blob: 37253769cfd597508cd5ea4e0675d8a9cce73939 (
plain) (
blame)
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
|
dnl ######################################################################
dnl Expand the value of a CPP macro into a printable integer number.
dnl Takes: header, macro, [action-if-found, [action-if-not-found]]
dnl It runs the header through CPP looking for a match between the macro
dnl and a string pattern, and if sucessful, it prints the string value out.
AC_DEFUN([AMU_EXPAND_CPP_INT],
[
# we are looking for a regexp of an integer (must not start with 0 --- those
# are octals).
AC_EGREP_CPP(
[[1-9]][[0-9]]*,
[$1]
$2,
value="notfound"
AC_TRY_RUN(
[
[$1]
main(argc)
int argc;
{
#ifdef $2
if (argc > 1)
printf("%d", $2);
exit(0);
#else
# error no such option $2
#endif
exit(1);
}], value=`./conftest dummy 2>>config.log`, value="notfound", value="notfound")
,
value="notfound"
)
if test "$value" = notfound
then
:
$4
else
:
$3
fi
])
dnl ======================================================================
|
