error in configure apache

when i configure apache by typing ./configure
this is the output...
what problem is it???


checking for chosen layout... Apache
checking for working mkdir -p... yes
checking build system type... i686-pc-linux-gnu
checking host system type... i686-pc-linux-gnu
checking target system type... i686-pc-linux-gnu

Configuring Apache Portable Runtime library ...

checking for APR... no
configure: error: APR not found. Please read the documentation.

Hi and welcome to the forum.

You need to install the apr package first. If its already installed, try installing libapr-devel or libapr-dev depending on your distribution and then try installing apache again.