Install libxl + php_excel on ubuntu 12.02 + apache2

install_php_excel.sh

sudo su --
cd /src

wget http://www.libxl.com/download/libxl.tar.gz
tar -zxvf libxl.tar.gz
cd libxl-3.4.1.4
ln -s include_c include
ln -s libxl.so /usr/lib/libxl.so

wget https://github.com/iliaal/php_excel/archive/master.zip master.zip
unzip master.zip
rm php_excel-master
cd php_excel-master
phpize
./configure --with-excel --with-libxl-incdir=../libxl-3.4.1.4/ --with-libxl-libdir=../libxl-3.4.1.4/lib64
make
make test
make install
service apache2 restart

Cant install it on ubuntu 15.04

root@manu-VirtualBox:/usr/share/php5/libxl-3.6.2.0/php_excel-master# ./configure --with-excel=../libxl-3.6.2.0/ --with-libdir=../libxl-3.6.2.0/lib/
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for a sed that does not truncate output... /bin/sed
checking for cc... cc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables...
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether cc accepts -g... yes
checking for cc option to accept ISO C89... none needed
checking how to run the C preprocessor... cc -E
checking for icc... no
checking for suncc... no
checking whether cc understands -c and -o together... yes
checking for system library directory... ../libxl-3.6.2.0/lib/
checking if compiler supports -R... no
checking if compiler supports -Wl,-rpath,... yes
checking build system type... x86_64-unknown-linux-gnu
checking host system type... x86_64-unknown-linux-gnu
checking target system type... x86_64-unknown-linux-gnu
checking for PHP prefix... /usr
checking for PHP includes... -I/usr/include/php5 -I/usr/include/php5/main -I/usr/include/php5/TSRM -I/usr/include/php5/Zend -I/usr/include/php5/ext -I/usr/include/php5/ext/date/lib
checking for PHP extension directory... /usr/lib/php5/20131226
checking for PHP installed headers prefix... /usr/include/php5
checking if debug is enabled... no
checking if zts is enabled... no
checking for re2c... no
configure: WARNING: You will need re2c 0.13.4 or later if you want to regenerate PHP parsers.
checking for gawk... no
checking for nawk... nawk
checking if nawk is broken... no
checking whether to enable excel support... yes, shared
checking C include dir for libxl... yes, shared
checking lib dir for libxl... yes, shared
checking libxml2 install dir... yes, shared
checking for excel includes... not found
configure: error: Please reinstall the excel distribution

For PHP7 check this gist: https://gist.github.com/dikirill/846c29c68ccc7fe5cfe4c777202b4e66