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authorJim Meyering <jim@meyering.net>1999-12-09 15:54:59 +0000
committerJim Meyering <jim@meyering.net>1999-12-09 15:54:59 +0000
commitfc8e7363d287b8ccbc9f8eb259caa7747674f501 (patch)
tree679e1b84d9e7c61e2353fc17c0fb8fa8915d64c1 /m4
parent022194de490e054c3be1669f1a0063cf8cceae1d (diff)
downloadcoreutils-fc8e7363d287b8ccbc9f8eb259caa7747674f501.tar.xz
Require that File::Compare be available, too.
Too many systems seem to lack it.
Diffstat (limited to 'm4')
-rw-r--r--m4/perl.m412
1 files changed, 7 insertions, 5 deletions
diff --git a/m4/perl.m4 b/m4/perl.m4
index 0cc681ccd..7d6abc34a 100644
--- a/m4/perl.m4
+++ b/m4/perl.m4
@@ -1,4 +1,4 @@
-#serial 1
+#serial 2
dnl From Jim Meyering.
dnl Find a new-enough version of Perl.
@@ -24,7 +24,7 @@ AC_DEFUN(jm_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
@@ -33,7 +33,9 @@ AC_DEFUN(jm_PERL,
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.] )
+*** 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.
+] )
])