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Elias Naur 7a2a96d6ad runtime/cgo: make sure nil is undefined before defining it
While working on standalone builds of gomobile bindings, I ran into
errors on the form:

gcc_darwin_arm.c:30:31: error: ambiguous expansion of macro 'nil' [-Werror,-Wambiguous-macro]
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS11.2.sdk/usr/include/MacTypes.h:94:15: note: expanding this definition of 'nil'

Fix it by undefining nil before defining it in libcgo.h.

Change-Id: I8e9660a68c6c351e592684d03d529f0d182c0493
Reviewed-on: https://go-review.googlesource.com/99215
Run-TryBot: Elias Naur <elias.naur@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-03-07 21:08:19 +00:00
.github github: update Pull Request template 2018-02-21 02:07:46 +00:00
api syscall: support Getwd on all BSDs 2018-02-13 15:41:19 +00:00
doc doc/faq: add a Q&A about virus scanners 2018-02-28 05:55:31 +00:00
lib/time all: use HTTPS for iana.org links 2018-02-13 18:36:48 +00:00
misc Revert "runtime: use bytes.IndexByte in findnull" 2018-03-01 22:22:51 +00:00
src runtime/cgo: make sure nil is undefined before defining it 2018-03-07 21:08:19 +00:00
test test/codegen: fix issue with arm64 memmove codegen test 2018-03-07 16:41:24 +00:00
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.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A+C: update my name and spelling 2018-02-21 04:12:57 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS A+C: update my name and spelling 2018-02-21 04:12:57 +00:00
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