commit fa0dff18fdef3dc7cd0ab0376a2aa19f878dbbc2
author Roelof Oomen <rj.oomen@isohorti.com> Tue Sep 10 05:02:24 2024 +0200
committer GitHub <noreply@github.com> Mon Sep 09 20:02:24 2024 -0700
tree bffa1a47d3ba8ef49de18a61fbc08f9b325f31ad
parent 48d2e106a71b91a1259127ae0ca4d759e11ea890

Protect target JsonCpp::JsonCpp against multi-include (#1435)

* Protect target JsonCpp::JsonCpp against multi-include

Fixes #1356

* Simplify (@BillyDonahue)

---------

Co-authored-by: Jordan Bayles <bayles.jordan@gmail.com>

jsoncpp-namespaced-targets.cmake

diff --git a/jsoncpp-namespaced-targets.cmake b/jsoncpp-namespaced-targets.cmake
index ac1504e..70a79ee 100644
--- a/jsoncpp-namespaced-targets.cmake
+++ b/jsoncpp-namespaced-targets.cmake
@@ -1,7 +1,9 @@
-if (TARGET jsoncpp_static)
-    add_library(JsonCpp::JsonCpp INTERFACE IMPORTED)
-    set_target_properties(JsonCpp::JsonCpp PROPERTIES INTERFACE_LINK_LIBRARIES "jsoncpp_static")
-elseif (TARGET jsoncpp_lib)
-    add_library(JsonCpp::JsonCpp INTERFACE IMPORTED)
-    set_target_properties(JsonCpp::JsonCpp PROPERTIES INTERFACE_LINK_LIBRARIES "jsoncpp_lib")
-endif ()
\ No newline at end of file
+if (NOT TARGET JsonCpp::JsonCpp)
+    if (TARGET jsoncpp_static)
+        add_library(JsonCpp::JsonCpp INTERFACE IMPORTED)
+        set_target_properties(JsonCpp::JsonCpp PROPERTIES INTERFACE_LINK_LIBRARIES "jsoncpp_static")
+    elseif (TARGET jsoncpp_lib)
+        add_library(JsonCpp::JsonCpp INTERFACE IMPORTED)
+        set_target_properties(JsonCpp::JsonCpp PROPERTIES INTERFACE_LINK_LIBRARIES "jsoncpp_lib")
+    endif ()
+endif ()