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https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=ecb95399f43873e1f34119ac260bbea2ef358e53

From fcf952823a3d246e6459ce7454144a96fc1f540b Mon Sep 17 00:00:00 2001
From: Kewen Lin <linkw@linux.ibm.com>
Date: Tue, 15 Aug 2023 03:01:20 -0500
Subject: [PATCH 13/14] Makefile.in: Make recog.h depend on $(TREE_H)
 [PR111021]

Commit r14-3093 introduced a random build failure on
build/gencondmd.cc building.  Since r14-3093 make recog.h
include tree.h, which further includes (depends on) some
files that are generated during the building, such as:
all-tree.def, tree-check.h etc, when building file
build/gencondmd.cc, the build can fail if these dependences
are not ready.  So this patch is to teach this dependence.

Thank Jan-Benedict Glaw for testing this!

	PR bootstrap/111021

gcc/ChangeLog:

	* Makefile.in (RECOG_H): Add $(TREE_H) as dependence.

(cherry picked from commit ecb95399f43873e1f34119ac260bbea2ef358e53)
---
 gcc/Makefile.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index 115d2a6d9b76..2c16b14ad0f3 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -985,7 +985,7 @@ GIMPLE_H = gimple.h gimple.def gsstruct.def $(VEC_H) \
 	$(GGC_H) $(BASIC_BLOCK_H) $(TREE_H) tree-ssa-operands.h \
 	tree-ssa-alias.h $(INTERNAL_FN_H) $(HASH_TABLE_H) is-a.h
 GCOV_IO_H = gcov-io.h version.h auto-host.h gcov-counter.def
-RECOG_H = recog.h
+RECOG_H = recog.h $(TREE_H)
 EMIT_RTL_H = emit-rtl.h
 FLAGS_H = flags.h flag-types.h $(OPTIONS_H)
 OPTIONS_H = options.h flag-types.h $(OPTIONS_H_EXTRA)
-- 
2.43.0