| 1 |
dnl as-ac-expand.m4 0.1.0
|
| 2 |
dnl autostars m4 macro for expanding directories using configure's prefix
|
| 3 |
dnl thomas@apestaart.org
|
| 4 |
|
| 5 |
dnl AS_AC_EXPAND(VAR, CONFIGURE_VAR)
|
| 6 |
dnl
|
| 7 |
dnl example
|
| 8 |
dnl AS_AC_EXPAND(SYSCONFDIR, $sysconfdir)
|
| 9 |
dnl will set SYSCONFDIR to /usr/local/etc if prefix=/usr/local
|
| 10 |
|
| 11 |
AC_DEFUN([AS_AC_EXPAND],
|
| 12 |
[
|
| 13 |
EXP_VAR=[$1]
|
| 14 |
FROM_VAR=[$2]
|
| 15 |
|
| 16 |
dnl first expand prefix and exec_prefix if necessary
|
| 17 |
prefix_save=$prefix
|
| 18 |
exec_prefix_save=$exec_prefix
|
| 19 |
|
| 20 |
dnl if no prefix given, then use /usr/local, the default prefix
|
| 21 |
if test "x$prefix" = "xNONE"; then
|
| 22 |
prefix=$ac_default_prefix
|
| 23 |
fi
|
| 24 |
dnl if no exec_prefix given, then use prefix
|
| 25 |
if test "x$exec_prefix" = "xNONE"; then
|
| 26 |
exec_prefix=$prefix
|
| 27 |
fi
|
| 28 |
|
| 29 |
full_var="$FROM_VAR"
|
| 30 |
dnl loop until it doesn't change anymore
|
| 31 |
while true; do
|
| 32 |
new_full_var="`eval echo $full_var`"
|
| 33 |
if test "x$new_full_var"="x$full_var"; then break; fi
|
| 34 |
full_var=$new_full_var
|
| 35 |
done
|
| 36 |
|
| 37 |
dnl clean up
|
| 38 |
full_var=$new_full_var
|
| 39 |
AC_SUBST([$1], "$full_var")
|
| 40 |
|
| 41 |
dnl restore prefix and exec_prefix
|
| 42 |
prefix=$prefix_save
|
| 43 |
exec_prefix=$exec_prefix_save
|
| 44 |
])
|
Parent Directory
| 
Revision Log