configure.ac

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