Merge pull request #1103 from slaclab/rocky8

Update conda build meta to use older system libraries and C++

Author: slacrherbst

conda-recipe/meta.yaml

@@ -15,6 +15,9 @@ requirements:
      - git
      - cmake
      - make
+     # Target CentOS 7 glibc (2.17) for maximum compatibility
+     # OR target Rocky 8 glibc (2.28) specifically
+     - sysroot_linux-64 2.28
    host:
      - boost
      - bzip2