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Commit843363b

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Use .NOTPARALLEL in ecpg/Makefile to avoid a gmake parallelism bug.
Investigation shows that some intermittent build failures in ecpg are theresult of a gmake bug that was reported quite some time ago:http://savannah.gnu.org/bugs/?30653Preventing parallel builds of the ecpg subdirectories seems to dodge thebug. Per yesterday's pgsql-hackers discussion, there are some other thingsin the subdirectory makefiles that seem rather unsafe for parallel buildstoo, but there's little point in fixing them as long as we have to workaround a make bug.Back-patch to 9.1; parallel builds weren't very well supported beforethat anyway.
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‎src/interfaces/ecpg/Makefile

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@@ -4,6 +4,14 @@ include $(top_builddir)/src/Makefile.global
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SUBDIRS = include pgtypeslib ecpglib compatlib preproc
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# Suppress parallel build of subdirectories to avoid a bug in gmake 3.82, cf
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# http://savannah.gnu.org/bugs/?30653
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# https://bugzilla.redhat.com/show_bug.cgi?id=835424
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# (There are some other parallelism bugs in the subdirectory makefiles
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# themselves, but there's little point in fixing them as long as we have
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# to use this big hammer.)
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.NOTPARALLEL:
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$(recurse)
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all-pgtypeslib-recurseall-ecpglib-recurseall-compatlib-recurseall-preproc-recurse: all-include-recurse

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