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dtprintinfo: fix a mulit-core build race, for realz this time

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This commit is contained in:
Jon Trulson 2019-11-22 17:35:21 -07:00
parent 56fb574793
commit a5a5d83cbd
1 changed files with 9 additions and 1 deletions
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10
cde/programs/dtprintinfo/Makefile.am
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@ -61,7 +61,15 @@ SYM2NUM_CMD = CPP=$(GENCPP) $(KSH) sym2num
BUILT_SOURCES = dtprintinfo_cat.h dtprintinfo_msg.h dtprintinfo.msg
CLEANFILES = $(BUILT_SOURCES)
# this will also create dtprintinfo_msg.h
# we set this up as an empty target to please make. The commands for
# the dtprintinfo.msg target will generate it. We do it this way so
# that this module can be built in parallel without causing corruption
# in the dtprintinfo_msg.h file. Otherwise an attempt to call
# SYM2NUM_CMD twice will occur during multi-core builds if it is
# listed as the second target depending on dtprintinfo.msg.src along
# with dtprintinfo.msg.
dtprintinfo_msg.h:
dtprintinfo.msg: dtprintinfo.msg.src
$(RM) dtprintinfo_msg.h dtprintinfo.msg
$(SYM2NUM_CMD) dtprintinfo dtprintinfo.msg.src > dtprintinfo.msg