diff --git a/subprojects/packagefiles/json-c/config/meson.build b/subprojects/packagefiles/json-c/config/meson.build
new file mode 100644
index 0000000..0c57785
--- /dev/null
+++ b/subprojects/packagefiles/json-c/config/meson.build
@@ -0,0 +1,110 @@
+conf = configuration_data()
+check_headers = [
+    'dlfcn.h',
+    'endian.h',
+    'fcntl.h',
+    'float.h',
+    'inttypes.h',
+    'limits.h',
+    'memory.h',
+    'stdarg.h',
+    'stdint.h',
+    'stdlib.h',
+    'strings.h',
+    'string.h',
+    'syslog.h',
+    'sys/cdefs.h',
+    'sys/param.h',
+    'sys/stat.h',
+    'sys/types.h',
+    'unistd.h',
+    'xlocale.h',
+]
+
+foreach header : check_headers
+    if cc.has_header(header)
+        conf.set('HAVE_@0@'.format(header.underscorify().to_upper()), 1)
+    endif
+endforeach
+
+have_stdc = true
+foreach header : ['stdlib.h', 'stdarg.h', 'string.h', 'float.h']
+    if not conf.has('HAVE_@0@'.format(header.underscorify().to_upper()))
+        have_stdc = false
+    endif
+endforeach
+conf.set10('STDC_HEADERS', have_stdc)
+
+foreach symbol : ['_isnan', '_finite']
+    if cc.has_header_symbol('float.h', symbol)
+        conf.set('HAVE_DECL_@0@'.format(symbol.to_upper()), 1)
+    endif
+endforeach
+
+foreach symbol : ['INFINITY', 'isinf', 'isnan', 'nan']
+    if cc.has_header_symbol('math.h', symbol)
+        conf.set('HAVE_DECL_@0@'.format(symbol.to_upper()), 1)
+    endif
+endforeach
+
+check_function = [
+    'vasprintf',
+    'realloc',
+    'strcasecmp',
+    'strdup',
+    'strerror',
+    'vsyslog',
+    'open',
+    'strtoll',
+]
+
+if conf.has('HAVE_STRINGS_H')
+    check_function += 'strncasecmp'
+endif
+
+foreach function : check_function
+    if cc.has_function(function)
+        conf.set('HAVE_@0@'.format(function.to_upper()), 1)
+    endif
+endforeach
+conf.set10('HAVE_DOPRNT', cc.has_function('_doprnt'))
+
+foreach f : ['snprintf', 'vsnprintf', 'vprintf']
+    if cc.has_header_symbol('stdio.h', f)
+        conf.set('HAVE_@0@'.format(f.to_upper()), 1)
+    endif
+endforeach
+
+size = cc.sizeof('size_t', prefix: '#include <stddef.h>')
+conf.set('SIZEOF_SIZE_T', size)
+
+if cc.get_argument_syntax() == 'msvc'
+    size = cc.sizeof('SSIZE_T', prefix: '#include <BaseTsd.h>')
+else
+    size = cc.sizeof('ssize_t', prefix: '#include <sys/types.h>')
+endif
+conf.set('SIZEOF_SSIZE_T', size)
+
+foreach type : ['int', 'int64_t', 'long', 'long long']
+    size = cc.sizeof(type, prefix: '#include <stdint.h>')
+    conf.set('SIZEOF_@0@'.format(type.underscorify().to_upper()), size)
+endforeach
+
+if cc.links('int main(){__sync_synchronize();}', name: 'atomic builtins')
+    conf.set('HAVE_ATOMIC_BUILTINS', 1)
+endif
+
+if cc.compiles('static __thread int x = 0;', name: '__thread')
+    conf.set('HAVE___THREAD', 1)
+endif
+
+if conf.has('HAVE___THREAD')
+    conf.set('SPEC___THREAD', '__thread')
+elif cc.get_argument_syntax() == 'msvc'
+    conf.set('SPEC___THREAD', '__declspec(thread)')
+endif
+
+conf.set_quoted('VERSION', meson.project_version())
+
+config_h = configure_file(configuration: conf, output: 'config.h')
+