carl9170: config: re-add config.cmake

This patch re-adds the custom config.cmake support that was
removed by the cleanup patch.

Reported-by: Jason Self <j@jxself.org>
Fixes: 786134321b6e ("carl9170: config: fix patching errors and update CMakeFiles")
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>

diff --git a/config/conf.c b/config/conf.c
index 58df1b76b5288ad46661d75cacf88ead9cf456f9..2949b7d983193e8ae9eb7e26d4612e1f0827dd4b 100644 (file)
--- a/config/conf.c
+++ b/config/conf.c
@@ -705,6 +705,13 @@ int main(int ac, char **av)
                 * syncconfig always creates or updates auto.conf because it is
                 * used during the build.
                 */
+
+               /*
+                * In our cmake case, we always want to update the autogenerated
+                * files.
+                */
+               sync_kconfig = 1;
+
                if (conf_write_autoconf(sync_kconfig) && sync_kconfig) {
                        fprintf(stderr,
                                "\n*** Error during sync of the configuration.\n\n");

diff --git a/config/confdata.c b/config/confdata.c
index 57c09a7d3883914627ea3ababa9b6f1bbe486bd0..d67695d19ac77fdad52cbc4f4f005e8110ffcb58 100644 (file)
--- a/config/confdata.c
+++ b/config/confdata.c
@@ -582,6 +582,46 @@ kconfig_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
        fprintf(fp, "%s%s=%s\n", CONFIG_, sym->name, value);
 }
 
+static void
+kconfig_print_cmake_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
+{
+
+       switch (sym->type) {
+       case S_BOOLEAN:
+       case S_TRISTATE:
+               if (*value == 'n') {
+                       bool skip_unset = (arg != NULL);
+
+                       if (!skip_unset)
+                               fprintf(fp, "set(%s%s false)\n",
+                                       CONFIG_, sym->name, value);
+                       return;
+               } else if (*value == 'm') {
+                       abort();
+               } else {
+                       fprintf(fp, "set(%s%s true)\n", CONFIG_, sym->name, value);
+               }
+               break;
+       case S_HEX: {
+               const char *prefix = "";
+
+               if (value[0] != '0' || (value[1] != 'x' && value[1] != 'X'))
+                       prefix = "0x";
+               fprintf(fp, "set(%s%s %s%s)\n",
+                   CONFIG_, sym->name, prefix, value);
+               break;
+       }
+       case S_STRING:
+       case S_INT:
+               fprintf(fp, "set(%s%s %s)\n",
+                   CONFIG_, sym->name, value);
+               break;
+       default:
+               break;
+       }
+
+}
+
 static void
 kconfig_print_comment(FILE *fp, const char *value, void *arg)
 {
@@ -608,6 +648,12 @@ static struct conf_printer kconfig_printer_cb =
        .print_comment = kconfig_print_comment,
 };
 
+static struct conf_printer kconfig_printer_cmake_cb =
+{
+       .print_symbol = kconfig_print_cmake_symbol,
+       .print_comment = kconfig_print_comment,
+};
+
 /*
  * Header printer
  *
@@ -1020,7 +1066,7 @@ int conf_write_autoconf(int overwrite)
        struct symbol *sym;
        const char *name;
        const char *autoconf_name = conf_get_autoconfig_name();
-       FILE *out, *tristate, *out_h;
+       FILE *out, *tristate, *out_h, *out_c;
        int i;
 
        if (!overwrite && is_present(autoconf_name))
@@ -1050,12 +1096,21 @@ int conf_write_autoconf(int overwrite)
                return 1;
        }
 
+       out_c = fopen(".tmpconfig.cmake", "w");
+       if (!out_c) {
+               fclose(out);
+               fclose(tristate);
+               fclose(out_h);
+       }
+
        conf_write_heading(out, &kconfig_printer_cb, NULL);
 
        conf_write_heading(tristate, &tristate_printer_cb, NULL);
 
        conf_write_heading(out_h, &header_printer_cb, NULL);
 
+       conf_write_heading(out_c, &kconfig_printer_cmake_cb, NULL);
+
        for_all_symbols(i, sym) {
                sym_calc_value(sym);
                if (!(sym->flags & SYMBOL_WRITE) || !sym->name)
@@ -1067,10 +1122,13 @@ int conf_write_autoconf(int overwrite)
                conf_write_symbol(tristate, sym, &tristate_printer_cb, (void *)1);
 
                conf_write_symbol(out_h, sym, &header_printer_cb, NULL);
+
+               conf_write_symbol(out_c, sym, &kconfig_printer_cmake_cb, NULL);
        }
        fclose(out);
        fclose(tristate);
        fclose(out_h);
+       fclose(out_c);
 
        name = getenv("KCONFIG_AUTOHEADER");
        if (!name)
@@ -1090,6 +1148,15 @@ int conf_write_autoconf(int overwrite)
 
        if (make_parent_dir(autoconf_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;
+
        /*
         * This must be the last step, kbuild has a dependency on auto.conf
         * and this marks the successful completion of the previous steps.