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1 dnl @synopsis AC_DEFINE_DIR(VARNAME, DIR [, DESCRIPTION])
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2 dnl
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3 dnl This macro sets VARNAME to the expansion of the DIR variable,
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4 dnl taking care of fixing up ${prefix} and such.
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5 dnl
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6 dnl VARNAME is then offered as both an output variable and a C
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7 dnl preprocessor symbol.
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8 dnl
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9 dnl Example:
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10 dnl
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11 dnl AC_DEFINE_DIR([DATADIR], [datadir], [Where data are placed to.])
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12 dnl
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13 dnl @category Misc
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14 dnl @author Stepan Kasal <kasal@ucw.cz>
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15 dnl @author Andreas Schwab <schwab@suse.de>
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16 dnl @author Guido Draheim <guidod@gmx.de>
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17 dnl @author Alexandre Oliva
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18 dnl @version 2005-07-29
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19 dnl @license AllPermissive
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20
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21 AC_DEFUN([AC_DEFINE_DIR], [
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22 prefix_NONE=
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23 exec_prefix_NONE=
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24 test "x$prefix" = xNONE && prefix_NONE=yes && prefix=$ac_default_prefix
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25 test "x$exec_prefix" = xNONE && exec_prefix_NONE=yes && exec_prefix=$prefix
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26 dnl In Autoconf 2.60, ${datadir} refers to ${datarootdir}, which in turn
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27 dnl refers to ${prefix}. Thus we have to use `eval' twice.
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28 eval ac_define_dir="\"[$]$2\""
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29 eval ac_define_dir="\"$ac_define_dir\""
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30 AC_SUBST($1, "$ac_define_dir")
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31 AC_DEFINE_UNQUOTED($1, "$ac_define_dir", [$3])
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32 test "$prefix_NONE" && prefix=NONE
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33 test "$exec_prefix_NONE" && exec_prefix=NONE
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34 ])
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35
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