In openSUSE:Factory:Staging:Gcc6 snapper fails to build with

[  127s] /bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I.
-I..  -I/usr/include/libxml2 -DCONFDIR='"/etc/sysconfig"'
-D_FILE_OFFSET_BITS=64 -fmessage-length=0 -grecord-gcc-switches -O2 -Wall
-D_FORTIFY_SOURCE=2 -fstack-protector -funwind-tables
-fasynchronous-unwind-tables -Wno-error=misleading-indentation
-Wno-error=narrowing -Wno-error=nonnull -Wno-error=unused-const-variable -g
-DNDEBUG -std=c++0x -Wall -Wextra -Wformat=2 -Wnon-virtual-dtor
-Wno-unused-parameter -MT BtrfsUtils.lo -MD -MP -MF .deps/BtrfsUtils.Tpo -c -o
BtrfsUtils.lo BtrfsUtils.cc
[  127s] libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -I/usr/include/libxml2
-DCONFDIR=\"/etc/sysconfig\" -D_FILE_OFFSET_BITS=64 -fmessage-length=0
-grecord-gcc-switches -O2 -Wall -D_FORTIFY_SOURCE=2 -fstack-protector
-funwind-tables -fasynchronous-unwind-tables -Wno-error=misleading-indentation
-Wno-error=narrowing -Wno-error=nonnull -Wno-error=unused-const-variable -g
-DNDEBUG -std=c++0x -Wall -Wextra -Wformat=2 -Wnon-virtual-dtor
-Wno-unused-parameter -MT BtrfsUtils.lo -MD -MP -MF .deps/BtrfsUtils.Tpo -c
BtrfsUtils.cc  -fPIC -DPIC -o .libs/BtrfsUtils.o
[  127s] In file included from /usr/include/c++/6/bits/char_traits.h:39:0,
[  127s]                  from /usr/include/c++/6/ios:40,
[  127s]                  from /usr/include/c++/6/istream:38,
[  127s]                  from /usr/include/c++/6/sstream:38,
[  127s]                  from ../snapper/Log.h:26,
[  127s]                  from BtrfsUtils.cc:38:
[  127s] /usr/include/c++/6/bits/stl_algobase.h:243:56: error: macro "min"
passed 3 arguments, but takes just 2
[  127s]      min(const _Tp& __a, const _Tp& __b, _Compare __comp)
[  127s]                                                         ^
[  127s] /usr/include/c++/6/bits/stl_algobase.h:265:56: error: macro "max"
passed 3 arguments, but takes just 2
[  127s]      max(const _Tp& __a, const _Tp& __b, _Compare __comp)
[  127s]                                                         ^
[  127s] In file included from /usr/include/c++/6/chrono:40:0,
[  127s]                  from ../snapper/AppUtil.h:37,
[  127s]                  from BtrfsUtils.cc:39:
[  127s] /usr/include/c++/6/limits:320:11: error: macro "min" requires 2
arguments, but only 1 given
[  127s]        min() _GLIBCXX_USE_NOEXCEPT { return _Tp(); }
[  127s]            ^
[  127s] /usr/include/c++/6/limits:324:11: error: macro "max" requires 2
arguments, but only 1 given
[  127s]        max() _GLIBCXX_USE_NOEXCEPT { return _Tp(); }
[  127s]            ^
[  127s] /usr/include/c++/6/limits:387:11: error: macro "min" requires 2
arguments, but only 1 given
[  127s]        min() _GLIBCXX_USE_NOEXCEPT { return false; }
[  127s]            ^
[  127s] /usr/include/c++/6/limits:390:11: error: macro "max" requires 2
arguments, but only 1 given
[  127s]        max() _GLIBCXX_USE_NOEXCEPT { return true; }
[  127s]            ^
[  127s] /usr/include/c++/6/limits:394:38: error: macro "min" requires 2
arguments, but only 1 given
[  127s]        lowest() noexcept { return min(); }
[  127s]                                       ^

...


I supect either it doesn't cope with the now default -std=gnu++14 or with
the glibc update active in that repository.