Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 38 insertions, 0 deletions

diff --git a/scripts/genksyms/Makefile b/scripts/genksyms/Makefile
new file mode 100644
index 000000000..03b7ce97d
--- /dev/null
+++ b/scripts/genksyms/Makefile
@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: GPL-2.0
+
+hostprogs-y	:= genksyms
+always		:= $(hostprogs-y)
+
+genksyms-objs	:= genksyms.o parse.tab.o lex.lex.o
+
+# FIXME: fix the ambiguous grammar in parse.y and delete this hack
+#
+# Suppress shift/reduce, reduce/reduce conflicts warnings
+# unless W=1 is specified.
+#
+# Just in case, run "$(YACC) --version" without suppressing stderr
+# so that 'bison: not found' will be displayed if it is missing.
+ifeq ($(findstring 1,$(KBUILD_ENABLE_EXTRA_GCC_CHECKS)),)
+
+quiet_cmd_bison_no_warn = $(quiet_cmd_bison)
+      cmd_bison_no_warn = $(YACC) --version >/dev/null; \
+			  $(cmd_bison) 2>/dev/null
+
+$(obj)/parse.tab.c: $(src)/parse.y FORCE
+	$(call if_changed,bison_no_warn)
+
+quiet_cmd_bison_h_no_warn = $(quiet_cmd_bison_h)
+      cmd_bison_h_no_warn = $(YACC) --version >/dev/null; \
+			    $(cmd_bison_h) 2>/dev/null
+
+$(obj)/parse.tab.h: $(src)/parse.y FORCE
+	$(call if_changed,bison_h_no_warn)
+
+endif
+
+# -I needed for generated C source (shipped source)
+HOSTCFLAGS_parse.tab.o := -I$(src)
+HOSTCFLAGS_lex.lex.o := -I$(src)
+
+# dependencies on generated files need to be listed explicitly
+$(obj)/lex.lex.o: $(obj)/parse.tab.h