[master] 62a934b7e Pick up default gcov processor from environment.

[Poul-Henning Kamp]

commit 62a934b7e4fe17347cd1f4599052c76d71c89630
Author: Poul-Henning Kamp <phk at FreeBSD.org>
Date:   Mon May 13 17:07:08 2019 +0000

    Pick up default gcov processor from environment.

diff --git a/tools/gcov_digest.py b/tools/gcov_digest.py
index 90828a43f..797d9dea0 100644
--- a/tools/gcov_digest.py
+++ b/tools/gcov_digest.py
@@ -178,7 +178,9 @@ if __name__ == "__main__":
     optlist, args = getopt.getopt(sys.argv[1:], "g:o:x:")
 
     fo = sys.stdout
-    gcovprog = "gcov6 -r"
+    gcovprog = os.environ.get('GCOVPROG')
+    if gcovprog is None:
+        gcovprog = "gcov6 -r"
 
     for f, v in optlist:
         if f == '-o' and v == '-':