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configure.ac
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dnl configure.ac: source for the configure script
dnl copyright by the mpg123 project - free software under the terms of the LGPL 2.1
dnl see COPYING and AUTHORS files in distribution or http://mpg123.org
dnl initially written by Nicholas J. Humfrey
dnl Require autoconf version >= 2.57
AC_PREREQ(2.57)
dnl ############# Initialisation
AC_INIT([mpg123], [1.26.0], [[email protected]])
dnl Increment API_VERSION when the API gets changes (new functions).
dnl libmpg123
API_VERSION=45
LIB_PATCHLEVEL=1
dnl libout123
OUTAPI_VERSION=2
OUTLIB_PATCHLEVEL=3
dnl libsyn123
SYNAPI_VERSION=1
SYNLIB_PATCHLEVEL=0
dnl Since we want to be backwards compatible, both sides get set to API_VERSION.
LIBMPG123_VERSION=$API_VERSION:$LIB_PATCHLEVEL:$API_VERSION
LIBOUT123_VERSION=$OUTAPI_VERSION:$OUTLIB_PATCHLEVEL:$OUTAPI_VERSION
LIBSYN123_VERSION=$SYNAPI_VERSION:$SYNLIB_PATCHLEVEL:$SYNAPI_VERSION
AC_SUBST(LIBMPG123_VERSION)
AC_SUBST(API_VERSION)
AC_SUBST(LIBOUT123_VERSION)
AC_SUBST(OUTAPI_VERSION)
AC_SUBST(LIBSYN123_VERSION)
AC_SUBST(SYNAPI_VERSION)
AC_CONFIG_SRCDIR(src/mpg123.c)
AC_CONFIG_AUX_DIR(build)
AC_CONFIG_SRCDIR(doc)
AC_CONFIG_MACRO_DIR([m4])
AC_CANONICAL_HOST
dnl Version 1.7 of automake is recommended
dnl Not sure what minimal version does not choke on sub directories.
dnl Testing with 1.14.
AM_INIT_AUTOMAKE([subdir-objects])
AC_CONFIG_HEADERS([src/config.h])
# You get strange symptoms like jack module build failing because the AC_C_CONST failed to detect the working const support.
# In that case, the test failed because -Werror, not because no const there...
# After looking again, there are possibly more tests being obscured by false failures.
AC_MSG_CHECKING([for -Werror in CFLAGS (It breaks tests)])
if echo "$CFLAGS" | grep Werror; then
AC_MSG_RESULT([yes])
AC_MSG_WARN([You have -Werror in CFLAGS. That may break some tests and make this configure bogus.
If you want paranoid compilation, use --enable-nagging option, which adds -Werror for gcc.
Also note that you shall not run make distcheck after configuring with --enable-nagging.
distcheck uses the generated CFLAGS...
Anyhow, continuing at your own risk.])
else
AC_MSG_RESULT([no])
fi
buffer=enabled # try to build with buffer by default
dnl ############# Compiler and tools Checks
LT_LDFLAGS=-export-dynamic
EXEC_LT_LDFLAGS=
be_static=no
all_static=no
lib_static=no
AC_MSG_CHECKING([if you are up to something totally static with LDFLAGS/CFLAGS])
for f in $LDFLAGS $CFLAGS
do
case "$f" in
-all-static)
be_static=yes
all_static=yes
lib_static=yes
;;
-static)
be_static=yes
lib_static=yes
;;
-static-libgcc)
lib_static=yes
;;
esac
done
if test "x$be_static" = xyes; then
AC_MSG_RESULT([yes])
LT_LDFLAGS=-all-static
EXEC_LT_LDFLAGS="$LT_LDFLAGS"
else
AC_MSG_RESULT([no])
fi
if test "x$all_static" = xyes; then
AC_MSG_WARN( Use -static in LDFLAGS for all-static linking! Your compiler may blow up on that -all-static. )
fi
AM_PROG_AS
AC_PROG_CC
AM_PROG_CC_C_O
AC_PROG_CPP
AC_PROG_INSTALL
AC_CHECK_LIBM
AC_SUBST(LIBM)
dnl "Checking for egrep is broken after removal of libltdl stuff... checks use $EGREP, so searching it here."
AC_PROG_EGREP
AC_C_CONST
AC_INLINE
AC_C_BIGENDIAN
if test "x$lib_static" = xyes; then
CC="$CC -static-libgcc"
CCLD="$CC"
echo "Adding -static-libgcc"
fi
dnl ############# Use Libtool for dynamic module loading
modules=auto
OUTPUT_OBJ="module.\$(OBJEXT)"
AC_ARG_ENABLE(modules,
[ --enable-modules=[no/yes] dynamically loadable output modules],
[
if test "x$enableval" = xyes
then
modules=enabled
else
modules=disabled
fi
],
[
if test "x$be_static" = "xyes"; then
modules=disabled
else
modules=auto
fi
])
dnl We only want shared libraries by default
AC_DISABLE_STATIC
AC_ENABLE_SHARED
if test x"$enable_shared" = xno; then
modules=disabled
LT_LDFLAGS=
else
AC_DEFINE(DYNAMIC_BUILD, 1, [ Define if building with dynamcally linked libmpg123])
fi
dnl We need the windows header also for checking the module mechanism.
AC_CHECK_HEADERS([windows.h])
case "$host" in
*-*-mingw*)
win32=yes
;;
*)
win32=no
;;
esac
if test x"$modules" = xdisabled
then
echo "Modules disabled, not checking for dynamic loading."
else
have_dl=no
dl_missing=no
# The dlopen() API is either in libc or in libdl.
if test "x$ac_cv_header_windows_h" = xyes &&
test "x$win32" = xyes; then
AC_MSG_CHECKING([if LoadLibrary should be used])
AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <windows.h>
int main() {
LoadLibraryW(0);
GetProcAddress(0, 0);
FreeLibrary(0);
}
])], [
have_dl=yes
AC_MSG_RESULT([Using LoadLibrary])
],
[AC_MSG_RESULT([no])])
else
AC_SEARCH_LIBS(dlopen, dl)
AC_SEARCH_LIBS(dlsym, dl)
AC_SEARCH_LIBS(dlclose, dl)
AC_CHECK_HEADER(dlfcn.h)
AC_CHECK_FUNCS(dlopen dlsym dlclose, [ have_dl=yes ], [ dl_missing=yes] )
fi
if test x"$dl_missing" = xyes; then
AC_MSG_WARN([Some dynamic loading functions missing.])
have_dl=no
fi
if test x"$modules" = xenabled -a x"$have_dl" = xno; then
AC_MSG_ERROR([Modules enabled but no runtime loader found! This will not work...])
fi
if test x"$modules" = xauto; then
if test x"$have_dl" = xyes; then
modules=enabled
echo "We found a runtime loader: Modules enabled."
else
echo "We did not find a runtime loader: Modules disabled."
modules=disabled
fi
fi
fi
dnl Configure libtool
AC_LIBTOOL_WIN32_DLL
AM_PROG_LIBTOOL
if test x"$modules" = xdisabled
then
echo "Modules disabled."
else
# Enable module support in source code
AC_DEFINE( USE_MODULES, 1, [Define if modules are enabled] )
# Export the module file suffix as LT_MODULE_EXT
LT_SYS_MODULE_EXT
fi
AM_CONDITIONAL( [HAVE_MODULES], [test "x$modules" = xenabled] )
AC_SUBST(LT_LDFLAGS)
AC_SUBST(EXEC_LT_LDFLAGS)
dnl ############## Configurable Options
AC_ARG_ENABLE(debug,
[ --enable-debug=[no/yes] turn on debugging],
[
if test "x$enableval" = xyes
then
debugging="enabled"
else
debugging="disabled"
fi
],
[ debugging="disabled" ]
)
AC_ARG_ENABLE(nagging,
[ --enable-nagging=[no/yes] turn on GCC's pedantic nagging with error on warnings, does not include --enable-debug anymore ],
[
if test "x$enableval" = xyes
then
nagging="enabled"
else
nagging="disabled"
fi
],
[ nagging="disabled" ]
)
if test x"$debugging" = xenabled; then
AC_DEFINE(DEBUG, 1, [ Define if debugging is enabled. ])
fi
AC_ARG_ENABLE(gapless,
[ --enable-gapless=[no/yes] turn on gapless (enabled per default)],
[
if test "x$enableval" = xyes
then
gapless="enabled"
AC_DEFINE(GAPLESS, 1, [ Define if gapless is enabled. ])
else
gapless="disabled"
fi
],
[
gapless="enabled"
AC_DEFINE(GAPLESS, 1, [ Define if gapless is enabled. ])
]
)
AC_ARG_ENABLE(fifo,
[ --enable-fifo=[no/yes] FIFO support for control interface (auto-enabled on linux) ],
[
if test "x$enableval" = xyes
then
fifo="enabled"
else
fifo="disabled"
fi
],
[
fifo="auto"
]
)
AC_ARG_ENABLE(ipv6,
[ --enable-ipv6=[no/yes] IPv6 support (actually any protocol your libc does with getaddrinfo) ],
[
if test "x$enableval" = xyes
then
ipv6="enabled"
else
ipv6="disabled"
fi
],
[
ipv6="auto"
]
)
AC_ARG_ENABLE(network,
[ --enable-network=[no/yes] network support (http streams / webradio) ],
[
if test "x$enableval" = xyes
then
network="enabled"
else
network="disabled"
fi
],
[
network="auto"
]
)
dnl Optional objects list, depends on decoder choice and core feature selection.
dnl Not just for specific decoders anymore...
s_fpu=
DECODER_OBJ=
DECODER_LOBJ=
dnl Core features that can be disabled to reduce binary size.
id3v2=enabled
AC_ARG_ENABLE(id3v2,
[ --disable-id3v2=[no/yes] no ID3v2 parsing ],
[
if test "x$enableval" = xno; then
id3v2="disabled"
fi
], [])
# id3v2 depends on strings... so check that in between.
string=enabled
AC_ARG_ENABLE(string,
[ --disable-string=[no/yes] no string API (this will disable ID3v2; main mpg123 won't build anymore) ],
[
if test "x$enableval" = xno; then
string="disabled"
fi
], [])
if test "x$string" = "xdisabled"; then
AC_DEFINE(NO_STRING, 1, [ Define to disable string functions. ])
id3v2=disabled
AC_MSG_WARN([ID3v2 support disabled because of string API being disabled.])
else
DECODER_OBJ="$DECODER_OBJ stringbuf.\$(OBJEXT)"
DECODER_LOBJ="$DECODER_LOBJ stringbuf.lo"
fi
if test "x$id3v2" = "xdisabled"; then
AC_DEFINE(NO_ID3V2, 1, [ Define to disable ID3v2 parsing. ])
fi
icy=enabled
AC_ARG_ENABLE(icy,
[ --disable-icy=[no/yes] no ICY metainfo parsing/conversion (main mpg123 won't build!) ],
[
if test "x$enableval" = xno; then
icy="disabled"
fi
], [])
if test "x$icy" = "xdisabled"; then
AC_DEFINE(NO_ICY, 1, [ Define to disable ICY handling. ])
else
DECODER_OBJ="$DECODER_OBJ icy.\$(OBJEXT) icy2utf8.\$(OBJEXT)"
DECODER_LOBJ="$DECODER_LOBJ icy.lo icy2utf8.lo"
fi
ntom=enabled
AC_ARG_ENABLE(ntom,
[ --disable-ntom=[no/yes] no flexible resampling ],
[
if test "x$enableval" = xno; then
ntom="disabled"
fi
], [])
if test "x$ntom" = "xdisabled"; then
AC_DEFINE(NO_NTOM, 1, [ Define to disable ntom resampling. ])
else
DECODER_OBJ="$DECODER_OBJ ntom.\$(OBJEXT)"
DECODER_LOBJ="$DECODER_LOBJ ntom.lo"
fi
downsample=enabled
AC_ARG_ENABLE(downsample,
[ --disable-downsample=[no/yes] no downsampled decoding ],
[
if test "x$enableval" = xno; then
downsample="disabled"
fi
], [])
if test "x$downsample" = "xdisabled"; then
AC_DEFINE(NO_DOWNSAMPLE, 1, [ Define to disable downsampled decoding. ])
fi
feeder=enabled
AC_ARG_ENABLE(feeder,
[ --disable-feeder=[no/yes] no feeder decoding, no buffered readers ],
[
if test "x$enableval" = xno; then
feeder="disabled"
fi
], [])
if test "x$feeder" = "xdisabled"; then
AC_DEFINE(NO_FEEDER, 1, [ Define to disable feeder and buffered readers. ])
fi
moreinfo=enabled
AC_ARG_ENABLE(moreinfo,
[ --disable-moreinfo=[no/yes] no extra information for frame analyzers ],
[
if test "x$enableval" = xno; then
moreinfo="disabled"
fi
], [])
if test "x$moreinfo" = "xdisabled"; then
AC_DEFINE(NO_MOREINFO, 1, [ Define to disable analyzer info. ])
fi
messages=enabled
AC_ARG_ENABLE(messages,
[ --disable-messages=[no/yes] no error/warning messages on the console ],
[
if test "x$enableval" = xno; then
messages="disabled"
fi
], [])
if test "x$messages" = "xdisabled"; then
AC_DEFINE(NO_WARNING, 1, [ Define to disable warning messages. ])
AC_DEFINE(NO_ERRORMSG, 1, [ Define to disable error messages. ])
AC_DEFINE(NO_ERETURN, 1, [ Define to disable error messages in combination with a return value (the return is left intact). ])
fi
newhuff=enabled
AC_ARG_ENABLE(new-huffman,
[ --enable-new-huffman=[yes/no] use new huffman decoding scheme by Taihei (faster on modern CPUs at least, so on by default) ],
[
if test "x$enableval" = xno; then
newhuff=disabled
fi
]
, [])
if test "x$newhuff" = "xenabled"; then
AC_DEFINE(USE_NEW_HUFFTABLE, 1, [ Define for new Huffman decoding scheme. ])
fi
integers=quality
AC_ARG_ENABLE(int-quality,
[ --enable-int-quality=[yes/no] use rounding instead of fast truncation for integer output, where possible ],
[
if test "x$enableval" = xno; then
integers=fast
fi
], [])
if test $integers = quality; then
AC_DEFINE(ACCURATE_ROUNDING, 1, [ Define to use proper rounding. ])
fi
int16=enabled
AC_ARG_ENABLE(16bit,
[ --disable-16bit=[no/yes] no 16 bit integer output ],
[
if test "x$enableval" = xno; then
int16="disabled"
fi
], [])
int8=enabled
AC_ARG_ENABLE(8bit,
[ --disable-8bit=[no/yes] no 8 bit integer output ],
[
if test "x$enableval" = xno; then
int8="disabled"
fi
], [])
int32=enabled
AC_ARG_ENABLE(32bit,
[ --disable-32bit=[no/yes] no 32 bit integer output (also 24 bit) ],
[
if test "x$enableval" = xno; then
int32="disabled"
fi
], [])
real=enabled
AC_ARG_ENABLE(real,
[ --disable-real=[no/yes] no real (floating point) output ],
[
if test "x$enableval" = xno; then
real="disabled"
fi
], [])
equalizer=enabled
AC_ARG_ENABLE(equalizer,
[ --disable-equalizer=[no/yes] no equalizer support ],
[
if test "x$enableval" = xno; then
equalizer="disabled"
fi
], [])
AC_ARG_WITH([cpu], [
--with-cpu=generic[[_fpu]] Use generic processor code with floating point arithmetic
--with-cpu=generic_float Plain alias to generic_fpu now... float output is a normal runtime option!
--with-cpu=generic_nofpu Use generic processor code with fixed point arithmetic (p.ex. ARM)
--with-cpu=generic_dither Use generic processor code with floating point arithmetic and dithering for 1to1 16bit decoding.
--with-cpu=i386[[_fpu]] Use code optimized for i386 processors with floating point arithmetic
--with-cpu=i386_nofpu Use code optimized for i386 processors with fixed point arithmetic
--with-cpu=i486 Use code optimized for i486 processors (only usable alone!)
--with-cpu=i586 Use code optimized for i586 processors
--with-cpu=i586_dither Use code optimized for i586 processors with dithering (noise shaping), adds 256K to binary size
--with-cpu=3dnow Use code optimized for 3DNow processors
--with-cpu=3dnow_vintage Use code optimized for older 3DNow processors (K6 family)
--with-cpu=3dnowext Use code optimized for 3DNowExt processors (K6-3+, Athlon)
--with-cpu=3dnowext_alone Really only 3DNowExt decoder, without 3DNow fallback for flexible rate
--with-cpu=3dnow_vintage Use code optimized for older extended 3DNow processors (like K6-III+)
--with-cpu=mmx Use code optimized for MMX processors
--with-cpu=mmx_alone Really only MMX decoder, without i586 fallback for flexible rate
--with-cpu=sse Use code optimized for SSE processors
--with-cpu=sse_vintage Use code optimized for older SSE processors (plain C DCT36)
--with-cpu=sse_alone Really only SSE decoder, without i586 fallback for flexible rate
--with-cpu=avx Use code optimized for x86-64 with AVX processors
--with-cpu=x86 Pack all x86 opts into one binary (excluding i486, including dither)
--with-cpu=x86-64 Use code optimized for x86-64 processors (AMD64 and Intel64, including AVX and dithered generic)
--with-cpu=altivec Use code optimized for Altivec processors (PowerPC G4 and G5)
--with-cpu=ppc_nofpu Use code optimized for PowerPC processors with fixed point arithmetic
--with-cpu=neon Use code optimized for ARM NEON SIMD engine (Cortex-A series)
--with-cpu=arm_fpu Pack neon and generic[[_dither]] decoders, for ARM processors with FPU and/or NEON
--with-cpu=arm_nofpu Use code optimized for ARM processors with fixed point arithmetic
--with-cpu=neon64 Use code optimized for AArch64 NEON SIMD engine
--with-cpu=aarch64 Pack neon64 and generic[[_dither]] decoders, for 64bit ARM processors
])
use_yasm=auto
AC_ARG_ENABLE(yasm,
[ --enable-yasm=[no/yes] enforce yasm instad of default assembler for some optimizations (AVX, currently) ],
[
if test "x$enableval" = xyes; then
use_yasm="enabled"
else
use_yasm="disabled"
fi
], [])
AC_ARG_ENABLE(ieeefloat,
[ --enable-ieeefloat=[yes/no] use special hackery relying on IEEE 754 floating point storage format (to accurately round to 16 bit integer at bit more efficiently in generic decoder, enabled by default, disable in case you have a very special computer) ],
[
if test "x$enableval" = xyes; then
ieee=enabled
else
ieee=disabled
fi
], [ ieee=enabled ])
if test "x$ieee" = xenabled; then
echo "We assume IEEE754 floating point format."
AC_DEFINE(IEEE_FLOAT, 1, [ Define to indicate that float storage follows IEEE754. ])
fi
AC_ARG_ENABLE(cases,
[ --enable-cases=[yes/no] include special cases for likely parameter values (channel count, encoding sizes in libsyn123 routines) in the hope of better optimization at the expense of some code bloat (default enabled) ],
[
if test "x$enableval" = xyes; then
specialcases=enabled
else
specialcases=disabled
fi
], [ specialcases=enabled ])
if test "x$specialcases" = xdisabled; then
AC_DEFINE(SYN123_NO_CASES, 1, [ Define to not duplicate some code for likely cases in libsyn123. ])
fi
sys_cppflags=
newoldwritesample=disabled
case $host in
aarch64-*linux*|arm64-*linux*|aarch64-*bsd*|arm64-*bsd*|aarch64-apple-darwin*|arm64-apple-darwin*)
cpu_type="aarch64"
;;
arm*-*-linux*-*eabihf|armv7hl*-*-linux*)
cpu_type="arm_fpu"
;;
arm*-*-linux*)
# check that... perhaps we are better off on arm with kernel math emulation
cpu_type="arm_nofpu"
;;
armv7*-apple-darwin*)
cpu_type="arm_fpu"
;;
i386-*-linux*|i386-*-kfreebsd*-gnu)
cpu_type="i386_fpu"
newoldwritesample=enabled
;;
i486-*-linux*|i486-*-kfreebsd*-gnu)
cpu_type="i486"
newoldwritesample=enabled
;;
i586-*-linux*|i586-*-kfreebsd*-gnu)
cpu_type="x86"
newoldwritesample=enabled
;;
i686-*-linux*|i686-*-kfreebsd*-gnu)
cpu_type="x86"
newoldwritesample=enabled
;;
x86_64-*-linux*|x86_64-*-kfreebsd*-gnu)
cpu_type="x86-64"
;;
*-*-linux*|*-*-kfreebsd*-gnu)
cpu_type="generic_fpu"
;;
i?86-apple-darwin10*)
AC_MSG_CHECKING([if CPU type supports x86-64])
case `sysctl -n hw.optional.x86_64` in
1)
AC_MSG_RESULT([yes])
cpu_type="x86-64"
;;
*)
AC_MSG_RESULT([no])
cpu_type="x86"
newoldwritesample=enabled
;;
esac
;;
i?86-apple-darwin*)
cpu_type="x86"
newoldwritesample=enabled
;;
x86_64-apple-darwin*)
cpu_type="x86-64"
;;
*-apple-darwin*)
AC_MSG_CHECKING([if CPU type supports AltiVec])
case `machine` in
ppc7400 | ppc7450 | ppc970)
AC_MSG_RESULT([yes])
cpu_type="altivec"
;;
*)
AC_MSG_RESULT([no])
cpu_type="generic_fpu"
;;
esac
;;
i?86-*-dragonfly* | i?86-*-freebsd* | i?86-*-midnightbsd* | i?86-*-mirbsd* | i?86-*-netbsd* | i?86-*-openbsd* | i?86-*-haiku*)
cpu_type="x86"
newoldwritesample=enabled
;;
x86_64-*-dragonfly* | x86_64-*-freebsd* | x86_64-*-midnightbsd* | x86_64-*-mirbsd* | x86_64-*-netbsd* | x86_64-*-openbsd* | x86_64-*-haiku*)
cpu_type="x86-64"
;;
*-*-dragonfly* | *-*-freebsd* | *-*-midnightbsd* | *-*-mirbsd* | *-*-netbsd* | *-*-openbsd*)
cpu_type="generic_fpu"
;;
i386-*-solaris*)
cpu_type=x86
newoldwritesample=enabled
;;
x86_64-*-solaris*)
cpu_type=x86-64
;;
*-*-solaris*)
cpu_type="generic_fpu"
;;
# os2-emx = OS/2 with some Unix fun; so p.ex. buffer works.
# Till we sorted out the assembler troubles, generic CPU is default.
i386-pc-os2-emx)
cpu_type=generic_fpu
newoldwritesample=enabled
;;
x86_64-pc-os2-emx)
# We are optimistic hat the future knows OS/2 on x86-64;-)
cpu_type=generic_fpu
;;
*-pc-os2-emx)
cpu_type="generic_fpu"
;;
*-dec-osf*)
cpu_type="generic_fpu"
;;
x86_64-*-cygwin*)
cpu_type="x86-64"
;;
i686-*-cygwin*)
cpu_type="x86"
newoldwritesample=enabled
;;
i586-*-cygwin*)
cpu_type="x86"
newoldwritesample=enabled
;;
i486-*-cygwin*)
cpu_type="i486"
newoldwritesample=enabled
;;
i386-*-cygwin*)
cpu_type="i386"
newoldwritesample=enabled
;;
*-cygwin*)
cpu_type="generic_fpu"
;;
i@<:@3-7@:>@86-*-mingw32*)
LIBS="$LIBS"
buffer=disabled
cpu_type="x86"
newoldwritesample=enabled
;;
x86_64-*-mingw32*)
LIBS="$LIBS"
buffer=disabled
cpu_type="x86-64"
;;
i386-*-nto-qnx*)
cpu_type="x86"
newoldwritesample=enabled
;;
*-ibm-aix*)
AC_MSG_WARN([AIX system detected. You might want to --disable-largefile when trouble about conflicting types for lseek64 and friends occurs.])
# Altivec instead? It is developed for MacOS ...
cpu_type=generic_fpu
# no struct winsize without _ALL_SOURCE
sys_cppflags=-D_ALL_SOURCE
;;
i386-*)
AC_MSG_WARN([Unknown host operating system])
cpu_type="i386"
buffer=disabled
sys_cppflags=-DGENERIC
newoldwritesample=enabled
;;
i486-*)
AC_MSG_WARN([Unknown host operating system])
cpu_type="i486"
buffer=disabled
sys_cppflags=-DGENERIC
newoldwritesample=enabled
;;
i586-*)
AC_MSG_WARN([Unknown host operating system])
cpu_type="x86"
buffer=disabled
sys_cppflags=-DGENERIC
newoldwritesample=enabled
;;
i686-*)
AC_MSG_WARN([Unknown host operating system])
cpu_type="x86"
buffer=disabled
sys_cppflags=-DGENERIC
newoldwritesample=enabled
;;
x86_64-*)
AC_MSG_WARN([Unknown host operating system])
cpu_type="x86-64"
buffer=disabled
sys_cppflags=-DGENERIC
;;
*)
AC_MSG_WARN([Unknown host operating system])
cpu_type="generic_fpu"
buffer=disabled
sys_cppflags=-DGENERIC
;;
esac
AC_ARG_ENABLE(buffer,
[ --enable-buffer=[yes/no] disable audio buffer code (default uses system whitelist... proper checks later) ],
[
if test "x$enableval" = xyes
then
echo "Note: Enabling buffer per request... perhaps it will not build anyway."
buffer="enabled"
else
echo "Note: Disabling buffer per request."
buffer="disabled"
fi
]
)
AC_ARG_ENABLE(newoldwritesample,
[ --enable-newoldwritesample=[no/yes] enable new/old WRITE_SAMPLE macro for non-accurate 16 bit output, faster on certain CPUs (default on on x86-32)],
[
if test "x$enableval" = xyes
then
newoldwritesample=enabled
else
newoldwritesample=disabled
fi
])
dnl Did user choose other CPU type ?
if test "x$with_cpu" != "x"; then
cpu_type=$with_cpu
fi
# Flag for 32 bit synth output or post-processing.
case "$cpu_type" in
*_nofpu)
synth32=false
AC_DEFINE(NO_SYNTH32, 1, [ Define for post-processed 32 bit formats. ])
;;
*)
synth32=true
;;
esac
if test "x$int16" = "xdisabled"; then
AC_DEFINE(NO_16BIT, 1, [ Define to disable 16 bit integer output. ])
else
DECODER_OBJ="$DECODER_OBJ synth.\$(OBJEXT)"
DECODER_LOBJ="$DECODER_LOBJ synth.lo"
fi
# 8bit works only through 16bit
if test "x$int16" = "xdisabled"; then
int8=disabled
fi
if test "x$int8" = "xdisabled"; then
AC_DEFINE(NO_8BIT, 1, [ Define to disable 8 bit integer output. ])
else
DECODER_OBJ="$DECODER_OBJ synth_8bit.\$(OBJEXT)"
DECODER_LOBJ="$DECODER_LOBJ synth_8bit.lo"
fi
if test "x$int32" = "xdisabled"; then
AC_DEFINE(NO_32BIT, 1, [ Define to disable 32 bit and 24 bit integer output. ])
else
if $synth32; then
s_fpu="$s_fpu synth_s32"
fi
fi
if test "x$real" = "xdisabled"; then
AC_DEFINE(NO_REAL, 1, [ Define to disable real output. ])
else
if $synth32; then
s_fpu="$s_fpu synth_real"
fi
fi
if test "x$equalizer" = "xdisabled"; then
AC_DEFINE(NO_EQUALIZER, 1, [ Define to disable equalizer. ])
fi
layer1=enabled
AC_ARG_ENABLE(layer1,
[ --disable-layer1=[no/yes] no layer I decoding ],
[
if test "x$enableval" = xno; then
layer1="disabled"
fi
], [])
if test "x$layer1" = "xdisabled"; then
AC_DEFINE(NO_LAYER1, 1, [ Define to disable layer I. ])
else
# layer1 needs code in layer2
DECODER_OBJ="$DECODER_OBJ layer1.\$(OBJEXT) layer2.\$(OBJEXT)"
DECODER_LOBJ="$DECODER_LOBJ layer1.lo layer2.lo"
fi
layer2=enabled
AC_ARG_ENABLE(layer2,
[ --disable-layer2=[no/yes] no layer II decoding ],
[
if test "x$enableval" = xno; then
layer2="disabled"
fi
], [])
if test "x$layer2" = "xdisabled"; then
AC_DEFINE(NO_LAYER2, 1, [ Define to disable layer II. ])
else
# layer1 may have added the objects already
if test "x$layer1" = "xdisabled"; then
DECODER_OBJ="$DECODER_OBJ layer2.\$(OBJEXT)"
DECODER_LOBJ="$DECODER_LOBJ layer2.lo"
fi
fi
layer3=enabled
AC_ARG_ENABLE(layer3,
[ --disable-layer3=[no/yes] no layer III decoding ],
[
if test "x$enableval" = xno; then
layer3="disabled"
fi
], [])
if test "x$layer3" = "xdisabled"; then
AC_DEFINE(NO_LAYER3, 1, [ Define to disable layer III. ])
else
DECODER_OBJ="$DECODER_OBJ layer3.\$(OBJEXT)"
DECODER_LOBJ="$DECODER_LOBJ layer3.lo"
fi
AC_ARG_WITH([audio], [
--with-audio=<list of modules> Select a list (or only one) of audio output modules (comma or space separated list).
])
AC_ARG_WITH([default-audio], [
--with-default-audio=aix Use AIX as default audio output sub-system
--with-default-audio=alib Use Alib as default audio output sub-system (for HPUX)
--with-default-audio=alsa Use ALSA as default audio output sub-system (libasound)
--with-default-audio=tinyalsa Use ALSA as default audio output sub-system (tinyalsa)
--with-default-audio=arts Use aRts as default audio output sub-system (KDE sound server)
--with-default-audio=dummy Use dummy as default audio (when no sound card is available)
--with-default-audio=esd Use ESoundD as default audio output sub-system
--with-default-audio=hp Use HP as default audio output sub-system
--with-default-audio=jack Use JACK as default low-latency audio server
--with-default-audio=coreaudio Use Mac OS X as default audio output sub-system (CoreAudio)
--with-default-audio=mint Use MinT as default audio output sub-system (Atari)
--with-default-audio=nas Use NAS as default audio output (Network Audio System)
--with-default-audio=os2 Use OS2 as default audio output sub-system
--with-default-audio=oss Use OSS as default audio output sub-system (/dev/dsp)
--with-default-audio=portaudio Use PortAudio as default audio output sub-system
--with-default-audio=pulse Use Pulse audio server as default audio output sub-system
--with-default-audio=qsa Use QSA as default audio output sub-system
--with-default-audio=sdl Use SDL as default audio output sub-system (Simple DirectMedia Layer)
--with-default-audio=sgi Use SGI as default audio output sub-system (IRIX)
--with-default-audio=sndio Use OpenBSD's sndio as default audio output sub-system
--with-default-audio=sun Use Sun as default audio output sub-system (/dev/audio)
--with-default-audio=win32 Use Win32 audio as default audio output sub-system
--with-default-audio=win32_wasapi Use Win32 wasapi audio as default audio output sub-system
])
AC_ARG_WITH([optimization], [
--with-optimization=0 No Optimization
--with-optimization=1 Limited Optimization (-O) (for gcc)
--with-optimization=2 Default Optimization (-O2 ...) (for gcc)
--with-optimization=3 More Optimize than default (-O3 ...) (for gcc)
--with-optimization=4 Optimize yet more (-O4 ...) (for gcc)
])
AC_ARG_WITH([seektable], [
--with-seektable=<size> choose size of seek index table (0 disables it), default 1000
])
dnl ############## Modules
# Dummy audio output module is always supported
output_modules="dummy"
dnl ############## Assembler, compiler properties
# based on posting from John Dalgliesh <[email protected]> on ffmpeg (LGPL) mailing list
# extended to use balign if present
AC_MSG_CHECKING([if .balign is present])
echo '.balign 4' > conftest.s
if $CCAS -c -o conftest.o conftest.s 1>/dev/null 2>&1; then
AC_MSG_RESULT([yes])
AC_DEFINE(ASMALIGN_BALIGN, 1, [ Define if .balign is present. ])
else
AC_MSG_RESULT([no])
# find if .align arg is power-of-two or not
asmalign_exp="unknown"
if test x"$asmalign_exp" = xunknown; then
AC_MSG_CHECKING([if .align takes 2-exponent])
asmalign_exp="no"
echo '.align 3' > conftest.s
if $CCAS -c -o conftest.o conftest.s 1>/dev/null 2>&1; then
asmalign_exp="yes"
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
rm -f conftest.o conftest.s