[LEDE-DEV] [PATCH fstools 2/2] cmake: Link against libjson-c

[Florian Fainelli]

block uses libblob_msgjson which requires us to link against libjson-c.
Some external toolchains would be failing to find that library unless
specified explicitly.

Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
---
 CMakeLists.txt | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9a5a583c46bf..7db28c0ab2ad 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -53,12 +53,14 @@ ADD_EXECUTABLE(mount_root mount_root.c)
 TARGET_LINK_LIBRARIES(mount_root fstools)
 INSTALL(TARGETS mount_root RUNTIME DESTINATION sbin)
 
+find_library(json NAMES json-c json)
+
 ADD_EXECUTABLE(block block.c)
 IF(DEFINED CMAKE_UBIFS_EXTROOT)
 	ADD_DEFINITIONS(-DUBIFS_EXTROOT)
-	TARGET_LINK_LIBRARIES(block blkid-tiny uci ubox blobmsg_json ubi-utils)
+	TARGET_LINK_LIBRARIES(block blkid-tiny uci ubox blobmsg_json ubi-utils ${json})
 ELSE(DEFINED CMAKE_UBIFS_EXTROOT)
-	TARGET_LINK_LIBRARIES(block blkid-tiny uci ubox blobmsg_json)
+	TARGET_LINK_LIBRARIES(block blkid-tiny uci ubox blobmsg_json ${json})
 ENDIF(DEFINED CMAKE_UBIFS_EXTROOT)
 INSTALL(TARGETS block RUNTIME DESTINATION sbin)
 
-- 
2.7.4