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Revision 2287
(checked in by johnp, 3 years ago)
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Initial import for the next generation notification daemon
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dnl AS_AC_EXPAND(VAR, CONFIGURE_VAR) |
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dnl |
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dnl example |
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dnl AS_AC_EXPAND(SYSCONFDIR, $sysconfdir) |
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dnl will set SYSCONFDIR to /usr/local/etc if prefix=/usr/local |
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AC_DEFUN([AS_AC_EXPAND], |
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[ |
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EXP_VAR=[$1] |
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FROM_VAR=[$2] |
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dnl first expand prefix and exec_prefix if necessary |
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prefix_save=$prefix |
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exec_prefix_save=$exec_prefix |
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dnl if no prefix given, then use /usr/local, the default prefix |
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if test "x$prefix" = "xNONE"; then |
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prefix=$ac_default_prefix |
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fi |
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dnl if no exec_prefix given, then use prefix |
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if test "x$exec_prefix" = "xNONE"; then |
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exec_prefix=$prefix |
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fi |
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full_var="$FROM_VAR" |
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dnl loop until it doesn't change anymore |
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while true; do |
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new_full_var="`eval echo $full_var`" |
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if test "x$new_full_var"="x$full_var"; then break; fi |
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full_var=$new_full_var |
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done |
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dnl clean up |
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full_var=$new_full_var |
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AC_SUBST([$1], "$full_var") |
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dnl restore prefix and exec_prefix |
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prefix=$prefix_save |
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exec_prefix=$exec_prefix_save |
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]) |
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