mirror of
https://github.com/alsa-project/alsa-utils
synced 2024-11-09 17:45:41 +01:00
de7c3eff0e
Add minimal systemd and udev support to alsactl so that mixer settings are restored at boot, when sound cards are plugged in and saved on shutdown. This is similar to existing udev/init script solutions in various distributions. Note that alsactl is called both synchronously from the udev rules as well as asynchronously at boot. This is intended, and to ensure two things: - At boot the asound.state file might not be readable, since it resides on a different file system. That means exclusively restoring sound card settings from udev rules will no suffice, since if the rule is executed at early boot (for example within udev settle) then the file will no be readable and cannot be restored. - We need to ensure that applications monitoring sound cards coming and going (such as PA) must not get these events before the mixer settings have been restored. That means the mixer settings must be restored synchronously withing the udev rules, before the events are passed on to the apps. That basically means we need to restore the settings once in udev, to deal with sound cards becoming available during runtime. And once in early boot to deal with coldplugged soundcards whose data files might not have been available at time of plugging. Hence we call alsactl twice: one from the udev rule, and once from he systemd unit file. Signed-off-by: Lennart Poettering <mznyfn@0pointer.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
301 lines
9.9 KiB
Text
301 lines
9.9 KiB
Text
dnl Process this file with autoconf to produce a configure script.
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AC_PREREQ(2.59)
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AC_INIT(aplay/aplay.c)
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AC_PREFIX_DEFAULT(/usr)
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AM_INIT_AUTOMAKE(alsa-utils, 1.0.23)
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AM_GNU_GETTEXT([external])
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AM_GNU_GETTEXT_VERSION([0.15])
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dnl Checks for programs.
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dnl try to gues cross-compiler if not set
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if test "x$target" != "x$host" -a -z "`echo $CC | grep -e '-gcc'`";
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then
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AC_MSG_CHECKING(for cross-compiler)
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which ${program_prefix}gcc >/dev/null 2>&1 && CC=${program_prefix}gcc
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which ${target_cpu}-${target_os}-gcc >/dev/null 2>&1 \
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&& CC=${target_cpu}-${target-os}-gcc
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which ${target_cpu}-${target_vendor}-${target_os}-gcc >/dev/null 2>&1 \
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&& CC=${target_cpu}-${target_vendor}-${target_os}-gcc
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AC_MSG_RESULT($CC)
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fi
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AC_PROG_CC
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dnl AC_PROG_CXX
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AC_PROG_INSTALL
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AC_PROG_MKDIR_P
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AC_PROG_LN_S
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AM_PATH_ALSA(1.0.16)
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dnl Check components
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AC_CHECK_HEADERS([alsa/pcm.h], [have_pcm="yes"], [have_pcm="no"],
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[#include <alsa/asoundlib.h>])
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AC_CHECK_HEADERS([alsa/mixer.h], [have_mixer="yes"], [have_mixer="no"],
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[#include <alsa/asoundlib.h>])
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AC_CHECK_HEADERS([alsa/rawmidi.h], [have_rawmidi="yes"], [have_rawmidi="no"],
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[#include <alsa/asoundlib.h>])
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AC_CHECK_HEADERS([alsa/seq.h], [have_seq="yes"], [have_seq="no"],
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[#include <alsa/asoundlib.h>])
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AC_CHECK_HEADERS([samplerate.h], [have_samplerate="yes"], [have_samplerate="no"],
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[#include <samplerate.h>])
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AM_CONDITIONAL(HAVE_PCM, test "$have_pcm" = "yes")
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AM_CONDITIONAL(HAVE_MIXER, test "$have_mixer" = "yes")
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AM_CONDITIONAL(HAVE_RAWMIDI, test "$have_rawmidi" = "yes")
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AM_CONDITIONAL(HAVE_SEQ, test "$have_seq" = "yes")
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AM_CONDITIONAL(HAVE_SAMPLERATE, test "$have_samplerate" = "yes")
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dnl Check for librt
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LIBRT=""
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AC_MSG_CHECKING(for librt)
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AC_ARG_WITH(librt,
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AS_HELP_STRING([--with-librt], [Use librt for monotonic clock (default = yes)]),
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[ have_librt="$withval" ], [ have_librt="yes" ])
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if test "$have_librt" = "yes"; then
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AC_CHECK_LIB([rt], [clock_gettime], [HAVE_LIBRT="yes"])
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if test "$HAVE_LIBRT" = "yes" ; then
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LIBRT="-lrt"
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AC_DEFINE([HAVE_LIBRT], 1, [Have librt])
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AC_DEFINE([HAVE_CLOCK_GETTIME], 1, [Have clock gettime])
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fi
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else
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AC_MSG_RESULT(no)
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fi
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dnl Disable alsamixer
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CURSESINC=""
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CURSESLIB=""
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CURSES_CFLAGS=""
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alsamixer=
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if test "$have_mixer" = "yes"; then
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AC_ARG_ENABLE(alsamixer,
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[ --disable-alsamixer Disable alsamixer compilation],
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[case "${enableval}" in
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yes) alsamixer=true ;;
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no) alsamixer=false ;;
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*) AC_MSG_ERROR(bad value ${enableval} for --enable-alsamixer) ;;
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esac],[alsamixer=true])
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fi
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AM_CONDITIONAL(ALSAMIXER, test x$alsamixer = xtrue)
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dnl Disable alsaconf
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AC_ARG_ENABLE(alsaconf,
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[ --disable-alsaconf Disable alsaconf packaging],
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[case "${enableval}" in
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yes) alsaconf=true ;;
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no) alsaconf=false ;;
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*) AC_MSG_ERROR(bad value ${enableval} for --enable-alsaconf) ;;
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esac],[alsaconf=true])
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AM_CONDITIONAL(ALSACONF, test x$alsaconf = xtrue)
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dnl Disable alsaloop
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AC_ARG_ENABLE(alsaloop,
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[ --disable-alsaloop Disable alsaloop packaging],
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[case "${enableval}" in
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yes) alsaloop=true ;;
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no) alsaloop=false ;;
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*) AC_MSG_ERROR(bad value ${enableval} for --enable-alsaloop) ;;
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esac],[alsaloop=true])
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AM_CONDITIONAL(ALSALOOP, test x$alsaloop = xtrue)
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xmlto=""
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if test x"$alsaconf" = xtrue; then
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AC_ARG_ENABLE(xmlto,
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AS_HELP_STRING([--disable-xmlto], [Disable man page creation via xmlto]),
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xmlto="$enableval", xmlto="yes")
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if test "$xmlto" = "yes"; then
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AC_CHECK_PROG([xmlto], [xmlto], [yes])
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fi
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fi
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AM_CONDITIONAL(USE_XMLTO, test x"$xmlto" = xyes)
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dnl Checks for header files.
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AC_HEADER_STDC
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if test x$alsamixer = xtrue; then
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AC_ARG_WITH(curses,
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[ --with-curses libname Specify the curses library to use (default=auto)],
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curseslib="$withval",
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curseslib="auto")
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CURSESLIBDIR=""
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NCURSESLIBSUFFIX=""
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CURSES_NLS="no"
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if test "$curseslib" = "ncursesw" -o \( "$curseslib" = "auto" -a "$USE_NLS" = "yes" \); then
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AC_CHECK_PROG([ncursesw5_config], [ncursesw5-config], [yes])
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if test "$ncursesw5_config" = "yes"; then
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CURSESINC="<ncurses.h>"
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CURSESLIB=`ncursesw5-config --libs`
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CURSESLIBDIR=`ncursesw5-config --libdir`
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CURSES_CFLAGS=`ncursesw5-config --cflags`
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curseslib="ncursesw"
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else
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AC_CHECK_LIB(ncursesw, initscr,
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[ CURSESINC='<ncurses.h>'; CURSESLIB='-lncursesw'; curseslib="ncursesw"])
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fi
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if test -n "$CURSESINC"; then
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NCURSESLIBSUFFIX="w"
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CURSES_NLS="yes"
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fi
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fi
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if test "$curseslib" = "ncurses" -o "$curseslib" = "auto"; then
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AC_CHECK_PROG([ncurses5_config], [ncurses5-config], [yes])
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if test "$ncurses5_config" = "yes"; then
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CURSESINC="<ncurses.h>"
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CURSESLIB=`ncurses5-config --libs`
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CURSESLIBDIR=`ncurses5-config --libdir`
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CURSES_CFLAGS=`ncurses5-config --cflags`
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curseslib="ncurses"
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else
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AC_CHECK_LIB(ncurses, initscr,
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[ CURSESINC='<ncurses.h>'; CURSESLIB='-lncurses'; curseslib="ncurses"])
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fi
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fi
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if test "$curseslib" = "curses" -o "$curseslib" = "auto"; then
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AC_CHECK_LIB(curses, initscr,
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[ CURSESINC='<curses.h>'; CURSESLIB='-lcurses'; curseslib="curses"])
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fi
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if test -z "$CURSESINC"; then
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AC_MSG_ERROR(this packages requires a curses library)
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fi
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AC_MSG_CHECKING([for curses library])
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AC_MSG_RESULT([$curseslib])
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AC_MSG_CHECKING([for curses header name])
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AC_MSG_RESULT([$CURSESINC])
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AC_MSG_CHECKING([for curses compiler flags])
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AC_MSG_RESULT([$CURSES_CFLAGS])
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dnl CURSESLIBS might have the library path at the beginning. If so, we cut it
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dnl off so that we can insert the other curses libraries before the ncurses
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dnl library but after the library path (which is later again prepended below).
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if test -n "$CURSESLIBDIR"; then
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if test "-L$CURSESLIBDIR " = "$(echo $CURSESLIB | cut -c-$((${#CURSESLIBDIR}+3)) )"; then
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CURSESLIB="$(echo $CURSESLIB | cut -c$((${#CURSESLIBDIR}+4))-)"
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fi
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fi
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saved_CFLAGS="$CFLAGS"
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saved_LDFLAGS="$LDFLAGS"
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saved_LIBS="$LIBS"
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CFLAGS="$CFLAGS $CURSES_CFLAGS"
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if test -n "$CURSESLIBDIR"; then
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LDFLAGS="$LDFLAGS -L$CURSESLIBDIR"
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fi
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LIBS="$CURSESLIB $LIBS"
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AC_TRY_LINK([#include <panel.h>], [set_escdelay(100);],[HAVE_CURSES_ESCDELAY="yes"])
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if test "$HAVE_CURSES_ESCDELAY" = "yes"; then
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AC_DEFINE([HAVE_CURSES_ESCDELAY], 1, [Have curses set_escdelay])
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fi
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if test "$USE_NLS" = "yes"; then
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AC_MSG_CHECKING([for curses NLS support])
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dnl In theory, a single-byte curses works just fine in ISO 8859-* locales.
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dnl In practice, however, everybody uses UTF-8 nowadays, so we'd better
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dnl check for wide-character support.
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dnl For ncurses/ncursesw, CURSES_NLS was already set above.
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if test "$curseslib" = "curses"; then
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AC_TRY_LINK([
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#define _XOPEN_SOURCE 1
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#define _XOPEN_SOURCE_EXTENDED 1
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#include <curses.h>
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], [
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cchar_t wc;
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setcchar(&wc, L"x", A_NORMAL, 0, 0);
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],
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[CURSES_NLS="yes"])
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fi
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AC_MSG_RESULT([$CURSES_NLS])
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if test "$CURSES_NLS" = "yes"; then
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AC_DEFINE([ENABLE_NLS_IN_CURSES], [1],
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[Define if curses-based programs can show translated messages.])
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fi
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fi
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AC_CHECK_HEADERS([panel.h menu.h form.h], [],
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[AC_MSG_ERROR([required curses helper header not found])])
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AC_CHECK_LIB([panel$NCURSESLIBSUFFIX], [new_panel],
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[CURSESLIB="-lpanel$NCURSESLIBSUFFIX $CURSESLIB"],
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[AC_MSG_ERROR([panel$NCURSESLIBSUFFIX library not found])])
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AC_CHECK_LIB([menu$NCURSESLIBSUFFIX], [new_menu],
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[CURSESLIB="-lmenu$NCURSESLIBSUFFIX $CURSESLIB"],
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[AC_MSG_ERROR([menu$NCURSESLIBSUFFIX library not found])])
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AC_CHECK_LIB([form$NCURSESLIBSUFFIX], [new_form],
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[CURSESLIB="-lform$NCURSESLIBSUFFIX $CURSESLIB"],
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[AC_MSG_ERROR([form$NCURSESLIBSUFFIX library not found])])
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CFLAGS="$saved_CFLAGS"
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LDFLAGS="$saved_LDFLAGS"
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LIBS="$saved_LIBS"
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if test -n "$CURSESLIBDIR"; then
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CURSESLIB="-L$CURSESLIBDIR $CURSESLIB"
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fi
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AC_MSG_CHECKING([for curses linker flags])
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AC_MSG_RESULT([$CURSESLIB])
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fi
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AC_SUBST(CURSESINC)
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AC_SUBST(CURSESLIB)
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AC_SUBST(CURSES_CFLAGS)
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test "x$prefix" = xNONE && prefix=$ac_default_prefix
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eval dir="$datadir"
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case "$dir" in
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/*) ;;
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*) dir="$prefix/share"
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esac
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soundsdir="$dir/sounds/alsa"
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AC_DEFINE_UNQUOTED(SOUNDSDIR, "$soundsdir", [directory containing sample data])
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mydatadir="$dir/alsa"
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AC_DEFINE_UNQUOTED(DATADIR, "$mydatadir", [directory containing alsa configuration])
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AC_ARG_WITH(testsound,
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[ --with-testsound=file give the path of test sound file for alsaconf],
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TESTSOUND="$withval",
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TESTSOUND="$dir/test.wav")
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AC_SUBST(TESTSOUND)
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AM_CONFIG_HEADER(include/aconfig.h)
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dnl Checks for typedefs, structures, and compiler characteristics.
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AC_C_CONST
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AC_C_INLINE
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AC_HEADER_TIME
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dnl Checks for library functions.
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AC_PROG_GCC_TRADITIONAL
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dnl Enable largefile support
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AC_SYS_LARGEFILE
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SAVE_UTIL_VERSION
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AC_SUBST(LIBRT)
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dnl Check for systemd
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PKG_PROG_PKG_CONFIG
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AC_ARG_WITH([systemdsystemunitdir],
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AS_HELP_STRING([--with-systemdsystemunitdir=DIR], [Directory for systemd service files]),
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[], [with_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)])
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if test "x$with_systemdsystemunitdir" != xno; then
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AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])
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fi
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AM_CONDITIONAL(HAVE_SYSTEMD, [test -n "$with_systemdsystemunitdir" -a "x$with_systemdsystemunitdir" != xno ])
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AC_OUTPUT(Makefile alsactl/Makefile alsactl/init/Makefile \
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alsamixer/Makefile amidi/Makefile amixer/Makefile \
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m4/Makefile po/Makefile.in \
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alsaconf/alsaconf alsaconf/Makefile \
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alsaconf/po/Makefile \
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aplay/Makefile include/Makefile iecset/Makefile utils/Makefile \
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utils/alsa-utils.spec seq/Makefile seq/aconnect/Makefile \
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seq/aplaymidi/Makefile seq/aseqdump/Makefile seq/aseqnet/Makefile \
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speaker-test/Makefile speaker-test/samples/Makefile \
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alsaloop/Makefile)
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