From 29bb435eccdb59b9b3966d2769b45ff4bfbcb7d8 Mon Sep 17 00:00:00 2001
From: Ondrej Holy <oholy@redhat.com>
Date: Tue, 30 Apr 2024 15:49:46 +0200
Subject: [PATCH] [cmake] add JSON library find modules

* Add module for cJSON
* Add module for json-c
---
 cmake/FindJSONC.cmake | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 cmake/FindJSONC.cmake

diff --git a/cmake/FindJSONC.cmake b/cmake/FindJSONC.cmake
new file mode 100644
index 000000000..bb0d19464
--- /dev/null
+++ b/cmake/FindJSONC.cmake
@@ -0,0 +1,24 @@
+# - Try to find JSON-C
+# Once done this will define
+#
+#  JSONC_FOUND - JSON-C was found
+#  JSONC_INCLUDE_DIRS - JSON-C include directories
+#  JSONC_LIBRARIES - libraries needed for linking
+
+find_package(PkgConfig)
+if(PKG_CONFIG_FOUND)
+    pkg_check_modules(PC_JSON json-c)
+endif()
+
+find_path(JSONC_INCLUDE_DIR NAMES json-c/json.h json/json.h)
+find_library(JSONC_LIBRARY NAMES json-c)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(JSONC DEFAULT_MSG JSONC_LIBRARY JSONC_INCLUDE_DIR)
+
+if(JSONC_FOUND)
+	set(JSONC_LIBRARIES ${JSONC_LIBRARY})
+	set(JSONC_INCLUDE_DIRS ${JSONC_INCLUDE_DIR}/json-c)
+endif()
+
+mark_as_advanced(JSONC_LIBRARY JSONC_INCLUDE_DIR)