BLD: Fix installing Numpy on z/OS

1 files changed, 7 insertions, 0 deletions

diff --git a/numpy/distutils/unixccompiler.py b/numpy/distutils/unixccompiler.py
index 9bb7251d8..0cd2d243e 100644
--- a/numpy/distutils/unixccompiler.py
+++ b/numpy/distutils/unixccompiler.py
@@ -3,6 +3,8 @@ unixccompiler - can handle very long argument lists for ar.
 
 """
 import os
+import sys
+import subprocess
 
 from distutils.errors import CompileError, DistutilsExecError, LibError
 from distutils.unixccompiler import UnixCCompiler
@@ -56,6 +58,11 @@ def UnixCCompiler__compile(self, obj, src, ext, cc_args, extra_postargs, pp_opts
 
     # add commandline flags to dependency file
     if deps:
+        # After running the compiler, the file created will be in EBCDIC
+        # but will not be tagged as such. This tags it so the file does not
+        # have multiple different encodings being written to it
+        if sys.platform == 'zos':
+            subprocess.check_output(['chtag', '-tc', 'IBM1047', obj + '.d'])
         with open(obj + '.d', 'a') as f:
             f.write(_commandline_dep_string(cc_args, extra_postargs, pp_opts))