compiler: Add PURE_FUNCTION

[ccan] / tools / configurator / configurator.c

diff --git a/tools/configurator/configurator.c b/tools/configurator/configurator.c
index 5ba8cb0bb0c780a54849a8137187d22b647a62da..6fa88e5b071fa6d80faf1fb4cfdeca8565e77b55 100644 (file)
--- a/tools/configurator/configurator.c
+++ b/tools/configurator/configurator.c
@@ -79,6 +79,8 @@ static struct test tests[] = {
          "static int __attribute__((cold)) func(int x) { return x; }" },
        { "HAVE_ATTRIBUTE_CONST", DEFINES_FUNC, NULL, NULL,
          "static int __attribute__((const)) func(int x) { return x; }" },
          "static int __attribute__((cold)) func(int x) { return x; }" },
        { "HAVE_ATTRIBUTE_CONST", DEFINES_FUNC, NULL, NULL,
          "static int __attribute__((const)) func(int x) { return x; }" },

+       { "HAVE_ATTRIBUTE_PURE", DEFINES_FUNC, NULL, NULL,
+         "static int __attribute__((pure)) func(int x) { return x; }" },

        { "HAVE_ATTRIBUTE_MAY_ALIAS", OUTSIDE_MAIN, NULL, NULL,
          "typedef short __attribute__((__may_alias__)) short_a;" },
        { "HAVE_ATTRIBUTE_NORETURN", DEFINES_FUNC, NULL, NULL,
        { "HAVE_ATTRIBUTE_MAY_ALIAS", OUTSIDE_MAIN, NULL, NULL,
          "typedef short __attribute__((__may_alias__)) short_a;" },
        { "HAVE_ATTRIBUTE_NORETURN", DEFINES_FUNC, NULL, NULL,