K 10
svn:author
V 5
cazfi
K 8
svn:date
V 27
2013-01-05T12:24:05.974609Z
K 7
svn:log
V 400
Give additional m4-directories with AC_CONFIG_MACRO_DIRS too if autoconf
version is new enough for the macro to exist. They remain in ACLOCAL_AMFLAGS
too for supporting older autotools versions where that was correct way to do
it. So this works in both autotools so old that AC_CONFIG_MACRO_DIRS does not
exist, and so new (=future) versions where ACLOCAL_AMFLAGS has no effect.

See gna patch #3585

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