/var/www/build/libtool --silent --mode=compile gcc -std=gnu99 -prefer-pic   -DLINUX -D_REENTRANT -D_GNU_SOURCE -g -O2 -pthread -I/usr/include/apache  -I/usr/include/apache   -I/usr/include/apache  -g -O2 -I/usr/include/python2.7 -DNDEBUG  -c -o src/server/mod_wsgi.lo src/server/mod_wsgi.c && touch src/server/mod_wsgi.slo
In file included from src/server/mod_wsgi.c:22:0:
src/server/wsgi_python.h:24:20: fatal error: Python.h: No such file or directory
compilation terminated.
apxs:Error: Command failed with rc=65536
.
make: *** [src/server/mod_wsgi.la] Error 1

Solution:
Debian/Ubuntu:

apt-get install python-dev

Centos/RHEL:

yum install python-devel