AOA, i tried a lot to install LUASQL but have errors in it . i follow wiki for it http://wiki.freeswitch.org/wiki/Installing_LuaSQL here is my *config* file data [root@localhost luasql-2.1.1]# vim config # Driver (leave uncommented ONLY the line with the name of the driver) T= mysql #T= oci8 #T= odbc #T= postgres #T= sqlite #T=sqlite3 # Installation directories # Default prefix PREFIX = /usr/local # System's libraries directory (where binary libraries are installed) LUA_LIBDIR= $(PREFIX)/lib/lua/5.1 # System's lua directory (where Lua libraries are installed) LUA_DIR= $(PREFIX)/share/lua/5.1 # Lua includes directory #LUA_INC= $(PREFIX)/include LUA_INC= /usr/src/freeswitch/src/mod/languages/mod_lua/lua # Lua version number (first and second digits of target version) LUA_VERSION_NUM= 501 # OS dependent LIB_OPTION= -shared #for Linux #LIB_OPTION= -bundle -undefined dynamic_lookup #for MacOS X LIBNAME= $T.so COMPAT_DIR= ../compat/src # Compilation parameters # Driver specific ####### MySQL DRIVER_LIBS= -L/usr/local/mysql/lib -lmysqlclient -lz DRIVER_INCS= -I/usr/local/mysql/include ######## Oracle OCI8 #DRIVER_LIBS= -L/home/oracle/OraHome1/lib -lz -lclntsh #DRIVER_INCS= -I/home/oracle/OraHome1/rdbms/demo -I/home/oracle/OraHome1/rdbms/public ######## PostgreSQL #DRIVER_LIBS= -L/usr/local/pgsql/lib -lpq #DRIVER_INCS= -I/usr/local/pgsql/include ######## SQLite #DRIVER_LIBS= -lsqlite #DRIVER_INCS= ######## SQLite3 #DRIVER_LIBS= -L/opt/local/lib -lsqlite3 #DRIVER_INCS= -I/opt/local/include ######## ODBC #DRIVER_LIBS= -L/usr/local/lib -lodbc #DRIVER_INCS= -DUNIXODBC -I/usr/local/include WARN= -Wall -Wmissing-prototypes -Wmissing-declarations -ansi -pedantic INCS= -I$(LUA_INC) CFLAGS= -O2 $(WARN) -I$(COMPAT_DIR) $(DRIVER_INCS) $(INCS) $(DEFS) CC= gcc # $Id: config,v 1.8 2007/10/27 22:55:27 carregal Exp $ but get the error : my output is as followos: [root@localhost luasql-2.1.1]# make gcc -O2 -Wall -Wmissing-prototypes -Wmissing-declarations -ansi -pedantic -I../compat/src -I/usr/src/freeswitch/src/mod/languages/mod_lua/lua -c -o src/ls_mysql.o src/ls_mysql.c src/ls_mysql.c:19:19: error: mysql.h: No such file or directory src/ls_mysql.c:73: error: expected specifier-qualifier-list before âMYSQLâ src/ls_mysql.c:81: error: expected specifier-qualifier-list before âMYSQL_RESâ src/ls_mysql.c:148: warning: ISO C forbids forward references to âenumâ types src/ls_mysql.c:148: warning: âenum enum_field_typesâ declared inside parameter list src/ls_mysql.c:148: warning: its scope is only this definition or declaration, which is probably not what you want src/ls_mysql.c:148: error: parameter 1 (âtypeâ) has incomplete type src/ls_mysql.c: In function âgetcolumntypeâ: src/ls_mysql.c:151: error: âFIELD_TYPE_VAR_STRINGâ undeclared (first use in this function) src/ls_mysql.c:151: error: (Each undeclared identifier is reported only once src/ls_mysql.c:151: error: for each function it appears in.) src/ls_mysql.c:151: error: âFIELD_TYPE_STRINGâ undeclared (first use in this function) src/ls_mysql.c:153: error: âFIELD_TYPE_DECIMALâ undeclared (first use in this function) src/ls_mysql.c:153: error: âFIELD_TYPE_SHORTâ undeclared (first use in this function) src/ls_mysql.c:153: error: âFIELD_TYPE_LONGâ undeclared (first use in this function) src/ls_mysql.c:154: error: âFIELD_TYPE_FLOATâ undeclared (first use in this function) src/ls_mysql.c:154: error: âFIELD_TYPE_DOUBLEâ undeclared (first use in this function) src/ls_mysql.c:154: error: âFIELD_TYPE_LONGLONGâ undeclared (first use in this function) src/ls_mysql.c:155: error: âFIELD_TYPE_INT24â undeclared (first use in this function) src/ls_mysql.c:155: error: âFIELD_TYPE_YEARâ undeclared (first use in this function) src/ls_mysql.c:155: error: âFIELD_TYPE_TINYâ undeclared (first use in this function) src/ls_mysql.c:157: error: âFIELD_TYPE_TINY_BLOBâ undeclared (first use in this function) src/ls_mysql.c:157: error: âFIELD_TYPE_MEDIUM_BLOBâ undeclared (first use in this function) src/ls_mysql.c:158: error: âFIELD_TYPE_LONG_BLOBâ undeclared (first use in this function) src/ls_mysql.c:158: error: âFIELD_TYPE_BLOBâ undeclared (first use in this function) src/ls_mysql.c:160: error: âFIELD_TYPE_DATEâ undeclared (first use in this function) src/ls_mysql.c:160: error: âFIELD_TYPE_NEWDATEâ undeclared (first use in this function) src/ls_mysql.c:162: error: âFIELD_TYPE_DATETIMEâ undeclared (first use in this function) src/ls_mysql.c:164: error: âFIELD_TYPE_TIMEâ undeclared (first use in this function) src/ls_mysql.c:166: error: âFIELD_TYPE_TIMESTAMPâ undeclared (first use in this function) src/ls_mysql.c:168: error: âFIELD_TYPE_ENUMâ undeclared (first use in this function) src/ls_mysql.c:168: error: âFIELD_TYPE_SETâ undeclared (first use in this function) src/ls_mysql.c:170: error: âFIELD_TYPE_NULLâ undeclared (first use in this function) src/ls_mysql.c: In function âcreate_colinfoâ: src/ls_mysql.c:182: error: âMYSQL_FIELDâ undeclared (first use in this function) src/ls_mysql.c:182: error: âfieldsâ undeclared (first use in this function) src/ls_mysql.c:183: warning: ISO C90 forbids mixed declarations and code src/ls_mysql.c:185: warning: implicit declaration of function âmysql_fetch_fieldsâ src/ls_mysql.c:185: error: âcur_dataâ has no member named âmy_resâ src/ls_mysql.c:191: error: type of formal parameter 1 is incomplete src/ls_mysql.c: In function âcur_fetchâ: src/ls_mysql.c:206: error: âMYSQL_RESâ undeclared (first use in this function) src/ls_mysql.c:206: error: âresâ undeclared (first use in this function) src/ls_mysql.c:206: error: âcur_dataâ has no member named âmy_resâ src/ls_mysql.c:207: warning: ISO C90 forbids mixed declarations and code src/ls_mysql.c:208: error: âMYSQL_ROWâ undeclared (first use in this function) src/ls_mysql.c:208: error: expected â;â before ârowâ src/ls_mysql.c:209: error: ârowâ undeclared (first use in this function) src/ls_mysql.c:213: warning: implicit declaration of function âmysql_fetch_lengthsâ src/ls_mysql.c: In function âcur_closeâ: src/ls_mysql.c:269: warning: implicit declaration of function âmysql_free_resultâ src/ls_mysql.c:269: error: âcur_dataâ has no member named âmy_resâ src/ls_mysql.c: In function âcur_numrowsâ: src/ls_mysql.c:319: warning: implicit declaration of function âmysql_num_rowsâ src/ls_mysql.c:319: error: âcur_dataâ has no member named âmy_resâ src/ls_mysql.c: At top level: src/ls_mysql.c:327: error: expected declaration specifiers or â...â before âMYSQL_RESâ src/ls_mysql.c: In function âcreate_cursorâ: src/ls_mysql.c:337: error: âcur_dataâ has no member named âmy_resâ src/ls_mysql.c:337: error: âresultâ undeclared (first use in this function) src/ls_mysql.c: In function âconn_closeâ: src/ls_mysql.c:359: warning: implicit declaration of function âmysql_closeâ src/ls_mysql.c:359: error: âconn_dataâ has no member named âmy_connâ src/ls_mysql.c: In function âconn_executeâ: src/ls_mysql.c:374: warning: implicit declaration of function âmysql_real_queryâ src/ls_mysql.c:374: error: âconn_dataâ has no member named âmy_connâ src/ls_mysql.c:376: warning: implicit declaration of function âmysql_errorâ src/ls_mysql.c:376: error: âconn_dataâ has no member named âmy_connâ src/ls_mysql.c:379: error: âMYSQL_RESâ undeclared (first use in this function) src/ls_mysql.c:379: error: âresâ undeclared (first use in this function) src/ls_mysql.c:379: warning: implicit declaration of function âmysql_store_resultâ src/ls_mysql.c:379: error: âconn_dataâ has no member named âmy_connâ src/ls_mysql.c:380: warning: implicit declaration of function âmysql_field_countâ src/ls_mysql.c:380: error: âconn_dataâ has no member named âmy_connâ src/ls_mysql.c:380: warning: ISO C90 forbids mixed declarations and code src/ls_mysql.c:383: error: too many arguments to function âcreate_cursorâ src/ls_mysql.c:388: warning: implicit declaration of function âmysql_affected_rowsâ src/ls_mysql.c:388: error: âconn_dataâ has no member named âmy_connâ src/ls_mysql.c:392: error: âconn_dataâ has no member named âmy_connâ src/ls_mysql.c: In function âconn_commitâ: src/ls_mysql.c:403: error: âconn_dataâ has no member named âmy_connâ src/ls_mysql.c: In function âconn_rollbackâ: src/ls_mysql.c:413: error: âconn_dataâ has no member named âmy_connâ src/ls_mysql.c: In function âconn_setautocommitâ: src/ls_mysql.c:424: error: âconn_dataâ has no member named âmy_connâ src/ls_mysql.c:427: error: âconn_dataâ has no member named âmy_connâ src/ls_mysql.c: At top level: src/ls_mysql.c:437: error: expected declaration specifiers or â...â before âMYSQLâ src/ls_mysql.c: In function âcreate_connectionâ: src/ls_mysql.c:444: error: âconn_dataâ has no member named âmy_connâ src/ls_mysql.c:444: error: âmy_connâ undeclared (first use in this function) src/ls_mysql.c: In function âenv_connectâ: src/ls_mysql.c:462: error: âMYSQLâ undeclared (first use in this function) src/ls_mysql.c:462: error: âconnâ undeclared (first use in this function) src/ls_mysql.c:466: warning: implicit declaration of function âmysql_initâ src/ls_mysql.c:470: warning: implicit declaration of function âmysql_real_connectâ src/ls_mysql.c:478: error: too many arguments to function âcreate_connectionâ src/ls_mysql.c: In function âluaopen_luasql_mysqlâ: src/ls_mysql.c:557: error: expected â)â before âMYSQL_SERVER_VERSIONâ src/ls_mysql.c:557: error: too few arguments to function âlua_pushlstringâ make: *** [src/ls_mysql.o] Error 1 [root@localhost luasql-2.1.1]# please tell me the reason of the error: Regards Shahzad Bhatti