Backport r60537: have order of CPPFLAGS and LDFLAGS be honored.
diff --git a/Misc/NEWS b/Misc/NEWS
index d83b9cf..5f28bd3 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -260,6 +260,9 @@
Build
-----
+- Have the search path for building extensions follow the declared order in
+ $CPPFLAGS and $LDFLAGS.
+
- Bug #1234: Fixed semaphore errors on AIX 5.2
- Bug #1699: Define _BSD_SOURCE only on OpenBSD.
diff --git a/setup.py b/setup.py
index 99ad7e3..22fc2b1 100644
--- a/setup.py
+++ b/setup.py
@@ -277,7 +277,7 @@
parser.add_option(arg_name, dest="dirs", action="append")
options = parser.parse_args(env_val.split())[0]
if options.dirs:
- for directory in options.dirs:
+ for directory in reversed(options.dirs):
add_dir_to_list(dir_list, directory)
if os.path.normpath(sys.prefix) != '/usr':