checking for unistd.h... yes
/root/httpd-2.2.3/srclib/apr-util/configure: line 1:  2071 Segmentation fault      /bin/sh /root/httpd-2.2.3/srclib/apr-util/xml/expat/configure '--enable-so' '--cache-file=/dev/null' '--srcdir=/root/httpd-2.2.3/srclib/apr-util' '--with-apr=../apr' '--prefix=/usr/local/apache2' '--exec-prefix=/usr/local/apache2' '--libdir=${prefix}/lib' '--includedir=/usr/local/apache2/include' '--bindir=${prefix}/bin' --cache-file=/dev/null --srcdir=/root/httpd-2.2.3/srclib/apr-util/xml/expat --prefix=/usr/local/apache2 --exec-prefix=/usr/local/apache2 --libdir=${prefix}/lib --includedir=/usr/local/apache2/include --bindir=${prefix}/bin
configure failed for xml/expat
configure failed for srclib/apr-util