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m4/mpd_depends.m4: add documentation

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Max Kellermann
2017-01-26 09:45:25 +01:00
parent add953fb6e
commit 8d4ed1e988
1 changed files with 5 additions and 0 deletions
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m4/mpd_depends.m4
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@@ -1,3 +1,8 @@
dnl Declare a dependency of one feature on another. If the depending
dnl feature is disabled, the former must be disabled as well. If the
dnl former was explicitly enabled, abort with an error message.
dnl
dnl Parameters: varname1, varname2 (=dependency), errmsg
AC_DEFUN([MPD_DEPENDS], [ AC_DEFUN([MPD_DEPENDS], [
if test x$$2 = xno; then if test x$$2 = xno; then
if test x$$1 = xauto; then if test x$$1 = xauto; then