Initial support for the Meson build system

meson.build

@@ -0,0 +1,58 @@
+project('cJSON', 'c', default_options: ['c_std=c89'])
+version = '1.6.0'
+soversion = '0'
+
+compiler = meson.get_compiler('c')
+
+compiler_flags = []
+
+if (compiler.get_id() == 'clang') or (compiler.get_id() == 'gcc')
+	compiler_flags += [
+		'-pedantic',
+		'-Wall',
+		'-Wextra',
+		'-Werror',
+		'-Wstrict-prototypes',
+		'-Wwrite-strings',
+		'-Wshadow',
+		'-Winit-self',
+		'-Wcast-align',
+		'-Wformat=2',
+		'-Wmissing-prototypes',
+		'-Wstrict-overflow=2',
+		'-Wcast-qual',
+		'-Wundef',
+		'-Wswitch-default',
+		'-Wconversion',
+		'-Wc++-compat',
+		'-fstack-protector-strong',
+		'-Wcomma',
+		'-Wdouble-promotion',
+		'-Wparentheses',
+		'-Wformat-overflow',
+		'-Wunused-macros',
+		'-Wmissing-variable-declarations',
+		'-Wused-but-marked-unused',
+		'-Wswitch-enum'
+	]
+endif
+
+foreach flag : compiler_flags
+	if compiler.has_argument(flag)
+		add_project_arguments(flag, language: 'c')
+	endif
+endforeach
+
+math = compiler.find_library('m', required: false)
+
+cjson = shared_library('cjson', 'cJSON.c', dependencies: math, version: version, soversion: soversion, install: true)
+if get_option('enable_cjson_utils')
+	cjson_utils = shared_library('cjson_utils', 'cJSON_Utils.c', link_with: cjson, version: version, soversion: soversion, install: true)
+endif
+
+if get_option('enable_cjson_tests')
+	cjson_test = executable('cjson_test', 'test.c', link_with: cjson)
+	test('cjson_test', cjson_test)
+endif
+
+subdir('tests')