--- /dev/null
+From 1ce4258c219fe08b6d6eaa6aa944f27d91d054cb Mon Sep 17 00:00:00 2001
+From: James Hilliard <james.hilliard1@gmail.com>
+Date: Sat, 18 Jul 2020 17:01:33 -0600
+Subject: [PATCH] backends: fix rpath match pattern
+
+Since -Wl,-rpath= is not the only valid rpath ldflags syntax we
+need to try and match all valid rpath ldflags.
+
+In addition we should prevent -Wl,--just-symbols from being used to
+set rpath due to inconsistent compiler support.
+
+Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
+---
+ mesonbuild/backend/backends.py | 30 ++++++++++++++++++++++++--
+ run_unittests.py | 39 +++++++++++++++++++++++-----------
+ 2 files changed, 55 insertions(+), 14 deletions(-)
+
+diff --git a/mesonbuild/backend/backends.py b/mesonbuild/backend/backends.py
+index cfd3a397fd..e053f67e6b 100644
+--- a/mesonbuild/backend/backends.py
++++ b/mesonbuild/backend/backends.py
+@@ -14,6 +14,7 @@
+
+ from collections import OrderedDict
+ from functools import lru_cache
++from pathlib import Path
+ import enum
+ import json
+ import os
+@@ -455,10 +456,35 @@ def get_external_rpath_dirs(self, target):
+ args.extend(self.environment.coredata.get_external_link_args(target.for_machine, lang))
+ except Exception:
+ pass
++ # Match rpath formats:
++ # -Wl,-rpath=
++ # -Wl,-rpath,
++ rpath_regex = re.compile(r'-Wl,-rpath[=,]([^,]+)')
++ # Match solaris style compat runpath formats:
++ # -Wl,-R
++ # -Wl,-R,
++ runpath_regex = re.compile(r'-Wl,-R[,]?([^,]+)')
++ # Match symbols formats:
++ # -Wl,--just-symbols=
++ # -Wl,--just-symbols,
++ symbols_regex = re.compile(r'-Wl,--just-symbols[=,]([^,]+)')
+ for arg in args:
+- if arg.startswith('-Wl,-rpath='):
+- for dir in arg.replace('-Wl,-rpath=','').split(':'):
++ rpath_match = rpath_regex.match(arg)
++ if rpath_match:
++ for dir in rpath_match.group(1).split(':'):
+ dirs.add(dir)
++ runpath_match = runpath_regex.match(arg)
++ if runpath_match:
++ for dir in runpath_match.group(1).split(':'):
++ # The symbols arg is an rpath if the path is a directory
++ if Path(dir).is_dir():
++ dirs.add(dir)
++ symbols_match = symbols_regex.match(arg)
++ if symbols_match:
++ for dir in symbols_match.group(1).split(':'):
++ # Prevent usage of --just-symbols to specify rpath
++ if Path(dir).is_dir():
++ raise MesonException('Invalid arg for --just-symbols, {} is a directory.'.format(dir))
+ return dirs
+
+ def rpaths_for_bundled_shared_libraries(self, target, exclude_system=True):
+diff --git a/run_unittests.py b/run_unittests.py
+index b5294b9f82..73131c75b7 100755
+--- a/run_unittests.py
++++ b/run_unittests.py
+@@ -6451,19 +6451,34 @@ def test_global_rpath(self):
+ self.init(yonder_dir)
+ self.build()
+ self.install(use_destdir=False)
+- self.new_builddir()
+
+- # Build an app that uses that installed library.
+- # Supply the rpath to the installed library via LDFLAGS
+- # (as systems like buildroot and guix are wont to do)
+- # and verify install preserves that rpath.
+- env = {'LDFLAGS': '-Wl,-rpath=' + yonder_libdir,
+- 'PKG_CONFIG_PATH': os.path.join(yonder_libdir, 'pkgconfig')}
+- self.init(testdir, override_envvars=env)
+- self.build()
+- self.install(use_destdir=False)
+- got_rpath = get_rpath(os.path.join(yonder_prefix, 'bin/rpathified'))
+- self.assertEqual(got_rpath, yonder_libdir)
++ # Since rpath has multiple valid formats we need to
++ # test that they are all properly used.
++ rpath_formats = [
++ ('-Wl,-rpath=', False),
++ ('-Wl,-rpath,', False),
++ ('-Wl,--just-symbols=', True),
++ ('-Wl,--just-symbols,', True),
++ ('-Wl,-R', False),
++ ('-Wl,-R,', False)
++ ]
++ for rpath_format, exception in rpath_formats:
++ # Build an app that uses that installed library.
++ # Supply the rpath to the installed library via LDFLAGS
++ # (as systems like buildroot and guix are wont to do)
++ # and verify install preserves that rpath.
++ self.new_builddir()
++ env = {'LDFLAGS': rpath_format + yonder_libdir,
++ 'PKG_CONFIG_PATH': os.path.join(yonder_libdir, 'pkgconfig')}
++ if exception:
++ with self.assertRaises(subprocess.CalledProcessError):
++ self.init(testdir, override_envvars=env)
++ break
++ self.init(testdir, override_envvars=env)
++ self.build()
++ self.install(use_destdir=False)
++ got_rpath = get_rpath(os.path.join(yonder_prefix, 'bin/rpathified'))
++ self.assertEqual(got_rpath, yonder_libdir, rpath_format)
+
+ @skip_if_not_base_option('b_sanitize')
+ def test_pch_with_address_sanitizer(self):