X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=tools%2Fccanlint%2Ftests%2Freduce_features.c;h=39a2bde067a96dbc0072514f5633eebff39974aa;hp=2a389ce555e39bb0f1145f61e77826fa3b075c92;hb=75a6a6ad64156ef3b13493be2970ae3cb99ccf8b;hpb=dfc94d4a4b80729b092089536caa33c0620a5ea9

diff --git a/tools/ccanlint/tests/reduce_features.c b/tools/ccanlint/tests/reduce_features.c
index 2a389ce5..39a2bde0 100644
--- 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);