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Nico Weber 7f776ffee2 gn build: Unbreak finding a working gn on $PATH on Unix after r355645
From the Python subprocess docs:

   If shell is True, it is recommended to pass args as a string rather than as
   a sequence.

   [...]

   If args is a sequence, the first item specifies the command string, and any
   additional items will be treated as additional arguments to the shell itself.

Prior to this change, the `--version` would be passed to the shell, not to
a potential gn binary on $PATH, and running `gn` without any arguments makes
it exit with an exit code != 0, so the script would think that there wasn't
a working gn binary on $PATH.

Fix this by following the documentation's recommendation of using a string
now that we pass shell=True. I tested this on macOS and Windows, each with
the three cases of

- no gn on PATH (should run gn downloaded by get.py if present,
  else suggest running get.py)
- broken gn wrapper on PATH (should behave like the previous item)
- working gn on PATH (should use gn on PATH)

llvm-svn: 355694
2019-03-08 13:01:58 +00:00
benchmarks Pull google/benchmark library to the LLVM tree 2018-08-28 09:42:41 +00:00
bindings [bindings/go] Fix building on 32-bit systems (ARM etc.) 2019-02-16 22:33:10 +00:00
cmake Add secondary libstdc++ 4.8 and 5.1 detection mechanisms 2019-03-07 21:28:33 +00:00
docs [IR][ARM] Add function pointer alignment to datalayout 2019-03-08 10:44:06 +00:00
examples [Kaleidoscope] Fix symbol resolver to search in reverse order. 2019-02-21 16:53:04 +00:00
include [IR][ARM] Add function pointer alignment to datalayout 2019-03-08 10:44:06 +00:00
lib [DAGCombine] Merge visitSMULO+visitUMULO into visitMULO. NFCI. 2019-03-08 11:41:18 +00:00
projects Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
resources
runtimes [runtimes] Move libunwind, libc++abi and libc++ to lib/ and include/ 2019-03-08 05:35:22 +00:00
test [SelectionDAG] Allow the user to specify a memeq function. 2019-03-08 09:07:45 +00:00
tools [llvm-mca] Emit a message when no bottlenecks are identified. 2019-03-07 19:34:44 +00:00
unittests [IR][ARM] Add function pointer alignment to datalayout 2019-03-08 10:44:06 +00:00
utils gn build: Unbreak finding a working gn on $PATH on Unix after r355645 2019-03-08 13:01:58 +00:00
.arcconfig [llvm] Set up .arcconfig to point to Diffusion L repository 2018-01-12 15:37:41 +00:00
.clang-format
.clang-tidy Disable tidy checks with too many hits 2019-02-01 11:20:13 +00:00
.gitattributes [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
.gitignore [clangd] Store index in '.clangd/index' instead of '.clangd-index' 2019-02-20 19:08:06 +00:00
CMakeLists.txt [PGO] Context sensitive PGO (part 4) 2019-03-06 19:31:37 +00:00
CODE_OWNERS.TXT [llvm-mca] Move llvm-mca library to llvm/lib/MCA. 2018-12-17 08:08:31 +00:00
configure
CREDITS.TXT [NFC] Add to contributor list. 2019-02-26 05:46:45 +00:00
LICENSE.TXT Fix typos throughout the license files that somehow I and my reviewers 2019-01-21 09:52:34 +00:00
llvm.spec.in Update structured references to the license to the new license. 2019-01-19 11:30:51 +00:00
LLVMBuild.txt Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
README.txt Testing commit access 2019-02-19 20:38:51 +00:00
RELEASE_TESTERS.TXT Update the list of platforms & archs 2018-12-16 14:47:16 +00:00

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