Make our Makefile.PL more friendly by explicitly checking for modules that it needs

diff --git a/Makefile.PL b/Makefile.PL
index 36093c1..f0756cd 100644 (file)
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -1,7 +1,22 @@
 use strict;
 use warnings;
 
-use ExtUtils::MakeMaker::Dist::Zilla::Develop;
+BEGIN {
+    eval { require ExtUtils::MakeMaker::Dist::Zilla::Develop };
+    if ($@) {
+        warn
+            "You need to install ExtUtils::MakeMaker::Dist::Zilla::Develop to run this Makefile.PL\n";
+        exit 1;
+    }
+
+    eval { require Test::Inline };
+    if ($@) {
+        warn "You need to install Test::Inline to run this Makefile.PL\n";
+        exit 1;
+    }
+
+    ExtUtils::MakeMaker::Dist::Zilla::Develop->import();
+}
 
 use lib 'inc';