Add 'json4cpp/' from commit '9a737481aed085fd289f82dff1fa8c3c66627a7e'

git-subtree-dir: json4cpp
git-subtree-mainline: 292baed7ac0cf84263263966ed32ed113cae857f
git-subtree-split: 9a737481aed085fd289f82dff1fa8c3c66627a7e

3 files changed, 59 insertions, 0 deletions

diff --git a/json4cpp/tests/cmake_add_subdirectory/CMakeLists.txt b/json4cpp/tests/cmake_add_subdirectory/CMakeLists.txt
new file mode 100644
index 0000000000..7bb661075f
--- /dev/null
+++ b/json4cpp/tests/cmake_add_subdirectory/CMakeLists.txt
@@ -0,0 +1,19 @@
+add_test(NAME cmake_add_subdirectory_configure
+  COMMAND ${CMAKE_COMMAND}
+    -G "${CMAKE_GENERATOR}"
+    -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
+    -DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}
+    -Dnlohmann_json_source=${PROJECT_SOURCE_DIR}
+    ${CMAKE_CURRENT_SOURCE_DIR}/project
+)
+add_test(NAME cmake_add_subdirectory_build
+  COMMAND ${CMAKE_COMMAND} --build .
+)
+set_tests_properties(cmake_add_subdirectory_configure PROPERTIES
+  FIXTURES_SETUP cmake_add_subdirectory
+  LABELS not_reproducible
+)
+set_tests_properties(cmake_add_subdirectory_build PROPERTIES
+  FIXTURES_REQUIRED cmake_add_subdirectory
+  LABELS not_reproducible
+)
diff --git a/json4cpp/tests/cmake_add_subdirectory/project/CMakeLists.txt b/json4cpp/tests/cmake_add_subdirectory/project/CMakeLists.txt
new file mode 100644
index 0000000000..ff8838e6d7
--- /dev/null
+++ b/json4cpp/tests/cmake_add_subdirectory/project/CMakeLists.txt
@@ -0,0 +1,24 @@
+cmake_minimum_required(VERSION 3.5...3.14)
+
+project(DummyImport CXX)
+
+if(MSVC)
+    add_compile_options(/EHsc)
+endif()
+
+set(JSON_BuildTests OFF CACHE INTERNAL "")
+add_subdirectory(${nlohmann_json_source}
+   ${CMAKE_CURRENT_BINARY_DIR}/nlohmann_json)
+
+add_executable(with_namespace_target main.cpp)
+target_link_libraries(with_namespace_target nlohmann_json::nlohmann_json)
+
+add_executable(without_namespace_target main.cpp)
+target_link_libraries(without_namespace_target nlohmann_json)
+
+if(NOT MSVC)
+    add_executable(without_exceptions main.cpp)
+    target_link_libraries(without_exceptions nlohmann_json::nlohmann_json)
+    target_compile_definitions(without_exceptions PRIVATE JSON_NOEXCEPTION)
+    target_compile_options(without_exceptions PRIVATE -fno-exceptions)
+endif()
diff --git a/json4cpp/tests/cmake_add_subdirectory/project/main.cpp b/json4cpp/tests/cmake_add_subdirectory/project/main.cpp
new file mode 100644
index 0000000000..95b4e161bd
--- /dev/null
+++ b/json4cpp/tests/cmake_add_subdirectory/project/main.cpp
@@ -0,0 +1,16 @@
+//     __ _____ _____ _____
+//  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
+// |  |  |__   |  |  | | | |  version 3.12.0
+// |_____|_____|_____|_|___|  https://github.com/nlohmann/json
+//
+// SPDX-FileCopyrightText: 2013-2026 Niels Lohmann <https://nlohmann.me>
+// SPDX-License-Identifier: MIT
+
+#include <nlohmann/json.hpp>
+
+int main()
+{
+    nlohmann::json j;
+
+    return 0;
+}