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AC_DEFUN([MPD_AUTO_ENABLED], [
if test x$[]enable_$1 = xauto; then
AC_MSG_NOTICE([auto-detected $2])
enable_$1=no
fi
])
AC_DEFUN([MPD_AUTO_DISABLED], [
if test x$[]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], [$3])
fi
])
AC_DEFUN([MPD_AUTO_PKG], [
if test x$[]enable_$1 != xno; then
PKG_CHECK_MODULES([$2], [$3],
[found_$1=yes],
[found_$1=no])
fi
MPD_AUTO_RESULT([$1], [$4], [$5])
])
dnl Check with pkg-config first, fall back to AC_CHECK_LIB.
dnl
dnl Parameters: varname1, varname2, pkgname, libname, symname, libs, cflags, description, errmsg
AC_DEFUN([MPD_AUTO_PKG_LIB], [
if test x$[]enable_$1 != xno; then
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]))
fi
MPD_AUTO_RESULT([$1], [$8], [$9])
])
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([$2_CFLAGS], [])
if test x$[]enable_$1 != xno; then
AC_CHECK_LIB($3, $4,
[found_$1=yes $2_LIBS='$5' $2_CFLAGS='$6'],
[found_$1=no],
[$5])
fi
MPD_AUTO_RESULT([$1], [$7], [$8])
])
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