diff -urN mod_perl-1.99_13-org/lib/Apache/Build.pm mod_perl-1.99_13/lib/Apache/Build.pm
--- mod_perl-1.99_13-org/lib/Apache/Build.pm	2004-03-04 18:24:32.000000000 +0100
+++ mod_perl-1.99_13/lib/Apache/Build.pm	2004-04-07 15:56:14.946043880 +0200
@@ -1307,12 +1307,12 @@
     my $install = <<'EOI';
 install:
 # install mod_perl.so
-	@$(MKPATH) $(MODPERL_AP_LIBEXECDIR)
+	@$(MKPATH) $(DESTDIR)$(MODPERL_AP_LIBEXECDIR)
 	$(MODPERL_TEST_F) $(MODPERL_LIB_DSO) && \
-	$(MODPERL_CP) $(MODPERL_LIB_DSO) $(MODPERL_AP_LIBEXECDIR)
+	$(MODPERL_CP) $(MODPERL_LIB_DSO) $(DESTDIR)$(MODPERL_AP_LIBEXECDIR)
 # install mod_perl .h files
-	@$(MKPATH) $(MODPERL_AP_INCLUDEDIR)
-	$(MODPERL_CP) $(MODPERL_H_FILES) $(MODPERL_AP_INCLUDEDIR)
+	@$(MKPATH) $(DESTDIR)$(MODPERL_AP_INCLUDEDIR)
+	$(MODPERL_CP) $(MODPERL_H_FILES) $(DESTDIR)$(MODPERL_AP_INCLUDEDIR)
 EOI
 
     my $mf = $self->default_file('makefile');
diff -urN mod_perl-1.99_13-org/Makefile.PL mod_perl-1.99_13/Makefile.PL
--- mod_perl-1.99_13-org/Makefile.PL	2004-03-04 18:24:28.000000000 +0100
+++ mod_perl-1.99_13/Makefile.PL	2004-04-07 15:57:14.828940296 +0200
@@ -65,7 +65,7 @@
     NAME          => 'mod_perl',
     VERSION       => $VERSION,
     ABSTRACT_FROM => 'lib/mod_perl.pm',
-    EXE_FILES     => \@exe_files,
+#    EXE_FILES     => \@exe_files,
     DEFINE        => get_DEFINE(),
     macro         => {
         MODPERL_SRC        => $code->path,
@@ -483,8 +483,8 @@
 	cd "$(MODPERL_SRC)" && $(MODPERL_LIBMAKE) install
 
 modperl_xs_h_install:
-	@$(MKPATH) $(MODPERL_AP_INCLUDEDIR)
-	$(CP) $(MODPERL_XS_H_FILES) $(MODPERL_AP_INCLUDEDIR)
+	@$(MKPATH) $(DESTDIR)$(MODPERL_AP_INCLUDEDIR)
+	$(CP) $(MODPERL_XS_H_FILES) $(DESTDIR)$(MODPERL_AP_INCLUDEDIR)
 
 modperl_src_clean:
 	cd "$(MODPERL_SRC)" && $(MODPERL_LIBMAKE) clean
--- mod_perl-1.99_15-org/Makefile.PL	2004-08-24 18:33:21.035839248 +0200
+++ mod_perl-1.99_13/Makefile.PL	2004-08-24 18:34:24.406205488 +0200
@@ -151,7 +151,7 @@
                 error "cannot install mod_perl/$VERSION on top of $vstring",
                     "use MP_INST_APACHE2=1 option " .
                      "or to force installation delete:\n $old_modperl_pm";
-                exit 1;
+#               exit 1;
             }
         }
     }