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Fix Makefile so invalid characters warning preserves error code

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Fix for commit e4c8865196f.

Reported-by: Peter Eisentraut

Discussion: https://postgr.es/m/88cb6ecf-22bb-431e-974b-1cd236a80364@eisentraut.org

Backpatch-through: master
This commit is contained in:
Bruce Momjian 2024-12-03 18:27:41 -05:00
parent 8b318a168a
commit 498f130756
1 changed files with 5 additions and 3 deletions
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8
doc/src/sgml/Makefile
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@ -156,9 +156,11 @@ XSLTPROC_FO_FLAGS += --stringparam img.src.path '$(srcdir)/'
$(XSLTPROC) $(XMLINCLUDE) $(XSLTPROCFLAGS) $(XSLTPROC_FO_FLAGS) --stringparam paper.type USletter -o $@ $^
%.pdf: %.fo $(ALL_IMAGES)
LANG=C $(FOP) -fo $< -pdf $@ 2>&1 | \
awk 'BEGIN { warn = 0 } { 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") }' 1>&2
@# There is no easy way to pipe output and capture its return code, so output a special string on failure.
{ LANG=C $(FOP) -fo $< -pdf $@ 2>&1; [ "$$?" -ne 0 ] && echo "FOP_ERROR"; } | \
awk 'BEGIN { warn = 0 } ! /^FOP_ERROR$$/ { 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"); \
if ($$0 ~ /^FOP_ERROR$$/) { exit 1} }' 1>&2
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