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#  FLAC - Free Lossless Audio Codec
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#  Copyright (C) 2001,2002,2003,2004,2005,2006,2007  Josh Coalson
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#
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#  This file is part the FLAC project.  FLAC is comprised of several
#  components distributed under difference licenses.  The codec libraries
#  are distributed under Xiph.Org's BSD-like license (see the file
#  COPYING.Xiph in this distribution).  All other programs, libraries, and
#  plugins are distributed under the GPL (see COPYING.GPL).  The documentation
#  is distributed under the Gnu FDL (see COPYING.FDL).  Each file in the
#  FLAC distribution contains at the top the terms under which it may be
#  distributed.
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#
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#  Since this particular file is relevant to all components of FLAC,
#  it may be distributed under the Xiph.Org license, which is the least
#  restrictive of those mentioned above.  See the file COPYING.Xiph in this
#  distribution.
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# NOTE that for many of the AM_CONDITIONALs we use the prefix FLaC__
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# instead of FLAC__ since autoconf triggers off 'AC_' in strings

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AC_INIT(src/flac/main.c)
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AM_INIT_AUTOMAKE(flac, 1.2.0)
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# Don't automagically regenerate autoconf/automake generated files unless
# explicitly requested.  Eases autobuilding -mdz
AM_MAINTAINER_MODE

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# We need two libtools, one that builds both shared and static, and
# one that builds only static.  This is because the resulting libtool
# does not allow us to choose which to build at runtime.
AM_PROG_LIBTOOL
sed -e 's/^build_old_libs=yes/build_old_libs=no/' libtool > libtool-disable-static
chmod +x libtool-disable-static

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AC_SUBST(ACLOCAL_AMFLAGS, "-I m4")

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AM_PROG_AS
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AC_PROG_CXX
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AC_PROG_MAKE_SET

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AC_SYS_LARGEFILE
AC_FUNC_FSEEKO

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AC_CHECK_SIZEOF(void*,0)

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#@@@ new name is AC_CONFIG_HEADERS
AM_CONFIG_HEADER(config.h)

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AC_C_BIGENDIAN

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AC_CHECK_TYPES(socklen_t, [], [])

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dnl check for getopt in standard library
dnl AC_CHECK_FUNCS(getopt_long , , [LIBOBJS="$LIBOBJS getopt.o getopt1.o"] )
AC_CHECK_FUNCS(getopt_long, [], [])

case "$host_cpu" in
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	i*86)
		cpu_ia32=true
		AC_DEFINE(FLAC__CPU_IA32)
		AH_TEMPLATE(FLAC__CPU_IA32, [define if building for ia32/i386])
		;;
	powerpc)
		cpu_ppc=true
		AC_DEFINE(FLAC__CPU_PPC)
		AH_TEMPLATE(FLAC__CPU_PPC, [define if building for PowerPC])
		;;
	sparc)
		cpu_sparc=true
		AC_DEFINE(FLAC__CPU_SPARC)
		AH_TEMPLATE(FLAC__CPU_SPARC, [define if building for SPARC])
		;;
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esac
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AM_CONDITIONAL(FLaC__CPU_IA32, test "x$cpu_ia32" = xtrue)
AM_CONDITIONAL(FLaC__CPU_PPC, test "x$cpu_ppc" = xtrue)
AM_CONDITIONAL(FLaC__CPU_SPARC, test "x$cpu_sparc" = xtrue)
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case "$host" in
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	i386-*-openbsd3.[[0-3]]) OBJ_FORMAT=aoutb ;;
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	*-*-cygwin|*mingw*) OBJ_FORMAT=win32 ;;
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	*-*-darwin*) OBJ_FORMAT=macho ;;
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	*) OBJ_FORMAT=elf ;;
esac
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AC_SUBST(OBJ_FORMAT)
case "$host" in
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	*-pc-linux-gnu)
		sys_linux=true
		AC_DEFINE(FLAC__SYS_LINUX)
		AH_TEMPLATE(FLAC__SYS_LINUX, [define if building for Linux])
		;;
	*-*-darwin*)
		sys_darwin=true
		AC_DEFINE(FLAC__SYS_DARWIN)
		AH_TEMPLATE(FLAC__SYS_DARWIN, [define if building for Darwin / MacOS X])
		;;
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esac
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AM_CONDITIONAL(FLaC__SYS_DARWIN, test "x$sys_darwin" = xtrue)
AM_CONDITIONAL(FLaC__SYS_LINUX, test "x$sys_linux" = xtrue)
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if test "x$cpu_ia32" = xtrue ; then
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AC_DEFINE(FLAC__ALIGN_MALLOC_DATA)
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AH_TEMPLATE(FLAC__ALIGN_MALLOC_DATA, [define to align allocated memory on 32-byte boundaries])
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fi
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AC_ARG_ENABLE(asm-optimizations, AC_HELP_STRING([--disable-asm-optimizations], [Don't use any assembly optimization routines]), asm_opt=no, asm_opt=yes)
AM_CONDITIONAL(FLaC__NO_ASM, test "x$asm_opt" = xno)
if test "x$asm_opt" = xno ; then
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AC_DEFINE(FLAC__NO_ASM)
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AH_TEMPLATE(FLAC__NO_ASM, [define to disable use of assembly code])
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fi
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AC_ARG_ENABLE(debug,
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AC_HELP_STRING([--enable-debug], [Turn on debugging]),
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[case "${enableval}" in
	yes) debug=true ;;
	no)  debug=false ;;
	*) AC_MSG_ERROR(bad value ${enableval} for --enable-debug) ;;
esac],[debug=false])
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AM_CONDITIONAL(DEBUG, test "x$debug" = xtrue)
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AC_ARG_ENABLE(sse,
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AC_HELP_STRING([--enable-sse], [Enable SSE support by asserting that the OS supports SSE instructions]),
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[case "${enableval}" in
	yes) sse_os=true ;;
	no)  sse_os=false ;;
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	*) AC_MSG_ERROR(bad value ${enableval} for --enable-sse) ;;
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esac],[sse_os=false])
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AM_CONDITIONAL(FLaC__SSE_OS, test "x$sse_os" = xtrue)
if test "x$sse_os" = xtrue ; then
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AC_DEFINE(FLAC__SSE_OS)
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AH_TEMPLATE(FLAC__SSE_OS, [define if your operating system supports SSE instructions])
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fi

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AC_ARG_ENABLE(3dnow,
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AC_HELP_STRING([--disable-3dnow], [Disable 3DNOW! optimizations]),
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[case "${enableval}" in
	yes) use_3dnow=true ;;
	no)  use_3dnow=false ;;
	*) AC_MSG_ERROR(bad value ${enableval} for --enable-3dnow) ;;
esac],[use_3dnow=true])
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AM_CONDITIONAL(FLaC__USE_3DNOW, test "x$use_3dnow" = xtrue)
if test "x$use_3dnow" = xtrue ; then
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AC_DEFINE(FLAC__USE_3DNOW)
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AH_TEMPLATE(FLAC__USE_3DNOW, [define to enable use of 3Dnow! instructions])
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fi

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AC_ARG_ENABLE(altivec,
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AC_HELP_STRING([--disable-altivec], [Disable Altivec optimizations]),
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[case "${enableval}" in
	yes) use_altivec=true ;;
	no)  use_altivec=false ;;
	*) AC_MSG_ERROR(bad value ${enableval} for --enable-altivec) ;;
esac],[use_altivec=true])
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AM_CONDITIONAL(FLaC__USE_ALTIVEC, test "x$use_altivec" = xtrue)
if test "x$use_altivec" = xtrue ; then
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AC_DEFINE(FLAC__USE_ALTIVEC)
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AH_TEMPLATE(FLAC__USE_ALTIVEC, [define to enable use of Altivec instructions])
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fi

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AC_ARG_ENABLE(thorough-tests,
AC_HELP_STRING([--disable-thorough-tests], [Disable thorough (long) testing, do only basic tests]),
[case "${enableval}" in
	yes) thorough_tests=true ;;
	no)  thorough_tests=false ;;
	*) AC_MSG_ERROR(bad value ${enableval} for --enable-thorough-tests) ;;
esac],[thorough_tests=true])
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AC_ARG_ENABLE(exhaustive-tests,
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AC_HELP_STRING([--enable-exhaustive-tests], [Enable exhaustive testing (VERY long)]),
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[case "${enableval}" in
	yes) exhaustive_tests=true ;;
	no)  exhaustive_tests=false ;;
	*) AC_MSG_ERROR(bad value ${enableval} for --enable-exhaustive-tests) ;;
esac],[exhaustive_tests=false])
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if test "x$thorough_tests" = xfalse ; then
FLAC__TEST_LEVEL=0
elif test "x$exhaustive_tests" = xfalse ; then
FLAC__TEST_LEVEL=1
else
FLAC__TEST_LEVEL=2
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fi
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AC_SUBST(FLAC__TEST_LEVEL)
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AC_ARG_ENABLE(valgrind-testing,
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AC_HELP_STRING([--enable-valgrind-testing], [Run all tests inside Valgrind]),
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[case "${enableval}" in
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	yes) FLAC__TEST_WITH_VALGRIND=yes ;;
	no)  FLAC__TEST_WITH_VALGRIND=no ;;
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	*) AC_MSG_ERROR(bad value ${enableval} for --enable-valgrind-testing) ;;
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esac],[FLAC__TEST_WITH_VALGRIND=no])
AC_SUBST(FLAC__TEST_WITH_VALGRIND)
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AC_ARG_ENABLE(doxygen-docs,
AC_HELP_STRING([--disable-doxygen-docs], [Disable API documentation building via Doxygen]),
[case "${enableval}" in
	yes) enable_doxygen_docs=true ;;
	no)  enable_doxygen_docs=false ;;
	*) AC_MSG_ERROR(bad value ${enableval} for --enable-doxygen-docs) ;;
esac],[enable_doxygen_docs=true])
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if test "x$enable_doxygen_docs" != xfalse ; then
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	AC_CHECK_PROGS(DOXYGEN, doxygen)
fi
AM_CONDITIONAL(FLaC__HAS_DOXYGEN, test -n "$DOXYGEN")

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AC_ARG_ENABLE(local-xmms-plugin,
AC_HELP_STRING([--enable-local-xmms-plugin], [Install XMMS plugin to ~/.xmms/Plugins instead of system location]),
[case "${enableval}" in
	yes) install_xmms_plugin_locally=true ;;
	no)  install_xmms_plugin_locally=false ;;
	*) AC_MSG_ERROR(bad value ${enableval} for --enable-local-xmms-plugin) ;;
esac],[install_xmms_plugin_locally=false])
AM_CONDITIONAL(FLaC__INSTALL_XMMS_PLUGIN_LOCALLY, test "x$install_xmms_plugin_locally" = xtrue)

AC_ARG_ENABLE(xmms-plugin,
AC_HELP_STRING([--disable-xmms-plugin], [Do not build XMMS plugin]),
[case "${enableval}" in
	yes) enable_xmms_plugin=true ;;
	no)  enable_xmms_plugin=false ;;
	*) AC_MSG_ERROR(bad value ${enableval} for --enable-xmms-plugin) ;;
esac],[enable_xmms_plugin=true])
if test "x$enable_xmms_plugin" != xfalse ; then
	AM_PATH_XMMS(0.9.5.1, , AC_MSG_WARN([*** XMMS >= 0.9.5.1 not installed - XMMS support will not be built]))
fi
AM_CONDITIONAL(FLaC__HAS_XMMS, test -n "$XMMS_INPUT_PLUGIN_DIR")

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dnl check for ogg library
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AC_ARG_ENABLE([ogg],
	AC_HELP_STRING([--disable-ogg], [Disable ogg support (default: test for libogg)]),
	[ want_ogg=$enableval ], [ want_ogg=yes ] )

if test "x$want_ogg" != "xno"; then
	XIPH_PATH_OGG(have_ogg=yes, AC_MSG_WARN([*** Ogg development enviroment not installed - Ogg support will not be built]))
fi
 
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AM_CONDITIONAL(FLaC__HAS_OGG, [test "x$have_ogg" = xyes])
if test "x$have_ogg" = xyes ; then
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AC_DEFINE(FLAC__HAS_OGG)
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AH_TEMPLATE(FLAC__HAS_OGG, [define if you have the ogg library])
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fi
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dnl check for i18n(internationalization); these are from libiconv/gettext
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AM_ICONV
AM_LANGINFO_CODESET

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AC_CHECK_PROGS(DOCBOOK_TO_MAN, docbook-to-man docbook2man)
AM_CONDITIONAL(FLaC__HAS_DOCBOOK_TO_MAN, test -n "$DOCBOOK_TO_MAN")
if test -n "$DOCBOOK_TO_MAN" ; then
AC_DEFINE(FLAC__HAS_DOCBOOK_TO_MAN)
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AH_TEMPLATE(FLAC__HAS_DOCBOOK_TO_MAN, [define if you have docbook-to-man or docbook2man])
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fi

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# only matters for x86
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AC_CHECK_PROGS(NASM, nasm)
AM_CONDITIONAL(FLaC__HAS_NASM, test -n "$NASM")
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if test -n "$NASM" ; then
AC_DEFINE(FLAC__HAS_NASM)
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AH_TEMPLATE(FLAC__HAS_NASM, [define if you are compiling for x86 and have the NASM assembler])
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fi
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# only matters for PowerPC
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AC_CHECK_PROGS(AS, as, as)
AC_CHECK_PROGS(GAS, gas, gas)

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# try -v (apple as) and --version (gas) at the same time
test "$AS" = "as" && as --version -v < /dev/null 2>&1 | grep Apple >/dev/null || AS=gas
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AM_CONDITIONAL(FLaC__HAS_AS, test "$AS" = "as")
AM_CONDITIONAL(FLaC__HAS_GAS, test "$AS" = "gas")
if test "$AS" = "as" ; then
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AC_DEFINE(FLAC__HAS_AS)
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AH_TEMPLATE(FLAC__HAS_AS, [define if you are compiling for PowerPC and have the 'as' assembler])
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fi
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if test "$AS" = "gas" ; then
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# funniest. macro. ever.
AC_DEFINE(FLAC__HAS_GAS)
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AH_TEMPLATE(FLAC__HAS_GAS, [define if you are compiling for PowerPC and have the 'gas' assembler])
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fi

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OUR_CFLAGS_HEAD='-I$(top_builddir) -I$(srcdir)/include -I$(top_srcdir)/include'
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if test "x$debug" = xtrue; then
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	OUR_CFLAGS_HEAD="$OUR_CFLAGS_HEAD -g -DDEBUG"
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else
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	OUR_CFLAGS_HEAD="$OUR_CFLAGS_HEAD -DNDEBUG"
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	if test "x$GCC" = xyes; then
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		OUR_CFLAGS_HEAD="$OUR_CFLAGS_HEAD -O3 -funroll-loops -finline-functions -Wall -W -Winline -DFLaC__INLINE=__inline__"
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	fi
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fi
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CFLAGS="$OUR_CFLAGS_HEAD $CFLAGS"
CXXFLAGS="$OUR_CFLAGS_HEAD $CXXFLAGS"
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#@@@
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AM_CONDITIONAL(FLaC__HAS_AS__TEMPORARILY_DISABLED, test "yes" = "no")
AM_CONDITIONAL(FLaC__HAS_GAS__TEMPORARILY_DISABLED, test "yes" = "no")

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AC_CONFIG_FILES([ \
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	Makefile \
	src/Makefile \
	src/libFLAC/Makefile \
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	src/libFLAC/flac.pc \
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	src/libFLAC/ia32/Makefile \
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	src/libFLAC/ppc/Makefile \
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	src/libFLAC/ppc/as/Makefile \
	src/libFLAC/ppc/gas/Makefile \
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	src/libFLAC/include/Makefile \
	src/libFLAC/include/private/Makefile \
	src/libFLAC/include/protected/Makefile \
	src/libFLAC++/Makefile \
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	src/libFLAC++/flac++.pc \
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	src/flac/Makefile \
	src/metaflac/Makefile \
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	src/monkeys_audio_utilities/Makefile \
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	src/monkeys_audio_utilities/flac_mac/Makefile \
	src/monkeys_audio_utilities/flac_ren/Makefile \
	src/plugin_common/Makefile \
	src/plugin_winamp2/Makefile \
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	src/plugin_winamp2/include/Makefile \
	src/plugin_winamp2/include/winamp2/Makefile \
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	src/plugin_xmms/Makefile \
	src/share/Makefile \
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	src/share/getopt/Makefile \
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	src/share/grabbag/Makefile \
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	src/share/replaygain_analysis/Makefile \
	src/share/replaygain_synthesis/Makefile \
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	src/share/replaygain_synthesis/include/Makefile \
	src/share/replaygain_synthesis/include/private/Makefile \
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	src/share/utf8/Makefile \
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	src/test_grabbag/Makefile \
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	src/test_grabbag/cuesheet/Makefile \
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	src/test_grabbag/picture/Makefile \
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	src/test_libs_common/Makefile \
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	src/test_libFLAC/Makefile \
	src/test_libFLAC++/Makefile \
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	src/test_seeking/Makefile \
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	src/test_streams/Makefile \
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	include/Makefile \
	include/FLAC/Makefile \
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	include/FLAC++/Makefile \
	include/share/Makefile \
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	include/share/grabbag/Makefile \
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	include/test_libs_common/Makefile \
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	doc/Makefile \
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	doc/html/Makefile \
	doc/html/images/Makefile \
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	doc/html/images/hw/Makefile \
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	doc/html/ru/Makefile \
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	m4/Makefile \
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	man/Makefile \
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	test/Makefile \
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	test/cuesheets/Makefile \
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	test/flac-to-flac-metadata-test-files/Makefile \
	test/metaflac-test-files/Makefile \
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	test/pictures/Makefile \
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	build/Makefile \
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	obj/Makefile \
	obj/debug/Makefile \
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	obj/debug/bin/Makefile \
	obj/debug/lib/Makefile \
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	obj/release/Makefile \
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	obj/release/bin/Makefile \
	obj/release/lib/Makefile \
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])
AC_OUTPUT