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Bryan Call edited comment on TS-2095 at 5/29/14 5:05 PM: --------------------------------------------------------- >From config.log (running Fedora 20): When testing the preprocessor it doesn't use c++11: {code} configure:7971: checking unordered_map presence configure:7971: c++ -E conftest.cpp In file included from /usr/include/c++/4.8.2/unordered_map:35:0, from conftest.cpp:22: /usr/include/c++/4.8.2/bits/c++0x_warning.h:32:2: error: #error This file requires compiler and library support for the ISO C++ 2011 standard. This support is currently experimental, and must be enabled with the -std=c++11 or -std=gnu++11 compiler options. #error This file requires compiler and library support for the \ ... configure:7971: result: no {code} But does for the compiler: {code} configure:7971: checking unordered_set usability configure:7971: c++ -c -std=c++11 conftest.cpp >&5 configure:7971: $? = 0 configure:7971: result: yes {code} was (Author: bcall): >From config.log: When testing the preprocessor it doesn't use c++11: {code} configure:7971: checking unordered_map presence configure:7971: c++ -E conftest.cpp In file included from /usr/include/c++/4.8.2/unordered_map:35:0, from conftest.cpp:22: /usr/include/c++/4.8.2/bits/c++0x_warning.h:32:2: error: #error This file requires compiler and library support for the ISO C++ 2011 standard. This support is currently experimental, and must be enabled with the -std=c++11 or -std=gnu++11 compiler options. #error This file requires compiler and library support for the \ ... configure:7971: result: no {code} But does for the compiler: {code} configure:7971: checking unordered_set usability configure:7971: c++ -c -std=c++11 conftest.cpp >&5 configure:7971: $? = 0 configure:7971: result: yes {code} > autoconf warnings related to unordered_map > ------------------------------------------ > > Key: TS-2095 > URL: https://issues.apache.org/jira/browse/TS-2095 > Project: Traffic Server > Issue Type: Bug > Components: Build > Reporter: Leif Hedstrom > Assignee: Bryan Call > Fix For: 5.0.0 > > > {code} > configure: WARNING: unordered_map: accepted by the compiler, rejected by the > preprocessor! > configure: WARNING: unordered_map: proceeding with the compiler's result > checking for unordered_map... yes > checking unordered_set usability... yes > checking unordered_set presence... no > configure: WARNING: unordered_set: accepted by the compiler, rejected by the > preprocessor! > configure: WARNING: unordered_set: proceeding with the compiler's result > {code} -- This message was sent by Atlassian JIRA (v6.2#6252)