Experimental Physics and
Industrial Control System

#1  xxx
#2     Makefile
#3     configure/
#4     iocBoot/
#5     xxxApp/
#6        Makefile
#7        Db/
#8           first/
#9              Makefile
#10             firstAll.substitutions
#11             firstAll.template
#12          second/
#13             Makefile
#14             second.substitutions
#15       src/

   Inflating database from ../second.substitutions
   msi   -I. -I.. -I../O.Common -S../second.substitutions  > msi.tmp
   Could not open firstAll.db

   TOP=../..
   include $(TOP)/configure/CONFIG

   DIRS += first
   DIRS += second

   TOP=../../..
   include $(TOP)/configure/CONFIG

   TOP=../../..
   include $(TOP)/configure/CONFIG

John Dobbins
Cornell University
Lab for Elementary Particle Physics

Hi John,

Is there a way to get MSI to deal with multiple levels of substitution?

I divide my Db directory into sub-directories and build them in the proper order. For example:

xxxApp/Db/first contains Makefile, first.db, and firstAll.substitions:
Makefile has:
DB += firstAll.db
firstAll.substitutions which looks something like this:
file first.db {
pattern { DEV , CARD , NAME , ID ,P0,P1,P2,P3,P4,P5,P6,P7,P8,P9,P10,P11,P12,P13,VME}
{ $(DEVICE) , 0 , NAME1 , 1 , 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 , 0 , 0 , 0 , 1 }
{ $(DEVICE) , 0 , NAME2 , 2 , 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 , 0 , 0 , 0 , 1 }
...
{ $(DEVICE) , 0 , NAME15 , 12 , 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 , 0 , 0 , 1 , 1 }
}


xxxApp/Db/second contains Makefile, second.substitutions:
Makefile has:
DB += second.db
second.substitutions looks something like this:
file firstAll.db {
pattern { DEVICE }
{ device1 }
{ device2 }
...
{device30}
}

and xxxApp/Db/Makefile looks like:
TOP = ../..
include $(TOP)/configure/CONFIG
# first must be first since second will need for the .db file created by first
DIRS += first DIRS += second
include $(TOP)/configure/RULES_DIRS

The RULES.Db files that come with epics 3.14.8.2 will do the MSI properly - I don't think we had to change RULES.Db for this.

If you don't like sub-directories, just create more *Db directories under xxxApp:
	xxxApp/CommonDb1
	xxxApp/CommonDb2
	xxxApp/Db  (which depends on CommonDb1 and CommonDb2 being built first)
	xxxApp/Makefile must enforce proper build order

Note there is a bug in the RULES somewhere that requires the "{" that comes after the "file xxxx.db" to be on the next line if xxxx.db comes from another module listed in your RELEASE file.
Doesn't work:
file xxxx.db {
Works: file xxxx.db
{

Hope this helps more than confuses...

Stephanie Allison

Replies:

RE: multiple levels of substitution in msi Allison, Stephanie

References:

multiple levels of substitution in msi John Dobbins

RE: multiple levels of substitution in msi Allison, Stephanie

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