_LT_CURRENT=1
CELT_LT_REVISION=0
CELT_LT_AGE=0
AC_SUBST(CELT_LT_CURRENT)
AC_SUBST(CELT_LT_REVISION)
AC_SUBST(CELT_LT_AGE)
AC_SUBST(LIBCELT_SUFFIX)
# For automake.
VERSION=$CELT_VERSION
PACKAGE=celt
AC_SUBST(CELT_VERSION)
AM_INIT_AUTOMAKE($PACKAGE, $VERSION, no-define)
AM_MAINTAINER_MODE
AC_CANONICAL_HOST
AM_PROG_LIBTOOL
AC_PROG_CC_C99
AC_C_BIGENDIAN
AC_C_CONST
AC_C_INLINE
AC_C_RESTRICT
AC_DEFINE([CELT_BUILD], [], [This is a build of CELT])
AC_MSG_CHECKING(for C99 variable-size arrays)
AC_TRY_COMPILE( , [
int foo=10;
int array[foo];
],
[has_var_arrays=yes;AC_DEFINE([VAR_ARRAYS], [], [Use C99 variable-size arrays])
],
has_var_arrays=no
)
AC_MSG_RESULT($has_var_arrays)
AC_CHECK_HEADERS([alloca.h getopt.h])
AC_MSG_CHECKING(for alloca)
AC_TRY_COMPILE( [#include <alloca.h>], [
int foo=10;
int *array = alloca(foo);
],
[
has_alloca=yes;
if test x$has_var_arrays = "xno" ; then
AC_DEFINE([USE_ALLOCA], [], [Make use of alloca])
fi
],
has_alloca=no
)
AC_MSG_RESULT($has_alloca)
AC_CHECK_HEADERS(sys/soundcard.h sys/audioio.h)
AS_IF([test "x$with_ogg" != xno],
[XIPH_PATH_OGG([tools="tools"], [tools=""])],
[tools=""])
AC_SUBST(tools)
AC_CHECK_LIB(m, sin)
# Check for getopt_long; if not found, use included source.
AC_CHECK_FUNCS([getopt_long],,
[# FreeBSD has a gnugetopt library.
AC_CHECK_LIB([gnugetopt],[getopt_long],
[AC_DEFINE([HAVE_GETOPT_LONG])],
[# Use the GNU replacement.
AC_LIBOBJ(getopt)
AC_LIBOBJ(getopt1)])])
AC_CHECK_LIB(winmm, main)
AC_DEFINE_UNQUOTED(CELT_VERSION, "${CELT_VERSION}", [Complete version string])
AC_DEFINE_UNQUOTED(CELT_MAJOR_VERSION, ${CELT_MAJOR_VERSION}, [Version major])
AC_DEFINE_UNQUOTED(CELT_MINOR_VERSION, ${CELT_MINOR_VERSION}, [Version minor])
AC_DEFINE_UNQUOTED(CELT_MICRO_VERSION, ${CELT_MICRO_VERSION}, [Version micro])
AC_DEFINE_UNQUOTED(CELT_EXTRA_VERSION, "${CELT_EXTRA_VERSION}", [Version extra])
has_float_approx=no
#case "$host_cpu" in
#i[[3456]]86 | x86_64 | powerpc64 | powerpc32 | ia64)
# has_float_approx=yes
# ;;
#esac
ac_enable_fixed="no";
AC_ARG_ENABLE(fixed-point, [ --enable-fixed-point compile as fixed-point],
[if test "$enableval" = yes; then
ac_enable_fixed="yes";
AC_DEFINE([FIXED_POINT], , [Compile as fixed-point])
else
AC_DEFINE([FLOATING_POINT], , [Compile as floating-point])
fi],
AC_DEFINE([FLOATING_POINT], , [Compile as floating-point]))
ac_enable_fixed_debug="no"
AC_ARG_ENABLE(fixed-point-debug, [ --enable-fixed-point-debug debug fixed-point implementation],
[if test "$enableval" = yes; then
ac_enable_fixed_debug="yes"
AC_DEFINE([FIXED_DEBUG], , [Debug fixed-point implementation])
fi])
ac_enable_experimental_postfilter="no"
AC_ARG_ENABLE(experimental-postfilter, [ --enable-experimental-postfilter Enable this for testing only if you know what you're doing ],
[if test "$enableval" = yes; then
ac_enable_experimental_postfilter="yes"
AC_DEFINE([ENABLE_POSTFILTER], , [Postfilter])
fi])
float_approx=$has_float_approx
AC_ARG_ENABLE(float-approx, [ --enable-float-approx enable fast approximations for floating point],
[ if test "$enableval" = yes; then
AC_WARN([Floating point approximations are not supported on all platforms.])
float_approx=yes
else
float_approx=no
fi], [ float_approx=$has_float_approx ])
if test "x${float_approx}" = "xyes"; then
AC_DEFINE([FLOAT_APPROX], , [Float approximations])
fi
ac_enable_static_modes="no"
AC_ARG_ENABLE(static-modes, [ --enable-static-modes use pre-computed codec configurations],
[if test "$enableval" = yes; then
ac_enable_static_modes="yes"
AC_DEFINE([STATIC_MODES], , [Static modes])
fi])
ac_enable_assertions="no"
AC_ARG_ENABLE(assertions, [ --enable-assertions enable additional software error checking],
[if test "$enableval" = yes; then
ac_enable_assertions="yes"
AC_DEFINE([ENABLE_ASSERTIONS], , [Assertions])
fi])
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -fvisibility=hidden"
AC_MSG_CHECKING([if ${CXX} supports -fvisibility=hidden])
AC_COMPILE_IFELSE([char foo;],
[ AC_MSG_RESULT([yes])
SYMBOL_VISIBILITY="-fvisibility=hidden" ],
AC_MSG_RESULT([no]))
CFLAGS="$saved_CFLAGS $SYMBOL_VISIBILITY"
AC_SUBST(SYMBOL_VISIBILITY)
if test $ac_cv_c_compiler_gnu = yes ; then
CFLAGS="$CFLAGS -W -Wstrict-prototypes -Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wno-parentheses -Wno-unused-parameter -Wno-sign-compare"
fi
AC_CHECK_FUNCS([lrintf])
AC_CHECK_FUNCS([lrint])
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(long long)
if test x$has_char16 = "xyes" ; then
case 1 in
$ac_cv_sizeof_short) SIZE16="short";;
$ac_cv_sizeof_int) SIZE16="int";;
esac
else
case 2 in
$ac_cv_sizeof_short) SIZE16="short";;
$ac_cv_sizeof_int) SIZE16="int";;
esac
fi
if test x$has_char16 = "xyes" ; then
case 2 in
$ac_cv_sizeof_int) SIZE32="int";;
$ac_cv_sizeof_long) SIZE32="long";;
$ac_cv_sizeof_short) SIZE32="short";;
esac
else
case 4 in
$ac_cv_sizeof_int) SIZE32="int";;
$ac_cv_sizeof_long) SIZE32="long";;
$ac_cv_sizeof_short) SIZE32="short";;
esac
fi
AC_SUBST(SIZE16)
AC_SUBST(SIZE32)
AC_OUTPUT([Makefile libcelt/Makefile tests/Makefile
celt.pc tools/Makefile libcelt.spec ])
AC_MSG_RESULT([
------------------------------------------------------------------------
$PACKAGE $VERSION: Automatic configuration OK.
Compiler support:
C99 var arrays: ................ ${has_var_arrays}
C99 lrintf: .................... ${ac_cv_func_lrintf}
Alloca: ........................ ${has_alloca}
General configuration:
Fast float approximations: ..... ${float_approx}
Fixed point support: ........... ${ac_enable_fixed}
Fixed point debugging: ......... ${ac_enable_fixed_debug}
Static modes: .................. ${ac_enable_static_modes}
Assertion checking: ............ ${ac_enable_assertions}
------------------------------------------------------------------------
])
if test "x$tools" = "x"; then
echo "**IMPORTANT**"
echo "You don't seem to have the development package for libogg (libogg-devel) available. Only the library will be built (no encoder/decoder executable)"
echo "You can download libogg from http://www.vorbis.com/download.psp"
fi
echo "Type \"make; make install\" to compile and install";
echo "Type \"make check\" to run the test suite";