1dnl Process this file with autoconf to produce a configure script. -*-m4-*- 2 3AC_INIT(libcelt/arch.h) 4 5AM_CONFIG_HEADER([config.h]) 6 7CELT_MAJOR_VERSION=0 8CELT_MINOR_VERSION=11 9CELT_MICRO_VERSION=4 10CELT_EXTRA_VERSION= 11CELT_VERSION=$CELT_MAJOR_VERSION.$CELT_MINOR_VERSION.$CELT_MICRO_VERSION$CELT_EXTRA_VERSION 12LIBCELT_SUFFIX=0 13 14CELT_LT_CURRENT=2 15CELT_LT_REVISION=0 16CELT_LT_AGE=0 17 18AC_SUBST(CELT_LT_CURRENT) 19AC_SUBST(CELT_LT_REVISION) 20AC_SUBST(CELT_LT_AGE) 21AC_SUBST(LIBCELT_SUFFIX) 22 23# For automake. 24VERSION=$CELT_VERSION 25PACKAGE=celt 26 27AC_SUBST(CELT_VERSION) 28 29AM_INIT_AUTOMAKE($PACKAGE, $VERSION, no-define) 30AM_MAINTAINER_MODE 31 32AC_CANONICAL_HOST 33AM_PROG_LIBTOOL 34 35AC_PROG_CC_C99 36AC_C_BIGENDIAN 37AC_C_CONST 38AC_C_INLINE 39AC_C_RESTRICT 40 41AC_DEFINE([CELT_BUILD], [], [This is a build of CELT]) 42 43AC_MSG_CHECKING(for C99 variable-size arrays) 44AC_TRY_COMPILE( , [ 45int foo=10; 46int array[foo]; 47], 48[has_var_arrays=yes;AC_DEFINE([VAR_ARRAYS], [], [Use C99 variable-size arrays]) 49], 50has_var_arrays=no 51) 52AC_MSG_RESULT($has_var_arrays) 53 54AC_CHECK_HEADERS([alloca.h getopt.h]) 55AC_MSG_CHECKING(for alloca) 56AC_TRY_COMPILE( [#include <alloca.h>], [ 57int foo=10; 58int *array = alloca(foo); 59], 60[ 61has_alloca=yes; 62if test x$has_var_arrays = "xno" ; then 63AC_DEFINE([USE_ALLOCA], [], [Make use of alloca]) 64fi 65], 66has_alloca=no 67) 68AC_MSG_RESULT($has_alloca) 69 70AC_CHECK_HEADERS(sys/soundcard.h sys/audioio.h) 71 72AS_IF([test "x$with_ogg" != xno], 73 [XIPH_PATH_OGG([tools="tools"], [tools=""])], 74 [tools=""]) 75AC_SUBST(tools) 76 77AC_CHECK_LIB(m, sin) 78 79# Check for getopt_long; if not found, use included source. 80AC_CHECK_FUNCS([getopt_long],, 81[# FreeBSD has a gnugetopt library. 82 AC_CHECK_LIB([gnugetopt],[getopt_long], 83[AC_DEFINE([HAVE_GETOPT_LONG])], 84[# Use the GNU replacement. 85AC_LIBOBJ(getopt) 86AC_LIBOBJ(getopt1)])]) 87 88AC_CHECK_LIB(winmm, main) 89 90AC_DEFINE_UNQUOTED(CELT_VERSION, "${CELT_VERSION}", [Complete version string]) 91AC_DEFINE_UNQUOTED(CELT_MAJOR_VERSION, ${CELT_MAJOR_VERSION}, [Version major]) 92AC_DEFINE_UNQUOTED(CELT_MINOR_VERSION, ${CELT_MINOR_VERSION}, [Version minor]) 93AC_DEFINE_UNQUOTED(CELT_MICRO_VERSION, ${CELT_MICRO_VERSION}, [Version micro]) 94AC_DEFINE_UNQUOTED(CELT_EXTRA_VERSION, "${CELT_EXTRA_VERSION}", [Version extra]) 95 96has_float_approx=no 97#case "$host_cpu" in 98#i[[3456]]86 | x86_64 | powerpc64 | powerpc32 | ia64) 99# has_float_approx=yes 100# ;; 101#esac 102 103ac_enable_fixed="no"; 104AC_ARG_ENABLE(fixed-point, [ --enable-fixed-point compile as fixed-point], 105[if test "$enableval" = yes; then 106 ac_enable_fixed="yes"; 107 AC_DEFINE([FIXED_POINT], , [Compile as fixed-point]) 108else 109 AC_DEFINE([FLOATING_POINT], , [Compile as floating-point]) 110fi], 111AC_DEFINE([FLOATING_POINT], , [Compile as floating-point])) 112 113ac_enable_fixed_debug="no" 114AC_ARG_ENABLE(fixed-point-debug, [ --enable-fixed-point-debug debug fixed-point implementation], 115[if test "$enableval" = yes; then 116 ac_enable_fixed_debug="yes" 117 AC_DEFINE([FIXED_DEBUG], , [Debug fixed-point implementation]) 118fi]) 119 120ac_enable_experimental_postfilter="no" 121AC_ARG_ENABLE(experimental-postfilter, [ --enable-experimental-postfilter Enable this for testing only if you know what you're doing ], 122[if test "$enableval" = yes; then 123 ac_enable_experimental_postfilter="yes" 124 AC_DEFINE([ENABLE_POSTFILTER], , [Postfilter]) 125fi]) 126 127ac_enable_custom_modes="no" 128AC_ARG_ENABLE(custom-modes, [ --enable-custom-modes Enable non-Opus modes, like 44.1 kHz and powers of two ], 129[if test "$enableval" = yes; then 130 ac_enable_custom_modes="yes" 131 AC_DEFINE([CUSTOM_MODES], , [Custom modes]) 132fi]) 133 134float_approx=$has_float_approx 135AC_ARG_ENABLE(float-approx, [ --enable-float-approx enable fast approximations for floating point], 136 [ if test "$enableval" = yes; then 137 AC_WARN([Floating point approximations are not supported on all platforms.]) 138 float_approx=yes 139 else 140 float_approx=no 141 fi], [ float_approx=$has_float_approx ]) 142 143if test "x${float_approx}" = "xyes"; then 144 AC_DEFINE([FLOAT_APPROX], , [Float approximations]) 145fi 146 147ac_enable_assertions="no" 148AC_ARG_ENABLE(assertions, [ --enable-assertions enable additional software error checking], 149[if test "$enableval" = yes; then 150 ac_enable_assertions="yes" 151 AC_DEFINE([ENABLE_ASSERTIONS], , [Assertions]) 152fi]) 153 154if test "$OPUS_BUILD" != "true" ; then 155saved_CFLAGS="$CFLAGS" 156CFLAGS="$CFLAGS -fvisibility=hidden" 157AC_MSG_CHECKING([if ${CXX} supports -fvisibility=hidden]) 158AC_COMPILE_IFELSE([char foo;], 159 [ AC_MSG_RESULT([yes]) 160 SYMBOL_VISIBILITY="-fvisibility=hidden" ], 161 AC_MSG_RESULT([no])) 162CFLAGS="$saved_CFLAGS $SYMBOL_VISIBILITY" 163AC_SUBST(SYMBOL_VISIBILITY) 164fi 165 166if test $ac_cv_c_compiler_gnu = yes ; then 167 CFLAGS="$CFLAGS -W -Wstrict-prototypes -Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wno-parentheses -Wno-unused-parameter -Wno-sign-compare" 168fi 169 170AC_CHECK_FUNCS([lrintf]) 171AC_CHECK_FUNCS([lrint]) 172 173AC_CHECK_SIZEOF(short) 174AC_CHECK_SIZEOF(int) 175AC_CHECK_SIZEOF(long) 176AC_CHECK_SIZEOF(long long) 177 178if test x$has_char16 = "xyes" ; then 179 case 1 in 180 $ac_cv_sizeof_short) SIZE16="short";; 181 $ac_cv_sizeof_int) SIZE16="int";; 182 esac 183else 184 case 2 in 185 $ac_cv_sizeof_short) SIZE16="short";; 186 $ac_cv_sizeof_int) SIZE16="int";; 187 esac 188fi 189 190if test x$has_char16 = "xyes" ; then 191 case 2 in 192 $ac_cv_sizeof_int) SIZE32="int";; 193 $ac_cv_sizeof_long) SIZE32="long";; 194 $ac_cv_sizeof_short) SIZE32="short";; 195 esac 196else 197 case 4 in 198 $ac_cv_sizeof_int) SIZE32="int";; 199 $ac_cv_sizeof_long) SIZE32="long";; 200 $ac_cv_sizeof_short) SIZE32="short";; 201 esac 202fi 203 204AC_SUBST(SIZE16) 205AC_SUBST(SIZE32) 206 207if test "$OPUS_BUILD" = "true" ; then 208AC_DEFINE(OPUS_BUILD, [], [We're part of Opus]) 209fi 210 211AC_OUTPUT([Makefile libcelt/Makefile tests/Makefile 212 celt.pc tools/Makefile libcelt.spec ]) 213 214AC_MSG_RESULT([ 215------------------------------------------------------------------------ 216 $PACKAGE $VERSION: Automatic configuration OK. 217 218 Compiler support: 219 220 C99 var arrays: ................ ${has_var_arrays} 221 C99 lrintf: .................... ${ac_cv_func_lrintf} 222 Alloca: ........................ ${has_alloca} 223 224 General configuration: 225 226 Fast float approximations: ..... ${float_approx} 227 Fixed point support: ........... ${ac_enable_fixed} 228 Fixed point debugging: ......... ${ac_enable_fixed_debug} 229 Custom modes: .................. ${ac_enable_custom_modes} 230 Assertion checking: ............ ${ac_enable_assertions} 231------------------------------------------------------------------------ 232]) 233 234if test "x$tools" = "x"; then 235echo "**IMPORTANT**" 236echo "You don't seem to have the development package for libogg (libogg-devel) available. Only the library will be built (no encoder/decoder executable)" 237echo "You can download libogg from http://www.vorbis.com/download.psp" 238fi 239 240echo "Type \"make; make install\" to compile and install"; 241echo "Type \"make check\" to run the test suite"; 242