configure.ac - platform/external/libopus - Gitiles

 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=9
 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])

 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_C99_FUNC_LRINTF
 AC_C99_FUNC_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_c99_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";
	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=9
	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])

	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_C99_FUNC_LRINTF
	AC_C99_FUNC_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_c99_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";