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Hide warnings from Python headers when using gcc-compatible compiler.

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Like commit 388e80132, use "#pragma GCC system_header" to silence
warnings appearing within the Python headers, since newer Python
versions no longer worry about some restrictions we still use like
-Wdeclaration-after-statement.

This patch improves on 388e80132 by inventing a separate wrapper
header file, allowing the pragma to be tightly scoped to just
the Python headers and not other stuff we have laying about in
plpython.h.  I applied the same technique to plperl for the same
reason: the original patch suppressed warnings for a good deal
of our own code, not only the Perl headers.

Like the previous commit, back-patch to supported branches.

Peter Eisentraut and Tom Lane

Discussion: https://postgr.es/m/ae523163-6d2a-4b81-a875-832e48dec502@eisentraut.org
This commit is contained in:
Tom Lane
2023-12-26 16:16:29 -05:00
parent 951eaecbc3
commit 7978eee02e
6 changed files with 359 additions and 296 deletions
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3
src/pl/plpython/Makefile
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@ -42,6 +42,7 @@ endif
# header files to install - it's not clear which of these might be needed
# so install them all.
INCS = plpython.h \
plpython_system.h \
plpy_cursorobject.h \
plpy_elog.h \
plpy_exec.h \
@ -131,7 +132,7 @@ install-data: installdirs
uninstall-data:
rm -f $(addprefix '$(DESTDIR)$(datadir)/extension'/, $(notdir $(DATA)))
rm -f $(addprefix '$(DESTDIR)$(includedir_server)'/, plpython.h plpy_util.h)
rm -f $(addprefix '$(DESTDIR)$(includedir_server)'/, $(INCS))
.PHONY: install-data uninstall-data