- silence a cosmetic warning (closes several issues in mantis).

This also provides a nice up-to-date filestamp if something got reconfigured (e.g. c++ support got toggled) that can be used in the future to depend accordingly.

Makefile

@@ -84,7 +84,7 @@ HOSTCC:=$(shell $(CONFIG_SHELL) which $(HOSTCC) || type -p $(HOSTCC) || echo gcc
 HOSTCXX:=$(shell $(CONFIG_SHELL) which $(HOSTCXX) || type -p $(HOSTCXX) || echo g++)
 HOSTLD:=$(shell $(CONFIG_SHELL) which $(HOSTLD) || type -p $(HOSTLD) || echo ld)
 ifndef CFLAGS_FOR_BUILD
-CFLAGS_FOR_BUILD:="-g -O2"
+CFLAGS_FOR_BUILD:=-g -O2
 endif
 export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTLD
 
@@ -264,40 +264,61 @@ all: menuconfig
 # ---------------------------------------------------------------------------
 
 $(CONFIG)/conf:
-	$(MAKE) CC="$(HOSTCC)" CFLAGS=$(CFLAGS_FOR_BUILD) MAKECMDGOALS="$(MAKECMDGOALS)" \
+	$(MAKE) CC="$(HOSTCC)" HOSTCFLAGS="$(CFLAGS_FOR_BUILD)" MAKECMDGOALS="$(MAKECMDGOALS)" \
 		-C $(CONFIG) conf
 	-@if [ ! -f .config ] ; then \
 		cp $(CONFIG_DEFCONFIG) .config; \
 	fi
 $(CONFIG)/mconf:
-	$(MAKE) CC="$(HOSTCC)" CFLAGS=$(CFLAGS_FOR_BUILD) MAKECMDGOALS="$(MAKECMDGOALS)" \
+	$(MAKE) CC="$(HOSTCC)" HOSTCFLAGS="$(CFLAGS_FOR_BUILD)" MAKECMDGOALS="$(MAKECMDGOALS)" \
 		-C $(CONFIG) conf mconf
 	-@if [ ! -f .config ] ; then \
 		cp $(CONFIG_DEFCONFIG) .config; \
 	fi
 
 menuconfig: $(CONFIG)/mconf
-	@$(CONFIG)/mconf $(CONFIG_CONFIG_IN)
+	@-mkdir -p include/config
+	@KCONFIG_AUTOCONFIG=include/config/auto.conf \
+		KCONFIG_AUTOHEADER=include/autoconf.h \
+		$(CONFIG)/mconf $(CONFIG_CONFIG_IN)
 
 config: $(CONFIG)/conf
-	@$(CONFIG)/conf $(CONFIG_CONFIG_IN)
+	@-mkdir -p include/config
+	@KCONFIG_AUTOCONFIG=include/config/auto.conf \
+		KCONFIG_AUTOHEADER=include/autoconf.h \
+		$(CONFIG)/conf $(CONFIG_CONFIG_IN)
 
 oldconfig: $(CONFIG)/conf
-	@$(CONFIG)/conf -o $(CONFIG_CONFIG_IN)
+	@-mkdir -p include/config
+	@KCONFIG_AUTOCONFIG=include/config/auto.conf \
+		KCONFIG_AUTOHEADER=include/autoconf.h \
+		$(CONFIG)/conf -o $(CONFIG_CONFIG_IN)
 
 randconfig: $(CONFIG)/conf
-	@$(CONFIG)/conf -r $(CONFIG_CONFIG_IN)
+	@-mkdir -p include/config
+	@KCONFIG_AUTOCONFIG=include/config/auto.conf \
+		KCONFIG_AUTOHEADER=include/autoconf.h \
+		$(CONFIG)/conf -r $(CONFIG_CONFIG_IN)
 
 allyesconfig: $(CONFIG)/conf
-	cp $(CONFIG_DEFCONFIG) .config
+	cat $(CONFIG_DEFCONFIG) > .config
-	@$(CONFIG)/conf -y $(CONFIG_CONFIG_IN)
+	@-mkdir -p include/config
+	@KCONFIG_AUTOCONFIG=include/config/auto.conf \
+		KCONFIG_AUTOHEADER=include/autoconf.h \
+		$(CONFIG)/conf -y $(CONFIG_CONFIG_IN)
 	#sed -i -e "s/^CONFIG_DEBUG.*/# CONFIG_DEBUG is not set/" .config
 
 allnoconfig: $(CONFIG)/conf
-	@$(CONFIG)/conf -n $(CONFIG_CONFIG_IN)
+	@-mkdir -p include/config
+	@KCONFIG_AUTOCONFIG=include/config/auto.conf \
+		KCONFIG_AUTOHEADER=include/autoconf.h \
+		$(CONFIG)/conf -n $(CONFIG_CONFIG_IN)
 
 defconfig: $(CONFIG)/conf
-	@$(CONFIG)/conf -d $(CONFIG_CONFIG_IN)
+	@-mkdir -p include/config
+	@KCONFIG_AUTOCONFIG=include/config/auto.conf \
+		KCONFIG_AUTOHEADER=include/autoconf.h \
+		$(CONFIG)/conf -d $(CONFIG_CONFIG_IN)
 
 # check if download URLs are outdated 
 source-check: allyesconfig

package/config/confdata.c

@@ -11,6 +11,7 @@
 #include <string.h>
 #include <time.h>
 #include <unistd.h>
+#include <libgen.h>
 
 #define LKC_DIRECT_LINK
 #include "lkc.h"
@@ -529,7 +530,7 @@ int conf_write(const char *name)
 
 int conf_split_config(void)
 {
-	char *name, path[128];
+	char *name, path[128], *opwd, *dir, *_name;
 	char *s, *d, c;
 	struct symbol *sym;
 	struct stat sb;
@@ -540,8 +541,20 @@ int conf_split_config(void)
 		name = "include/config/auto.conf";
 	conf_read_simple(name, S_DEF_AUTO);
 
-	if (chdir("include/config"))
+	opwd = malloc(256);
+	_name = strdup(name);
+	if (opwd == NULL || _name == NULL)
 		return 1;
+	opwd = getcwd(opwd, 256);
+	dir = dirname(_name);
+	if (dir == NULL) {
+		res = 1;
+		goto err;
+	}
+	if (chdir(dir)) {
+		res = 1;
+		goto err;
+	}
 
 	res = 0;
 	for_all_symbols(i, sym) {
@@ -634,9 +647,11 @@ int conf_split_config(void)
 		close(fd);
 	}
 out:
-	if (chdir("../.."))
+	if (chdir(opwd))
-		return 1;
+		res = 1;
-
+err:
+	free(opwd);
+	free(_name);
 	return res;
 }
 

package/config/kconfig-to-buildroot2.patch

@@ -667,3 +667,60 @@ Index: confdata.c
  
  	if (conf_split_config())
  		return 1;
+diff -rdup x/config/confdata.c package/config/confdata.c
+--- x/config/confdata.c	2007-07-07 11:13:12.000000000 +0200
++++ package/config/confdata.c	2007-07-08 01:30:44.000000000 +0200
+@@ -11,6 +11,7 @@
+ #include <string.h>
+ #include <time.h>
+ #include <unistd.h>
++#include <libgen.h>
+ 
+ #define LKC_DIRECT_LINK
+ #include "lkc.h"
+@@ -529,7 +530,7 @@ int conf_write(const char *name)
+ 
+ int conf_split_config(void)
+ {
+-	char *name, path[128];
++	char *name, path[128], *opwd, *dir, *_name;
+ 	char *s, *d, c;
+ 	struct symbol *sym;
+ 	struct stat sb;
+@@ -540,8 +541,20 @@ int conf_split_config(void)
+ 		name = "include/config/auto.conf";
+ 	conf_read_simple(name, S_DEF_AUTO);
+ 
+-	if (chdir("include/config"))
++	opwd = malloc(256);
++	_name = strdup(name);
++	if (opwd == NULL || _name == NULL)
+ 		return 1;
++	opwd = getcwd(opwd, 256);
++	dir = dirname(_name);
++	if (dir == NULL) {
++		res = 1;
++		goto err;
++	}
++	if (chdir(dir)) {
++		res = 1;
++		goto err;
++	}
+ 
+ 	res = 0;
+ 	for_all_symbols(i, sym) {
+@@ -634,9 +647,11 @@ int conf_split_config(void)
+ 		close(fd);
+ 	}
+ out:
+-	if (chdir("../.."))
+-		return 1;
+-
++	if (chdir(opwd))
++		res = 1;
++err:
++	free(opwd);
++	free(_name);
+ 	return res;
+ }
+