Move config files into output directory for out-of-tree build

Closes #1213

Signed-off-by: Will Wagner <will_wagner@carallon.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

CHANGES

@@ -24,6 +24,7 @@
 
 	#401:  new package: ffmpeg
 	#835:  Package Dataflashboot-1.05 does not compile with buildroot...
+	#1213: Move .config into output directory
 	#1753: lmbench: convert to generic package infrastructure
 	#1771: Fakeroot and the target/generic/device_table.txt create bad...
 	#1807: LZMA 4.32.7, Required header file(s) are missing

Makefile

@@ -43,10 +43,28 @@ comma:=,
 empty:=
 space:=$(empty) $(empty)
 
+ifneq ("$(origin O)", "command line")
+O:=output
+CONFIG_DIR:=$(TOPDIR)
+else
+# other packages might also support Linux-style out of tree builds
+# with the O=<dir> syntax (E.G. Busybox does). As make automatically
+# forwards command line variable definitions those packages get very
+# confused. Fix this by telling make to not do so
+MAKEOVERRIDES =
+# strangely enough O is still passed to submakes with MAKEOVERRIDES
+# (with make 3.81 atleast), the only thing that changes is the output
+# of the origin function (command line -> environment).
+# Unfortunately some packages don't look at origin (E.G. uClibc 0.9.31+)
+# To really make O go away, we have to override it.
+override O:=$(O)
+CONFIG_DIR:=$(O)
+endif
+
 # $(shell find . -name *_defconfig |sed 's/.*\///')
 # Pull in the user's configuration file
 ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
--include .config
+-include $(CONFIG_DIR)/.config
 endif
 
 # Override BR2_DL_DIR if shell variable defined
@@ -135,6 +153,16 @@ FCFLAGS_FOR_BUILD:=-g -O2
 endif
 export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTFC HOSTLD
 
+# bash prints the name of the directory on 'cd <dir>' if CDPATH is
+# set, so unset it here to not cause problems. Notice that the export
+# line doesn't affect the environment of $(shell ..) calls, so
+# explictly throw away any output from 'cd' here.
+export CDPATH:=
+BASE_DIR := $(shell mkdir -p $(O) && cd $(O) >/dev/null && pwd)
+$(if $(BASE_DIR),, $(error output directory "$(O)" does not exist))
+
+BUILD_DIR:=$(BASE_DIR)/build
+
 
 ifeq ($(BR2_HAVE_DOT_CONFIG),y)
 
@@ -225,37 +253,11 @@ ZCAT:=$(call qstrip,$(BR2_ZCAT))
 BZCAT:=$(call qstrip,$(BR2_BZCAT))
 TAR_OPTIONS=$(call qstrip,$(BR2_TAR_OPTIONS)) -xf
 
-ifneq ("$(origin O)", "command line")
-O:=output
-else
-# other packages might also support Linux-style out of tree builds
-# with the O=<dir> syntax (E.G. Busybox does). As make automatically
-# forwards command line variable definitions those packages get very
-# confused. Fix this by telling make to not do so
-MAKEOVERRIDES =
-# strangely enough O is still passed to submakes with MAKEOVERRIDES
-# (with make 3.81 atleast), the only thing that changes is the output
-# of the origin function (command line -> environment).
-# Unfortunately some packages don't look at origin (E.G. uClibc 0.9.31+)
-# To really make O go away, we have to override it.
-override O:=$(O)
-endif
-
-# bash prints the name of the directory on 'cd <dir>' if CDPATH is
-# set, so unset it here to not cause problems. Notice that the export
-# line doesn't affect the environment of $(shell ..) calls, so
-# explictly throw away any output from 'cd' here.
-export CDPATH:=
-BASE_DIR := $(shell mkdir -p $(O) && cd $(O) >/dev/null && pwd)
-$(if $(BASE_DIR),, $(error output directory "$(O)" does not exist))
-
 DL_DIR=$(call qstrip,$(BR2_DL_DIR))
 ifeq ($(DL_DIR),)
 DL_DIR:=$(TOPDIR)/dl
 endif
 
-BUILD_DIR:=$(BASE_DIR)/build
-
 GNU_TARGET_SUFFIX:=-$(call qstrip,$(BR2_GNU_TARGET_SUFFIX))
 
 STAGING_DIR:=$(call qstrip,$(BR2_STAGING_DIR))
@@ -285,7 +287,7 @@ include package/Makefile.in
 all: world
 
 # In this section, we need .config
-include .config.cmd
+include $(CONFIG_DIR)/.config.cmd
 
 # We also need the various per-package makefiles, which also add
 # each selected package to TARGETS if that package was selected
@@ -332,10 +334,10 @@ TARGETS_ALL:=$(patsubst %,__real_tgt_%,$(TARGETS))
 # all targets depend on the crosscompiler and it's prerequisites
 $(TARGETS_ALL): __real_tgt_%: $(BASE_TARGETS) %
 
-$(BR2_DEPENDS_DIR): .config
-	rm -rf $@
-	mkdir -p $(@D)
-	cp -dpRf $(CONFIG)/buildroot-config $@
+$(BR2_DEPENDS_DIR): $(CONFIG_DIR)/.config
+#	rm -rf $@
+#	mkdir -p $(@D)
+#	cp -dpRf $(CONFIG)/buildroot-config $@
 
 dirs: $(DL_DIR) $(TOOLCHAIN_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
 	$(HOST_DIR) $(BR2_DEPENDS_DIR) $(BINARIES_DIR) $(STAMP_DIR)
@@ -443,7 +445,7 @@ show-targets:
 
 ifeq ($(BR2_CONFIG_CACHE),y)
 # drop configure cache if configuration is changed
-$(BUILD_DIR)/tgt-config.cache: .config
+$(BUILD_DIR)/tgt-config.cache: $(CONFIG_DIR)/.config
 	rm -f $@
 	touch $@
 
@@ -461,99 +463,99 @@ HOSTCFLAGS=$(CFLAGS_FOR_BUILD)
 export HOSTCFLAGS
 
 $(CONFIG)/%onf:
-	mkdir -p $(CONFIG)/buildroot-config
+	mkdir -p $(BUILD_DIR)/buildroot-config
 	$(MAKE) CC="$(HOSTCC)" -C $(CONFIG) $(notdir $@)
-	-@if [ ! -f .config ]; then \
-		cp $(CONFIG_DEFCONFIG) .config; \
+	-@if [ ! -f $(CONFIG_DIR)/.config ]; then \
+		cp $(CONFIG_DEFCONFIG) $(CONFIG_DIR)/.config; \
 	fi
 
 xconfig: $(CONFIG)/qconf
-	@mkdir -p $(CONFIG)/buildroot-config
-	@if ! KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
-		KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
-		$(CONFIG)/qconf $(CONFIG_CONFIG_IN); then \
-		test -f .config.cmd || rm -f .config; \
+	@mkdir -p $(BUILD_DIR)/buildroot-config
+	@if ! KCONFIG_AUTOCONFIG=$(BUILD_DIR)/buildroot-config/auto.conf \
+		KCONFIG_AUTOHEADER=$(BUILD_DIR)/buildroot-config/autoconf.h \
+		BUILDROOT_CONFIG=$(CONFIG_DIR)/.config $(CONFIG)/qconf $(CONFIG_CONFIG_IN); then \
+		test -f $(CONFIG_DIR)/.config.cmd || rm -f $(CONFIG_DIR)/.config; \
 	fi
 
 gconfig: $(CONFIG)/gconf
-	@mkdir -p $(CONFIG)/buildroot-config
-	@if ! KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
-		KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
-		$(CONFIG)/gconf $(CONFIG_CONFIG_IN); then \
-		test -f .config.cmd || rm -f .config; \
+	@mkdir -p $(BUILD_DIR)/buildroot-config
+	@if ! KCONFIG_AUTOCONFIG=$(BUILD_DIR)/buildroot-config/auto.conf \
+		KCONFIG_AUTOHEADER=$(BUILD_DIR)/buildroot-config/autoconf.h \
+		BUILDROOT_CONFIG=$(CONFIG_DIR)/.config $(CONFIG)/gconf $(CONFIG_CONFIG_IN); then \
+		test -f $(CONFIG_DIR)/.config.cmd || rm -f $(CONFIG_DIR)/.config; \
 	fi
 
 menuconfig: $(CONFIG)/mconf
-	@mkdir -p $(CONFIG)/buildroot-config
-	@if ! KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
-		KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
-		$(CONFIG)/mconf $(CONFIG_CONFIG_IN); then \
-		test -f .config.cmd || rm -f .config; \
+	@mkdir -p $(BUILD_DIR)/buildroot-config
+	@if ! KCONFIG_AUTOCONFIG=$(BUILD_DIR)/buildroot-config/auto.conf \
+		KCONFIG_AUTOHEADER=$(BUILD_DIR)/buildroot-config/autoconf.h \
+		BUILDROOT_CONFIG=$(CONFIG_DIR)/.config $(CONFIG)/mconf $(CONFIG_CONFIG_IN); then \
+		test -f $(CONFIG_DIR)/.config.cmd || rm -f $(CONFIG_DIR)/.config; \
 	fi
 
 config: $(CONFIG)/conf
-	@mkdir -p $(CONFIG)/buildroot-config
-	@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
-		KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
-		$(CONFIG)/conf $(CONFIG_CONFIG_IN)
+	@mkdir -p $(BUILD_DIR)/buildroot-config
+	@KCONFIG_AUTOCONFIG=$(BUILD_DIR)/buildroot-config/auto.conf \
+		KCONFIG_AUTOHEADER=$(BUILD_DIR)/buildroot-config/autoconf.h \
+		BUILDROOT_CONFIG=$(CONFIG_DIR)/.config $(CONFIG)/conf $(CONFIG_CONFIG_IN)
 
 oldconfig: $(CONFIG)/conf
-	mkdir -p $(CONFIG)/buildroot-config
-	@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
-		KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
-		$(CONFIG)/conf -o $(CONFIG_CONFIG_IN)
+	mkdir -p $(BUILD_DIR)/buildroot-config
+	@KCONFIG_AUTOCONFIG=$(BUILD_DIR)/buildroot-config/auto.conf \
+		KCONFIG_AUTOHEADER=$(BUILD_DIR)/buildroot-config/autoconf.h \
+		BUILDROOT_CONFIG=$(CONFIG_DIR)/.config $(CONFIG)/conf -o $(CONFIG_CONFIG_IN)
 
 randconfig: $(CONFIG)/conf
-	@mkdir -p $(CONFIG)/buildroot-config
-	@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
-		KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
-		$(CONFIG)/conf -r $(CONFIG_CONFIG_IN)
+	@mkdir -p $(BUILD_DIR)/buildroot-config
+	@KCONFIG_AUTOCONFIG=$(BUILD_DIR)/buildroot-config/auto.conf \
+		KCONFIG_AUTOHEADER=$(BUILD_DIR)/buildroot-config/autoconf.h \
+		BUILDROOT_CONFIG=$(CONFIG_DIR)/.config $(CONFIG)/conf -r $(CONFIG_CONFIG_IN)
 
 allyesconfig: $(CONFIG)/conf
-	cat $(CONFIG_DEFCONFIG) > .config
-	@mkdir -p $(CONFIG)/buildroot-config
-	@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
-		KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
-		$(CONFIG)/conf -y $(CONFIG_CONFIG_IN)
+	cat $(CONFIG_DEFCONFIG) > $(CONFIG_DIR)/.config
+	@mkdir -p $(BUILD_DIR)/buildroot-config
+	@KCONFIG_AUTOCONFIG=$(BUILD_DIR)/buildroot-config/auto.conf \
+		KCONFIG_AUTOHEADER=$(BUILD_DIR)/buildroot-config/autoconf.h \
+		BUILDROOT_CONFIG=$(CONFIG_DIR)/.config $(CONFIG)/conf -y $(CONFIG_CONFIG_IN)
 
 allnoconfig: $(CONFIG)/conf
-	@mkdir -p $(CONFIG)/buildroot-config
-	@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
-		KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
-		$(CONFIG)/conf -n $(CONFIG_CONFIG_IN)
+	@mkdir -p $(BUILD_DIR)/buildroot-config
+	@KCONFIG_AUTOCONFIG=$(BUILD_DIR)/buildroot-config/auto.conf \
+		KCONFIG_AUTOHEADER=$(BUILD_DIR)/buildroot-config/autoconf.h \
+		BUILDROOT_CONFIG=$(CONFIG_DIR)/.config $(CONFIG)/conf -n $(CONFIG_CONFIG_IN)
 
 randpackageconfig: $(CONFIG)/conf
-	@mkdir -p $(CONFIG)/buildroot-config
-	@grep -v BR2_PACKAGE_ .config > .config.nopkg
-	@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
-		KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
-		KCONFIG_ALLCONFIG=.config.nopkg \
-		$(CONFIG)/conf -r $(CONFIG_CONFIG_IN)
-	@rm -f .config.nopkg
+	@mkdir -p $(BUILD_DIR)/buildroot-config
+	@grep -v BR2_PACKAGE_ $(CONFIG_DIR)/.config > $(CONFIG_DIR)/.config.nopkg
+	@KCONFIG_AUTOCONFIG=$(BUILD_DIR)/buildroot-config/auto.conf \
+		KCONFIG_AUTOHEADER=$(BUILD_DIR)/buildroot-config/autoconf.h \
+		KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
+		BUILDROOT_CONFIG=$(CONFIG_DIR)/.config $(CONFIG)/conf -r $(CONFIG_CONFIG_IN)
+	@rm -f $(CONFIG_DIR)/.config.nopkg
 
 allyespackageconfig: $(CONFIG)/conf
-	@mkdir -p $(CONFIG)/buildroot-config
-	@grep -v BR2_PACKAGE_ .config > .config.nopkg
-	@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
-		KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
-		KCONFIG_ALLCONFIG=.config.nopkg \
-		$(CONFIG)/conf -y $(CONFIG_CONFIG_IN)
-	@rm -f .config.nopkg
+	@mkdir -p $(BUILD_DIR)/buildroot-config
+	@grep -v BR2_PACKAGE_ $(CONFIG_DIR)/.config > $(CONFIG_DIR)/.config.nopkg
+	@KCONFIG_AUTOCONFIG=$(BUILD_DIR)/buildroot-config/auto.conf \
+		KCONFIG_AUTOHEADER=$(BUILD_DIR)/buildroot-config/autoconf.h \
+		KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
+		BUILDROOT_CONFIG=$(CONFIG_DIR)/.config $(CONFIG)/conf -y $(CONFIG_CONFIG_IN)
+	@rm -f $(CONFIG_DIR)/.config.nopkg
 
 allnopackageconfig: $(CONFIG)/conf
-	@mkdir -p $(CONFIG)/buildroot-config
-	@grep -v BR2_PACKAGE_ .config > .config.nopkg
-	@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
-		KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
-		KCONFIG_ALLCONFIG=.config.nopkg \
-		$(CONFIG)/conf -n $(CONFIG_CONFIG_IN)
-	@rm -f .config.nopkg
+	@mkdir -p $(BUILD_DIR)/buildroot-config
+	@grep -v BR2_PACKAGE_ $(CONFIG_DIR)/.config > $(CONFIG_DIR)/.config.nopkg
+	@KCONFIG_AUTOCONFIG=$(BUILD_DIR)/buildroot-config/auto.conf \
+		KCONFIG_AUTOHEADER=$(BUILD_DIR)/buildroot-config/autoconf.h \
+		KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
+		BUILDROOT_CONFIG=$(CONFIG_DIR)/.config $(CONFIG)/conf -n $(CONFIG_CONFIG_IN)
+	@rm -f $(CONFIG_DIR)/.config.nopkg
 
 defconfig: $(CONFIG)/conf
-	@mkdir -p $(CONFIG)/buildroot-config
-	@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
-		KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
-		$(CONFIG)/conf -d $(CONFIG_CONFIG_IN)
+	@mkdir -p $(BUILD_DIR)/buildroot-config
+	@KCONFIG_AUTOCONFIG=$(BUILD_DIR)/buildroot-config/auto.conf \
+		KCONFIG_AUTOHEADER=$(BUILD_DIR)/buildroot-config/autoconf.h \
+		BUILDROOT_CONFIG=$(CONFIG_DIR)/.config $(CONFIG)/conf -d $(CONFIG_CONFIG_IN)
 
 # check if download URLs are outdated
 source-check: allyesconfig
@@ -577,15 +579,15 @@ endif
 ifeq ($(O),output)
 	rm -rf $(O)
 endif
-	rm -rf .config .config.old .config.cmd .auto.deps
-	-$(MAKE) -C $(CONFIG) clean
+	rm -rf $(CONFIG_DIR)/.config $(CONFIG_DIR)/.config.old $(CONFIG_DIR)/.config.cmd $(CONFIG_DIR)/.auto.deps
+	-$(MAKE) -C $(CONFIG) distclean
 
 flush:
 	rm -f $(BUILD_DIR)/tgt-config.cache
 
 %_defconfig: $(TOPDIR)/configs/%_defconfig
-	cp $^ .config
-	@$(MAKE) oldconfig
+	cp $^ $(CONFIG_DIR)/.config
+	@$(MAKE) O=$(O) oldconfig
 
 configured: dirs host-sed kernel-headers uclibc-config busybox-config linux26-config
 

package/config/.gitignore

@@ -1,4 +1,3 @@
-/buildroot-config
 /conf
 /mconf
 /qconf

package/config/Makefile

@@ -43,7 +43,6 @@ distclean: clean
 	$(Q)rm -f $(lxdialog) $(conf-objs) $(mconf-objs) $(kxgettext-objs) \
 		$(hostprogs-y) $(qconf-cxxobjs) $(qconf-objs) $(gconf-objs) \
 		mconf .depend
-	$(Q)rm -rf buildroot-config
 
 FORCE:
 .PHONY: FORCE clean distclean

package/config/confdata.c

@@ -423,8 +423,17 @@ int conf_write(const char *name)
 				basename = conf_get_configname();
 		} else
 			basename = name;
-	} else
+	} else {
+		char *slash;
+
 		basename = conf_get_configname();
+		if((slash = strrchr(basename, '/'))) {
+			int size = slash - basename + 1;
+			memcpy(dirname, basename, size);
+			dirname[size] = 0;
+			basename = slash + 1;
+		}
+	}
 
 	sprintf(newname, "%s%s", dirname, basename);
 	env = getenv("KCONFIG_OVERWRITECONFIG");
@@ -688,19 +697,51 @@ int conf_write_autoconf(void)
 	FILE *out, *out_h;
 	time_t now;
 	int i, l;
+	char buf[PATH_MAX+1];
+	char buf2[PATH_MAX+1];
 
 	sym_clear_all_valid();
 
-	file_write_dep(".config.cmd");
+	name = conf_get_configname();
+	str = strrchr(name, '/');
+
+	memset(buf, 0, PATH_MAX+1);
+	if(str)
+	{
+		strncpy(buf, name, str - name + 1);
+	}
+	strcat(buf, ".config.cmd");
+	file_write_dep(buf);
+
+	memset(buf, 0, PATH_MAX+1);
+	if(str)
+	{
+		strncpy(buf, name, str - name + 1);
+	}
+	strcat(buf, ".auto.deps");
+	write_make_deps(buf);
 
 	if (conf_split_config())
 		return 1;
 
-	out = fopen(".tmpconfig", "w");
+	memset(buf, 0, PATH_MAX+1);
+	if(str)
+	{
+		strncpy(buf, name, str - name + 1);
+	}
+	strcat(buf, ".tmpconfig");
+	memset(buf2, 0, PATH_MAX+1);
+	if(str)
+	{
+		strncpy(buf2, name, str - name + 1);
+	}
+	strcat(buf2, ".tmpconfig.h");
+
+	out = fopen(buf, "w");
 	if (!out)
 		return 1;
 
-	out_h = fopen(".tmpconfig.h", "w");
+	out_h = fopen(buf2, "w");
 	if (!out_h) {
 		fclose(out);
 		return 1;
@@ -782,14 +823,14 @@ int conf_write_autoconf(void)
 	name = getenv("KCONFIG_AUTOHEADER");
 	if (!name)
 		name = "include/linux/autoconf.h";
-	if (rename(".tmpconfig.h", name))
+	if (rename(buf2, name))
 		return 1;
 	name = conf_get_autoconfig_name();
 	/*
 	 * This must be the last step, kbuild has a dependency on auto.conf
 	 * and this marks the successful completion of the previous steps.
 	 */
-	if (rename(".tmpconfig", name))
+	if (rename(buf, name))
 		return 1;
 
 	return 0;

package/config/lkc.h

@@ -102,6 +102,7 @@ void menu_set_type(int type);
 /* util.c */
 struct file *file_lookup(const char *name);
 int file_write_dep(const char *name);
+int write_make_deps(const char *name);
 
 struct gstr {
 	size_t len;

package/config/util.c

@@ -51,17 +51,26 @@ static char* br2_symbol_printer(const char * const in)
 }
 
 /* write dependencies of the infividual config-symbols */
-static int write_make_deps(const char *name)
+int write_make_deps(const char *name)
 {
+	const char *str;
+	char buf[PATH_MAX+1];
 	struct menu *menu;
 	struct symbol *sym;
 	struct property *prop, *p;
 	unsigned done;
-	const char * const name_tmp = "..make.deps.tmp";
 	FILE *out;
 	if (!name)
 		name = ".auto.deps";
-	out = fopen(name_tmp, "w");
+
+	str = strrchr(name, '/');
+	memset(buf, 0, PATH_MAX+1);
+	if(str)
+	{
+		strncpy(buf, name, str - name + 1);
+	}
+	strcat(buf, "..make.deps.tmp");
+	out = fopen(buf, "w");
 	if (!out)
 		return 1;
 	fprintf(out, "# ATTENTION! This does not handle 'depends', just 'select'! \n"
@@ -120,7 +129,7 @@ next:
 		}
 	}
 	fclose(out);
-	rename(name_tmp, name);
+	rename(buf, name);
 	printf(_("#\n"
 		 "# make dependencies written to %s\n"
 		 "# ATTENTION buildroot devels!\n"
@@ -132,6 +141,8 @@ next:
 /* write a dependency file as used by kbuild to track dependencies */
 int file_write_dep(const char *name)
 {
+	const char *str;
+	char buf[PATH_MAX+1];
 	struct symbol *sym, *env_sym;
 	struct expr *e;
 	struct file *file;
@@ -139,7 +150,16 @@ int file_write_dep(const char *name)
 
 	if (!name)
 		name = ".kconfig.d";
-	out = fopen("..config.tmp", "w");
+
+	str = strrchr(name, '/');
+	memset(buf, 0, PATH_MAX+1);
+	if(str)
+	{
+		strncpy(buf, name, str - name + 1);
+	}
+	strcat(buf, "..config.tmp");
+
+	out = fopen(buf, "w");
 	if (!out)
 		return 1;
 	fprintf(out, "deps_config := \\\n");
@@ -170,8 +190,7 @@ int file_write_dep(const char *name)
 
 	fprintf(out, "\n$(deps_config): ;\n");
 	fclose(out);
-	rename("..config.tmp", name);
-	return write_make_deps(NULL);
+	rename(buf, name);
 }