1 files changed, 32 insertions, 0 deletions
diff --git a/m4/ax_perl_module.m4 b/m4/ax_perl_module.m4
new file mode 100644
index 0000000..f2cddd2
--- /dev/null
+++ b/m4/ax_perl_module.m4
@@ -0,0 +1,32 @@
+# SPDX-License-Identifier: FSFAP
+#
+# SYNOPSIS
+#
+#   AX_PERL_MODULE(MODULE[, ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
+#
+# DESCRIPTION
+#
+#   Checks for Perl module.
+#
+# LICENSE
+#
+#   Copyright (c) 2020 Internet Systems Consortium
+#
+#   Copying and distribution of this file, with or without modification, are
+#   permitted in any medium without royalty provided the copyright notice
+#   and this notice are preserved. This file is offered as-is, without any
+#   warranty.
+
+AC_DEFUN([AX_PERL_MODULE],[
+    AC_MSG_CHECKING([for perl module: $1])
+    $PERL "-M$1" -e exit >/dev/null 2>&1
+    AS_IF([test $? -eq 0],
+          [AC_MSG_RESULT([yes])
+           eval AS_TR_CPP(HAVE_PERLMOD_$1)=yes
+           $2
+          ],
+          [AC_MSG_RESULT([no])
+           eval AS_TR_CPP(HAVE_PERLMOD_$1)=no
+           $3
+          ])
+    ])