[MacPorts] #57682: nghttp2: Requires C++14

[MacPorts]

#57682: nghttp2: Requires C++14
------------------------+-------------------------
 Reporter:  ryandesign  |      Owner:  Schamschula
     Type:  defect      |     Status:  assigned
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:
 Keywords:              |       Port:  nghttp2
------------------------+-------------------------
 [https://build.macports.org/builders/ports-10.9_x86_64-builder/builds/74611/steps
 /install-port/logs/stdio nghttp2 fails to build on 10.9]:

 {{{
 checking whether /usr/bin/clang++ supports C++14 features with
 -std=c++14... no
 checking whether /usr/bin/clang++ supports C++14 features with
 +std=c++14... no
 checking whether /usr/bin/clang++ supports C++14 features with -h
 std=c++14... no
 checking whether /usr/bin/clang++ supports C++14 features with
 -std=c++1y... no
 checking whether /usr/bin/clang++ supports C++14 features with
 +std=c++1y... no
 checking whether /usr/bin/clang++ supports C++14 features with -h
 std=c++1y... no
 configure: No compiler with C++14 support was found
 }}}
 {{{
 ./template.h:45:16: warning: variable templates are a C++1y extension [-Wc
 ++1y-extensions]
 }}}

 nghttp2 already includes the cxx11 1.1 portgroup, but since it requires
 C++14, it should additionally use:

 {{{
 PortGroup compiler_blacklist_versions 1.0

 # Requires C++14
 compiler.blacklist-append {clang < 602}
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/57682>
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