kumquat-buildroot/support/kconfig/patches/14-support-out-of-tree-config.patch

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---
conf.c | 1
confdata.c | 62 ++++++++++++++++++++++++++++++++++++++++++++++---------------
util.c | 16 +++++++++++++--
3 files changed, 61 insertions(+), 18 deletions(-)
Index: kconfig/conf.c
===================================================================
--- kconfig.orig/conf.c
+++ kconfig/conf.c
@@ -503,7 +503,6 @@
}
name = av[optind];
conf_parse(name);
- //zconfdump(stdout);
if (sync_kconfig) {
name = conf_get_configname();
if (stat(name, &tmpstat)) {
Index: kconfig/confdata.c
===================================================================
--- kconfig.orig/confdata.c
+++ kconfig/confdata.c
@@ -71,9 +71,7 @@
const char *conf_get_autoconfig_name(void)
{
- char *name = getenv("KCONFIG_AUTOCONFIG");
-
- return name ? name : "include/config/auto.conf";
+ return getenv("KCONFIG_AUTOCONFIG");
}
static char *conf_expand_value(const char *in)
@@ -563,6 +561,9 @@
char dirname[PATH_MAX+1], tmpname[PATH_MAX+1], newname[PATH_MAX+1];
char *env;
+ if (!name)
+ name = conf_get_configname();
+
dirname[0] = 0;
if (name && name[0]) {
struct stat st;
@@ -661,6 +662,7 @@
{
const char *name;
char path[PATH_MAX+1];
+ char *opwd, *dir, *_name;
char *s, *d, c;
struct symbol *sym;
struct stat sb;
@@ -669,8 +671,20 @@
name = conf_get_autoconfig_name();
conf_read_simple(name, S_DEF_AUTO);
- if (chdir("include/config"))
- return 1;
+ 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) {
@@ -763,9 +777,11 @@
close(fd);
}
out:
- if (chdir("../.."))
- return 1;
-
+ if (chdir(opwd))
+ res = 1;
+err:
+ free(opwd);
+ free(_name);
return res;
}
@@ -776,25 +792,38 @@
const char *name;
FILE *out, *tristate, *out_h;
int i;
+ char dir[PATH_MAX+1], buf[PATH_MAX+1];
+ char *s;
+
+ strcpy(dir, conf_get_configname());
+ s = strrchr(dir, '/');
+ if (s)
+ s[1] = 0;
+ else
+ dir[0] = 0;
sym_clear_all_valid();
- file_write_dep("include/config/auto.conf.cmd");
+ sprintf(buf, "%s.config.cmd", dir);
+ file_write_dep(buf);
if (conf_split_config())
return 1;
- out = fopen(".tmpconfig", "w");
+ sprintf(buf, "%s.tmpconfig", dir);
+ out = fopen(buf, "w");
if (!out)
return 1;
- tristate = fopen(".tmpconfig_tristate", "w");
+ sprintf(buf, "%s.tmpconfig_tristate", dir);
+ tristate = fopen(buf, "w");
if (!tristate) {
fclose(out);
return 1;
}
- out_h = fopen(".tmpconfig.h", "w");
+ sprintf(buf, "%s.tmpconfig.h", dir);
+ out_h = fopen(buf, "w");
if (!out_h) {
fclose(out);
fclose(tristate);
@@ -871,19 +900,22 @@
name = getenv("KCONFIG_AUTOHEADER");
if (!name)
name = "include/generated/autoconf.h";
- if (rename(".tmpconfig.h", name))
+ sprintf(buf, "%s.tmpconfig.h", dir);
+ if (rename(buf, name))
return 1;
name = getenv("KCONFIG_TRISTATE");
if (!name)
name = "include/config/tristate.conf";
- if (rename(".tmpconfig_tristate", name))
+ sprintf(buf, "%s.tmpconfig_tristate", dir);
+ if (rename(buf, 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))
+ sprintf(buf, "%s.tmpconfig", dir);
+ if (rename(buf, name))
return 1;
return 0;
Index: kconfig/util.c
===================================================================
--- kconfig.orig/util.c
+++ kconfig/util.c
@@ -32,6 +32,8 @@
/* write a dependency file as used by kbuild to track dependencies */
int file_write_dep(const char *name)
{
+ char *str;
+ char buf[PATH_MAX+1], buf2[PATH_MAX+1], dir[PATH_MAX+1];
struct symbol *sym, *env_sym;
struct expr *e;
struct file *file;
@@ -39,7 +41,16 @@
if (!name)
name = ".kconfig.d";
- out = fopen("..config.tmp", "w");
+
+ strcpy(dir, conf_get_configname());
+ str = strrchr(dir, '/');
+ if (str)
+ str[1] = 0;
+ else
+ dir[0] = 0;
+
+ sprintf(buf, "%s..config.tmp", dir);
+ out = fopen(buf, "w");
if (!out)
return 1;
fprintf(out, "deps_config := \\\n");
@@ -70,7 +81,8 @@
fprintf(out, "\n$(deps_config): ;\n");
fclose(out);
- rename("..config.tmp", name);
+ sprintf(buf2, "%s%s", dir, name);
+ rename(buf, buf2);
return 0;
}