Since SYSROOT=/ interacts badly with autotools.eclass (bug 654600),
and no EAPI expects SYSROOT to have a trailing slash, always strip
the trailing slash from SYSROOT.

Bug: https://bugs.gentoo.org/654600
Fixes: a41dacf7926c ("Export SYSROOT and ESYSROOT in ebuild env in EAPI 7")
---
 pym/portage/package/ebuild/config.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/pym/portage/package/ebuild/config.py 
b/pym/portage/package/ebuild/config.py
index f9b257b86..96b2ebb71 100644
--- a/pym/portage/package/ebuild/config.py
+++ b/pym/portage/package/ebuild/config.py
@@ -2813,11 +2813,16 @@ class config(object):
                        mydict.pop("ECLASSDIR", None)
 
                if not eapi_attrs.path_variables_end_with_trailing_slash:
-                       for v in ("D", "ED", "ROOT", "EROOT", "SYSROOT", 
"ESYSROOT",
-                                       "BROOT"):
+                       for v in ("D", "ED", "ROOT", "EROOT", "ESYSROOT", 
"BROOT"):
                                if v in mydict:
                                        mydict[v] = 
mydict[v].rstrip(os.path.sep)
 
+               # Since SYSROOT=/ interacts badly with autotools.eclass (bug 
654600),
+               # and no EAPI expects SYSROOT to have a trailing slash, always 
strip
+               # the trailing slash from SYSROOT.
+               if 'SYSROOT' in mydict:
+                       mydict['SYSROOT'] = 
mydict['SYSROOT'].rstrip(os.path.sep)
+
                try:
                        builddir = mydict["PORTAGE_BUILDDIR"]
                        distdir = mydict["DISTDIR"]
-- 
2.13.6


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