configure.in

   1 # $Id: configure.in,v 1.18 2000/07/07 06:16:24 xiphmont Exp $
   2
   3 AC_INIT(lib/mdct.c)
   4 #AC_CONFIG_HEADER(config.h)
   5
   6 cp configure.guess config.guess
   7 cp configure.sub config.sub
   8
   9 AC_CANONICAL_HOST
  10
  11 dnl If we're on IRIX, we wanna use cc even if gcc is there (unless the user
  12 dnl has overriden us)...
  13 case $host in
  14         *-*-irix*)
  15                 if test -z "$CC"; then
  16                         CC=cc
  17                 fi
  18                 AC_CHECK_LIB(audio, ALwritesamps)
  19         ;;
  20 # BeOS does not use -lm
  21 #       *-*-beos)
  22 #               LIBS=""
  23 #       ;;
  24 # added better check below
  25
  26 esac
  27
  28 if test -z "$CC"; then
  29         AC_PROG_CC
  30 fi
  31 AC_PROG_CPP
  32 AC_PROG_RANLIB
  33 AC_CHECK_PROG(AR,ar,ar)
  34 AC_CHECK_PROG(INSTALL,install,install)
  35
  36 #not everyone uses libm (eg, BeOS)
  37 #AC_CHECK_LIB(m, cos, LIBS="-lm"; AC_DEFINE(HAVE_LIBM), LIBS="")
  38 # We no longer use config.h
  39 AC_CHECK_LIB(m, cos, LIBS="-lm", LIBS="")
  40
  41 dnl Set some target options
  42 if test -z "$GCC"; then
  43         case $host in
  44         *-*-irix*)
  45                 DEBUG="-g -signed"
  46                 OPT="-O2 -w -signed"
  47                 PROFILE="-p -g3 -O2 -signed" ;;
  48         sparc-sun-solaris*)
  49                 DEBUG="-v -g"
  50                 OPT="-xO4 -fast -w -fsimple -native -xcg92"
  51                 PROFILE="-v -xpg -g -xO4 -fast -native -fsimple -xcg92 -Dsuncc" ;;
  52         *)
  53                 DEBUG="-g"
  54                 OPT="-O"
  55                 PROFILE="-g -p" ;;
  56         esac
  57 else
  58
  59         case $host in
  60         *86-*-linux*)
  61                 DEBUG="-g -Wall -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
  62                 OPT="-O20 -ffast-math -D_REENTRANT -fsigned-char"
  63                 PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char"
  64
  65                 # glibc < 2.1.3 has a serious FP bug in the math inline header
  66                 # that will cripple Vorbis.  Look to see if the magic FP stack
  67                 # clobber is missing in the mathinline header, thus indicating
  68                 # the buggy version
  69
  70                 AC_EGREP_CPP(log10.*fldlg2.*fxch,[
  71                                 #define __LIBC_INTERNAL_MATH_INLINES 1
  72                                 #define __OPTIMIZE__
  73                                 #include <math.h>
  74                                 ],bad=maybe,bad=no)
  75                 if test ${bad} = "maybe" ;then
  76                       AC_EGREP_CPP(log10.*fldlg2.*fxch.*st\([[0123456789]]*\),
  77                                         [
  78                                         #define __LIBC_INTERNAL_MATH_INLINES 1
  79                                         #define __OPTIMIZE__
  80                                         #include <math.h>
  81                                         ],bad=no,bad=yes)
  82                 fi
  83                 if test ${bad} = "yes" ;then
  84  AC_MSG_WARN([                                                        ])
  85  AC_MSG_WARN([********************************************************])
  86  AC_MSG_WARN([* The glibc headers on this machine have a serious bug *])
  87  AC_MSG_WARN([* in /usr/include/bits/mathinline.h  This bug affects  *])
  88  AC_MSG_WARN([* all floating point code, not just Ogg, built on this *])
  89  AC_MSG_WARN([* machine.  Upgrading to glibc 2.1.3 is strongly urged *])
  90  AC_MSG_WARN([* to correct the problem.  Note that upgrading glibc   *])
  91  AC_MSG_WARN([* will not fix any previously built programs; this is  *])
  92  AC_MSG_WARN([* a compile-time time bug.                             *])
  93  AC_MSG_WARN([* To work around the problem for this build of Ogg,    *])
  94  AC_MSG_WARN([* autoconf is disabling all math inlining.  This will  *])
  95  AC_MSG_WARN([* hurt Ogg performace but is necessary for an Ogg that *])
  96  AC_MSG_WARN([* will actually work.  Once glibc is upgraded, rerun   *])
  97  AC_MSG_WARN([* configure and make to build with inlining.           *])
  98  AC_MSG_WARN([********************************************************])
  99  AC_MSG_WARN([                                                        ])
 100
 101                 OPT=${OPT}" -D__NO_MATH_INLINES"
 102                 PROFILE=${PROFILE}" -D__NO_MATH_INLINES"
 103                 fi;;
 104         *-*-linux*)
 105                 DEBUG="-g -Wall -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
 106                 OPT="-O20 -ffast-math -D_REENTRANT -fsigned-char"
 107                 PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char";;
 108         sparc-sun-*)
 109                 DEBUG="-g -Wall -D__NO_MATH_INLINES -fsigned-char -mv8"
 110                 OPT="-O20 -ffast-math -D__NO_MATH_INLINES -fsigned-char -mv8"
 111                 PROFILE="-pg -g -O20 -D__NO_MATH_INLINES -fsigned-char -mv8" ;;
 112         *)
 113                 DEBUG="-g -Wall -D__NO_MATH_INLINES -fsigned-char"
 114                 OPT="-O20 -D__NO_MATH_INLINES -fsigned-char"
 115                 PROFILE="-O20 -g -pg -D__NO_MATH_INLINES -fsigned-char" ;;
 116         esac
 117 fi
 118
 119 AC_HEADER_STDC
 120
 121 CFLAGS=""
 122
 123 dnl AC_PATH_X
 124 dnl AC_PATH_XTRA
 125
 126 #AC_CHECK_LIB(pthread, pthread_create,
 127 #       pthread_lib="-lpthread"; AC_DEFINE(HAVE_LIBPTHREAD), :)
 128 # We no longer use config.h
 129 AC_CHECK_LIB(pthread, pthread_create, pthread_lib="-lpthread", :)
 130
 131 #dnl Linuxthreads require you to define _REENTRANT in all threaded
 132 #dnl code.  Bogus, bogus...
 133 #
 134 #if test -n "$pthread_lib"; then
 135 #       case $host in
 136 #       i?86-*-linux*)
 137 #               AC_DEFINE(_REENTRANT)
 138 #               ;;
 139 #       esac
 140 #fi
 141 # We no longer use config.h
 142
 143 #if test -n "$x_libraries"; then
 144 #       XOGG="yes"
 145 #
 146 #       dnl If we find libgtk installed, great; otherwise assume we have
 147 #       dnl to build it ourselves.
 148 #
 149 #       AC_CHECK_LIB(gtk, gtk_main, :, LIBGTKDIR="libgtk", $X_LIBS -lglib -lgdk -lX11 -lXext -lm)
 150 #
 151 #       dnl libpthread is required for xogg.
 152 #
 153 #       if test -z "$pthread_lib"; then XOGG=""; fi
 154 #
 155 #       dnl If we don't have libgtk installed, and we don't have a libgtk
 156 #       dnl  subdirectory to build the library ourself, we can't build xogg.
 157 #
 158 #       if test -n "$LIBGTKDIR" -a ! -d "$LIBGTKDIR"; then
 159 #               XOGG=""
 160 #               LIBGTKDIR=""
 161 #       fi
 162 #fi
 163
 164 dnl This seems to be the only way to make autoconf only *sometimes* configure
 165 dnl a subdirectory with AC_CONFIG_SUBDIRS.  "__noconf" is assumed to not
 166 dnl exist as a directory, so configure won't try to recursively enter it, unless
 167 dnl the shell variable $dummy is reset to an existing directory inside the
 168 dnl if clause.
 169
 170 dummy="__noconf"
 171
 172 #if test -d "$LIBGTKDIR"; then
 173 #       enable_shared="no"; export enable_shared
 174 #       dummy="libgtk"
 175 #       AC_CONFIG_SUBDIRS("$dummy")
 176 #       X_LIBS="-L${srcdir}/libgtk/gtk/.libs -L${srcdir}/libgtk/gdk/.libs -L${srcdir}/libgtk/glib/.libs $X_LIBS"
 177 #fi
 178
 179 AC_CHECK_SIZEOF(short)
 180 AC_CHECK_SIZEOF(int)
 181 AC_CHECK_SIZEOF(long)
 182 AC_CHECK_SIZEOF(long long)
 183
 184 case 2 in
 185         $ac_cv_sizeof_short) SIZE16="short";;
 186         $ac_cv_sizeof_int) SIZE16="int";;
 187 esac
 188
 189 case 4 in
 190         $ac_cv_sizeof_short) SIZE32="short";;
 191         $ac_cv_sizeof_int) SIZE32="int";;
 192         $ac_cv_sizeof_long) SIZE32="long";;
 193 esac
 194
 195 case 8 in
 196         $ac_cv_sizeof_int) SIZE64="int";;
 197         $ac_cv_sizeof_long) SIZE64="long";;
 198         $ac_cv_sizeof_long_long) SIZE64="long long";;
 199 esac
 200
 201 if test -z "$SIZE16"; then
 202         AC_MSG_ERROR(No 16 bit type found on this platform!)
 203 fi
 204 if test -z "$SIZE32"; then
 205         AC_MSG_ERROR(No 32 bit type found on this platform!)
 206 fi
 207 if test -z "$SIZE64"; then
 208         AC_MSG_WARN(No 64 bit type found on this platform!)
 209 fi
 210
 211 #AC_CHECK_HEADER(alloca.h,AC_DEFINE(USE_ALLOCA_H),:)
 212 #AC_CHECK_HEADER(memory.h,AC_DEFINE(USE_MEMORY_H),:)
 213 # We no longer use config.h
 214 AC_CHECK_HEADER(alloca.h,CFLAGS="$CFLAGS -DUSE_ALLOCA_H",:)
 215 AC_CHECK_HEADER(memory.h,CFLAGS="$CFLAGS -DUSE_MEMORY_H",:)
 216
 217 AC_C_CONST
 218 AC_HEADER_TIME
 219 AC_STRUCT_TM
 220
 221 AC_PROG_MAKE_SET
 222 AC_FUNC_MEMCMP
 223 AC_TYPE_SIGNAL
 224 AC_CHECK_FUNCS(gettimeofday select strcspn strerror strspn sigaction)
 225
 226 AC_SUBST(SIZE16)
 227 AC_SUBST(SIZE32)
 228 AC_SUBST(SIZE64)
 229 AC_SUBST(OPT)
 230 AC_SUBST(LIBS)
 231 AC_SUBST(DEBUG)
 232 AC_SUBST(PROFILE)
 233 AC_SUBST(CC)
 234 AC_SUBST(RANLIB)
 235 #AC_SUBST(XOGG)
 236 #AC_SUBST(LIBGTKDIR)
 237 AC_SUBST(pthread_lib)
 238
 239 AC_OUTPUT(Makefile lib/Makefile examples/Makefile vorbis-tools/Makefile\
 240         vq/Makefile huff/Makefile cmdline/Makefile xmms/Makefile kmpg/Makefile)
 241