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PDF docs build: avoid spurious "warn" in build logs.

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Improve on e4c886519 so that the string "warn" appears in
the output when there's a problem, and not when there isn't.
This should silence noise I've been seeing in my buildfarm
warning scraper.
This commit is contained in:
Tom Lane
2025-02-07 22:12:38 -05:00
parent fb056564ec
commit ecb8226af6
1 changed files with 2 additions and 2 deletions
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4
doc/src/sgml/Makefile
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@ -158,9 +158,9 @@ XSLTPROC_FO_FLAGS += --stringparam img.src.path '$(srcdir)/'
# There is no easy way to pipe output and capture its return code,
# so add a final line to report the return code.
%.pdf: %.fo $(ALL_IMAGES)
{ LANG=C $(FOP) -fo $< -pdf $@ 2>&1; echo "FOP_RETURN $$?"; } | \
@ { LANG=C $(FOP) -fo $< -pdf $@ 2>&1; echo "FOP_RETURN $$?"; } | \
$(AWK) 'BEGIN { warn = 0 } $$1 != "FOP_RETURN" { print } /not available in font/ { warn = 1 } \
END { if (warn != 0) print("\nFound characters that cannot be output in the PDF document; see README.non-ASCII"); \
END { if (warn != 0) print("\nWarning: found characters that cannot be output in the PDF document; see README.non-ASCII"); \
if ($$2 != 0) { exit $$2} }' 1>&2