aboutsummaryrefslogtreecommitdiffstats
path: root/m4/macros/expand_run_string.m4
blob: 2cb964e11f917d470d8f8f2f4b4a95e7a08be4f8 (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
dnl ######################################################################
dnl Run a program and print its output as a string
dnl Takes: (header, code-to-run, [action-if-found, [action-if-not-found]])
AC_DEFUN([AMU_EXPAND_RUN_STRING],
[
value="notfound"
AC_TRY_RUN(
[
$1
main(argc)
int argc;
{
$2
exit(0);
}],
[
value=`./conftest dummy 2>>config.log`
test -z "$value" && value="notfound"
], value="notfound", value="notfound")
if test "$value" = notfound
then
  :
  $4
else
  :
  $3
fi
])
dnl ======================================================================