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configure.ac
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dnl Process this file with autoconf to produce a configure script
dnl ------------------------------------------------
dnl Initialization and Versioning
dnl ------------------------------------------------
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_SRCDIR([lib/mdct.c])
AC_CANONICAL_TARGET([])
AM_INIT_AUTOMAKE
AM_MAINTAINER_MODE
dnl Add parameters for aclocal
AC_SUBST(ACLOCAL_AMFLAGS, "-I m4")
dnl Library versioning
dnl - library source changed -> increment REVISION
dnl - interfaces added/removed/changed -> increment CURRENT, REVISION = 0
dnl - interfaces added -> increment AGE
dnl - interfaces removed -> AGE = 0
V_LIB_CURRENT=4
V_LIB_REVISION=8
V_LIB_AGE=4
VF_LIB_CURRENT=6
VF_LIB_REVISION=7
VF_LIB_AGE=3
VE_LIB_CURRENT=2
VE_LIB_REVISION=11
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="$cflags_save"
AC_C_INLINE
AC_LIBTOOL_WIN32_DLL
AC_PROG_LIBTOOL
AM_PROG_CC_C_O
dnl Check for doxygen
if test "x$enable_docs" = xyes; then
AC_CHECK_PROG(HAVE_DOXYGEN, doxygen, true, false)
if test $HAVE_DOXYGEN = "false"; then
AC_MSG_WARN([*** doxygen not found, API documentation will not be built])
fi
else
HAVE_DOXYGEN=false
fi
AM_CONDITIONAL(HAVE_DOXYGEN,$HAVE_DOXYGEN)
dnl latex tools for the specification document
AC_ARG_ENABLE(docs,
AC_HELP_STRING([--enable-docs], [build the documentation]))
if test "x$enable_docs" = xyes; then
AC_CHECK_PROGS([PDFLATEX], pdflatex, [/bin/false])
AC_CHECK_PROGS([HTLATEX], htlatex, [/bin/false])
if test "x$PDFLATEX" = x/bin/false || test "x$HTLATEX" = x/bin/false; then
enable_docs=no
AC_MSG_WARN([Documentation will not be built!])
fi
fi
AM_CONDITIONAL(BUILD_DOCS, [test "x$enable_docs" = xyes])
AC_ARG_ENABLE(examples,
AS_HELP_STRING([--enable-examples], [build the examples]))
AM_CONDITIONAL(BUILD_EXAMPLES, [test "x$enable_examples" = xyes])
dnl --------------------------------------------------
dnl Set build flags based on environment
dnl --------------------------------------------------
dnl Set some target options
cflags_save="$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 -Wextra -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
CFLAGS="-O3 -ffast-math -mno-ieee-fp -D_REENTRANT -fsigned-char"
# PROFILE="-Wall -Wextra -pg -g -O3 -ffast-math -D_REENTRANT -fsigned-char -fno-inline -static"
PROFILE="-Wall -Wextra -pg -g -O3 -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 ${bad} = "yes" ;then
AC_MSG_WARN([ ])
AC_MSG_WARN([********************************************************])
AC_MSG_WARN([* The glibc headers on this machine have a serious bug *])
AC_MSG_WARN([* in /usr/include/bits/mathinline.h This bug affects *])
AC_MSG_WARN([* all floating point code, not just Ogg, built on this *])
AC_MSG_WARN([* machine. Upgrading to glibc 2.1.3 is strongly urged *])
AC_MSG_WARN([* to correct the problem. Note that upgrading glibc *])
AC_MSG_WARN([* will not fix any previously built programs; this is *])
AC_MSG_WARN([* a compile-time bug. *])
AC_MSG_WARN([* To work around the problem for this build of Ogg, *])
AC_MSG_WARN([* autoconf is disabling all math inlining. This will *])
AC_MSG_WARN([* hurt Ogg performace but is necessary for an Ogg that *])
AC_MSG_WARN([* will actually work. Once glibc is upgraded, rerun *])
AC_MSG_WARN([* configure and make to build with inlining. *])
AC_MSG_WARN([********************************************************])
AC_MSG_WARN([ ])
CFLAGS=${OPT}" -D__NO_MATH_INLINES"
PROFILE=${PROFILE}" -D__NO_MATH_INLINES"
fi;;
powerpc-*-linux*spe)
DEBUG="-g -Wall -Wextra -D_REENTRANT -D__NO_MATH_INLINES"
CFLAGS="-O3 -Wall -Wextra -ffast-math -mfused-madd -D_REENTRANT"
PROFILE="-pg -g -O3 -ffast-math -mfused-madd -D_REENTRANT";;
powerpc-*-linux*)
DEBUG="-g -Wall -Wextra -D_REENTRANT -D__NO_MATH_INLINES"
CFLAGS="-O3 -Wall -Wextra -ffast-math -mfused-madd -mcpu=750 -D_REENTRANT"
PROFILE="-pg -g -O3 -ffast-math -mfused-madd -mcpu=750 -D_REENTRANT";;
*-*-linux*)
DEBUG="-g -Wall -Wextra -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
CFLAGS="-O3 -Wall -Wextra -ffast-math -D_REENTRANT -fsigned-char"
PROFILE="-pg -g -O3 -ffast-math -D_REENTRANT -fsigned-char";;
sparc-sun-*)
sparc_cpu=""
AC_MSG_CHECKING([if gcc supports -mv8])
old_cflags="$CFLAGS"
CFLAGS="$CFLAGS -mv8"
AC_TRY_COMPILE(, [return 0;], [
AC_MSG_RESULT([yes])
sparc_cpu="-mv8"
])
CFLAGS="$old_cflags"
DEBUG="-g -Wall -Wextra -D__NO_MATH_INLINES -fsigned-char $sparc_cpu"
CFLAGS="-O3 -Wall -Wextra -ffast-math -D__NO_MATH_INLINES -fsigned-char $sparc_cpu"
PROFILE="-pg -g -O3 -D__NO_MATH_INLINES -fsigned-char $sparc_cpu" ;;
*-*-darwin*)
DEBUG="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -O0 -fsigned-char"
CFLAGS="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -O3 -ffast-math -fsigned-char"
PROFILE="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -pg -O3 -ffast-math -fsigned-char";;
*-*-os2*)
# Use -W instead of -Wextra because gcc on OS/2 is an old version.
DEBUG="-g -Wall -W -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
CFLAGS="-O3 -Wall -W -ffast-math -D_REENTRANT -fsigned-char"
PROFILE="-pg -g -O3 -ffast-math -D_REENTRANT -fsigned-char";;
*)
DEBUG="-g -Wall -Wextra -D__NO_MATH_INLINES -fsigned-char"
CFLAGS="-O3 -Wall -Wextra -D__NO_MATH_INLINES -fsigned-char"
PROFILE="-O3 -g -pg -D__NO_MATH_INLINES -fsigned-char" ;;
esac
AC_ADD_CFLAGS([-Wdeclaration-after-statement])
fi
CFLAGS="$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", :)
PKG_PROG_PKG_CONFIG
HAVE_OGG=no
if test "x$PKG_CONFIG" != "x"
then
PKG_CHECK_MODULES(OGG, ogg >= 1.0, HAVE_OGG=yes, HAVE_OGG=no)
fi
if test "x$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)
dnl The following line causes the libtool distributed with the source
dnl to be replaced if the build system has a more recent version.
AC_SUBST(LIBTOOL_DEPS)
AC_CONFIG_FILES([
Makefile
m4/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 doc/libvorbis/Makefile
doc/Doxyfile
include/Makefile include/vorbis/Makefile
examples/Makefile
test/Makefile
vq/Makefile
libvorbis.spec
vorbis.pc
vorbisenc.pc
vorbisfile.pc
vorbis-uninstalled.pc
vorbisenc-uninstalled.pc
vorbisfile-uninstalled.pc
])
AC_CONFIG_HEADERS([config.h])
AC_OUTPUT