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Guard against using plperl's Makefile without specifying --with-perl.

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The $(PERL) macro will be set by configure if it finds perl at all,
but $(perl_privlibexp) isn't configured unless you said --with-perl.
This results in confusing error messages if someone cd's into
src/pl/plperl and tries to build there despite the configure omission,
as reported by Tomas Vondra in bug #6198.  Add simple checks to
provide a more useful report, while not disabling other use of the
makefile such as "make clean".

Back-patch to 9.0, which is as far as the patch applies easily.
This commit is contained in:
Tom Lane
2011-09-04 20:07:38 -04:00
parent 1ae019f04b
commit eed7dcfcee
1 changed files with 4 additions and 0 deletions
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4
src/pl/plperl/GNUmakefile
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@@ -60,17 +60,21 @@ include $(top_srcdir)/src/Makefile.shlib
plperl.o: perlchunks.h plperl_opmask.h
plperl_opmask.h: plperl_opmask.pl
@if [ x"$(perl_privlibexp)" = x"" ]; then echo "configure switch --with-perl was not specified."; exit 1; fi
$(PERL) $< $@
perlchunks.h: $(PERLCHUNKS)
@if [ x"$(perl_privlibexp)" = x"" ]; then echo "configure switch --with-perl was not specified."; exit 1; fi
$(PERL) $(srcdir)/text2macro.pl --strip='^(\#.*|\s*)$$' $^ > $@
all: all-lib
SPI.c: SPI.xs
@if [ x"$(perl_privlibexp)" = x"" ]; then echo "configure switch --with-perl was not specified."; exit 1; fi
$(PERL) $(perl_privlibexp)/ExtUtils/xsubpp -typemap $(perl_privlibexp)/ExtUtils/typemap $< >$@
Util.c: Util.xs
@if [ x"$(perl_privlibexp)" = x"" ]; then echo "configure switch --with-perl was not specified."; exit 1; fi
$(PERL) $(perl_privlibexp)/ExtUtils/xsubpp -typemap $(perl_privlibexp)/ExtUtils/typemap $< >$@