1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
#serial 1
dnl From Jim Meyering.
dnl Find a new-enough version of Perl.
dnl
AC_DEFUN([jm_PERL],
[
dnl FIXME: don't hard-code 5.003
dnl FIXME: should we cache the result?
AC_MSG_CHECKING([for perl5.003 or newer])
if test "${PERL+set}" = set; then
# `PERL' is set in the user's environment.
candidate_perl_names="$PERL"
perl_specified=yes
else
candidate_perl_names='perl perl5'
perl_specified=no
fi
found=no
AC_SUBST(PERL)
PERL="$missing_dir/missing perl"
for perl in $candidate_perl_names; do
# Run test in a subshell; some versions of sh will print an error if
# an executable is not found, even if stderr is redirected.
if ( $perl -e 'require 5.003' ) > /dev/null 2>&1; then
PERL=$perl
found=yes
break
fi
done
AC_MSG_RESULT($found)
test $found = no && AC_MSG_WARN([
*** You don't seem to have perl5.003 or newer installed.
*** Because of that, you may be unable to regenerate certain files
*** if you modify the sources from which they are derived.] )
])
dnl The same, but the path to perl is wanted.
dnl
dnl By Akim Demaille, do not flame Jim for this :)
AC_DEFUN([jm_PATH_PERL],
[
dnl FIXME: don't hard-code 5.003
dnl FIXME: should we cache the result?
if test "${PERL+set}" = set; then
# `PERL' is set in the user's environment.
candidate_perl_names="$PERL"
perl_specified=yes
else
candidate_perl_names='perl perl5'
perl_specified=no
fi
found=no
for perl_name in $candidate_perl_names; do
# Run test in a subshell; some versions of sh will print an error if
# an executable is not found, even if stderr is redirected.
AC_PATH_PROG(PERL, $perl_name, no)
if test "$PERL" != "no" \
&& ( $PERL -e 'require 5.003' ) > /dev/null 2>&1; then
found=yes
break
fi
done
if test $found = no; then
PERL="$missing_dir/missing perl"
AC_SUBST(PERL)
AC_MSG_WARN([
*** You don't seem to have perl5.003 or newer installed.
*** Because of that, you may be unable to regenerate certain files
*** if you modify the sources from which they are derived.] )
fi
])
|