ccanlint: clean up reduced feature handling.

[ccan] / tools / ccanlint / tests / reduce_features.c

diff --git a/tools/ccanlint/tests/reduce_features.c b/tools/ccanlint/tests/reduce_features.c
index 2a389ce555e39bb0f1145f61e77826fa3b075c92..39a2bde067a96dbc0072514f5633eebff39974aa 100644 (file)
--- a/tools/ccanlint/tests/reduce_features.c
+++ b/tools/ccanlint/tests/reduce_features.c
@@ -160,11 +160,14 @@ static void do_reduce_features(struct manifest *m,
                hdr = talloc_asprintf_append
                        (hdr, "#undef %s\n#define %s 0\n", sym, sym);
        }
-       fd = open("config.h", O_EXCL|O_CREAT|O_RDWR, 0600);
+       if (mkdir("reduced-features", 0700) != 0)
+               err(1, "Creating reduced-features directory");
+
+       fd = open("reduced-features/config.h", O_EXCL|O_CREAT|O_RDWR, 0600);
        if (fd < 0)
-               err(1, "Creating config.h");
+               err(1, "Creating reduced-features/config.h");
        if (!write_all(fd, hdr, strlen(hdr)))
-               err(1, "Writing config.h");
+               err(1, "Writing reduced-features/config.h");
        close(fd);
        features_were_reduced = true;
 }
@@ -174,6 +177,8 @@ struct ccanlint reduce_features = {
        .name = "Produce config.h with reduced features",
        .can_run = can_run,
        .check = do_reduce_features,
+       /* We only want to compile up versions with reduced featuress once
+        * objects for normal tests are built. */
        .needs = "tests_compile"
 };
 REGISTER_TEST(reduce_features);