Use GCC 9 for conda builds to be compatible with newer sysroot versions (#35)

Author: ggeorgakoudis

buildscripts/conda-recipes/pyomp/conda_build_config.yaml

@@ -1,18 +1,13 @@
-# Numba/llvmlite stack needs an older compiler for backwards compatibility.
-# Numba/llvmlite stack needs an older compiler for backwards compatability.
 c_compiler_version:
-  - 7                       # [linux and (x86_64 or ppc64le)]
-  - 9                       # [linux and aarch64]
+  - 9                       # [linux]
   - 14                      # [osx]
 
 cxx_compiler_version:
-  - 7                       # [linux and (x86_64 or ppc64le)]
-  - 9                       # [linux and aarch64]
+  - 9                       # [linux]
   - 14                      # [osx]
 
 fortran_compiler_version:
-  - 7                       # [linux and (x86_64 or ppc64le)]
-  - 9                       # [linux and aarch64]
+  - 9                       # [linux]
 
 cxx_compiler:        # [osx]
   - clang_bootstrap  # [osx]