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AC_DEFUN([MPD_AUTO_ENABLED], [
if test x$[]enable_$1 = xauto; then
AC_MSG_NOTICE([auto-detected $2])
enable_$1=yes
fi
])
AC_DEFUN([MPD_AUTO_DISABLED], [
if test x$[]enable_$1 = xauto; then
AC_MSG_WARN([$3 -- disabling $2])
enable_$1=no
elif test x$[]enable_$1 = xyes; then
AC_MSG_ERROR([$2: $3])
fi
])
dnl Check whether a prerequisite for a feature was found. This is
dnl very similar to MPD_AUTO_RESULT, but does not finalize the
dnl detection; it assumes that more checks will follow.
AC_DEFUN([MPD_AUTO_PRE], [
if test x$[]enable_$1 != xno && test x$[]found_$1 = xno; then
MPD_AUTO_DISABLED([$1], [$2], [$3])
fi
])
AC_DEFUN([MPD_AUTO_RESULT], [
if test x$[]enable_$1 = xno; then
found_$1=no
fi
if test x$[]found_$1 = xyes; then
MPD_AUTO_ENABLED([$1], [$2])
else
MPD_AUTO_DISABLED([$1], [$2], [$3])
fi
])
dnl Parameters: varname1, description, errmsg, check
AC_DEFUN([MPD_AUTO], [
if test x$[]enable_$1 != xno; then
$4
fi
MPD_AUTO_RESULT([$1], [$2], [$3])
])
AC_DEFUN([MPD_AUTO_PKG], [
MPD_AUTO([$1], [$4], [$5],
[PKG_CHECK_MODULES([$2], [$3],
[found_$1=yes],
[found_$1=no])])
])
dnl Check with pkg-config first, fall back to AC_CHECK_LIB.
dnl
dnl Parameters: varname1, varname2, pkgname, libname, symname, libs, cflags, description, errmsg
AC_DEFUN([MPD_AUTO_PKG_LIB], [
MPD_AUTO([$1], [$8], [$9],
[PKG_CHECK_MODULES([$2], [$3],
[found_$1=yes],
AC_CHECK_LIB($4, $5,
[found_$1=yes $2_LIBS='$6' $2_CFLAGS='$7'],
[found_$1=no],
[$6]))])
])
dnl Wrapper for AC_CHECK_LIB.
dnl
dnl Parameters: varname1, varname2, libname, symname, libs, cflags, description, errmsg
AC_DEFUN([MPD_AUTO_LIB], [
AC_SUBST([$2_LIBS], [])
AC_SUBST([$2_CFLAGS], [])
MPD_AUTO([$1], [$7], [$8],
[AC_CHECK_LIB($3, $4,
[found_$1=yes $2_LIBS='$5' $2_CFLAGS='$6'],
[found_$1=no],
[$5])])
])
AC_DEFUN([MPD_FORMAT_DEFAULT],
[ifelse([$1], [], [auto],
index([$1], [$]), [-1], [$1],
[auto])])
dnl Wrapper for AC_ARG_ENABLE and MPD_AUTO_PKG
dnl
dnl Parameters: varname1, varname2, pkg, description, errmsg, default, pre
AC_DEFUN([MPD_ENABLE_AUTO_PKG], [
AC_ARG_ENABLE(translit([$1], [_], [-]),
AS_HELP_STRING([--enable-]translit([$1], [_], [-]),
[enable $4 (default: ]MPD_FORMAT_DEFAULT([$6])[)]),,
[enable_$1=]ifelse([$6], [], [auto], [$6]))
$7
MPD_AUTO_PKG($1, $2, $3, $4, $5)
if test x$[]enable_$1 = xyes; then
AC_DEFINE(ENABLE_$2, 1,
[Define to enable $4])
fi
AM_CONDITIONAL(ENABLE_$2, test x$[]enable_$1 = xyes)
])
dnl Wrapper for AC_ARG_ENABLE and MPD_AUTO_PKG_LIB
dnl
dnl Parameters: varname1, varname2, pkg, libname, symname, libs, cflags, description, errmsg, default, pre
AC_DEFUN([MPD_ENABLE_AUTO_PKG_LIB], [
AC_ARG_ENABLE(translit([$1], [_], [-]),
AS_HELP_STRING([--enable-]translit([$1], [_], [-]),
[enable $4 (default: ]MPD_FORMAT_DEFAULT([$10])[)]),,
[enable_$1=]ifelse([$10], [], [auto], [$10]))
$11
MPD_AUTO_PKG_LIB($1, $2, $3, $4, $5, $6, $7, $8, $9)
if test x$[]enable_$1 = xyes; then
AC_DEFINE(ENABLE_$2, 1,
[Define to enable $4])
fi
AM_CONDITIONAL(ENABLE_$2, test x$[]enable_$1 = xyes)
])
dnl Wrapper for MPD_ENABLE_AUTO_PKG and MPD_DEPENDS
dnl
dnl Parameters: varname1, varname2, pkg, description, errmsg, default, dep_variable, dep_errmsg
AC_DEFUN([MPD_ENABLE_AUTO_PKG_DEPENDS], [
MPD_ENABLE_AUTO_PKG([$1], [$2], [$3], [$4], [$5], [$6],
[MPD_DEPENDS([enable_$1], [$7], [$8])])
])
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