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build: do not use $< in plain rules

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It works only in implicit rules (or with GNU Make, but not with
Solaris Make).

Reported by Bruno Haible.
http://lists.gnu.org/archive/html/bug-bison/2019-05/msg00009.html
Diagnosed thanks to Kiyoshi Kanazawa.

* examples/c/reccalc/local.mk, examples/d/local.mk,
* examples/java/local.mk: Don't use $< in non implicit rules.
This commit is contained in:
Akim Demaille
2019-05-13 18:32:54 +02:00
parent 6b1933d992
commit 3f25104caf
3 changed files with 5 additions and 5 deletions
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2
examples/c/reccalc/local.mk
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@@ -41,7 +41,7 @@ DASH = -
$(AM_V_LEX)rm -f $@ $@.tmp
$(AM_V_at)$(MKDIR_P) %D%
$(AM_V_at)touch $@.tmp
$(AM_V_at) $(LEX) -o %D%/scan.c --header-file=%D%/scan.h $<
$(AM_V_at)$(LEX) -o%D%/scan.c --header-file=%D%/scan.h $(srcdir)/%D%/scan.l
$(AM_V_at)mv $@.tmp $@
# Don't use gnulib's system headers.