Remember which libraries we've asked the user to install already.

Ignore mingw-example.

diff --git a/BUILD.pl b/BUILD.pl
index 5a65199..ae67a93 100755 (executable)
--- a/BUILD.pl
+++ b/BUILD.pl
@@ -56,6 +56,7 @@ sub main {
     delete $br{"mingw-cyrus-sasl"};
     delete $br{"mingw-nsis"};
     delete $br{"mingw-wix"};
+    delete $br{"mingw-example"};
 
     # There is a dependency loop (gcc -> runtime/w32api -> gcc)
     # which has to be manually resolved below.  Break that loop.
@@ -84,6 +85,8 @@ sub main {
        unlink "/tmp/tsort2.tmp";
     }
 
+    my %installed;
+
     while (<PACKAGES>) {
        chomp;
        if (/^mingw-(.*)/) {
@@ -97,8 +100,9 @@ sub main {
            # Are all BR RPMs installed?
            my $br;
            foreach $br (@brs) {
-               if (! rpm_installed ($br)) {
+               if (! rpm_installed ($br) && !exists $installed{$br}) {
                    print "as root # rpm -Uvh $br*.rpm\n";
+                   $installed{$br} = 1;
                }
            }
 
@@ -107,7 +111,8 @@ sub main {
                (!rpm_installed ("mingw-runtime") ||
                 !rpm_installed ("mingw-w32api"))) {
                print "rpmbuild -ba bootstrap/mingw-bootstrap.spec\n";
-               print "as root # rpm -Uvh mingw-bootstrap*.rpm\n"
+               print "as root # rpm -Uvh mingw-bootstrap*.rpm\n";
+               $installed{"mingw-bootstrap"} = 1;
            }
 
            # Spec file.