← Back to branch summary

~ubuntu-branches/ubuntu/trusty/jack-audio-connection-kit/trusty

« back to all changes in this revision

Viewing changes to acinclude.m4

  • Committer: Bazaar Package Importer
  • Author(s): Luca Falavigna
  • Date: 2008-12-06 11:05:15 UTC
  • mfrom: (4.1.3 sid)
  • Revision ID: james.westby@ubuntu.com-20081206110515-xa9v9pajr9jqvfvg
Tags: 0.115.6-1ubuntu1
* Merge from Debian unstable, remaining Ubuntu changes:
  - Redirect stderr in bash completion (Debian #504488).

Show diffs side-by-side

added added

removed removed

Lines of Context:
acinclude.m4
 
1
dnl AS_AC_EXPAND(VAR, CONFIGURE_VAR)
 
2
dnl example
 
3
dnl AS_AC_EXPAND(SYSCONFDIR, $sysconfdir)
 
4
dnl will set SYSCONFDIR to /usr/local/etc
 
5
 
 
6
dnl written by thomas vander stichele
 
7
 
 
8
AC_DEFUN([AS_AC_EXPAND],
 
9
[
 
10
  EXP_VAR=[$1]
 
11
  FROM_VAR=[$2]
 
12
 
 
13
  dnl first expand prefix and exec_prefix if necessary
 
14
  prefix_save=$prefix
 
15
  if test "x$prefix" = "xNONE"; then
 
16
    prefix=/usr/local
 
17
  fi
 
18
  exec_prefix_save=$exec_prefix
 
19
  if test "x$exec_prefix" = "xNONE"; then
 
20
    if test "x$prefix_save" = "xNONE"; then
 
21
      exec_prefix=/usr/local
 
22
    else
 
23
      exec_prefix=$prefix
 
24
    fi
 
25
  fi
 
26
 
 
27
  full_var="$FROM_VAR"
 
28
  dnl loop until it doesn't change anymore
 
29
  while true; do
 
30
    new_full_var="`eval echo $full_var`"
 
31
    if test "x$new_full_var" = "x$full_var"; then break; fi
 
32
    full_var=$new_full_var
 
33
  done
 
34
 
 
35
  dnl clean up
 
36
  full_var=$new_full_var
 
37
  [$1]=$full_var
 
38
  prefix=$prefix_save
 
39
  exec_prefix=$exec_prefix_save
 
40
])
 
41