Use libdir from configuration.

--- httpd-2.4.18/support/apxs.in.apxs

+++ httpd-2.4.18/support/apxs.in

@@ -35,6 +35,7 @@ my $CFG_PREFIX     = $prefix;

 my $exec_prefix    = get_vars("exec_prefix");

 my $datadir        = get_vars("datadir");

 my $localstatedir  = get_vars("localstatedir");

+my $libdir         = get_vars("libdir");

 my $CFG_TARGET     = get_vars("progname");

 my $CFG_SYSCONFDIR = get_vars("sysconfdir");

 my $CFG_CFLAGS     = join ' ', map { get_vars($_) }

@@ -275,7 +276,7 @@ if ($opt_g) {

     $data =~ s|%NAME%|$name|sg;

     $data =~ s|%TARGET%|$CFG_TARGET|sg;

     $data =~ s|%PREFIX%|$prefix|sg;

-    $data =~ s|%INSTALLBUILDDIR%|$installbuilddir|sg;

+    $data =~ s|%LIBDIR%|$libdir|sg;

     my ($mkf, $mods, $src) = ($data =~ m|^(.+)-=#=-\n(.+)-=#=-\n(.+)|s);

@@ -453,11 +454,11 @@ if ($opt_c) {

     my $ldflags = "$CFG_LDFLAGS";

     if ($opt_p == 1) {

-        my $apr_libs=`$apr_config --cflags --ldflags --link-libtool --libs`;

+        my $apr_libs=`$apr_config --cflags --ldflags --link-libtool`;

         chomp($apr_libs);

         my $apu_libs="";

         if ($apr_major_version < 2) {

-            $apu_libs=`$apu_config --ldflags --link-libtool --libs`;

+            $apu_libs=`$apu_config --ldflags --link-libtool`;

             chomp($apu_libs);

         }

@@ -672,8 +673,8 @@ __DATA__

 builddir=.

 top_srcdir=%PREFIX%

-top_builddir=%PREFIX%

-include %INSTALLBUILDDIR%/special.mk

+top_builddir=%LIBDIR%/httpd

+include %LIBDIR%/httpd/build/special.mk

 #   the used tools

 APACHECTL=apachectl