Ticket #47507: Portfile-nghttp2.diff

Portfile

@@ -43 +43 @@
                     OPENSSL_CFLAGS=-I${prefix}/include/openssl \
                     OPENSSL_LIBS="-L${prefix}/lib -lcrypto -lssl" \
                     PYTHON_EXTRA_LDFLAGS="-u _PyMac_Error ${prefix}/Library/Frameworks/Python.framework/Versions/2.7/Python"
+
+# A compiler supporting C++11 is required to build nghttp2 >= 0.7.12.
+# The newer, the merrier.
+# Compilers supporting C++11 are GCC >= 4.6 and clang >= 3.3.
+# As we only support libc++, clang is required by implicitly.
+# Blacklist all GCC compilers to not accidentally pull in libstdc++.
+# We do not know what "cc" is, so blacklist it as well.
+compiler.blacklist-append   {*gcc*} {clang < 500} macports-clang-2.* \
+                            {macports-clang-3.[0-2]} cc
+
+platform darwin {
+    pre-configure {
+        if {${configure.cxx_stdlib} eq "libstdc++"} {
+            ui_error "This port does not support your selected MacPorts C++ runtime. libc++ must be selected and C++-based ports built against this."
+            error "libstdc++ unsupported."
+        }
+    }
+}