Merge branch 'kbuild/kconfig-for-40' into kbuild/kconfig

[~andy/linux] / scripts / kconfig / confdata.c

diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 2bafd9a7c8daa0c7f80edb0294f5686995832c9f..a1a9872e4a2df0dcf1039c3a6d15dc3d42886a3a 100644 (file)
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -768,6 +768,29 @@ out:
        return res;
 }
 
+static void conf_write_function_autoconf(FILE *out, char* conf, char* name,
+                                        int val)
+{
+       char c;
+       char *tmp, *d;
+
+       d = strdup(conf);
+       tmp = d;
+       while ((c = *conf++))
+               *d++ = tolower(c);
+
+       fprintf(out, "#define %sis_", tmp);
+       free(tmp);
+
+       d = strdup(name);
+       tmp = d;
+       while ((c = *name++))
+               *d++ = tolower(c);
+       fprintf(out, "%s%s() %d\n", tmp, (val > 1) ? "_module" : "",
+                     val ? 1 : 0);
+       free(tmp);
+}
+
 int conf_write_autoconf(void)
 {
        struct symbol *sym;
@@ -775,6 +798,7 @@ int conf_write_autoconf(void)
        const char *name;
        FILE *out, *tristate, *out_h;
        int i;
+       int fct_val;
 
        sym_clear_all_valid();
 
@@ -815,6 +839,7 @@ int conf_write_autoconf(void)
                       rootmenu.prompt->text);
 
        for_all_symbols(i, sym) {
+               fct_val = 1;
                sym_calc_value(sym);
                if (!(sym->flags & SYMBOL_WRITE) || !sym->name)
                        continue;
@@ -828,12 +853,14 @@ int conf_write_autoconf(void)
                case S_TRISTATE:
                        switch (sym_get_tristate_value(sym)) {
                        case no:
+                               fct_val = 0;
                                break;
                        case mod:
                                fprintf(tristate, "%s%s=M\n",
                                    CONFIG_, sym->name);
                                fprintf(out_h, "#define %s%s_MODULE 1\n",
                                    CONFIG_, sym->name);
+                               fct_val = 2;
                                break;
                        case yes:
                                if (sym->type == S_TRISTATE)
@@ -860,8 +887,10 @@ int conf_write_autoconf(void)
                            CONFIG_, sym->name, str);
                        break;
                default:
+                       fct_val = 0;
                        break;
                }
+               conf_write_function_autoconf(out_h, CONFIG_, sym->name, fct_val);
        }
        fclose(out);
        fclose(tristate);