https://www.gnu.org/software/libtool/
./configure --prefix=/usr/local/libtool
make
sudo make install
https://apr.apache.org/download.cgi
./configure --prefix=/usr/local/httpd/apr
make
sudo make install
https://pkgs.org/download/expat-devel
https://pkgs.org/search/?q=expat
# yum install -y expat-devel
sudo rpm -hiv expat*.rpm
./configure --prefix=/usr/local/httpd/apr-util --with-apr=/usr/local/httpd/apr
make
make install
http://www.pcre.org/
https://sourceforge.net/projects/pcre/files/pcre/8.45/
./configure --prefix=/usr/local/pcre
make
sudo make install
./configure --prefix=/usr/local/httpd/apache2 --with-apr=/usr/local/httpd/apr --with-apr-util=/usr/local/httpd/apr-util --with-pcre=/usr/local/pcre --enable-module=so
