[dnsdist] Fourth release candidate for dnsdist 1.5.0

[Stephane Bortzmeyer]

On Tue, Jul 07, 2020 at 04:41:00PM +0200,
 Remi Gacogne via dnsdist <dnsdist at mailman.powerdns.com> wrote 
 a message of 84 lines which said:

> While we expected the third release candidate for dnsdist 1.5.0 to be
> the last one, a race condition that could lead to a crash was discovered
> by Tomas Krizek from CZ.NIC with the DNS Shotgun tool, leading to a new
> release candidate.

Does not compile:

  CXX      doh.o
doh.cc: In function ‘void doh_dispatch_query(DOHServerConfig*, h2o_handler_t*, h2o_req_t*, std::string&&, const ComboAddress&, const ComboAddress&, std::string&&)’:
doh.cc:677:24: error: expected primary-expression before ‘=’ token
  677 |     const char * sni = = h2o_socket_get_ssl_server_name(sock);
      |                        ^
make[2]: *** [Makefile:1351: doh.o] Error 1
make[2]: Leaving directory '/home/stephane/DoH/dnsdist/dnsdist-1.5.0-rc4'
make[1]: *** [Makefile:1478: all-recursive] Error 1
make[1]: Leaving directory '/home/stephane/DoH/dnsdist/dnsdist-1.5.0-rc4'
make: *** [Makefile:1109: all] Error 2
nice make  689.79s user 101.42s system 95% cpu 13:48.71 total

I had no problem with all the 1.5.0rc* before.

Arch Linux, x86_64

% g++ -v
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-pc-linux-gnu/10.1.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /build/gcc/src/gcc/configure --prefix=/usr --libdir=/usr/lib --libexecdir=/usr/lib --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=https://bugs.archlinux.org/ --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++,d --with-isl --with-linker-hash-style=gnu --with-system-zlib --enable-__cxa_atexit --enable-cet=auto --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-default-ssp --enable-gnu-indirect-function --enable-gnu-unique-object --enable-install-libiberty --enable-linker-build-id --enable-lto --enable-multilib --enable-plugin --enable-shared --enable-threads=posix --disable-libssp --disable-libstdcxx-pch --disable-libunwind-exceptions --disable-werror gdc_include_dir=/usr/include/dlang/gdc
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 10.1.0 (GCC)