Fix configure overwriting the cache settings on startup.

diff --git a/configure b/configure
index fae17dfeab52af236155c55c8782066f85be7aae..103e072a50fee2ffd7c1d9d4c916c160a2b8bcf8 100755 (executable)
--- a/configure
+++ b/configure
@@ -142,7 +142,7 @@ our %config = ();                                                                   # Initiate Configuration Hash..
 our $cache_loaded = getcache();
 $config{ME} = resolve_directory($topdir);                              # Present Working Directory
 
-$config{BASE_DIR} = $config{ME}."/run";
+$config{BASE_DIR} ||= $config{ME}."/run";
 
 if (defined $opt_base_dir) {
        $config{BASE_DIR} = $opt_base_dir;
@@ -159,13 +159,13 @@ if (defined $opt_system) {
        $config{DATA_DIR}        = '/var/inspircd';
        $config{LOG_DIR}         = '/var/log/inspircd';
 } else {
-       $config{UID} = $opt_uid || $<;
-       $config{CONFIG_DIR}      = resolve_directory($config{BASE_DIR}."/conf");        # Configuration Directory
-       $config{MODULE_DIR}      = resolve_directory($config{BASE_DIR}."/modules");     # Modules Directory
-       $config{BINARY_DIR}      = resolve_directory($config{BASE_DIR}."/bin");         # Binary Directory
-       $config{BUILD_DIR}       = resolve_directory($config{ME}."/build");         # Build Directory
-       $config{DATA_DIR}        = resolve_directory($config{BASE_DIR}."/data");        # Data directory
-       $config{LOG_DIR}         = resolve_directory($config{BASE_DIR}."/logs");        # Log directory
+       $config{UID} = $opt_uid || $config{UID} || $<;
+       $config{CONFIG_DIR}      ||= resolve_directory($config{BASE_DIR}."/conf");      # Configuration Directory
+       $config{MODULE_DIR}      ||= resolve_directory($config{BASE_DIR}."/modules");   # Modules Directory
+       $config{BINARY_DIR}      ||= resolve_directory($config{BASE_DIR}."/bin");               # Binary Directory
+       $config{BUILD_DIR}       ||= resolve_directory($config{ME}."/build");         # Build Directory
+       $config{DATA_DIR}        ||= resolve_directory($config{BASE_DIR}."/data");      # Data directory
+       $config{LOG_DIR}         ||= resolve_directory($config{BASE_DIR}."/logs");      # Log directory
 }
 
 if (defined $opt_config_dir) {
@@ -209,12 +209,12 @@ else
 
 chomp(our $gnutls_ver = $config{HAS_GNUTLS});
 chomp(our $openssl_ver = $config{HAS_OPENSSL});
-$config{USE_GNUTLS}        = "n";
+$config{USE_GNUTLS}        ||= "n";
 if (defined $opt_use_gnutls)
 {
        $config{USE_GNUTLS} = "y";                                      # Use gnutls.
 }
-$config{USE_OPENSSL}   = "n";                                          # Use openssl.
+$config{USE_OPENSSL}   ||= "n";                                                # Use openssl.
 if (defined $opt_use_openssl)
 {
        $config{USE_OPENSSL} = "y";
@@ -609,8 +609,8 @@ should NOT be used. You should probably specify a newer compiler.\n\n";
                $config{USE_FREEBSD_BASE_SSL} = "y" if ($^O eq "freebsd");
        }
 
-       $config{USE_SSL} = "n";
-       $config{MODUPDATE} = 'n';
+       $config{USE_SSL} ||= "n";
+       $config{MODUPDATE} ||= 'n';
 
        if ($config{HAS_GNUTLS} eq "y" || $config{HAS_OPENSSL} eq "y")
        {