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-rw-r--r--CMakeLists.txt2
1 files changed, 1 insertions, 1 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 756e379..2213850 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -544,7 +544,7 @@ macro (CMAKE_BUILD_UTILITIES)
#---------------------------------------------------------------------
# Build jsoncpp library.
if(CMAKE_USE_SYSTEM_JSONCPP)
- find_package(JsonCpp)
+ find_package(JsonCpp 1.4.1)
if(NOT JsonCpp_FOUND)
message(FATAL_ERROR
"CMAKE_USE_SYSTEM_JSONCPP is ON but a JsonCpp is not found!")