build: do not automatically reconfigure unless configure.ac changed

diff --git a/submodule.h b/submodule.h
index e105b0ebe6c06a03af7f82bdfbc9beb66377544f..594b50d51066be35d2f9dc9aa795f3ecdf131573 100644 (file)
--- a/submodule.h
+++ b/submodule.h
@@ -2,6 +2,7 @@
 #define SUBMODULE_H
 
 struct diff_options;
+struct argv_array;
 
 enum {
        RECURSE_SUBMODULES_ON_DEMAND = -1,
@@ -23,7 +24,7 @@ void show_submodule_summary(FILE *f, const char *path,
                const char *del, const char *add, const char *reset);
 void set_config_fetch_recurse_submodules(int value);
 void check_for_new_submodule_commits(unsigned char new_sha1[20]);
-int fetch_populated_submodules(int num_options, const char **options,
+int fetch_populated_submodules(const struct argv_array *options,
                               const char *prefix, int command_line_option,
                               int quiet);
 unsigned is_submodule_modified(const char *path, int ignore_untracked);