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Diffstat (limited to 'support/kconfig/patches/14-support-out-of-tree-config.patch')
-rw-r--r--support/kconfig/patches/14-support-out-of-tree-config.patch199
1 files changed, 199 insertions, 0 deletions
diff --git a/support/kconfig/patches/14-support-out-of-tree-config.patch b/support/kconfig/patches/14-support-out-of-tree-config.patch
new file mode 100644
index 000000000..9fa6384d3
--- /dev/null
+++ b/support/kconfig/patches/14-support-out-of-tree-config.patch
@@ -0,0 +1,199 @@
+---
+ conf.c | 1
+ confdata.c | 62 ++++++++++++++++++++++++++++++++++++++++++++++---------------
+ util.c | 16 +++++++++++++--
+ 3 files changed, 61 insertions(+), 18 deletions(-)
+
+Index: config/conf.c
+===================================================================
+--- config.orig/conf.c
++++ config/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: config/confdata.c
+===================================================================
+--- config.orig/confdata.c
++++ config/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)
+@@ -565,6 +563,9 @@
+ int use_timestamp = 1;
+ char *env;
+
++ if (!name)
++ name = conf_get_configname();
++
+ dirname[0] = 0;
+ if (name && name[0]) {
+ struct stat st;
+@@ -671,6 +672,7 @@
+ {
+ const char *name;
+ char path[PATH_MAX+1];
++ char *opwd, *dir, *_name;
+ char *s, *d, c;
+ struct symbol *sym;
+ struct stat sb;
+@@ -679,8 +681,20 @@
+ 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) {
+@@ -773,9 +787,11 @@
+ close(fd);
+ }
+ out:
+- if (chdir("../.."))
+- return 1;
+-
++ if (chdir(opwd))
++ res = 1;
++err:
++ free(opwd);
++ free(_name);
+ return res;
+ }
+
+@@ -787,25 +803,38 @@
+ FILE *out, *tristate, *out_h;
+ time_t now;
+ 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);
+@@ -885,19 +914,22 @@
+ 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: config/util.c
+===================================================================
+--- config.orig/util.c
++++ config/util.c
+@@ -147,6 +147,8 @@
+ /* 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;
+@@ -154,7 +156,16 @@
+
+ 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");
+@@ -185,7 +196,8 @@
+
+ fprintf(out, "\n$(deps_config): ;\n");
+ fclose(out);
+- rename("..config.tmp", name);
++ sprintf(buf2, "%s%s", dir, name);
++ rename(buf, buf2);
+ return write_make_deps(NULL);
+ }
+