2017-01-26 09:45:25 +01:00
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dnl Declare a dependency of one feature on another. If the depending
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dnl feature is disabled, the former must be disabled as well. If the
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dnl former was explicitly enabled, abort with an error message.
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dnl
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2017-01-26 09:58:34 +01:00
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dnl Parameters: varname1, varname2 (=dependency), description, errmsg
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2014-10-24 23:43:21 +02:00
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AC_DEFUN([MPD_DEPENDS], [
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if test x$$2 = xno; then
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if test x$$1 = xauto; then
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2017-01-26 09:58:34 +01:00
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AC_MSG_WARN([$4: disabling $3])
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2014-10-24 23:43:21 +02:00
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$1=no
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elif test x$$1 = xyes; then
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2017-01-26 09:58:34 +01:00
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AC_MSG_ERROR([$3: $4])
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2014-10-24 23:43:21 +02:00
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fi
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fi
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])
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