its installiing failed
configure: patching config.h.in
configure: creating ./config.status
config.status: creating config.h
/bin/sh /www/server/panel/install/sqlsrv-5.11.1/libtool --mode=compile g++ -I. -I/www/server/panel/install/sqlsrv-5.11.1 -I/www/server/panel/install/sqlsrv-5.11.1/include -I/www/server/panel/install/sqlsrv-5.11.1/main -I/www/server/panel/install/sqlsrv-5.11.1 -I/www/server/php/81/include/php -I/www/server/php/81/include/php/main -I/www/server/php/81/include/php/TSRM -I/www/server/php/81/include/php/Zend -I/www/server/php/81/include/php/ext -I/www/server/php/81/include/php/ext/date/lib -I/www/server/panel/install/sqlsrv-5.11.1/shared -DHAVE_CONFIG_H -std=c++11 -D_FORTIFY_SOURCE=2 -O2 -fstack-protector -std=c++11 -DZEND_COMPILE_DL_EXT=1 -c /www/server/panel/install/sqlsrv-5.11.1/conn.cpp -o conn.lo -MMD -MF conn.dep -MT conn.lo
mkdir .libs
g++ -I. -I/www/server/panel/install/sqlsrv-5.11.1 -I/www/server/panel/install/sqlsrv-5.11.1/include -I/www/server/panel/install/sqlsrv-5.11.1/main -I/www/server/panel/install/sqlsrv-5.11.1 -I/www/server/php/81/include/php -I/www/server/php/81/include/php/main -I/www/server/php/81/include/php/TSRM -I/www/server/php/81/include/php/Zend -I/www/server/php/81/include/php/ext -I/www/server/php/81/include/php/ext/date/lib -I/www/server/panel/install/sqlsrv-5.11.1/shared -DHAVE_CONFIG_H -std=c++11 -D_FORTIFY_SOURCE=2 -O2 -fstack-protector -std=c++11 -DZEND_COMPILE_DL_EXT=1 -c /www/server/panel/install/sqlsrv-5.11.1/conn.cpp -MMD -MF conn.dep -MT conn.lo -fPIC -DPIC -o .libs/conn.o
In file included from /www/server/panel/install/sqlsrv-5.11.1/shared/typedefs_for_linux.h:23,
from /www/server/panel/install/sqlsrv-5.11.1/shared/xplat_winnls.h:24,
from /www/server/panel/install/sqlsrv-5.11.1/shared/FormattedPrint.h:24,
from /www/server/panel/install/sqlsrv-5.11.1/shared/core_sqlsrv.h:41,
from /www/server/panel/install/sqlsrv-5.11.1/php_sqlsrv_int.h:25,
from /www/server/panel/install/sqlsrv-5.11.1/conn.cpp:24:
/www/server/panel/install/sqlsrv-5.11.1/shared/xplat.h:30:10: fatal error: sql.h: No such file or directory
30 | #include
| ~~~
compilation terminated.
make: *** [Makefile:209: conn.lo] Error 1
error
|-Successify --- Command executed! ---