35 lines
1.2 KiB
Diff
35 lines
1.2 KiB
Diff
From 541943ee04ee22101bbbde2386272b1cad635132 Mon Sep 17 00:00:00 2001
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From: Akim Demaille <akim.demaille@gmail.com>
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Date: Sun, 6 Sep 2020 10:08:22 +0200
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Subject: [PATCH] build: fix a concurrent build issue in examples
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Reported by Thomas Deutschmann <whissi@gentoo.org>.
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https://lists.gnu.org/r/bug-bison/2020-09/msg00010.html
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* examples/c/lexcalc/local.mk: scan.o depends on parse.[ch].
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---
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examples/c/lexcalc/local.mk | 7 +++++++
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1 file changed, 7 insertions(+)
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diff --git a/examples/c/lexcalc/local.mk b/examples/c/lexcalc/local.mk
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index b73887e..636275c 100644
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--- a/examples/c/lexcalc/local.mk
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+++ b/examples/c/lexcalc/local.mk
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@@ -31,6 +31,13 @@ endif FLEX_WORKS
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%D%/parse.c: $(dependencies)
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+# Tell Make scan.o depends on parse.h, except that Make sees only
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+# parse.c, not parse.h. We can't use BUILT_SOURCES to this end, since
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+# we use the built bison.
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+%D%/lexcalc$(DASH)scan.o: %D%/parse.c
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+# Likewise, but for Automake before 1.16.
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+%D%/examples_c_lexcalc_lexcalc$(DASH)scan.o: %D%/parse.c
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+
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EXTRA_DIST += %D%/lexcalc.test
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dist_lexcalc_DATA = %D%/parse.y %D%/scan.l %D%/Makefile %D%/README.md
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CLEANFILES += %D%/parse.[ch] %D%/scan.c %D%/parse.output
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--
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1.8.3.1
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