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Fix regression test parallel-make hazard.

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Back-patch 9.4-era commit 384f933046 into
the previous branches.  Although that was only advertised as repairing a
problem with missed header-file dependencies, it turns out to also be
important for parallel make safety.  The previous coding allowed two
independent make jobs to get launched concurrently in contrib/spi.
Normally this would be OK, because they are building independent targets;
but if --enable-depend is in use, it's unsafe, because one make run might
try to read a .deps file that the other one is in process of rewriting.
This is evidently the cause of buildfarm member francolin's recent failure
in the 9.2 branch.  I believe this patch will result in only one subsidiary
make run, making it safe(r).

Report: http://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=francolin&dt=2016-08-12%2017%3A12%3A52
This commit is contained in:
Tom Lane 2016-08-12 20:51:59 -04:00
parent 16cc6d23b8
commit d90463bde1
1 changed files with 11 additions and 6 deletions
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17
src/test/regress/GNUmakefile
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@ -111,14 +111,19 @@ autoinc$(DLSUFFIX): $(top_builddir)/contrib/spi/autoinc$(DLSUFFIX)
dummy_seclabel$(DLSUFFIX): $(top_builddir)/contrib/dummy_seclabel/dummy_seclabel$(DLSUFFIX)
cp $< $@
$(top_builddir)/contrib/spi/refint$(DLSUFFIX): $(top_srcdir)/contrib/spi/refint.c
$(MAKE) -C $(top_builddir)/contrib/spi refint$(DLSUFFIX)
$(top_builddir)/contrib/spi/refint$(DLSUFFIX): | submake-contrib-spi ;
$(top_builddir)/contrib/spi/autoinc$(DLSUFFIX): $(top_srcdir)/contrib/spi/autoinc.c
$(MAKE) -C $(top_builddir)/contrib/spi autoinc$(DLSUFFIX)
$(top_builddir)/contrib/spi/autoinc$(DLSUFFIX): | submake-contrib-spi ;
$(top_builddir)/contrib/dummy_seclabel/dummy_seclabel$(DLSUFFIX): $(top_builddir)/contrib/dummy_seclabel/dummy_seclabel.c
$(MAKE) -C $(top_builddir)/contrib/dummy_seclabel dummy_seclabel$(DLSUFFIX)
$(top_builddir)/contrib/dummy_seclabel/dummy_seclabel$(DLSUFFIX): | submake-contrib-dummy_seclabel ;
submake-contrib-spi:
$(MAKE) -C $(top_builddir)/contrib/spi
submake-contrib-dummy_seclabel:
$(MAKE) -C $(top_builddir)/contrib/dummy_seclabel
.PHONY: submake-contrib-spi submake-contrib-dummy_seclabel
# Tablespace setup