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ICU 59 already requires C++11 by default. The minimum version required by the core is 50, which is compiled with at least C++11 in many distros as package defs tell. Headers for ICU versions between ICU 50 and 58 look fine when included for C++11 compilation, the linking is thereof not affected. The macro PHP_CXX_COMPILE_STDCXX is based on https://www.gnu.org/software/autoconf-archive/ax_cxx_compile_stdcxx.html The patch consists on allowing to read the corresponding switch in a user defined variable instead of enforcing CXXFLAGS globally. That way, every ext or SAPI can decide, which C++ standard is to be used. The documentation is provided in the m4 file. C++11 is already somewhat older standard, C++14 were better. However issues with GCC < 5.0 and some other compilers are possibly to hit back. Still there's some time to check for C++14 for ext/intl, too. Having said that, C++11 in ext/intl and a mechanism to determine features is a good step towards better C++ support. |
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| .. | ||
| ax_check_compile_flag.m4 | ||
| ax_gcc_func_attribute.m4 | ||
| build2.mk | ||
| build.mk | ||
| buildcheck.sh | ||
| config-stubs | ||
| genif.sh | ||
| libtool.m4 | ||
| mkdep.awk | ||
| order_by_dep.awk | ||
| php_cxx_compile_stdcxx.m4 | ||
| print_include.awk | ||
| scan_makefile_in.awk | ||
| shtool | ||