[macports-ports] branch master updated (24f3c22c3ed -> f104cd43fd7)

[Renee Otten]

Renee Otten (reneeotten) pushed a change to branch master
in repository macports-ports.

    from 24f3c22c3ed py-m2crypto: fix build error
     new 8cc6345daa2 gdal: enable build with libxml2 version 2.12
     new 6588eacf5d1 gdal: fix build failure on missing std::shared_mutex
     new f104cd43fd7 gdal: set CXX standard to 2017 for macOS 10.12+

The 3 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.


Summary of changes:
 gis/gdal/Portfile                              | 12 +++++-
 gis/gdal/files/patch-build-for-libxml2-12.diff | 32 ++++++++++++++++
 gis/gdal/files/patch-have_shared_mutex.diff    | 51 ++++++++++++++++++++++++++
 3 files changed, 94 insertions(+), 1 deletion(-)
 create mode 100644 gis/gdal/files/patch-build-for-libxml2-12.diff
 create mode 100644 gis/gdal/files/patch-have_shared_mutex.diff