Fail the Configure script with no Configurations

* Print a message about why the failure is
happening.
* Send the usage information.

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22855)

1 files changed, 6 insertions, 0 deletions

diff --git a/Configure b/Configure
index cca1ac8d16..846a427cff 100755
--- a/Configure
+++ b/Configure
@@ -385,6 +385,12 @@ if (defined env($local_config_envname)) {
     }
 }
 
+# Fail if no configuration is apparent
+if (!%table) {
+    print "Failed to find any os/compiler configurations. Please make sure the Configurations directory is included.\n";
+    &usage;
+}
+
 # Save away perl command information
 $config{perl_cmd} = $^X;
 $config{perl_version} = $Config{version};