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Extending Informix®Beyond standard relational database objects, HCL Informix® can be extended to handle specialized data types, access methods, routines, and other objects. Informix® includes many built-in extensions that are fully integrated in the database server. Informix® also provides DataBlade® modules, which are packages of extended database objects for a particular purpose and that are installed separately from the database server. Alternatively, you can create your own user-defined objects for Informix®.
Creating extensionsYou can create user-defined data types, routines, access methods, and other database objects to suit your needs. You can use application programming interfaces to write user-defined routines and applications that access data in Informix® databases.
DataBlade® Developers KitThe DataBlade® Developers Kit (DBDK) guides contain information about the tools you can use to develop and package DataBlade® modules, which extend the functionality of HCL Informix® databases.
DataBlade® Developers Kit User's GuideThe HCL Informix® DataBlade® Developers Kit User's Guide describes how to use tools to develop and package DataBlade® modules.
Programming DataBlade® module routines in CThis section contains information to help you edit and compile C language source code generated by DataBlade®.
Compile DataBlade® module codeThis section describes how to compile DataBlade® module code.
Compiling on a UNIX™ operating system
Compile with debug supportTo debug your DataBlade® module while it executes in a database server process, you must build the shared object file with debugging symbols.

Compile with debug support

To debug your DataBlade® module while it executes in a database server process, you must build the shared object file with debugging symbols.

You can either modify the makefile and add the required compiler flags to the CFLAGS variable, or set the COPTS variable on the make command line.

On Solaris, the following commands build shared object files with debugging symbols from the C shell:

setenv TARGET $INFORMIXDIR/incl/dbdk/makeinc.solaris
make -f ProjectU.mak COPTS="-g -xs"

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