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#!N  #!Rclo2 Compiling, Linking, and Debugging an Outboard Module #!N #!EC 
#!N #!N The following sample makefile templates for creating outboard modules 
can be found in  #!F-adobe-times-bold-r-normal--18*   /usr/lpp/dx/samples/user #!EF : #!N #!I0 #!N 
 #!F-adobe-times-medium-r-normal--18*   #!N #!N #!I30 #!N o RISC System/6000* Systems:  #!F-adobe-times-bold-r-normal--18*   Makefile_outboard_ibm6000 
#!EF #!N #!I30 #!N o Silicon Graphics**:  #!F-adobe-times-bold-r-normal--18*   Makefile_outboard_sgi #!EF #!N 
#!I30 #!N o Sun Microsystems**:  #!F-adobe-times-bold-r-normal--18*   Makefile_outboard_solaris #!EF or  #!F-adobe-times-bold-r-normal--18*   Makefile_outboard_sun4 
#!EF #!N #!I30 #!N o Hewlett-Packard**:  #!F-adobe-times-bold-r-normal--18*   Makefile_outboard_hp700 #!EF #!N #!I30 
#!N o Data General AViiON**:  #!F-adobe-times-bold-r-normal--18*   Makefile_outboard_aviion #!EF #!N #!I30 #!N 
o DEC Alpha**:  #!F-adobe-times-bold-r-normal--18*   Makefile_outboard_alphax #!EF #!N #!I0 #!N #!EF #!N 
#!N #!N Replace  #!F-adobe-times-bold-r-normal--18*   makex.o #!EF ,  #!F-adobe-times-bold-r-normal--18*   add.o #!EF , 
and  #!F-adobe-times-bold-r-normal--18*   hello.o #!EF with the names of your  #!F-adobe-times-bold-r-normal--18*   .o 
#!EF files; replace  #!F-adobe-times-bold-r-normal--18*   m_Hello #!EF , etc. with the names 
of your modules; and replace  #!F-adobe-times-bold-r-normal--18*   hello #!EF , etc. with 
the names you want for your executables. The .mdf file for 
the outboard modules is  #!F-adobe-times-bold-r-normal--18*   user_outboard.mdf #!EF . #!CIndianRed #!N #!N 
#!N  #!F-adobe-times-bold-r-normal--18*   Linking Outboard Modules #!N #!N Typically outboard modules are 
linked to the library dxlite, which contains the Data Explorer data 
model routines (see  #!Ldxlap1,dxall1161 h Data Explorer Data Model Library: DXlite Routines  #!EL  ). This library does not contain all 
of the Data Explorer routines (see  #!Lallr,dxall1162 h Data Explorer Library Routines  #!EL  ), and an outboard 
module requiring access to such "additional" routines must be linked to 
the library dxcallm. However, the resulting outboard executable will be significantly 
larger than it would be otherwise. #!N #!N #!EC #!N #!N 
Starting Data Explorer requires specifying the .mdf file to the user 
interface: #!CForestGreen #!N #!N  #!F-adobe-courier-bold-r-normal--18*   #!N dx -edit -mdf my.mdf #!EF 
#!N #!N #!EC #!N #!N #!I0 #!N Notes: #!N #!I30 #!N 
1. You can also load a .mdf. file after Data Explorer 
has started. Use the  #!F-adobe-times-bold-r-normal--18*   Load Module Description(s) #!EF option in 
the  #!F-adobe-times-bold-r-normal--18*   File #!EF pull-down menu of the VPE window. #!N 
#!I30 #!N 2. In script mode, Data Explorer does not recognize 
the -mdf flag, so you must add the following commands to 
your script before calling the module: #!CForestGreen #!N #!N  #!F-adobe-courier-bold-r-normal--18*   #!N 
Executive("mdf file", "module_name.mdf"); #!N $sync #!EF #!N #!N #!EC #!I0 #!N 
#!N #!N #!N To debug a module you must first modify 
the CFLAGS line of the makefile to compile your source code 
as debuggable (  #!F-adobe-times-bold-r-normal--18*   -g #!EF ) rather than optimized ( 
 #!F-adobe-times-bold-r-normal--18*   -O #!EF ). Note: Data Explorer library routines are available 
only as optimized object code. #!N #!N To debug a module, 
start Data Explorer with the additional flag -outboarddebug. Instead of automatically 
starting the module, Data Explorer will prompt you to start the 
executable. You can then run the module from a debugger, using 
the flags specified to you by Data Explorer when it prompts 
you to start the module. #!N #!N #!N  #!F-adobe-times-medium-i-normal--18*   Next Topic 
#!EF #!N #!N  #!Lall1051,dxall1052 h Special Considerations for Outboard Modules  #!EL  #!N  #!F-adobe-times-medium-i-normal--18*   #!N 
