Module Installers - ERROR: `make' failed

Hello pals, I'm trying to install pdo_sqlsrv module in my server by using "Module Installers" options, but I'm facing some issues on it, here is the output from Module Installers: running: make /bin/sh /root/tmp/pear/pear-build-rootAc7ku3/pdo_sqlsrv-5.6.1/libtool --mode=compile g++ -I/opt/cpanel/ea-php71/root/usr/include/php/ext -std=c++11 -I. -I/root/tmp/pear/pdo_sqlsrv -DPHP_ATOM_INC -I/root/tmp/pear/pear-build-rootAc7ku3/pdo_sqlsrv-5.6.1/include -I/root/tmp/pear/pear-build-rootAc7ku3/pdo_sqlsrv-5.6.1/main -I/root/tmp/pear/pdo_sqlsrv -I/opt/cpanel/ea-php71/root/usr/include/php -I/opt/cpanel/ea-php71/root/usr/include/php/main -I/opt/cpanel/ea-php71/root/usr/include/php/TSRM -I/opt/cpanel/ea-php71/root/usr/include/php/Zend -I/opt/cpanel/ea-php71/root/usr/include/php/ext -I/opt/cpanel/ea-php71/root/usr/include/php/ext/date/lib -I/root/tmp/pear/pdo_sqlsrv/shared/ -DHAVE_CONFIG_H -std=c++11 -D_FORTIFY_SOURCE=2 -O2 -fstack-protector -c /root/tmp/pear/pdo_sqlsrv/pdo_dbh.cpp -o pdo_dbh.lo libtool: compile: g++ -I/opt/cpanel/ea-php71/root/usr/include/php/ext -std=c++11 -I. -I/root/tmp/pear/pdo_sqlsrv -DPHP_ATOM_INC -I/root/tmp/pear/pear-build-rootAc7ku3/pdo_sqlsrv-5.6.1/include -I/root/tmp/pear/pear-build-rootAc7ku3/pdo_sqlsrv-5.6.1/main -I/root/tmp/pear/pdo_sqlsrv -I/opt/cpanel/ea-php71/root/usr/include/php -I/opt/cpanel/ea-php71/root/usr/include/php/main -I/opt/cpanel/ea-php71/root/usr/include/php/TSRM -I/opt/cpanel/ea-php71/root/usr/include/php/Zend -I/opt/cpanel/ea-php71/root/usr/include/php/ext -I/opt/cpanel/ea-php71/root/usr/include/php/ext/date/lib -I/root/tmp/pear/pdo_sqlsrv/shared/ -DHAVE_CONFIG_H -std=c++11 -D_FORTIFY_SOURCE=2 -O2 -fstack-protector -c /root/tmp/pear/pdo_sqlsrv/pdo_dbh.cpp -fPIC -DPIC -o .libs/pdo_dbh.o In file included from /root/tmp/pear/pdo_sqlsrv/shared/typedefs_for_linux.h:23:0, from /root/tmp/pear/pdo_sqlsrv/shared/xplat_winnls.h:24, from /root/tmp/pear/pdo_sqlsrv/shared/FormattedPrint.h:24, from /root/tmp/pear/pdo_sqlsrv/shared/core_sqlsrv.h:41, from /root/tmp/pear/pdo_sqlsrv/php_pdo_sqlsrv_int.h:23, from /root/tmp/pear/pdo_sqlsrv/pdo_dbh.cpp:24: /root/tmp/pear/pdo_sqlsrv/shared/xplat.h:30:17: fatal error: sql.h: No such file or directory #include ^ compilation terminated. make: *** [pdo_dbh.lo] Error 1 ERROR: `make' failed Have any of you guys seen an error like this before? I'm using a CentOS Linux 7.6, and my GCC compiler version is 4.8.5.