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-rw-r--r--Misc/NEWS3
-rw-r--r--setup.py21
2 files changed, 24 insertions, 0 deletions
diff --git a/Misc/NEWS b/Misc/NEWS
index 9b53ce9b92..53975f02b8 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -312,6 +312,9 @@ Tests
Build
-----
+- Issue #11715: Fix multiarch detection without having Debian development
+ tools (dpkg-dev) installed.
+
- Issue #15037: Build OS X installers with local copy of ncurses 5.9 libraries
to avoid curses.unget_wch bug present in older versions of ncurses such as
those shipped with OS X.
diff --git a/setup.py b/setup.py
index bc1e1bbd87..7f863a4789 100644
--- a/setup.py
+++ b/setup.py
@@ -379,6 +379,27 @@ class PyBuildExt(build_ext):
def add_multiarch_paths(self):
# Debian/Ubuntu multiarch support.
# https://wiki.ubuntu.com/MultiarchSpec
+ cc = sysconfig.get_config_var('CC')
+ tmpfile = os.path.join(self.build_temp, 'multiarch')
+ if not os.path.exists(self.build_temp):
+ os.makedirs(self.build_temp)
+ ret = os.system(
+ '%s -print-multiarch > %s 2> /dev/null' % (cc, tmpfile))
+ multiarch_path_component = ''
+ try:
+ if ret >> 8 == 0:
+ with open(tmpfile) as fp:
+ multiarch_path_component = fp.readline().strip()
+ finally:
+ os.unlink(tmpfile)
+
+ if multiarch_path_component != '':
+ add_dir_to_list(self.compiler.library_dirs,
+ '/usr/lib/' + multiarch_path_component)
+ add_dir_to_list(self.compiler.include_dirs,
+ '/usr/include/' + multiarch_path_component)
+ return
+
if not find_executable('dpkg-architecture'):
return
opt = ''