tree af180a86fb3eede5733dff7c4d8af276abea7a60
parent 3aa1192a0071ba640f249566c1d4ba2cf391a21c
author zeroxia <zeroxia@users.noreply.github.com> 1725938057 +0800
committer GitHub <noreply@github.com> 1725938057 -0700
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cmake export configuration: allow repeating find_package(jsoncpp) calls (#1491)

In jsoncpp-namspaced-targets.cmake, it creates JsonCpp::JsonCpp imported
library without first checking whether it was already created by former
call to find_package(JsonCpp).  As CMake allows repeated call to
find_package(), the error of "another target with the same name already
exists" should be fixed.

Co-authored-by: xiazuoling.xzl <xiazuoling.xzl@alibaba-inc.com>
Co-authored-by: Jordan Bayles <bayles.jordan@gmail.com>