Experimental Physics and
Industrial Control System

of  the product example, it is part of  the host product sncProgram.

The file sncExample.stt is part of the product example and when I define
SNCSEQ in the RELEASE file, build the ioc application, and then touch

is rebuilt.

Libraries outside the ioc application  will not be dependancies. The
ioc application RELEASE file contains the following lines:

# NOTE: The build does not check dependencies against files
# that are outside this application, thus you should run
# "gnumake distclean install" in the top directory each time
# EPICS_BASE, SNCSEQ, or any other external module defined
# in the RELEASE file is rebuilt.
#

Janet

Benjamin Franksen wrote:

When, in the makeBaseApp-generated example, in exampleApp/src/Makefile I change

PROD_IOC = example

to

PROD_IOC_vxWorks = example

then the product no longer depends on neither sources nor libraries. I can do e.g.

aragon: .../work/test > make -s
[...make builds everything...]

aragon: .../work/test > touch exampleApp/src/sncProgram.st aragon: .../work/test > make -s

[...silence, nothing is done...]

aragon: .../work/test > I suspect that the problem is in the generated MakefileInclude. Here is a snippet:

ifeq ($(filter example,$(TESTPROD) $(PROD)),example)
ifeq (,$(strip $(example_OBJS) $(PRODUCT_OBJS)))
example_OBJS+=example$(OBJ)
endif
example_RESS+=$(addsuffix $(RES),$(basename $(example_RCS)))
example_OBJSNAME+=$(addsuffix $(OBJ),$(basename $(example_OBJS)))
example_DEPLIBS=$(foreach lib, $(example_LDLIBS),\
 $(firstword $(wildcard $(addsuffix /$(LIB_PREFIX)$(lib).*,\
 $($(lib)_DIR) $(SHRLIB_SEARCH_DIRS)))\
 $(addsuffix /$(LIB_PREFIX)$(lib)$(LIB_SUFFIX),\
 $(firstword $($(lib)_DIR) $(SHRLIB_SEARCH_DIRS))/)))
example$(EXE): $(example_OBJSNAME) $(example_RESS) $(example_DEPLIBS)
endif

So example will depend on its libraries only if mentioned in either PROD or TESTPROD, but not if mentioned only in e.g. PROD_IOC_vxWorks.

I have no idea what the outer ifeq...endif is good for; maybe it could be removed?

Would be nice if this could be fixed before 3.14.9 comes out.

Cheers
Ben

Replies:

[solved:] no bug in build system (though questions remain) Benjamin Franksen

References:

Bug in generated MakefileInclude? Benjamin Franksen

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