[PATCH 2/4] Tidy some include usage + dependencies

[Richard Henderson <rth at redhat dot com>]

The dwarf2out.c and lto-streamer-in.c files didn't need
libfuncs.h in the first place.  The libfuncs.h file will
grow a use of an optab enumeration and thus will require
including optabs.h.
---
 gcc/Makefile.in       |   16 ++++++++--------
 gcc/dwarf2out.c       |    1 -
 gcc/libfuncs.h        |    1 +
 gcc/lto-streamer-in.c |    1 -
 4 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index d48c696..06b8179 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -971,7 +971,7 @@ GCC_PLUGIN_H = gcc-plugin.h highlev-plugin-common.h plugin.def \
 		$(CONFIG_H) $(SYSTEM_H) $(HASHTAB_H)
 PLUGIN_H = plugin.h $(GCC_PLUGIN_H)
 PLUGIN_VERSION_H = plugin-version.h configargs.h
-LIBFUNCS_H = libfuncs.h $(HASHTAB_H)
+LIBFUNCS_H = libfuncs.h $(HASHTAB_H) $(OPTABS_H)
 
 #
 # Now figure out from those variables how to compile and link.
@@ -2158,9 +2158,9 @@ lto-cgraph.o: lto-cgraph.c $(CONFIG_H) $(SYSTEM_H) coretypes.h   \
    $(EXCEPT_H) $(TIMEVAR_H) pointer-set.h $(LTO_STREAMER_H) \
    $(GCOV_IO_H) $(DATA_STREAMER_H) $(TREE_STREAMER_H)
 lto-streamer-in.o: lto-streamer-in.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
-   $(TM_H) toplev.h $(DIAGNOSTIC_CORE_H) $(EXPR_H) $(FLAGS_H) $(PARAMS_H) input.h \
-   $(HASHTAB_H) $(BASIC_BLOCK_H) $(TREE_FLOW_H) $(TREE_PASS_H) $(CGRAPH_H) \
-   $(FUNCTION_H) $(GGC_H) $(DIAGNOSTIC_H) $(LIBFUNCS_H) $(EXCEPT_H) debug.h \
+   $(TM_H) toplev.h $(DIAGNOSTIC_CORE_H) $(EXPR_H) $(FLAGS_H) $(PARAMS_H) \
+   input.h $(HASHTAB_H) $(BASIC_BLOCK_H) $(TREE_FLOW_H) $(TREE_PASS_H) \
+   $(CGRAPH_H) $(FUNCTION_H) $(GGC_H) $(DIAGNOSTIC_H) $(EXCEPT_H) debug.h \
    $(IPA_UTILS_H) $(LTO_STREAMER_H) toplev.h \
    $(DATA_STREAMER_H) $(GIMPLE_STREAMER_H) $(TREE_STREAMER_H)
 lto-streamer-out.o : lto-streamer-out.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
@@ -2794,10 +2794,10 @@ sdbout.o : sdbout.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) debug.h \
    $(TREE_H) $(GGC_H) $(RTL_H) $(REGS_H) $(FLAGS_H) insn-config.h \
    output.h $(DIAGNOSTIC_CORE_H) $(TM_P_H) gsyms.h langhooks.h $(TARGET_H) sdbout.h \
    gt-sdbout.h reload.h
-dwarf2out.o : dwarf2out.c $(CONFIG_H) $(SYSTEM_H) coretypes.h dumpfile.h $(TM_H) \
-   $(TREE_H) version.h $(RTL_H) $(DWARF2_H) debug.h $(FLAGS_H) insn-config.h \
-   output.h $(DIAGNOSTIC_H) hard-reg-set.h $(REGS_H) $(EXPR_H) \
-   $(LIBFUNCS_H) toplev.h $(DIAGNOSTIC_CORE_H) $(DWARF2OUT_H) reload.h \
+dwarf2out.o : dwarf2out.c $(CONFIG_H) $(SYSTEM_H) coretypes.h dumpfile.h \
+   $(TM_H) $(TREE_H) version.h $(RTL_H) $(DWARF2_H) debug.h $(FLAGS_H) \
+   insn-config.h output.h $(DIAGNOSTIC_H) hard-reg-set.h $(REGS_H) $(EXPR_H) \
+   toplev.h $(DIAGNOSTIC_CORE_H) $(DWARF2OUT_H) reload.h \
    $(GGC_H) $(EXCEPT_H) dwarf2asm.h $(TM_P_H) langhooks.h $(HASHTAB_H) \
    gt-dwarf2out.h $(TARGET_H) $(CGRAPH_H) $(MD5_H) $(INPUT_H) $(FUNCTION_H) \
    $(GIMPLE_H) $(TREE_FLOW_H) \
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c
index d4b6831..b60c4ce 100644
--- a/gcc/dwarf2out.c
+++ b/gcc/dwarf2out.c
@@ -72,7 +72,6 @@ along with GCC; see the file COPYING3.  If not see
 #include "function.h"
 #include "output.h"
 #include "expr.h"
-#include "libfuncs.h"
 #include "except.h"
 #include "dwarf2.h"
 #include "dwarf2out.h"
diff --git a/gcc/libfuncs.h b/gcc/libfuncs.h
index b01aed3..bac4918 100644
--- a/gcc/libfuncs.h
+++ b/gcc/libfuncs.h
@@ -21,6 +21,7 @@ along with GCC; see the file COPYING3.  If not see
 #define GCC_LIBFUNCS_H
 
 #include "hashtab.h"
+#include "optabs.h"
 
 /* Enumeration of indexes into libfunc_table.  */
 enum libfunc_index
diff --git a/gcc/lto-streamer-in.c b/gcc/lto-streamer-in.c
index 07ae2b3..89e337c 100644
--- a/gcc/lto-streamer-in.c
+++ b/gcc/lto-streamer-in.c
@@ -38,7 +38,6 @@ along with GCC; see the file COPYING3.  If not see
 #include "function.h"
 #include "ggc.h"
 #include "diagnostic.h"
-#include "libfuncs.h"
 #include "except.h"
 #include "debug.h"
 #include "vec.h"
-- 
1.7.7.6