-#serial 1
+#serial 5
dnl From Jim Meyering.
dnl Find a new-enough version of Perl.
dnl
-AC_DEFUN(jm_PERL,
+AC_DEFUN([jm_PERL],
[
dnl FIXME: don't hard-code 5.003
dnl FIXME: should we cache the result?
found=no
AC_SUBST(PERL)
- PERL="$missing_dir/missing perl"
+ PERL="$am_missing_run 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
+ if ( $perl -e 'require 5.003; use File::Compare' ) > /dev/null 2>&1; then
PERL=$perl
found=yes
break
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.] )
+WARNING: You don't seem to have perl5.003 or newer installed, or you lack
+ a usable version of the Perl File::Compare module. As a result,
+ you may be unable to run a few tests or to regenerate certain
+ files if you modify the sources from which they are derived.
+] )
])