Exception: apxs binary is not executable:
apt-get install apache2-dev apache2-prefork-dev
find / -name "apxs*"
phpbrew install 5.6 +default +mysql +pdo +apxs2=/usr/bin/apxs2 +icu +intl

configure: error: xml2-config not found. Please check your libxml2 installation.

apt-get install libxml2-dev

checking for BZip2 in default path… not found

apt-get install libbz2-dev

configure: error: Please reinstall the libcurl distribution

apt-get install libcurl4-gnutls-dev

checking for location of ICU headers and libraries… not found

apt-get install -y libicu-dev

configure: error: C++ preprocessor "/lib/cpp" fails sanity check

apt-get install g++

configure: error: mcrypt.h not found. Please reinstall libmcrypt.

apt-get install libmcrypt-dev

configure: error: Please reinstall readline - I cannot find readline.h

apt-get install libreadline-dev

configure: error: xslt-config not found. Please reinstall the libxslt >= 1.1.0 distribution

apt install libxslt-dev

sh: 1: make: not found

apt-get install make

checking whether to enable JIS-mapped Japanese font support in GD… no

apt-get install libjpeg62-dev

checking whether to enable JIS-mapped Japanese font support in GD… no

apt-get install libjpeg62-dev libpng-dev libfreetype6-dev