[MacPorts] #68148: libgit2 @1.7.1: builds fail with xcode clang 6 and earlier: error: unknown type name 'inline'

[MacPorts]

#68148: libgit2 @1.7.1: builds fail with xcode clang 6 and earlier: error: unknown
type name 'inline'
----------------------+----------------------
  Reporter:  mascguy  |      Owner:  mascguy
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.8.1
Resolution:           |   Keywords:
      Port:  libgit2  |
----------------------+----------------------
Description changed by mascguy:

Old description:

> Despite the project setting the C standard to 90 - which should (?) be
> sufficient - builds are failing due to keyword 'inline':
>
> {{{
> In file included from
> .../libgit2/work/libgit2-1.7.1/src/util/unix/posix.h:13:
> /opt/local/include/LegacySupport/dirent.h:60:8: error: unknown type name
> 'inline'
> static inline struct dirent *__mpls_readdir(DIR *dir) {
>        ^
> }}}
>
> More frustratingly, `libgit2-devel` was updated to to this version three
> weeks ago, and it built successfully across-the-board. (Including 10.5,
> based on local testing.) So it's not clear what else has changed in that
> short time.
>
> For now, the quick-and-easy approach is to blacklist Xcode Clang 6 and
> earlier. But this ticket will remain open, to track further discussion
> and investigation.

New description:

 Despite the project setting the C standard to 90 - which should (?) be
 sufficient - builds are failing due to keyword 'inline':

 {{{
 In file included from
 .../libgit2/work/libgit2-1.7.1/src/util/unix/posix.h:13:
 /opt/local/include/LegacySupport/dirent.h:60:8: error: unknown type name
 'inline'
 static inline struct dirent *__mpls_readdir(DIR *dir) {
        ^
 }}}

 More frustratingly, `libgit2-devel` was updated to to this version three
 weeks ago, and it built successfully across-the-board. (Including 10.5,
 based on local testing.) So it's not clear what else has changed in that
 short time.

--

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Ticket URL: <https://trac.macports.org/ticket/68148#comment:1>
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