From b744da8cdcb59542f5452c30d4f0c7b5b42255d1 Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Tue, 26 Apr 2016 14:24:21 +0930
Subject: [PATCH] generator: don't even try to compile if !HAVE_UCONTEXT.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 ccan/generator/_info | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/ccan/generator/_info b/ccan/generator/_info
index b0b7343f..11753a5b 100644
--- a/ccan/generator/_info
+++ b/ccan/generator/_info
@@ -63,6 +63,14 @@ int main(int argc, char *argv[])
 		return 0;
 	}
 
+	if (strcmp(argv[1], "ported") == 0) {
+#if HAVE_UCONTEXT
+		printf("\n");
+#else
+		printf("Needs ucontext support\n");
+#endif
+	}
+
 	if (strcmp(argv[1], "testdepends") == 0) {
 		printf("ccan/str\n");
 		return 0;
-- 
2.39.2