Fix Python3 compatibility.

* build/gen-build.py (extract_deps): Do not assume that source files are only ASCII.
   This fixes an APR-Util build failure on macOS High Sierra.

Backports: r1846806



git-svn-id: http://svn.apache.org/repos/asf/apr/apr/branches/1.7.x@1846807 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 2 insertions, 1 deletions

diff --git a/build/gen-build.py b/build/gen-build.py
index 70d88ba9a..53ca595f5 100755
--- a/build/gen-build.py
+++ b/build/gen-build.py
@@ -14,6 +14,7 @@ try:
   import configparser
 except ImportError:
   import ConfigParser as configparser
+import codecs
 import getopt
 import string
 import glob
@@ -195,7 +196,7 @@ def write_objects(f, legal_deps, h_deps, files):
 def extract_deps(fname, legal_deps):
   "Extract the headers this file includes."
   deps = { }
-  for line in open(fname).readlines():
+  for line in codecs.open(fname, 'r', 'utf-8').readlines():
     if line[:8] != '#include':
       continue
     inc = _re_include.match(line).group(1)