ccanlint: compile module with reduced-feature config.h

tools/ccanlint/compulsory_tests/build.h

@@ -2,4 +2,6 @@
 #define CCANLINT_BUILD_H
 char *build_module(struct manifest *m, bool keep, char **errstr);
 char *build_submodule(struct manifest *m);
+void build_objects(struct manifest *m,
+		   bool keep, struct score *score, const char *flags);
 #endif /* CCANLINT_BUILD_H */

tools/ccanlint/compulsory_tests/module_builds.c

@@ -82,3 +82,4 @@ struct ccanlint module_builds = {
 };
 
 REGISTER_TEST(module_builds);
+

tools/ccanlint/compulsory_tests/objects_build.c

@@ -13,6 +13,7 @@
 #include <err.h>
 #include <string.h>
 #include <ctype.h>
+#include "build.h"
 
 static const char *can_build(struct manifest *m)
 {
@@ -21,9 +22,8 @@ static const char *can_build(struct manifest *m)
 	return NULL;
 }
 
-static void check_objs_build(struct manifest *m,
-			     bool keep,
-			     unsigned int *timeleft, struct score *score)
+void build_objects(struct manifest *m,
+		   bool keep, struct score *score, const char *flags)
 {
 	struct ccan_file *i;
 	bool errors = false, warnings = false;
@@ -38,7 +38,7 @@ static void check_objs_build(struct manifest *m,
 		char *fullfile = talloc_asprintf(m, "%s/%s", m->dir, i->name);
 
 		i->compiled = maybe_temp_file(m, "", keep, fullfile);
-		if (!compile_object(score, fullfile, ccan_dir, compiler, cflags,
+		if (!compile_object(score, fullfile, ccan_dir, compiler, flags,
 				    i->compiled, &output)) {
 			talloc_free(i->compiled);
 			score_file_error(score, i, 0,
@@ -60,6 +60,13 @@ static void check_objs_build(struct manifest *m,
 	}
 }
 
+static void check_objs_build(struct manifest *m,
+			     bool keep,
+			     unsigned int *timeleft, struct score *score)
+{
+	build_objects(m, keep, score, cflags);
+}
+
 struct ccanlint objects_build = {
 	.key = "objects_build",
 	.name = "Module object files can be built",

tools/ccanlint/tests/objects_build_without_features.c

+#include <tools/ccanlint/ccanlint.h>
+#include <ccan/talloc/talloc.h>
+#include "../compulsory_tests/build.h"
+
+static void check_objs_build_without_features(struct manifest *m,
+					      bool keep,
+					      unsigned int *timeleft,
+					      struct score *score)
+{
+	const char *flags = talloc_asprintf(score, "-I. %s", cflags);
+	build_objects(m, keep, score, flags);
+}
+
+struct ccanlint objects_build_without_features = {
+	.key = "objects_build_without_features",
+	.name = "Module object files can be built (without features)",
+	.check = check_objs_build_without_features,
+	.needs = "reduce_features objects_build"
+};
+REGISTER_TEST(objects_build_without_features);
+