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authorKaz Kylheku <kaz@kylheku.com>2016-05-06 06:49:17 -0700
committerKaz Kylheku <kaz@kylheku.com>2016-05-06 06:49:17 -0700
commit038bed1fa17743cbbfe4d219b6798d88254eef2c (patch)
tree49dd5ac76bd8a5db0ebec983586ec6a1e9afee7a
parente05e5b99f4160c177b3a533b4ac0a770b6f78751 (diff)
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Some recent versions of flex contain // comment.
Makefile (lex.yy.c): Crudely and shamelessly filter lex.yy.c through sed to remove // commments, even if // occurs in a string literal or a /*...*/ comment which ends on that line.
-rw-r--r--Makefile7
1 files changed, 6 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index eaf50be1..6fb88e8e 100644
--- a/Makefile
+++ b/Makefile
@@ -207,7 +207,12 @@ $(eval $(foreach item,y.tab.c y.tab.h lex.yy.c,\
lex.yy.c: $(top_srcdir)parser.l
$(call ABBREV,LEX)
$(V)rm -f $@
- $(V)$(LEX) $(LEX_DBG_FLAGS) $<
+ $(V)if $(LEX) $(LEX_DBG_FLAGS) $< ; then \
+ sed -e s@//.*@@ < $@ > $@.tmp ; \
+ mv $@.tmp $@ ; \
+ else \
+ exit 1 ; \
+ fi
$(V)chmod a-w $@
y.tab.h: y.tab.c