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st/libs/libvorbis-1.1.2/configure.in

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dnl Process this file with autoconf to produce a configure script
dnl ------------------------------------------------
dnl Initialization and Versioning
dnl ------------------------------------------------
AC_INIT(lib/mdct.c)
AC_CANONICAL_HOST
AC_CANONICAL_TARGET
AM_CONFIG_HEADER([config.h])
AM_INIT_AUTOMAKE(libvorbis,1.1.2)
AM_MAINTAINER_MODE
dnl Library versioning
V_LIB_CURRENT=3
V_LIB_REVISION=1
V_LIB_AGE=3
VF_LIB_CURRENT=4
VF_LIB_REVISION=1
VF_LIB_AGE=1
VE_LIB_CURRENT=2
VE_LIB_REVISION=2
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="$cflags_save"
AM_PROG_LIBTOOL
dnl docbook xml transform and processing tools
AC_ARG_ENABLE(docs,
[ --enable-docs build the documentation],
[case "${enableval}" in
yes) build_docs=true;;
no) build_docs=false;;
*) AC_MSG_ERROR(unknown value ${enableval} for --enable-docs);;
esac],[build_docs=false])
dnl ideally we'd look for other tools and support them
if test x$build_docs = xtrue; then
AC_CHECK_PROGS([XSLTPROC], xsltproc, [/bin/false])
AC_CHECK_PROGS([PDFXMLTEX], pdfxmltex, [/bin/false])
if test "x$XSLTPROC" = "x/bin/false" || test "x$PDFXMLTEX" = "x/bin/false"; then
build_docs=false
AC_MSG_WARN([Documentation will not be built!])
fi
fi
AM_CONDITIONAL(BUILD_DOCS, [test x$build_docs = xtrue])
dnl --------------------------------------------------
dnl Set build flags based on environment
dnl --------------------------------------------------
dnl Set some target options
cflags_save="$CFLAGS"
if test -z "$GCC"; then
case $host in
*-*-irix*)
dnl If we're on IRIX, we wanna use cc even if gcc
dnl is there (unless the user has overriden us)...
if test -z "$CC"; then
CC=cc
fi
DEBUG="-g -signed"
CFLAGS="-O2 -w -signed"
PROFILE="-p -g3 -O2 -signed" ;;
sparc-sun-solaris*)
DEBUG="-v -g"
CFLAGS="-xO4 -fast -w -fsimple -native -xcg92"
PROFILE="-v -xpg -g -xO4 -fast -native -fsimple -xcg92 -Dsuncc" ;;
*)
DEBUG="-g"
CFLAGS="-O"
PROFILE="-g -p" ;;
esac
else
AC_MSG_CHECKING([GCC version])
GCC_VERSION=`$CC -dumpversion`
AC_MSG_RESULT([$GCC_VERSION])
case $host in
*86-*-linux*)
DEBUG="-g -Wall -W -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"
# 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=${PROFILE}" -D__NO_MATH_INLINES"
fi;;
powerpc-*-linux*)
DEBUG="-g -Wall -W -D_REENTRANT -D__NO_MATH_INLINES"
CFLAGS="-O3 -ffast-math -mfused-madd -mcpu=750 -D_REENTRANT"
PROFILE="-pg -g -O3 -ffast-math -mfused-madd -mcpu=750 -D_REENTRANT";;
*-*-linux*)
DEBUG="-g -Wall -W -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
CFLAGS="-O20 -ffast-math -D_REENTRANT -fsigned-char"
PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char";;
sparc-sun-*)
DEBUG="-g -Wall -W -D__NO_MATH_INLINES -fsigned-char -mv8"
CFLAGS="-O20 -ffast-math -D__NO_MATH_INLINES -fsigned-char -mv8"
PROFILE="-pg -g -O20 -D__NO_MATH_INLINES -fsigned-char -mv8" ;;
*-*-darwin*)
DEBUG="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -O0 -fsigned-char"
CFLAGS="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -O4 -ffast-math -fsigned-char"
PROFILE="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -pg -O4 -ffast-math -fsigned-char";;
*)
DEBUG="-g -Wall -W -D__NO_MATH_INLINES -fsigned-char"
CFLAGS="-O20 -D__NO_MATH_INLINES -fsigned-char"
PROFILE="-O20 -g -pg -D__NO_MATH_INLINES -fsigned-char" ;;
esac
fi
CFLAGS="$CFLAGS $cflags_save"
dnl --------------------------------------------------
dnl Check for headers
dnl --------------------------------------------------
AC_CHECK_HEADER(memory.h,CFLAGS="$CFLAGS -DUSE_MEMORY_H",:)
dnl --------------------------------------------------
dnl Check for typedefs, structures, etc
dnl --------------------------------------------------
dnl none
dnl --------------------------------------------------
dnl Check for libraries
dnl --------------------------------------------------
AC_CHECK_LIB(m, cos, VORBIS_LIBS="-lm", VORBIS_LIBS="")
AC_CHECK_LIB(pthread, pthread_create, pthread_lib="-lpthread", :)
HAVE_OGG=no
dnl first check through pkg-config
dnl check for pkg-config itself so we don't try the m4 macro without pkg-config
AC_CHECK_PROG(HAVE_PKG_CONFIG, pkg-config, yes)
if test "x$HAVE_PKG_CONFIG" = "xyes"
then
PKG_CHECK_MODULES(OGG, ogg >= 1.0, HAVE_OGG=yes, HAVE_OGG=no)
fi
if test "x$HAVE_OGG" = "xno"
then
dnl fall back to the old school test
XIPH_PATH_OGG(, AC_MSG_ERROR(must have Ogg installed!))
libs_save=$LIBS
LIBS="$OGG_LIBS $VORBIS_LIBS"
AC_CHECK_FUNC(oggpack_writealign, , AC_MSG_ERROR(Ogg >= 1.0 required !))
LIBS=$libs_save
fi
dnl --------------------------------------------------
dnl Check for library functions
dnl --------------------------------------------------
AC_FUNC_ALLOCA
AC_FUNC_MEMCMP
dnl --------------------------------------------------
dnl Do substitutions
dnl --------------------------------------------------
AC_SUBST(VORBIS_LIBS)
AC_SUBST(DEBUG)
AC_SUBST(PROFILE)
AC_SUBST(pthread_lib)
AC_OUTPUT([
Makefile
lib/Makefile
lib/modes/Makefile
lib/books/Makefile
lib/books/coupled/Makefile
lib/books/uncoupled/Makefile
lib/books/floor/Makefile
doc/Makefile doc/vorbisfile/Makefile doc/vorbisenc/Makefile
include/Makefile include/vorbis/Makefile
examples/Makefile
vq/Makefile
libvorbis.spec
vorbis.pc
vorbisenc.pc
vorbisfile.pc
vorbis-uninstalled.pc
vorbisenc-uninstalled.pc
vorbisfile-uninstalled.pc
])
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