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# $Id: configure.in,v 1.18.2.1 2000/08/15 08:32:58 xiphmont Exp $
AC_INIT(lib/mdct.c)
#AC_CONFIG_HEADER(config.h)
cp configure.guess config.guess
cp configure.sub config.sub
AC_CANONICAL_HOST
dnl If we're on IRIX, we wanna use cc even if gcc is there (unless the user
dnl has overriden us)...
case $host in
*-*-irix*)
if test -z "$CC"; then
CC=cc
fi
AC_CHECK_LIB(audio, ALwritesamps)
;;
# BeOS does not use -lm
# *-*-beos)
# LIBS=""
# ;;
# added better check below
esac
if test -z "$CC"; then
AC_PROG_CC
fi
AC_PROG_CPP
AC_PROG_RANLIB
AC_CHECK_PROG(AR,ar,ar)
AC_CHECK_PROG(INSTALL,install,install)
#not everyone uses libm (eg, BeOS)
#AC_CHECK_LIB(m, cos, LIBS="-lm"; AC_DEFINE(HAVE_LIBM), LIBS="")
# We no longer use config.h
AC_CHECK_LIB(m, cos, LIBS="-lm", LIBS="")
dnl Set some target options
if test -z "$GCC"; then
case $host in
*-*-irix*)
DEBUG="-g -signed"
OPT="-O2 -w -signed"
PROFILE="-p -g3 -O2 -signed" ;;
sparc-sun-solaris*)
DEBUG="-v -g"
OPT="-xO4 -fast -w -fsimple -native -xcg92"
PROFILE="-v -xpg -g -xO4 -fast -native -fsimple -xcg92 -Dsuncc" ;;
*)
DEBUG="-g"
OPT="-O"
PROFILE="-g -p" ;;
esac
else
case $host in
*86-*-linux*)
DEBUG="-g -Wall -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
OPT="-O20 -ffast-math -D_REENTRANT -fsigned-char"
PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char"
# glibc < 2.1.3 has a serious FP bug in the math inline header
# that will cripple Vorbis. Look to see if the magic FP stack
# clobber is missing in the mathinline header, thus indicating
# the buggy version
AC_EGREP_CPP(log10.*fldlg2.*fxch,[
#define __LIBC_INTERNAL_MATH_INLINES 1
#define __OPTIMIZE__
#include <math.h>
],bad=maybe,bad=no)
if test ${bad} = "maybe" ;then
AC_EGREP_CPP(log10.*fldlg2.*fxch.*st\([[0123456789]]*\),
[
#define __LIBC_INTERNAL_MATH_INLINES 1
#define __OPTIMIZE__
#include <math.h>
],bad=no,bad=yes)
fi
if test ${bad} = "yes" ;then
AC_MSG_WARN([ ])
AC_MSG_WARN([********************************************************])
AC_MSG_WARN([* The glibc headers on this machine have a serious bug *])
AC_MSG_WARN([* in /usr/include/bits/mathinline.h This bug affects *])
AC_MSG_WARN([* all floating point code, not just Ogg, built on this *])
AC_MSG_WARN([* machine. Upgrading to glibc 2.1.3 is strongly urged *])
AC_MSG_WARN([* to correct the problem. Note that upgrading glibc *])
AC_MSG_WARN([* will not fix any previously built programs; this is *])
AC_MSG_WARN([* a compile-time time bug. *])
AC_MSG_WARN([* To work around the problem for this build of Ogg, *])
AC_MSG_WARN([* autoconf is disabling all math inlining. This will *])
AC_MSG_WARN([* hurt Ogg performace but is necessary for an Ogg that *])
AC_MSG_WARN([* will actually work. Once glibc is upgraded, rerun *])
AC_MSG_WARN([* configure and make to build with inlining. *])
AC_MSG_WARN([********************************************************])
AC_MSG_WARN([ ])
OPT=${OPT}" -D__NO_MATH_INLINES"
PROFILE=${PROFILE}" -D__NO_MATH_INLINES"
fi;;
*-*-linux*)
DEBUG="-g -Wall -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
OPT="-O20 -ffast-math -D_REENTRANT -fsigned-char"
PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char";;
sparc-sun-*)
DEBUG="-g -Wall -D__NO_MATH_INLINES -fsigned-char -mv8"
OPT="-O20 -ffast-math -D__NO_MATH_INLINES -fsigned-char -mv8"
PROFILE="-pg -g -O20 -D__NO_MATH_INLINES -fsigned-char -mv8" ;;
*)
DEBUG="-g -Wall -D__NO_MATH_INLINES -fsigned-char"
OPT="-O20 -D__NO_MATH_INLINES -fsigned-char"
PROFILE="-O20 -g -pg -D__NO_MATH_INLINES -fsigned-char" ;;
esac
fi
AC_HEADER_STDC
CFLAGS=""
dnl AC_PATH_X
dnl AC_PATH_XTRA
#AC_CHECK_LIB(pthread, pthread_create,
# pthread_lib="-lpthread"; AC_DEFINE(HAVE_LIBPTHREAD), :)
# We no longer use config.h
AC_CHECK_LIB(pthread, pthread_create, pthread_lib="-lpthread", :)
#dnl Linuxthreads require you to define _REENTRANT in all threaded
#dnl code. Bogus, bogus...
#
#if test -n "$pthread_lib"; then
# case $host in
# i?86-*-linux*)
# AC_DEFINE(_REENTRANT)
# ;;
# esac
#fi
# We no longer use config.h
#if test -n "$x_libraries"; then
# XOGG="yes"
#
# dnl If we find libgtk installed, great; otherwise assume we have
# dnl to build it ourselves.
#
# AC_CHECK_LIB(gtk, gtk_main, :, LIBGTKDIR="libgtk", $X_LIBS -lglib -lgdk -lX11 -lXext -lm)
#
# dnl libpthread is required for xogg.
#
# if test -z "$pthread_lib"; then XOGG=""; fi
#
# dnl If we don't have libgtk installed, and we don't have a libgtk
# dnl subdirectory to build the library ourself, we can't build xogg.
#
# if test -n "$LIBGTKDIR" -a ! -d "$LIBGTKDIR"; then
# XOGG=""
# LIBGTKDIR=""
# fi
#fi
dnl This seems to be the only way to make autoconf only *sometimes* configure
dnl a subdirectory with AC_CONFIG_SUBDIRS. "__noconf" is assumed to not
dnl exist as a directory, so configure won't try to recursively enter it, unless
dnl the shell variable $dummy is reset to an existing directory inside the
dnl if clause.
dummy="__noconf"
#if test -d "$LIBGTKDIR"; then
# enable_shared="no"; export enable_shared
# dummy="libgtk"
# AC_CONFIG_SUBDIRS("$dummy")
# X_LIBS="-L${srcdir}/libgtk/gtk/.libs -L${srcdir}/libgtk/gdk/.libs -L${srcdir}/libgtk/glib/.libs $X_LIBS"
#fi
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(long long)
case 2 in
$ac_cv_sizeof_short) SIZE16="short";;
$ac_cv_sizeof_int) SIZE16="int";;
esac
case 4 in
$ac_cv_sizeof_short) SIZE32="short";;
$ac_cv_sizeof_int) SIZE32="int";;
$ac_cv_sizeof_long) SIZE32="long";;
esac
case 8 in
$ac_cv_sizeof_int) SIZE64="int";;
$ac_cv_sizeof_long) SIZE64="long";;
$ac_cv_sizeof_long_long) SIZE64="long long";;
esac
if test -z "$SIZE16"; then
AC_MSG_ERROR(No 16 bit type found on this platform!)
fi
if test -z "$SIZE32"; then
AC_MSG_ERROR(No 32 bit type found on this platform!)
fi
if test -z "$SIZE64"; then
AC_MSG_WARN(No 64 bit type found on this platform!)
fi
#AC_CHECK_HEADER(alloca.h,AC_DEFINE(USE_ALLOCA_H),:)
#AC_CHECK_HEADER(memory.h,AC_DEFINE(USE_MEMORY_H),:)
# We no longer use config.h
AC_CHECK_HEADER(alloca.h,CFLAGS="$CFLAGS -DUSE_ALLOCA_H",:)
AC_CHECK_HEADER(memory.h,CFLAGS="$CFLAGS -DUSE_MEMORY_H",:)
AC_C_CONST
AC_HEADER_TIME
AC_STRUCT_TM
AC_PROG_MAKE_SET
AC_FUNC_MEMCMP
AC_TYPE_SIGNAL
AC_CHECK_FUNCS(gettimeofday select strcspn strerror strspn sigaction)
AC_SUBST(SIZE16)
AC_SUBST(SIZE32)
AC_SUBST(SIZE64)
AC_SUBST(OPT)
AC_SUBST(LIBS)
AC_SUBST(DEBUG)
AC_SUBST(PROFILE)
AC_SUBST(CC)
AC_SUBST(RANLIB)
#AC_SUBST(XOGG)
#AC_SUBST(LIBGTKDIR)
AC_SUBST(pthread_lib)
AC_CONFIG_SUBDIRS(vorbis-tools/libao)
AC_OUTPUT(Makefile lib/Makefile examples/Makefile vorbis-tools/Makefile\
vq/Makefile huff/Makefile cmdline/Makefile xmms/Makefile kmpg/Makefile)
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