[Buildroot] [PATCH 1/1] libkcapi: depends on BR2_TOOLCHAIN_HAS_SYNC_4

[Fabrice Fontaine]

Since commit
https://github.com/smuellerDD/libkcapi/commit/4d0a5c235536b5f679e6a9b0c847f56c9cfc3835,
libkcapi uses __sync_add_and_fetch_4 and __sync_sub_and_fetch_4

Fixes:
 - http://autobuild.buildroot.net/results/de5e136ea433633d836bff1d2ac1d3b461391b83

Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>
---
 package/libkcapi/Config.in | 1 +
 1 file changed, 1 insertion(+)

diff --git a/package/libkcapi/Config.in b/package/libkcapi/Config.in
index 7397cfe800..1dbcdc381b 100644
--- a/package/libkcapi/Config.in
+++ b/package/libkcapi/Config.in
@@ -1,5 +1,6 @@
 config BR2_PACKAGE_LIBKCAPI
 	bool "libkcapi"
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	help
 	  Linux Kernel Crypto API userspace interface library
 
-- 
2.14.1