Try using stdlib=libc++

Author: rmjarvis

.github/workflows/wheels.yml

@@ -90,8 +90,8 @@ jobs:
           CIBW_SKIP: cp36* cp37* cp38* pp*
           CIBW_BEFORE_ALL: brew install llvm libomp fftw eigen
           CIBW_ENVIRONMENT: >-
-            CC=/opt/homebrew/opt/llvm/bin/clang
-            CXX=/opt/homebrew/opt/llvm/bin/clang++
+            CC="/opt/homebrew/opt/llvm/bin/clang -stdlib=libc++"
+            CCX="/opt/homebrew/opt/llvm/bin/clang++ -stdlib=libc++"
             LDFLAGS="-L/opt/homebrew/opt/llvm/lib -Wl,-rpath,/opt/homebrew/opt/llvm/lib"
             CPPFLAGS="-I/opt/homebrew/opt/llvm/include"
             PATH="/opt/homebrew/opt/llvm/bin:$PATH"

galsim/_version.py

@@ -15,5 +15,5 @@
 #    this list of conditions, and the disclaimer given in the documentation
 #    and/or other materials provided with the distribution.
 #
-__version__ = '2.8.2-a2'
+__version__ = '2.8.2-a3'
 __version_info__ = tuple(map(lambda x:int(x.split('-')[0]), __version__.split('.')))[:3]