-# $Id: configure.in,v 1.15 2000/06/19 15:14:15 xiphmont Exp $
+dnl Process this file with autoconf to produce a configure script
-AC_INIT(lib/mdct.c)
-#AC_CONFIG_HEADER(config.h)
+dnl ------------------------------------------------
+dnl Initialization and Versioning
+dnl ------------------------------------------------
-cp configure.guess config.guess
-cp configure.sub config.sub
+AC_INIT(lib/mdct.c)
+AM_INIT_AUTOMAKE(libvorbis,1.0rc2)
+
+dnl Library versioning
+
+V_LIB_CURRENT=0
+V_LIB_REVISION=1
+V_LIB_AGE=0
+VF_LIB_CURRENT=1
+VF_LIB_REVISION=0
+VF_LIB_AGE=1
+VE_LIB_CURRENT=0
+VE_LIB_REVISION=1
+VE_LIB_AGE=0
+AC_SUBST(V_LIB_CURRENT)
+AC_SUBST(V_LIB_REVISION)
+AC_SUBST(V_LIB_AGE)
+AC_SUBST(VF_LIB_CURRENT)
+AC_SUBST(VF_LIB_REVISION)
+AC_SUBST(VF_LIB_AGE)
+AC_SUBST(VE_LIB_CURRENT)
+AC_SUBST(VE_LIB_REVISION)
+AC_SUBST(VE_LIB_AGE)
+
+dnl --------------------------------------------------
+dnl Check for programs
+dnl --------------------------------------------------
+
+dnl save $CFLAGS since AC_PROG_CC likes to insert "-g -O2"
+dnl if $CFLAGS is blank
+cflags_save="$CFLAGS"
+AC_PROG_CC
+AC_PROG_CPP
+CFLAGS="$cflags_save"
+
+AM_PROG_LIBTOOL
+
+dnl --------------------------------------------------
+dnl Set build flags based on environment
+dnl --------------------------------------------------
AC_CANONICAL_HOST
-LIBS="-lm"
-
-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=""
- ;;
-
-esac
-
-if test -z "$CC"; then
- AC_PROG_CC
-fi
-AC_PROG_RANLIB
-AC_CHECK_PROG(AR,ar,ar)
-AC_CHECK_PROG(INSTALL,install,install)
dnl Set some target options
+
+cflags_save="$CFLAGS"
+ldflags_save="$LDFLAGS"
if test -z "$GCC"; then
case $host in
*-*-irix*)
- DEBUG="-g"
- OPT="-O2 -w"
- PROFILE="-p -g3 -O2" ;;
+ dnl If we're on IRIX, we wanna use cc even if gcc
+ dnl is there (unless the user has overriden us)...
+ if test -z "$CC"; then
+ CC=cc
+ fi
+ DEBUG="-g -signed"
+ CFLAGS="-O2 -w -signed"
+ PROFILE="-p -g3 -O2 -signed" ;;
sparc-sun-solaris*)
DEBUG="-v -g"
- OPT="-xO4 -fast -w -fsingle -fsimple -native -xcg92"
- PROFILE="-v -xpg -g -xO4 -fast -fsingle -native -fsimple -xcg92 -Dsuncc" ;;
+ CFLAGS="-xO4 -fast -w -fsimple -native -xcg92"
+ PROFILE="-v -xpg -g -xO4 -fast -native -fsimple -xcg92 -Dsuncc" ;;
*)
DEBUG="-g"
- OPT="-O"
+ CFLAGS="-O"
PROFILE="-g -p" ;;
esac
else
-# -D__NO_MATH_INLINES avoids some serious FP assembly related bugs in
-# glibc 2.0/2.1
-
case $host in
+ *86-*-linux*)
+ DEBUG="-g -Wall -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
+ CFLAGS="-O20 -ffast-math -mno-ieee-fp -D_REENTRANT -fsigned-char"
+# PROFILE="-Wall -W -pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char -fno-inline -static"
+ PROFILE="-Wall -W -pg -g -O20 -ffast-math -mno-ieee-fp -D_REENTRANT -fsigned-char -fno-inline -static"
+
+ # 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 ${bad} = "yes" ;then
+ AC_MSG_WARN([ ])
+ AC_MSG_WARN([********************************************************])
+ AC_MSG_WARN([* The glibc headers on this machine have a serious bug *])
+ AC_MSG_WARN([* in /usr/include/bits/mathinline.h This bug affects *])
+ AC_MSG_WARN([* all floating point code, not just Ogg, built on this *])
+ AC_MSG_WARN([* machine. Upgrading to glibc 2.1.3 is strongly urged *])
+ AC_MSG_WARN([* to correct the problem. Note that upgrading glibc *])
+ AC_MSG_WARN([* will not fix any previously built programs; this is *])
+ AC_MSG_WARN([* a compile-time time bug. *])
+ AC_MSG_WARN([* To work around the problem for this build of Ogg, *])
+ AC_MSG_WARN([* autoconf is disabling all math inlining. This will *])
+ AC_MSG_WARN([* hurt Ogg performace but is necessary for an Ogg that *])
+ AC_MSG_WARN([* will actually work. Once glibc is upgraded, rerun *])
+ AC_MSG_WARN([* configure and make to build with inlining. *])
+ AC_MSG_WARN([********************************************************])
+ AC_MSG_WARN([ ])
+
+ CFLAGS=${OPT}" -D__NO_MATH_INLINES"
+ PROFILE=${PROFILE}" -D__NO_MATH_INLINES"
+ fi;;
*-*-linux*)
DEBUG="-g -Wall -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
- OPT="-O20 -ffast-math -D_REENTRANT -fsigned-char"
+ CFLAGS="-O20 -ffast-math -D_REENTRANT -fsigned-char"
PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char";;
sparc-sun-*)
DEBUG="-g -Wall -D__NO_MATH_INLINES -fsigned-char -mv8"
- OPT="-O20 -ffast-math -D__NO_MATH_INLINES -fsigned-char -mv8"
+ CFLAGS="-O20 -ffast-math -D__NO_MATH_INLINES -fsigned-char -mv8"
PROFILE="-pg -g -O20 -D__NO_MATH_INLINES -fsigned-char -mv8" ;;
+ *-*-darwin*)
+ DEBUG="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -O0 -fsigned-char"
+ CFLAGS="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -O4 -ffast-math -fsigned-char"
+ PROFILE="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -pg -O4 -ffast-math -fsigned-char";;
*)
DEBUG="-g -Wall -D__NO_MATH_INLINES -fsigned-char"
- OPT="-O20 -D__NO_MATH_INLINES -fsigned-char"
+ CFLAGS="-O20 -D__NO_MATH_INLINES -fsigned-char"
PROFILE="-O20 -g -pg -D__NO_MATH_INLINES -fsigned-char" ;;
esac
fi
+CFLAGS="$CFLAGS $cflags_save"
+LDFLAGS="$LDFLAGS $ldflags_save"
-AC_HEADER_STDC
+dnl --------------------------------------------------
+dnl Check for headers
+dnl --------------------------------------------------
-CFLAGS=""
+AC_CHECK_HEADER(memory.h,CFLAGS="$CFLAGS -DUSE_MEMORY_H",:)
-dnl AC_PATH_X
-dnl AC_PATH_XTRA
+dnl --------------------------------------------------
+dnl Check for typedefs, structures, etc
+dnl --------------------------------------------------
-AC_CHECK_LIB(pthread, pthread_create,
- pthread_lib="-lpthread"; AC_DEFINE(HAVE_LIBPTHREAD), :)
+dnl none
-dnl Linuxthreads require you to define _REENTRANT in all threaded
-dnl code. Bogus, bogus...
+dnl --------------------------------------------------
+dnl Check for libraries
+dnl --------------------------------------------------
-if test -n "$pthread_lib"; then
- case $host in
- i?86-*-linux*)
- AC_DEFINE(_REENTRANT)
- ;;
- esac
-fi
+AC_CHECK_LIB(m, cos, LIBS="-lm", LIBS="")
+AC_CHECK_LIB(pthread, pthread_create, pthread_lib="-lpthread", :)
-#if test -n "$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_HEADER_SYS_WAIT
-AC_CHECK_HEADERS(fcntl.h limits.h sys/ioctl.h sys/time.h unistd.h)
+AM_PATH_OGG(LIBS="$LIBS $OGG_LIBS", AC_MSG_ERROR(must have Ogg installed!))
-AC_C_CONST
-AC_HEADER_TIME
-AC_STRUCT_TM
+dnl --------------------------------------------------
+dnl Check for library functions
+dnl --------------------------------------------------
-AC_PROG_MAKE_SET
+AC_FUNC_ALLOCA
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_CHECK_FUNCS(sqrtf)
+AC_CHECK_FUNCS(logf)
+AC_CHECK_FUNCS(expf)
+AC_CHECK_FUNCS(acosf)
+AC_CHECK_FUNCS(atanf)
+AC_CHECK_FUNCS(frexpf)
+AC_CHECK_FUNCS(rintf)
+
+dnl --------------------------------------------------
+dnl Do substitutions
+dnl --------------------------------------------------
+
AC_SUBST(DEBUG)
AC_SUBST(PROFILE)
-AC_SUBST(CC)
-AC_SUBST(RANLIB)
-#AC_SUBST(XOGG)
-#AC_SUBST(LIBGTKDIR)
AC_SUBST(pthread_lib)
-AC_OUTPUT(Makefile lib/Makefile examples/Makefile vorbis-tools/Makefile\
- vq/Makefile huff/Makefile cmdline/Makefile xmms/Makefile kmpg/Makefile)
-
+AC_OUTPUT(Makefile lib/Makefile lib/modes/Makefile lib/books/Makefile doc/Makefile doc/vorbisfile/Makefile doc/vorbisenc/Makefile include/Makefile include/vorbis/Makefile examples/Makefile win32/Makefile debian/Makefile vq/Makefile)
projects / platform / upstream / libvorbis.git / blobdiff