[patch] libstdc++/67173 Fix filesystem::canonical for Solaris 10.

[Jonathan Wakely]

On 16/09/15 23:50 +0100, Jonathan Wakely wrote:
>On 16/09/15 19:58 +0100, Jonathan Wakely wrote:
>>commit ef25038796485298ff8f040bc79e0d9a371171fa
>>Author: Jonathan Wakely <jwakely@redhat.com>
>>Date:   Wed Sep 16 18:07:32 2015 +0100
>>
>>   Implement filesystem::canonical() without realpath
>>   	PR libstdc++/67173
>>   	* acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check _XOPEN_VERSION
>>   	and PATH_MAX for _GLIBCXX_USE_REALPATH.
>>   	* config.h.in: Regenerate.
>>   	* configure: Regenerate.
>>   	* src/filesystem/ops.cc: (canonical) [!_GLIBCXX_USE_REALPATH]: Add
>>   	alternative implementation.
>>   	* testsuite/experimental/filesystem/operations/canonical.cc: New.
>>   	* testsuite/experimental/filesystem/operations/exists.cc: Add more
>>   	tests.
>>   	* testsuite/experimental/filesystem/operations/absolute.cc: Add test
>>   	variables.
>>   	* testsuite/experimental/filesystem/operations/copy.cc: Likewise.
>>   	* testsuite/experimental/filesystem/operations/current_path.cc:
>>   	Likewise.
>>   	* testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
>>   	* testsuite/experimental/filesystem/operations/status.cc: Likewise.
>>   	* testsuite/experimental/filesystem/operations/temp_directory_path.cc:
>>   	Likewise.
>
>Committed to trunk.
>

I'm removing part of the new canonical.cc test as it fails
occasionally with:

terminate called after throwing an instance of 'std::experimental::filesystem::v1::__cxx11::filesystem_error'
  what():  filesystem error: cannot canonicalize: No such file or directory [/dev/stdin]
FAIL: experimental/filesystem/operations/canonical.cc execution test

This is odd, as I check with exists() before calling canonical(), but
rather than try to understand what is happening I'm just going to
remove that part.

Committed to trunk.


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