changing to v7 conda_build file
c_compiler_version: # [unix]
- - 11 # [osx]
- - 9 # [linux]
+ - 7 # [osx]
+ - 7 # [linux]
cxx_compiler_version: # [unix]
- - 11 # [osx]
- - 9 # [linux]
+ - 7 # [osx]
+ - 7 # [linux]
fortran_compiler_version: # [unix]
- 7 # [unix]
