diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8ee83bc..f16d87b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -123,6 +123,8 @@ set(SOURCE_FILE
     file_reader.c
     urlparse.cpp
     http_client.cpp
+    utils_static.cpp
+    hash_map.cpp
 )
 set(SOURCE_FILE_HEADERS
     cfileop.h
@@ -149,9 +151,7 @@ set(SOURCE_FILE_HEADERS
     binary_tree.h
     binary_search_tree.h
     utils_static.h
-    utils_static.cpp
     hash_map.h
-    hash_map.cpp
 )
 
 if (NOT HAVE_STRPTIME)
diff --git a/encoding.cpp b/encoding.cpp
index a461b2b..cf93919 100644
--- a/encoding.cpp
+++ b/encoding.cpp
@@ -14,7 +14,7 @@
 #include <Windows.h>
 #endif
 
-#ifdef HAVE_SSCANF_S
+#if HAVE_SSCANF_S
 #define sscanf sscanf_s
 #endif
 
diff --git a/meson.build b/meson.build
new file mode 100644
index 0000000..51bbbab
--- /dev/null
+++ b/meson.build
@@ -0,0 +1,168 @@
+project('utils')
+add_languages('c', 'cpp', required: true)
+
+cc = meson.get_compiler('c')
+cxx = meson.get_compiler('cpp')
+enable_iconv = get_option('utils_iconv')
+deps = []
+
+conf = configuration_data()
+if enable_iconv.auto()
+    dep = dependency('iconv', required: false)
+    conf.set10('HAVE_ICONV', dep.found())
+    deps += dep
+elif enable_iconv.enabled()
+    deps += dependency('iconv', required: true)
+    conf.set10('HAVE_ICONV', true)
+endif
+
+enable_ssl = get_option('utils_ssl')
+if enable_ssl.auto()
+    dep = dependency('openssl', version: '>=3.0.0', required: false)
+    conf.set10('HAVE_SSL', dep.found())
+    deps += dep
+elif enable_ssl.enabled()
+    deps += dependency('openssl', version: '>=3.0.0', required: true)
+    conf.set10('HAVE_SSL', true)
+endif
+
+enable_zlib = get_option('utils_zlib')
+if enable_zlib.auto()
+    dep = dependency('zlib', required: false)
+    conf.set10('HAVE_ZLIB', dep.found())
+    deps += dep
+elif enable_zlib.enabled()
+    deps += dependency('zlib', required: true)
+    conf.set10('HAVE_ZLIB', true)
+endif
+
+WIN32 = host_machine.system() in ['windows', 'cygwin']
+MSVC = cc.get_id() == 'msvc'
+
+if not MSVC
+    deps += cc.find_library('m')
+endif
+
+if WIN32
+    deps += cc.find_library('Ws2_32')
+endif
+
+
+if MSVC
+    add_project_arguments('/UTF8', language: 'c')
+    add_project_arguments('/UTF8', language: 'cpp')
+endif
+
+if WIN32
+    conf.set10('HAVE__ACCESS_S', cc.has_header_symbol('io.h', '_access_s'))
+    conf.set10('HAVE__WACCESS_S', cc.has_header_symbol('io.h', '_waccess_s'))
+    conf.set10('HAVE_STRERROR_S', cc.has_header_symbol('string.h', 'strerror_s'))
+    conf.set10('HAVE__WCSERROR_S', cc.has_header_symbol('string.h', '_wcserror_s'))
+    conf.set10('HAVE_PRINTF_S', cc.has_header_symbol('stdio.h', 'printf_s'))
+    conf.set10('HAVE_FPRINTF_S', cc.has_header_symbol('stdio.h', 'fprintf_s'))
+    conf.set10('HAVE_SSCANF_S', cc.has_header_symbol('stdio.h', 'sscanf_s'))
+    conf.set10('HAVE__STRICMP', cc.has_header_symbol('string.h', '_stricmp'))
+    conf.set10('HAVE__STRNICMP', cc.has_header_symbol('string.h', '_strnicmp'))
+    conf.set10('HAVE__MKGMTIME', cc.has_header_symbol('time.h', '_mkgmtime'))
+    conf.set10('HAVE__GET_TIMEZONE', cc.has_header_symbol('time.h', '_get_timezone'))
+else
+    conf.set10('HAVE_FSEEKO', cc.has_header_symbol('stdio.h', 'fseeko'))
+    conf.set10('HAVE_FSEEKO64', cc.has_header_symbol('stdio.h', 'fseeko64'))
+    conf.set10('HAVE_FTELLO', cc.has_header_symbol('stdio.h', 'ftello'))
+    conf.set10('HAVE_FTELLO64', cc.has_header_symbol('stdio.h', 'ftello64'))
+endif
+conf.set10('HAVE_STRCASECMP', cc.has_header_symbol('string.h', 'strcasecmp'))
+conf.set10('HAVE_STRNCASECMP', cc.has_header_symbol('string.h', 'strncasecmp'))
+conf.set10('HAVE_STRERROR_R', cc.has_header_symbol('string.h', 'strerror_r'))
+conf.set10('HAVE_STRPTIME', cc.has_header_symbol('time.h', 'strptime'))
+if conf.get('HAVE_STRPTIME') == 0
+    conf.set10('HAVE_STRPTIME', cc.has_header_symbol('time.h', 'strptime', args: ['-D_XOPEN_SOURCE']))
+    if conf.get('HAVE_STRPTIME') == 1
+        add_project_arguments('-D_XOPEN_SOURCE', language: 'c')
+        add_project_arguments('-D_XOPEN_SOURCE', language: 'cpp')
+    endif
+endif
+if not WIN32
+    conf.set10('HAVE_FCLOSEALL', cc.has_header_symbol('stdio.h', 'fcloseall', args: ['-D_GNU_SOURCE']))
+    conf.set10('HAVE_TIMEGM', cc.has_header_symbol('time.h', 'timegm', args: ['-D_GNU_SOURCE']))
+    if conf.get('HAVE_FCLOSEALL') == 1 or conf.get('HAVE_TIMEGM') == 1
+        add_project_arguments('-D_GNU_SOURCE', language: 'c')
+        add_project_arguments('-D_GNU_SOURCE', language: 'cpp')
+    endif
+endif
+if conf.get('HAVE_STRERROR_R') == 1
+    HAVE_GNU_STRERROR_R = cc.run(files('test_strerror_r.c')).compiled()
+    conf.set10('HAVE_GNU_STRERROR_R', HAVE_GNU_STRERROR_R)
+    message('strerror_r is GNU complatable:', HAVE_GNU_STRERROR_R)
+endif
+configure_file(output: 'utils_config.h', configuration: conf)
+
+source_file = files([
+    'cfileop.cpp',
+    'cpp2c.cpp',
+    'cstr_util.c',
+    'err.cpp',
+    'fileop.cpp',
+    'wchar_util.cpp',
+    'memfile.c',
+    'cmath.c',
+    'time_util.cpp',
+    'encoding.cpp',
+    'str_util.cpp',
+    'c_linked_list.cpp',
+    'file_reader.c',
+    'urlparse.cpp',
+    'http_client.cpp',
+    'utils_static.cpp',
+    'hash_map.cpp',
+])
+
+source_file_headers = files([
+    'cfileop.h',
+    'cpp2c.h',
+    'cstr_util.h',
+    'dict.h',
+    'err.h',
+    'fileop.h',
+    'list_pointer.h',
+    'wchar_util.h',
+    'memfile.h',
+    'cmath.h',
+    'time_util.h',
+    'encoding.h',
+    'str_util.h',
+    'linked_list.h',
+    'c_linked_list.h',
+    'file_reader.h',
+    'urlparse.h',
+    'http_client.h',
+    'stack.h',
+    'linked_stack.h',
+    'circular_queue.h',
+    'binary_tree.h',
+    'binary_search_tree.h',
+    'utils_static.h',
+    'hash_map.h',
+])
+
+if conf.get('HAVE_STRPTIME') == 0
+    source_file += files([
+        'strptime/strptime.c',
+        'strptime/strptime.h',
+    ])
+endif
+
+source_file += source_file_headers
+
+static_library('utils', 
+    source_file,
+    dependencies: deps,
+    install: get_option('utils_standalone'),
+    c_args: ['-DHAVE_UTILS_CONFIG_H'],
+    cpp_args: ['-DHAVE_UTILS_CONFIG_H'],
+    pic: true,
+)
+
+if get_option('utils_standalone')
+    install_headers(source_file_headers)
+endif
diff --git a/meson_options.txt b/meson_options.txt
new file mode 100644
index 0000000..d9b8768
--- /dev/null
+++ b/meson_options.txt
@@ -0,0 +1,4 @@
+option('utils_iconv', type: 'feature', value: 'auto', description: 'Enable iconv support')
+option('utils_standalone', type: 'boolean', value: false, description: 'Build standalone utils')
+option('utils_ssl', type: 'feature', value: 'disabled', description: 'Enable SSL support')
+option('utils_zlib', type: 'feature', value: 'disabled', description: 'Enable zlib support for uncompress http data.')
diff --git a/time_util.cpp b/time_util.cpp
index 9f10c26..4e4c0ae 100644
--- a/time_util.cpp
+++ b/time_util.cpp
@@ -7,7 +7,7 @@
 
 #include <stdio.h>
 
-#ifndef HAVE_STRPTIME
+#if !HAVE_STRPTIME
 #include "strptime/strptime.h"
 #endif