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#  FLAC - Free Lossless Audio Codec
#  Copyright (C) 2001,2002,2003,2004,2005,2006,2007,2008,2009  Josh Coalson
#
#  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.
#
#  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.

# NOTE that for many of the AM_CONDITIONALs we use the prefix FLaC__
# instead of FLAC__ since autoconf triggers off 'AC_' in strings

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AC_PREREQ(2.60)
AC_INIT([flac], [1.2.1])
AC_CONFIG_SRCDIR([src/flac/main.c])
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE([foreign -Wall tar-pax no-dist-gzip dist-xz subdir-objects])
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m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
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user_cflags=$CFLAGS

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#Prefer whatever the current ISO standard is.
AC_PROG_CC_STDC
AC_USE_SYSTEM_EXTENSIONS
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m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
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LT_INIT([win32-dll disable-static pic-only])
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AM_PROG_AS
AC_PROG_CXX
AC_PROG_MAKE_SET

AC_SYS_LARGEFILE
AC_FUNC_FSEEKO

AC_CHECK_SIZEOF(void*,0)
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AC_SEARCH_LIBS([lround],[m], [AC_DEFINE(HAVE_LROUND,1,lround support)])
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#@@@ new name is AC_CONFIG_HEADERS
AM_CONFIG_HEADER(config.h)

AC_LANG_PUSH(C++)
# c++ flavor first
AC_C_VARARRAYS
if test $ac_cv_c_vararrays = yes; then
	AC_DEFINE([HAVE_CXX_VARARRAYS], 1, [Define to 1 if C++ supports variable-length arrays.])
fi
AC_LANG_POP(C++)
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# c flavor
AC_HEADER_STDC
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AM_PROG_CC_C_O
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AC_C_INLINE
AC_C_VARARRAYS
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AC_C_TYPEOF
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AC_CHECK_HEADERS(stdint.h)
AC_SUBST(HAVE_STDINT_H)
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AC_CHECK_HEADERS(inttypes.h)
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AC_SUBST(HAVE_INTTYPES_H)
AC_CHECK_HEADERS(byteswap.h)
AC_SUBST(HAVE_BYTESWAP_H)
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AC_CHECK_HEADERS([sys/param.h])

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XIPH_C_BSWAP32

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XIPH_C_FIND_ENDIAN
AC_DEFINE_UNQUOTED(CPU_IS_BIG_ENDIAN, ${ac_cv_c_big_endian},
					[Target processor is big endian.])
AC_DEFINE_UNQUOTED(CPU_IS_LITTLE_ENDIAN, ${ac_cv_c_little_endian},
					[Target processor is little endian.])
AC_DEFINE_UNQUOTED(WORDS_BIGENDIAN, ${ac_cv_c_big_endian},
					[Target processor is big endian.])
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# For the XMMS plugin.
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AC_CHECK_TYPES(socklen_t, [], [])

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 "$host_cpu" in
	i*86)
		cpu_ia32=true
		AC_DEFINE(FLAC__CPU_IA32)
		AH_TEMPLATE(FLAC__CPU_IA32, [define if building for ia32/i386])
		;;
	powerpc)
		cpu_ppc=true
		AC_DEFINE(FLAC__CPU_PPC)
		AH_TEMPLATE(FLAC__CPU_PPC, [define if building for PowerPC])
		;;
	sparc)
		cpu_sparc=true
		AC_DEFINE(FLAC__CPU_SPARC)
		AH_TEMPLATE(FLAC__CPU_SPARC, [define if building for SPARC])
		;;
esac
AM_CONDITIONAL(FLaC__CPU_IA32, test "x$cpu_ia32" = xtrue)
AM_CONDITIONAL(FLaC__CPU_PPC, test "x$cpu_ppc" = xtrue)
AM_CONDITIONAL(FLaC__CPU_SPARC, test "x$cpu_sparc" = xtrue)

case "$host" in
	i386-*-openbsd3.[[0-3]]) OBJ_FORMAT=aoutb ;;
	*-*-cygwin|*mingw*) OBJ_FORMAT=win32 ;;
	*-*-darwin*) OBJ_FORMAT=macho ;;
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	*emx*) OBJ_FORMAT=aout ;;
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	*) OBJ_FORMAT=elf ;;
esac
AC_SUBST(OBJ_FORMAT)
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case "$host" in
	*-gnuspe)
		abi_spe=true
		AC_DEFINE(FLAC__CPU_PPC_SPE)
		AH_TEMPLATE(FLAC__CPU_PPC_SPE, [define if building for PowerPC with SPE ABI])
		;;
esac
AM_CONDITIONAL(FLaC__CPU_PPC_SPE, test "x$abi_spe" = xtrue)
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case "$host" in
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	*-*-cygwin|*mingw*|*emx*)
		# define this variable for enabling strict exports with libtool; for now, it's supported by Win32 and OS/2
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		LT_NO_UNDEFINED="-no-undefined"
		;;
	*)
		LT_NO_UNDEFINED=
		;;
esac
AC_SUBST(LT_NO_UNDEFINED)

case "$host" in
	*-pc-linux-gnu)
		sys_linux=true
		AC_DEFINE(FLAC__SYS_LINUX)
		AH_TEMPLATE(FLAC__SYS_LINUX, [define if building for Linux])
		;;
	*-*-darwin*)
		sys_darwin=true
		AC_DEFINE(FLAC__SYS_DARWIN)
		AH_TEMPLATE(FLAC__SYS_DARWIN, [define if building for Darwin / MacOS X])
		;;
esac
AM_CONDITIONAL(FLaC__SYS_DARWIN, test "x$sys_darwin" = xtrue)
AM_CONDITIONAL(FLaC__SYS_LINUX, test "x$sys_linux" = xtrue)

if test "x$cpu_ia32" = xtrue ; then
AC_DEFINE(FLAC__ALIGN_MALLOC_DATA)
AH_TEMPLATE(FLAC__ALIGN_MALLOC_DATA, [define to align allocated memory on 32-byte boundaries])
fi

AC_ARG_ENABLE(asm-optimizations, AC_HELP_STRING([--disable-asm-optimizations], [Don't use any assembly optimization routines]), asm_opt=no, asm_opt=yes)
dnl ' Terminate the damn single quote
AM_CONDITIONAL(FLaC__NO_ASM, test "x$asm_opt" = xno)
if test "x$asm_opt" = xno ; then
AC_DEFINE(FLAC__NO_ASM)
AH_TEMPLATE(FLAC__NO_ASM, [define to disable use of assembly code])
fi

AC_ARG_ENABLE(debug,
AC_HELP_STRING([--enable-debug], [Turn on debugging]),
[case "${enableval}" in
	yes) debug=true ;;
	no)  debug=false ;;
	*) AC_MSG_ERROR(bad value ${enableval} for --enable-debug) ;;
esac],[debug=false])
AM_CONDITIONAL(DEBUG, test "x$debug" = xtrue)

AC_ARG_ENABLE(sse,
AC_HELP_STRING([--enable-sse], [Enable SSE support by asserting that the OS supports SSE instructions]),
[case "${enableval}" in
	yes) sse_os=true ;;
	no)  sse_os=false ;;
	*) AC_MSG_ERROR(bad value ${enableval} for --enable-sse) ;;
esac],[sse_os=false])
AM_CONDITIONAL(FLaC__SSE_OS, test "x$sse_os" = xtrue)
if test "x$sse_os" = xtrue ; then
AC_DEFINE(FLAC__SSE_OS)
AH_TEMPLATE(FLAC__SSE_OS, [define if your operating system supports SSE instructions])
fi

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

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

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 ${enableval} for --enable-thorough-tests) ;;
esac],[thorough_tests=true])
AC_ARG_ENABLE(exhaustive-tests,
AC_HELP_STRING([--enable-exhaustive-tests], [Enable exhaustive testing (VERY long)]),
[case "${enableval}" in
	yes) exhaustive_tests=true ;;
	no)  exhaustive_tests=false ;;
	*) AC_MSG_ERROR(bad value ${enableval} for --enable-exhaustive-tests) ;;
esac],[exhaustive_tests=false])
if test "x$thorough_tests" = xfalse ; then
FLAC__TEST_LEVEL=0
elif test "x$exhaustive_tests" = xfalse ; then
FLAC__TEST_LEVEL=1
else
FLAC__TEST_LEVEL=2
fi
AC_SUBST(FLAC__TEST_LEVEL)

AC_ARG_ENABLE(gcc-werror,
	AC_HELP_STRING([--enable-gcc-werror], [enable -Werror in all Makefiles]))

AC_ARG_ENABLE(valgrind-testing,
AC_HELP_STRING([--enable-valgrind-testing], [Run all tests inside Valgrind]),
[case "${enableval}" in
	yes) FLAC__TEST_WITH_VALGRIND=yes ;;
	no)  FLAC__TEST_WITH_VALGRIND=no ;;
	*) AC_MSG_ERROR(bad value ${enableval} for --enable-valgrind-testing) ;;
esac],[FLAC__TEST_WITH_VALGRIND=no])
AC_SUBST(FLAC__TEST_WITH_VALGRIND)

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 ${enableval} for --enable-doxygen-docs) ;;
esac],[enable_doxygen_docs=true])
if test "x$enable_doxygen_docs" != xfalse ; then
	AC_CHECK_PROGS(DOXYGEN, doxygen)
fi
AM_CONDITIONAL(FLaC__HAS_DOXYGEN, test -n "$DOXYGEN")

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")

dnl build FLAC++ or not
AC_ARG_ENABLE([cpplibs],
AC_HELP_STRING([--disable-cpplibs], [Do not build libFLAC++]),
[case "${enableval}" in
	yes) disable_cpplibs=false ;;
	no)  disable_cpplibs=true ;;
	*)   AC_MSG_ERROR(bad value ${enableval} for --enable-cpplibs) ;;
esac], [disable_cpplibs=false])
AM_CONDITIONAL(FLaC__WITH_CPPLIBS, [test "x$disable_cpplibs" != xtrue])

dnl check for ogg library
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

AM_CONDITIONAL(FLaC__HAS_OGG, [test "x$have_ogg" = xyes])
if test "x$have_ogg" = xyes ; then
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	AC_DEFINE_UNQUOTED([FLAC__HAS_OGG],1,[define if you have the ogg library])
else
	AC_DEFINE_UNQUOTED([FLAC__HAS_OGG],0)
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fi

dnl check for i18n(internationalization); these are from libiconv/gettext
AM_ICONV
AM_LANGINFO_CODESET

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)
AH_TEMPLATE(FLAC__HAS_DOCBOOK_TO_MAN, [define if you have docbook-to-man or docbook2man])
fi

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

# only matters for PowerPC
AC_CHECK_PROGS(AS, as, as)
AC_CHECK_PROGS(GAS, gas, gas)

# 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

AM_CONDITIONAL(FLaC__HAS_AS, test "$AS" = "as")
AM_CONDITIONAL(FLaC__HAS_GAS, test "$AS" = "gas")
if test "$AS" = "as" ; then
AC_DEFINE(FLAC__HAS_AS)
AH_TEMPLATE(FLAC__HAS_AS, [define if you are compiling for PowerPC and have the 'as' assembler])
fi
if test "$AS" = "gas" ; then
# funniest. macro. ever.
AC_DEFINE(FLAC__HAS_GAS)
AH_TEMPLATE(FLAC__HAS_GAS, [define if you are compiling for PowerPC and have the 'gas' assembler])
fi

if test "x$debug" = xtrue; then
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	CPPFLAGS="-DDEBUG $CPPFLAGS"
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	CFLAGS="-g $CFLAGS"
else
	CPPFLAGS="-DNDEBUG $CPPFLAGS"
	if test "x$GCC" = xyes; then
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		if test "x$user_cflags" = x; then
			CFLAGS="-O3 -funroll-loops -Wall -W -Winline"
		fi
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	fi
fi

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XIPH_GCC_VERSION
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if test x$ac_cv_c_compiler_gnu = xyes ; then
	if test x$enable_gcc_werror = "xyes" ; then
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		CFLAGS="-Wall -Wextra -Werror $CFLAGS"
		CXXFLAGS="-Wall -Wextra -Werror $CXXFLAGS"
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	fi

Miroslav Lichvar's avatar
Miroslav Lichvar committed
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	if test "$GCC_MAJOR_VERSION" -ge 4 && test "$OBJ_FORMAT" = elf; then
		CPPFLAGS="$CPPFLAGS -DFLAC__USE_VISIBILITY_ATTR"
		CFLAGS="$CFLAGS -fvisibility=hidden"
		CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
	fi
fi

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#@@@
AM_CONDITIONAL(FLaC__HAS_AS__TEMPORARILY_DISABLED, test "yes" = "no")
AM_CONDITIONAL(FLaC__HAS_GAS__TEMPORARILY_DISABLED, test "yes" = "no")

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

  Configuration summary :

    FLAC version : ........................ ${VERSION}

    Host CPU : ............................ ${host_cpu}
    Host Vendor : ......................... ${host_vendor}
    Host OS : ............................. ${host_os}
])

if test x$ac_cv_c_compiler_gnu = xyes ; then
	echo "    Compiler is GCC : ..................... ${ac_cv_c_compiler_gnu}"
	echo "    GCC version : ......................... ${GCC_VERSION}"
	fi