300 lines
9.3 KiB
Plaintext
300 lines
9.3 KiB
Plaintext
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dnl Process this file with autoconf to produce a configure script
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dnl ------------------------------------------------
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dnl Initialization and Versioning
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dnl ------------------------------------------------
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AC_INIT([libvorbis],[1.3.4],[vorbis-dev@xiph.org])
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AC_CONFIG_SRCDIR([lib/mdct.c])
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AC_CANONICAL_TARGET([])
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AM_INIT_AUTOMAKE
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AM_MAINTAINER_MODE
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dnl Add parameters for aclocal
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AC_SUBST(ACLOCAL_AMFLAGS, "-I m4")
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dnl Library versioning
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dnl - library source changed -> increment REVISION
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dnl - interfaces added/removed/changed -> increment CURRENT, REVISION = 0
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dnl - interfaces added -> increment AGE
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dnl - interfaces removed -> AGE = 0
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V_LIB_CURRENT=4
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V_LIB_REVISION=7
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V_LIB_AGE=4
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VF_LIB_CURRENT=6
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VF_LIB_REVISION=6
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VF_LIB_AGE=3
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VE_LIB_CURRENT=2
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VE_LIB_REVISION=10
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VE_LIB_AGE=0
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AC_SUBST(V_LIB_CURRENT)
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AC_SUBST(V_LIB_REVISION)
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AC_SUBST(V_LIB_AGE)
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AC_SUBST(VF_LIB_CURRENT)
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AC_SUBST(VF_LIB_REVISION)
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AC_SUBST(VF_LIB_AGE)
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AC_SUBST(VE_LIB_CURRENT)
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AC_SUBST(VE_LIB_REVISION)
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AC_SUBST(VE_LIB_AGE)
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dnl --------------------------------------------------
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dnl Check for programs
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dnl --------------------------------------------------
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dnl save $CFLAGS since AC_PROG_CC likes to insert "-g -O2"
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dnl if $CFLAGS is blank
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cflags_save="$CFLAGS"
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AC_PROG_CC
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AC_PROG_CPP
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CFLAGS="$cflags_save"
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AC_C_INLINE
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AC_LIBTOOL_WIN32_DLL
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AC_PROG_LIBTOOL
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AM_PROG_CC_C_O
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dnl Check for doxygen
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if test "x$enable_docs" = xyes; then
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AC_CHECK_PROG(HAVE_DOXYGEN, doxygen, true, false)
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if test $HAVE_DOXYGEN = "false"; then
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AC_MSG_WARN([*** doxygen not found, API documentation will not be built])
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fi
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else
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HAVE_DOXYGEN=false
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fi
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AM_CONDITIONAL(HAVE_DOXYGEN,$HAVE_DOXYGEN)
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dnl latex tools for the specification document
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AC_ARG_ENABLE(docs,
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AC_HELP_STRING([--enable-docs], [build the documentation]))
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if test "x$enable_docs" = xyes; then
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AC_CHECK_PROGS([PDFLATEX], pdflatex, [/bin/false])
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AC_CHECK_PROGS([HTLATEX], htlatex, [/bin/false])
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if test "x$PDFLATEX" = x/bin/false || test "x$HTLATEX" = x/bin/false; then
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enable_docs=no
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AC_MSG_WARN([Documentation will not be built!])
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fi
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fi
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AM_CONDITIONAL(BUILD_DOCS, [test "x$enable_docs" = xyes])
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AC_ARG_ENABLE(examples,
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AS_HELP_STRING([--enable-examples], [build the examples]))
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AM_CONDITIONAL(BUILD_EXAMPLES, [test "x$enable_examples" = xyes])
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dnl --------------------------------------------------
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dnl Set build flags based on environment
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dnl --------------------------------------------------
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dnl Set some target options
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cflags_save="$CFLAGS"
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if test -z "$GCC"; then
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case $host in
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*-*-irix*)
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dnl If we're on IRIX, we wanna use cc even if gcc
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dnl is there (unless the user has overriden us)...
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if test -z "$CC"; then
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CC=cc
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fi
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DEBUG="-g -signed"
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CFLAGS="-O2 -w -signed"
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PROFILE="-p -g3 -O2 -signed" ;;
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sparc-sun-solaris*)
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DEBUG="-v -g"
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CFLAGS="-xO4 -fast -w -fsimple -native -xcg92"
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PROFILE="-v -xpg -g -xO4 -fast -native -fsimple -xcg92 -Dsuncc" ;;
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*)
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DEBUG="-g"
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CFLAGS="-O"
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PROFILE="-g -p" ;;
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esac
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else
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AC_MSG_CHECKING([GCC version])
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GCC_VERSION=`$CC -dumpversion`
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AC_MSG_RESULT([$GCC_VERSION])
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case $host in
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*86-*-linux*)
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DEBUG="-g -Wall -Wextra -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
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CFLAGS="-O20 -ffast-math -mno-ieee-fp -D_REENTRANT -fsigned-char"
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# PROFILE="-Wall -Wextra -pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char -fno-inline -static"
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PROFILE="-Wall -Wextra -pg -g -O20 -ffast-math -mno-ieee-fp -D_REENTRANT -fsigned-char -fno-inline"
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# glibc < 2.1.3 has a serious FP bug in the math inline header
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# that will cripple Vorbis. Look to see if the magic FP stack
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# clobber is missing in the mathinline header, thus indicating
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# the buggy version
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AC_EGREP_CPP(log10.*fldlg2.*fxch,[
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#define __LIBC_INTERNAL_MATH_INLINES 1
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#define __OPTIMIZE__
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#include <math.h>
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],bad=maybe,bad=no)
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if test ${bad} = "maybe" ;then
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AC_EGREP_CPP(log10.*fldlg2.*fxch.*st\([[0123456789]]*\),
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[
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#define __LIBC_INTERNAL_MATH_INLINES 1
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#define __OPTIMIZE__
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#include <math.h>
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],bad=no,bad=yes)
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fi
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if test ${bad} = "yes" ;then
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AC_MSG_WARN([ ])
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AC_MSG_WARN([********************************************************])
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AC_MSG_WARN([* The glibc headers on this machine have a serious bug *])
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AC_MSG_WARN([* in /usr/include/bits/mathinline.h This bug affects *])
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AC_MSG_WARN([* all floating point code, not just Ogg, built on this *])
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AC_MSG_WARN([* machine. Upgrading to glibc 2.1.3 is strongly urged *])
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AC_MSG_WARN([* to correct the problem. Note that upgrading glibc *])
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AC_MSG_WARN([* will not fix any previously built programs; this is *])
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AC_MSG_WARN([* a compile-time bug. *])
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AC_MSG_WARN([* To work around the problem for this build of Ogg, *])
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AC_MSG_WARN([* autoconf is disabling all math inlining. This will *])
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AC_MSG_WARN([* hurt Ogg performace but is necessary for an Ogg that *])
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AC_MSG_WARN([* will actually work. Once glibc is upgraded, rerun *])
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AC_MSG_WARN([* configure and make to build with inlining. *])
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AC_MSG_WARN([********************************************************])
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AC_MSG_WARN([ ])
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CFLAGS=${OPT}" -D__NO_MATH_INLINES"
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PROFILE=${PROFILE}" -D__NO_MATH_INLINES"
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fi;;
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powerpc-*-linux*spe)
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DEBUG="-g -Wall -Wextra -D_REENTRANT -D__NO_MATH_INLINES"
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CFLAGS="-O3 -Wall -Wextra -ffast-math -mfused-madd -D_REENTRANT"
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PROFILE="-pg -g -O3 -ffast-math -mfused-madd -D_REENTRANT";;
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powerpc-*-linux*)
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DEBUG="-g -Wall -Wextra -D_REENTRANT -D__NO_MATH_INLINES"
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CFLAGS="-O3 -Wall -Wextra -ffast-math -mfused-madd -mcpu=750 -D_REENTRANT"
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PROFILE="-pg -g -O3 -ffast-math -mfused-madd -mcpu=750 -D_REENTRANT";;
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*-*-linux*)
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DEBUG="-g -Wall -Wextra -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
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CFLAGS="-O20 -Wall -Wextra -ffast-math -D_REENTRANT -fsigned-char"
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PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char";;
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sparc-sun-*)
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sparc_cpu=""
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AC_MSG_CHECKING([if gcc supports -mv8])
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old_cflags="$CFLAGS"
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CFLAGS="$CFLAGS -mv8"
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AC_TRY_COMPILE(, [return 0;], [
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AC_MSG_RESULT([yes])
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sparc_cpu="-mv8"
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])
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CFLAGS="$old_cflags"
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DEBUG="-g -Wall -Wextra -D__NO_MATH_INLINES -fsigned-char $sparc_cpu"
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CFLAGS="-O20 -Wall -Wextra -ffast-math -D__NO_MATH_INLINES -fsigned-char $sparc_cpu"
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PROFILE="-pg -g -O20 -D__NO_MATH_INLINES -fsigned-char $sparc_cpu" ;;
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*-*-darwin*)
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DEBUG="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -O0 -fsigned-char"
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CFLAGS="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -O4 -ffast-math -fsigned-char"
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PROFILE="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -pg -O4 -ffast-math -fsigned-char";;
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*-*-os2*)
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# Use -W instead of -Wextra because gcc on OS/2 is an old version.
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DEBUG="-g -Wall -W -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
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CFLAGS="-O20 -Wall -W -ffast-math -D_REENTRANT -fsigned-char"
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PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char";;
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*)
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DEBUG="-g -Wall -Wextra -D__NO_MATH_INLINES -fsigned-char"
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CFLAGS="-O20 -Wall -Wextra -D__NO_MATH_INLINES -fsigned-char"
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PROFILE="-O20 -g -pg -D__NO_MATH_INLINES -fsigned-char" ;;
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esac
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AC_ADD_CFLAGS([-Wdeclaration-after-statement])
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fi
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CFLAGS="$CFLAGS $cflags_save"
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dnl --------------------------------------------------
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dnl Check for headers
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dnl --------------------------------------------------
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AC_CHECK_HEADER(memory.h,CFLAGS="$CFLAGS -DUSE_MEMORY_H",:)
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dnl --------------------------------------------------
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dnl Check for typedefs, structures, etc
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dnl --------------------------------------------------
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dnl none
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dnl --------------------------------------------------
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dnl Check for libraries
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dnl --------------------------------------------------
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AC_CHECK_LIB(m, cos, VORBIS_LIBS="-lm", VORBIS_LIBS="")
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AC_CHECK_LIB(pthread, pthread_create, pthread_lib="-lpthread", :)
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PKG_PROG_PKG_CONFIG
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HAVE_OGG=no
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if test "x$PKG_CONFIG" != "x"
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then
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PKG_CHECK_MODULES(OGG, ogg >= 1.0, HAVE_OGG=yes, HAVE_OGG=no)
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fi
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if test "x$HAVE_OGG" = "xno"
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then
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dnl fall back to the old school test
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XIPH_PATH_OGG(, AC_MSG_ERROR(must have Ogg installed!))
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libs_save=$LIBS
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LIBS="$OGG_LIBS $VORBIS_LIBS"
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AC_CHECK_FUNC(oggpack_writealign, , AC_MSG_ERROR(Ogg >= 1.0 required !))
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LIBS=$libs_save
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fi
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dnl --------------------------------------------------
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dnl Check for library functions
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dnl --------------------------------------------------
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AC_FUNC_ALLOCA
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AC_FUNC_MEMCMP
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dnl --------------------------------------------------
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dnl Do substitutions
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dnl --------------------------------------------------
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AC_SUBST(VORBIS_LIBS)
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AC_SUBST(DEBUG)
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AC_SUBST(PROFILE)
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AC_SUBST(pthread_lib)
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dnl The following line causes the libtool distributed with the source
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dnl to be replaced if the build system has a more recent version.
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AC_SUBST(LIBTOOL_DEPS)
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AC_CONFIG_FILES([
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Makefile
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m4/Makefile
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lib/Makefile
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lib/modes/Makefile
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lib/books/Makefile
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lib/books/coupled/Makefile
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lib/books/uncoupled/Makefile
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lib/books/floor/Makefile
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doc/Makefile doc/vorbisfile/Makefile doc/vorbisenc/Makefile doc/libvorbis/Makefile
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doc/Doxyfile
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include/Makefile include/vorbis/Makefile
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examples/Makefile
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test/Makefile
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vq/Makefile
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libvorbis.spec
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vorbis.pc
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vorbisenc.pc
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vorbisfile.pc
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vorbis-uninstalled.pc
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vorbisenc-uninstalled.pc
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vorbisfile-uninstalled.pc
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])
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AC_CONFIG_HEADERS([config.h])
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AC_OUTPUT
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