Set a xy_given variable for a --enable/disable-xy option
authorMartin Willi <martin@revosec.ch>
Thu, 11 Mar 2010 07:50:12 +0000 (08:50 +0100)
committerMartin Willi <martin@revosec.ch>
Thu, 11 Mar 2010 07:50:12 +0000 (08:50 +0100)
commit81e9e75940204b366adf07c7cc2dca84f2056228
treec078f8b9fa18f9dc405fec9cf08286134a8e8fb1
parenta3920abb76707df5b743a687692c703729a313d8
Set a xy_given variable for a --enable/disable-xy option

This additional variable allows a check if an option was
explicitly given or implicitly set using the default.
m4/macros/enable-disable.m4