Re: Build problem with db dependencies

[Bruce Hill <bhill@slac.stanford.edu>]

Thanks Emma!
Looks like we didn't have this problem with 3.14.9
as makeDbDepends.pl was creating dependency
files with no dependencies.

Cheers!
- Bruce

On 03/19/2012 11:00 PM, Emma Shepherd wrote:
> Hi Bruce,
>
> Good timing - I just ran into the same problem today!  I agree, it's a pain to have to run 'make rebuild' every time.  Thanks for the patch, that works for me too.
>
> Cheers,
>
> Emma
>
> -----Original Message-----
> From: tech-talk-bounces@aps.anl.gov [mailto:tech-talk-bounces@aps.anl.gov] On Behalf Of Bruce Hill
> Sent: Saturday, 18 February 2012 11:31 AM
> To: tech-talk@aps.anl.gov
> Subject: Build problem with db dependencies
>
> Has anyone else run into a build dependency problem with base-3,14,12?
>
> What I've been finding is that I can build an IOC or module that depends on
> *.db or *.template files from another module successfully the first time, but
> it fails on subsequent builds.
>
> Example build output:
> % make
> perl /reg/g/pcds/package/epics/3.14/base/R3.14.12-0.4.0/bin/linux-x86_64/makeMakefile.pl O.linux-x86_64 ../../..
> perl /reg/g/pcds/package/epics/3.14/base/R3.14.12-0.4.0/bin/linux-x86_64/makeMakefile.pl O.RTEMS-beatnik ../../..
> perl /reg/g/pcds/package/epics/3.14/base/R3.14.12-0.4.0/bin/linux-x86_64/makeMakefile.pl O.linux-x86 ../../..
> mkdir O.Common
> /usr/bin/make -C O.linux-x86_64 -f ../Makefile TOP=../../.. T_A=linux-x86_64 install
> make[1]: Entering directory `/reg/neh/home/bhill/wa2/epics/iocTest/test-R3.14.12/evr1/myEvrApp/Db/O.linux-x86_64'
> perl /reg/g/pcds/package/epics/3.14/base/R3.14.12-0.4.0/bin/linux-x86_64/makeDbDepends.pl ../O.Common/iocAdmin.db ../iocAdmin.substitutions>>  iocAdmin.db.d
> echo "../O.Common/iocAdmin.db : ">>  iocAdmin.db.d
> Inflating database from ../iocAdmin.substitutions
> /reg/g/pcds/package/epics/3.14/extensions/current/bin/linux-x86/msi   -I. -I.. -I../O.Common -I ../../../db     -I/reg/g/pcds/package/epics/3.14/base/R3.14.12-0.4.0/db     -I/reg/g/pcds/package/epics/3.14/modules/autosave/R4.2.1.2-2.7.0/db -I/reg/g/pcds/package/epics/3.14/modules/iocAdmin/R3.0.0-1.6.0/db -I/reg/neh/home/bhill/wa2/trunk/pcds/epics/modules/event/current/db  -S../iocAdmin.substitutions>  iocAdmin.tmp
> mv iocAdmin.tmp ../O.Common/iocAdmin.db
> perl /reg/g/pcds/package/epics/3.14/base/R3.14.12-0.4.0/bin/linux-x86_64/makeDbDepends.pl ../O.Common/evr.db ../evr.substitutions>>  evr.db.d
> echo "../O.Common/evr.db : ">>  evr.db.d
> Inflating database from ../evr.substitutions
> /reg/g/pcds/package/epics/3.14/extensions/current/bin/linux-x86/msi   -I. -I.. -I../O.Common -I ../../../db     -I/reg/g/pcds/package/epics/3.14/base/R3.14.12-0.4.0/db     -I/reg/g/pcds/package/epics/3.14/modules/autosave/R4.2.1.2-2.7.0/db -I/reg/g/pcds/package/epics/3.14/modules/iocAdmin/R3.0.0-1.6.0/db -I/reg/neh/home/bhill/wa2/trunk/pcds/epics/modules/event/current/db  -S../evr.substitutions>  evr.tmp
> mv evr.tmp ../O.Common/evr.db
> Installing created db file ../../../db/iocAdmin.db
> Installing created db file ../../../db/evr.db
> make[1]: Leaving directory `/reg/neh/home/bhill/wa2/epics/iocTest/test-R3.14.12/evr1/myEvrApp/Db/O.linux-x86_64'
> /usr/bin/make -C O.RTEMS-beatnik -f ../Makefile TOP=../../.. T_A=RTEMS-beatnik install
> make[1]: Entering directory `/reg/neh/home/bhill/wa2/epics/iocTest/test-R3.14.12/evr1/myEvrApp/Db/O.RTEMS-beatnik'
> make[1]: Nothing to be done for `install'.
> make[1]: Leaving directory `/reg/neh/home/bhill/wa2/epics/iocTest/test-R3.14.12/evr1/myEvrApp/Db/O.RTEMS-beatnik'
> /usr/bin/make -C O.linux-x86 -f ../Makefile TOP=../../.. T_A=linux-x86 install
> make[1]: Entering directory `/reg/neh/home/bhill/wa2/epics/iocTest/test-R3.14.12/evr1/myEvrApp/Db/O.linux-x86'
> make[1]: Nothing to be done for `install'.
> make[1]: Leaving directory `/reg/neh/home/bhill/wa2/epics/iocTest/test-R3.14.12/evr1/myEvrApp/Db/O.linux-x86'
> (232) 04:29 PM psusr115:~/wa2/epics/iocTest/test-R3.14.12/evr1/myEvrApp/Db
> % make
> /usr/bin/make -C O.linux-x86_64 -f ../Makefile TOP=../../.. T_A=linux-x86_64 install
> make[1]: Entering directory `/reg/neh/home/bhill/wa2/epics/iocTest/test-R3.14.12/evr1/myEvrApp/Db/O.linux-x86_64'
> make[1]: *** No rule to make target `ioc.db', needed by `../O.Common/iocAdmin.db'.  Stop.
> make[1]: Leaving directory `/reg/neh/home/bhill/wa2/epics/iocTest/test-R3.14.12/evr1/myEvrApp/Db/O.linux-x86_64'
> make: *** [install.linux-x86_64] Error 2
>
> The first build succeeds because RELEASE_DBFLAGS has a list of -I directives
> which includes the released iocAdmin module's db dir, so msi is able to use that
> to successfully build my iocAdmin.db file.
>
> The problem arises because the first build also creates a dependency file
> for iocAdmin.db using makeDbDepends.pl that looks like this.
>
> % cat O.linux-x86_64/iocAdmin.db.d
> ../O.Common/iocAdmin.db: ioc.db access.db iocCluster.db
> ../O.Common/iocAdmin.db :
>
>
> Subsequent builds fail because ioc.db is over in the released iocAdmin  module's db dir,
> which doesn't end up on the vpath for .db files.
>
> I think I have a fix for it, but I can't figure out why this hasn't been a problem for us
> and others before now.
>
> I'd like to avoid customizing my base configure files to the extent possible,
> but these changes seem to fix the problem.
>
> % svn diff
> Index: CONFIG_APP_INCLUDE
> ===================================================================
> --- CONFIG_APP_INCLUDE  (revision 8621)
> +++ CONFIG_APP_INCLUDE  (working copy)
> @@ -16,6 +16,8 @@
>      RELEASE_INCLUDES += $$(addprefix -I,$$(wildcard $$(strip $$($(1)))/include))
>      RELEASE_DBDFLAGS += $$(addprefix -I,$$(wildcard $$(strip $$($(1)))/dbd))
>      RELEASE_DBFLAGS += $$(addprefix -I,$$(wildcard $$(strip $$($(1)))/db))
> +  RELEASE_DIRS_DBD += $$(wildcard $$(strip $$($(1)))/dbd)
> +  RELEASE_DIRS_DB  += $$(wildcard $$(strip $$($(1)))/db)
>      RELEASE_PERL_MODULE_DIRS += $$(wildcard $$($(1)_LIB)/perl)
>    endef
>    $(foreach top, $(RELEASE_TOPS), $(eval $(call RELEASE_FLAGS_template,$(top)) ))
> Index: RULES.Db
> ===================================================================
> --- RULES.Db    (revision 8757)
> +++ RULES.Db    (working copy)
> @@ -11,10 +11,10 @@
>    #####################################################  vpath
>
>    vpath %.dbd $(USR_VPATH) $(GENERIC_SRC_DIRS) $(dir $(DBD))
> -vpath %.db $(USR_VPATH) $(GENERIC_SRC_DIRS) $(dir $(DB))
> -vpath %.vdb $(USR_VPATH) $(GENERIC_SRC_DIRS) $(dir $(DB))
> +vpath %.db $(USR_VPATH) $(GENERIC_SRC_DIRS) $(dir $(DB)) $(RELEASE_DIRS_DB)
> +vpath %.vdb $(USR_VPATH) $(GENERIC_SRC_DIRS) $(dir $(DB)) $(RELEASE_DIRS_DBD)
>    vpath %.substitutions $(USR_VPATH) $(GENERIC_SRC_DIRS) $(COMMON_DIR)
> -vpath %.template $(USR_VPATH) $(GENERIC_SRC_DIRS) $(COMMON_DIR)
> +vpath %.template $(USR_VPATH) $(GENERIC_SRC_DIRS) $(COMMON_DIR) $(RELEASE_DIRS_DB)
>    vpath bpt%.data $(USR_VPATH) $(GENERIC_SRC_DIRS) $(COMMON_DIR)
>    vpath %.acf $(USR_VPATH) $(GENERIC_SRC_DIRS) $(COMMON_DIR)
>    vpath %.acs $(USR_VPATH) $(GENERIC_SRC_DIRS) $(COMMON_DIR)
>
>
> Any comments would be appreciated.
> Thanks,
> - Bruce
>
>
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--
Bruce Hill
Member Technical Staff
SLAC National Accelerator Lab
2575 Sand Hill Road M/S 10
Menlo Park, CA  94025