--- setup.py.orig	2024-06-20 20:46:47
+++ setup.py	2024-06-20 20:47:06
@@ -135,7 +135,7 @@
 }
 
 CFLAGS = {
-    'darwin': ['-std=c++17'],
+    'darwin': ['-std=c++11'],
     'linux': ['-std=c++17'],
     'freebsd': ['-std=c++17'],
     'win32': ['/Zc:wchar_t', '/EHsc'],
@@ -195,7 +195,7 @@
     except:
         if not _cflags:
             raise RuntimeError('''
-Please install pkg-config on your system or set the PYICU_CFLAGS environment 
+Please install pkg-config on your system or set the PYICU_CFLAGS environment
 variable to the flags required by the C++ compiler to find the header files
 for ICU, and possibly -std=c++11 if using ICU version >= 60 or -std=c++17 if using ICU version >= 75
             ''')
@@ -234,8 +234,8 @@
 Please install pkg-config on your system or set the PYICU_LFLAGS environment
 variable to the flags required by the linker to find the libraries for ICU
             ''')
-      
 
+
 if 'PYICU_LIBRARIES' in os.environ:
     _libraries = os.environ['PYICU_LIBRARIES'].split(os.pathsep)
 elif ICU_VERSION < '58':