Portability: replace `whoami`

diff --git a/run_build b/run_build
index 5dde757f26dec57f1b003c835216083bd2f853ab..cc6838ba8369023f02bed093c77c6bd57faf7b21 100755 (executable)
--- a/run_build
+++ b/run_build
@@ -1166,7 +1166,8 @@ sub configure
         @tmp = `echo "Hardcoded Exim user info:"; id $exim_user
           cd $exim && perl -pi -e 's/^EXIM_USER=.*/EXIM_USER=$exim_user/' $local_conf`;
         push @confout, @tmp;
         @tmp = `echo "Hardcoded Exim user info:"; id $exim_user
           cd $exim && perl -pi -e 's/^EXIM_USER=.*/EXIM_USER=$exim_user/' $local_conf`;
         push @confout, @tmp;

-        my $me = `whoami`; chomp $me;
+        #my $me = `whoami`; chomp $me;
+       my $me = getpwuid($>) // die "$0: getpwuid($>): $!\n";

         @tmp = `echo "Build Farm user info:"; id $me
           cd $exim && perl -pi -e 's/^# CONFIGURE_OWNER=\$/CONFIGURE_OWNER=$me/' $local_conf`;
         push @confout, @tmp;
         @tmp = `echo "Build Farm user info:"; id $me
           cd $exim && perl -pi -e 's/^# CONFIGURE_OWNER=\$/CONFIGURE_OWNER=$me/' $local_conf`;
         push @confout, @tmp;