diff options
Diffstat (limited to 'scripts/kconfig/confdata.c')
| -rw-r--r-- | scripts/kconfig/confdata.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c index 629ad32d4708..c553f1f30c36 100644 --- a/scripts/kconfig/confdata.c +++ b/scripts/kconfig/confdata.c @@ -818,6 +818,35 @@ next: 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); + rename("..config.tmp", name); + return 0; +} + static int conf_split_config(void) { const char *name; @@ -940,7 +969,7 @@ int conf_write_autoconf(void) sym_clear_all_valid(); - file_write_dep("include/config/auto.conf.cmd"); + conf_write_dep("include/config/auto.conf.cmd"); if (conf_split_config()) return 1; |