#include "lkc.h"
+/* return true if 'path' exists, false otherwise */
+static bool is_present(const char *path)
+{
+ struct stat st;
+
+ return !stat(path, &st);
+}
+
+/* return true if 'path' exists and it is a directory, false otherwise */
+static bool is_dir(const char *path)
+{
+ struct stat st;
+
+ if (stat(path, &st))
+ return 0;
+
+ return S_ISDIR(st.st_mode);
+}
+
+/*
+ * Create the parent directory of the given path.
+ *
+ * For example, if 'include/config/auto.conf' is given, create 'include/config'.
+ */
+static int make_parent_dir(const char *path)
+{
+ char tmp[PATH_MAX + 1];
+ char *p;
+
+ strncpy(tmp, path, sizeof(tmp));
+ tmp[sizeof(tmp) - 1] = 0;
+
+ /* Remove the base name. Just return if nothing is left */
+ p = strrchr(tmp, '/');
+ if (!p)
+ return 0;
+ *(p + 1) = 0;
+
+ /* Just in case it is an absolute path */
+ p = tmp;
+ while (*p == '/')
+ p++;
+
+ while ((p = strchr(p, '/'))) {
+ *p = 0;
+
+ /* skip if the directory exists */
+ if (!is_dir(tmp) && mkdir(tmp, 0755))
+ return -1;
+
+ *p = '/';
+ while (*p == '/')
+ p++;
+ }
+
+ return 0;
+}
+
struct conf_printer {
void (*print_symbol)(FILE *, struct symbol *, const char *, void *);
void (*print_comment)(FILE *, const char *, void *);
conf_warnings++;
}
-static void conf_default_message_callback(const char *fmt, va_list ap)
+static void conf_default_message_callback(const char *s)
{
printf("#\n# ");
- vprintf(fmt, ap);
+ printf("%s", s);
printf("\n#\n");
}
-static void (*conf_message_callback) (const char *fmt, va_list ap) =
+static void (*conf_message_callback)(const char *s) =
conf_default_message_callback;
-void conf_set_message_callback(void (*fn) (const char *fmt, va_list ap))
+void conf_set_message_callback(void (*fn)(const char *s))
{
conf_message_callback = fn;
}
static void conf_message(const char *fmt, ...)
{
va_list ap;
+ char buf[4096];
+
+ if (!conf_message_callback)
+ return;
va_start(ap, fmt);
- if (conf_message_callback)
- conf_message_callback(fmt, ap);
+
+ vsnprintf(buf, sizeof(buf), fmt, ap);
+ conf_message_callback(buf);
va_end(ap);
}
char *conf_get_default_confname(void)
{
- struct stat buf;
static char fullname[PATH_MAX+1];
char *env, *name;
env = getenv(SRCTREE);
if (env) {
sprintf(fullname, "%s/%s", env, name);
- if (!stat(fullname, &buf))
+ if (is_present(fullname))
return fullname;
}
return name;
sym = sym_find(line + 2 + strlen(CONFIG_));
if (!sym) {
sym_add_change_count(1);
- goto setsym;
+ continue;
}
} else {
sym = sym_lookup(line + 2 + strlen(CONFIG_), 0);
sym = sym_find(line + strlen(CONFIG_));
if (!sym) {
sym_add_change_count(1);
- goto setsym;
+ continue;
}
} else {
sym = sym_lookup(line + strlen(CONFIG_), 0);
continue;
}
-setsym:
+
if (sym && sym_is_choice_value(sym)) {
struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
switch (sym->def[def].tri) {
dirname[0] = 0;
if (name && name[0]) {
- struct stat st;
char *slash;
- if (!stat(name, &st) && S_ISDIR(st.st_mode)) {
+ if (is_dir(name)) {
strcpy(dirname, name);
strcat(dirname, "/");
basename = conf_get_configname();
return 0;
}
+/* write a dependency file as used by kbuild to track dependencies */
+static int conf_write_dep(const char *name)
+{
+ struct file *file;
+ FILE *out;
+
+ if (!name)
+ name = ".kconfig.d";
+ out = fopen("..config.tmp", "w");
+ if (!out)
+ return 1;
+ fprintf(out, "deps_config := \\\n");
+ for (file = file_list; file; file = file->next) {
+ if (file->next)
+ fprintf(out, "\t%s \\\n", file->name);
+ else
+ fprintf(out, "\t%s\n", file->name);
+ }
+ fprintf(out, "\n%s: \\\n"
+ "\t$(deps_config)\n\n", conf_get_autoconfig_name());
+
+ env_write_dep(out, conf_get_autoconfig_name());
+
+ fprintf(out, "\n$(deps_config): ;\n");
+ fclose(out);
+
+ if (make_parent_dir(name))
+ return 1;
+ rename("..config.tmp", name);
+ return 0;
+}
+
static int conf_split_config(void)
{
const char *name;
char path[PATH_MAX+1];
char *s, *d, c;
struct symbol *sym;
- struct stat sb;
int res, i, fd;
name = conf_get_autoconfig_name();
conf_read_simple(name, S_DEF_AUTO);
sym_calc_value(modules_sym);
+ if (make_parent_dir("include/generated/foo.h"))
+ return 1;
if (chdir("include/generated"))
return 1;
res = 1;
break;
}
- /*
- * Create directory components,
- * unless they exist already.
- */
- d = path;
- while ((d = strchr(d, '/'))) {
- *d = 0;
- if (stat(path, &sb) && mkdir(path, 0755)) {
- res = 1;
- goto out;
- }
- *d++ = '/';
+
+ if (make_parent_dir(path)) {
+ res = 1;
+ goto out;
}
+
/* Try it again. */
fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
if (fd == -1) {
sym_clear_all_valid();
- file_write_dep("include/generated/auto.conf.cmd");
+ conf_write_dep("include/generated/auto.conf.cmd");
if (conf_split_config())
return 1;
name = getenv("KCONFIG_AUTOHEADER");
if (!name)
name = "include/generated/autoconf.h";
+ if (make_parent_dir(name))
+ return 1;
if (rename(".tmpconfig.h", name))
return 1;
+
name = getenv("KCONFIG_TRISTATE");
if (!name)
name = "include/generated/tristate.conf";
+ if (make_parent_dir(name))
+ return 1;
if (rename(".tmpconfig_tristate", name))
return 1;
+
name = getenv("KCONFIG_CMAKE");
if (!name)
name = "config.cmake";
+ if (make_parent_dir(name))
+ return 1;
if (rename(".tmpconfig.cmake", name))
return 1;
+
name = conf_get_autoconfig_name();
+ if (make_parent_dir(name))
+ return 1;
+
/*
* This must be the last step, kbuild has a dependency on auto.conf
* and this marks the successful completion of the previous steps.
projects / carl9170fw.git / blobdiff