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Revision 7199, 0.9 kB
(checked in by dkirov, 2 years ago)
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add missing file
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| 1 | dnl AS_AC_EXPAND(VAR, CONFIGURE_VAR) |
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| 2 | dnl |
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| 3 | dnl example |
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| 4 | dnl AS_AC_EXPAND(SYSCONFDIR, $sysconfdir) |
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| 5 | dnl will set SYSCONFDIR to /usr/local/etc if prefix=/usr/local |
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| 6 | |
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| 7 | AC_DEFUN([AS_AC_EXPAND], |
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| 8 | [ |
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| 9 | EXP_VAR=[$1] |
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| 10 | FROM_VAR=[$2] |
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| 11 | |
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| 12 | dnl first expand prefix and exec_prefix if necessary |
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| 13 | prefix_save=$prefix |
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| 14 | exec_prefix_save=$exec_prefix |
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| 15 | |
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| 16 | dnl if no prefix given, then use /usr/local, the default prefix |
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| 17 | if test "x$prefix" = "xNONE"; then |
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| 18 | prefix=$ac_default_prefix |
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| 19 | fi |
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| 20 | dnl if no exec_prefix given, then use prefix |
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| 21 | if test "x$exec_prefix" = "xNONE"; then |
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| 22 | exec_prefix=$prefix |
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| 23 | fi |
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| 24 | |
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| 25 | full_var="$FROM_VAR" |
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| 26 | dnl loop until it doesn't change anymore |
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| 27 | while true; do |
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| 28 | new_full_var="`eval echo $full_var`" |
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| 29 | if test "x$new_full_var"="x$full_var"; then break; fi |
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| 30 | full_var=$new_full_var |
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| 31 | done |
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| 32 | |
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| 33 | dnl clean up |
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| 34 | full_var=$new_full_var |
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| 35 | AC_SUBST([$1], "$full_var") |
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| 36 | |
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| 37 | dnl restore prefix and exec_prefix |
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| 38 | prefix=$prefix_save |
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| 39 | exec_prefix=$exec_prefix_save |
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| 40 | ]) |
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