(conan-io#25332) json-c: add new version 0.18

* json-c: add version 0.18

* link math lib

recipes/json-c/all/conandata.yml

@@ -1,4 +1,7 @@
 sources:
+  "0.18":
+    url: "https://github.com/json-c/json-c/archive/json-c-0.18-20240915.tar.gz"
+    sha256: "3112c1f25d39eca661fe3fc663431e130cc6e2f900c081738317fba49d29e298"
   "0.17":
     url: "https://github.com/json-c/json-c/archive/json-c-0.17-20230812.tar.gz"
     sha256: "024d302a3aadcbf9f78735320a6d5aedf8b77876c8ac8bbb95081ca55054c7eb"

recipes/json-c/all/conanfile.py

@@ -1,6 +1,6 @@
 from conan import ConanFile
 from conan.tools.cmake import CMake, CMakeToolchain, cmake_layout
-from conan.tools.files import collect_libs, copy, get, rmdir
+from conan.tools.files import copy, get, rmdir
 from conan.tools.scm import Version
 import os
 
@@ -9,13 +9,13 @@
 
 class JSONCConan(ConanFile):
     name = "json-c"
-    package_type = "library"
-    description = "JSON-C - A JSON implementation in C"
-    topics = ("json", "encoding", "decoding", "manipulation")
+    description = "A JSON implementation in C"
+    license = "MIT"
     url = "https://github.com/conan-io/conan-center-index"
     homepage = "https://github.com/json-c/json-c"
-    license = "MIT"
+    topics = ("json", "encoding", "decoding", "manipulation")
 
+    package_type = "library"
     settings = "os", "arch", "compiler", "build_type"
     options = {
         "shared": [True, False],
@@ -64,8 +64,12 @@ def package(self):
         rmdir(self, os.path.join(self.package_folder, "lib", "pkgconfig"))
 
     def package_info(self):
+        self.cpp_info.libs = ["json-c"]
+
         self.cpp_info.set_property("cmake_file_name", "json-c")
         self.cpp_info.set_property("cmake_target_name", "json-c::json-c")
         self.cpp_info.set_property("pkg_config_name", "json-c")
-        self.cpp_info.libs = collect_libs(self)
-        self.cpp_info.includedirs = ["include", "include/json-c"]
+        self.cpp_info.includedirs = ["include", os.path.join("include", "json-c")]
+
+        if Version(self.version) >= "0.17" and self.settings.os in ["Linux", "FreeBSD"]:
+            self.cpp_info.system_libs.extend(["m",])

recipes/json-c/config.yml

@@ -1,4 +1,6 @@
 versions:
+  "0.18":
+    folder: all
   "0.17":
     folder: all
   "0.16":