kconfig: split some C files out of zconf.y

I want to compile each C file independently instead of including all
of them from zconf.y.

Split out confdata.c, expr.c, symbol.c, and preprocess.c .
These are low-hanging fruits.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

7 files changed, 16 insertions, 15 deletions

diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index 63b609243d03..d3bd68754750 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -142,13 +142,8 @@ help:
         @echo  '  testconfig      - Run Kconfig unit tests (requires python3 and pytest)'
 
 # ===========================================================================
-# Shared Makefile for the various kconfig executables:
-# conf:   Used for defconfig, oldconfig and related targets
 # object files used by all kconfig flavours
-
-conf-objs       := conf.o  zconf.tab.o
-
-hostprogs-y := conf
+common-objs     := confdata.o expr.o symbol.o preprocess.o zconf.tab.o
 
 targets         += zconf.lex.c
 
@@ -156,9 +151,13 @@ targets		+= zconf.lex.c
 HOSTCFLAGS_zconf.lex.o  := -I$(src)
 HOSTCFLAGS_zconf.tab.o  := -I$(src)
 
+# conf: Used for defconfig, oldconfig and related targets
+hostprogs-y     += conf
+conf-objs       := conf.o $(common-objs)
+
 # nconf: Used for the nconfig target based on ncurses
 hostprogs-y     += nconf
-nconf-objs      := nconf.o zconf.tab.o nconf.gui.o
+nconf-objs      := nconf.o nconf.gui.o $(common-objs)
 
 HOSTLDLIBS_nconf        = $(shell . $(obj)/.nconf-cfg && echo $$libs)
 HOSTCFLAGS_nconf.o      = $(shell . $(obj)/.nconf-cfg && echo $$cflags)
@@ -169,7 +168,7 @@ $(obj)/nconf.o $(obj)/nconf.gui.o: $(obj)/.nconf-cfg
 # mconf: Used for the menuconfig target based on lxdialog
 hostprogs-y     += mconf
 lxdialog        := checklist.o inputbox.o menubox.o textbox.o util.o yesno.o
-mconf-objs      := mconf.o zconf.tab.o $(addprefix lxdialog/, $(lxdialog))
+mconf-objs      := mconf.o $(addprefix lxdialog/, $(lxdialog)) $(common-objs)
 
 HOSTLDLIBS_mconf = $(shell . $(obj)/.mconf-cfg && echo $$libs)
 $(foreach f, mconf.o $(lxdialog), \
@@ -181,7 +180,7 @@ $(addprefix $(obj)/lxdialog/, $(lxdialog)): $(obj)/.mconf-cfg
 # qconf: Used for the xconfig target based on Qt
 hostprogs-y     += qconf
 qconf-cxxobjs   := qconf.o
-qconf-objs      := zconf.tab.o
+qconf-objs      := $(common-objs)
 
 HOSTLDLIBS_qconf        = $(shell . $(obj)/.qconf-cfg && echo $$libs)
 HOSTCXXFLAGS_qconf.o    = $(shell . $(obj)/.qconf-cfg && echo $$cflags)
@@ -196,7 +195,7 @@ $(obj)/%.moc: $(src)/%.h $(obj)/.qconf-cfg
 
 # gconf: Used for the gconfig target based on GTK+
 hostprogs-y     += gconf
-gconf-objs      := gconf.o zconf.tab.o
+gconf-objs      := gconf.o $(common-objs)
 
 HOSTLDLIBS_gconf    = $(shell . $(obj)/.gconf-cfg && echo $$libs)
 HOSTCFLAGS_gconf.o  = $(shell . $(obj)/.gconf-cfg && echo $$cflags)
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 83f78e5c137e..08ba146a83c5 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -7,6 +7,7 @@
 #include <ctype.h>
 #include <errno.h>
 #include <fcntl.h>
+#include <limits.h>
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/scripts/kconfig/expr.c b/scripts/kconfig/expr.c
index 3ff8c92c86ba..77ffff3a053c 100644
--- a/scripts/kconfig/expr.c
+++ b/scripts/kconfig/expr.c
@@ -3,6 +3,8 @@
  * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
  */
 
+#include <ctype.h>
+#include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index 4ff33cd099cd..160a9312e11a 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -108,6 +108,7 @@ const char *str_get(struct gstr *gs);
 /* symbol.c */
 void sym_clear_all_valid(void);
 struct symbol *sym_choice_default(struct symbol *sym);
+struct property *sym_get_range_prop(struct symbol *sym);
 const char *sym_get_string_default(struct symbol *sym);
 struct symbol *sym_check_deps(struct symbol *sym);
 struct property *prop_alloc(enum prop_type type, struct symbol *sym);
diff --git a/scripts/kconfig/preprocess.c b/scripts/kconfig/preprocess.c
index b028a48b0e76..592dfbfa9fb3 100644
--- a/scripts/kconfig/preprocess.c
+++ b/scripts/kconfig/preprocess.c
@@ -2,6 +2,7 @@
 //
 // Copyright (C) 2018 Masahiro Yamada <yamada.masahiro@socionext.com>
 
+#include <ctype.h>
 #include <stdarg.h>
 #include <stdbool.h>
 #include <stdio.h>
@@ -9,6 +10,7 @@
 #include <string.h>
 
 #include "list.h"
+#include "lkc.h"
 
 #define ARRAY_SIZE(arr)         (sizeof(arr) / sizeof((arr)[0]))
 
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index d1457836e92a..1f9266dadedf 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -86,7 +86,7 @@ static struct property *sym_get_default_prop(struct symbol *sym)
         return NULL;
 }
 
-static struct property *sym_get_range_prop(struct symbol *sym)
+struct property *sym_get_range_prop(struct symbol *sym)
 {
         struct property *prop;
 
diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y
index 0d590cb07b71..a990f46f3825 100644
--- a/scripts/kconfig/zconf.y
+++ b/scripts/kconfig/zconf.y
@@ -731,8 +731,4 @@ void zconfdump(FILE *out)
 
 #include "zconf.lex.c"
 #include "util.c"
-#include "confdata.c"
-#include "expr.c"
-#include "symbol.c"
 #include "menu.c"
-#include "preprocess.c"