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Hi.
I am trying to compile your code on FreeBSD and have an issue in compilation the source code with -std=gnu++14
FreeBSD-Ports/maxscale/work/.build/maxutils/maxbase/src && /usr/bin/c++ -DOPENSSL_1_1 -Iwork/code/FreeBSD-Ports/maxscale/work/.build/connector-c/install/include/mariadb -Iwork/code/FreeBSD-Ports/maxscale/work/.build/pcre2 -Iwork/code/FreeBSD-Ports/maxscale/work/.build/libmicrohttpd/include -Iwork/code/FreeBSD-Ports/maxscale/work/.build/jwt-cpp-prefix/src/jwt-cpp/include -Iwork/code/FreeBSD-Ports/maxscale/work/.build/jansson/install/include -Iwork/code/FreeBSD-Ports/maxscale/work/.build/librdkafka/include -Iwork/code/FreeBSD-Ports/maxscale/work/MaxScale-22.08.1/include -Iwork/code/FreeBSD-Ports/maxscale/work/MaxScale-22.08.1/server/modules/include -Iwork/code/FreeBSD-Ports/maxscale/work/.build/include -I/usr/local/include -Iwork/code/FreeBSD-Ports/maxscale/work/MaxScale-22.08.1/maxutils/maxbase/include -Iwork/code/FreeBSD-Ports/maxscale/work/MaxScale-22.08.1/maxutils/maxsql/include -Iwork/code/FreeBSD-Ports/maxscale/work/MaxScale-22.08.1/maxutils/maxsimd/include -I/usr/local/include/libxml2 -pipe -g -fstack-protector-strong -fno-strict-aliasing -rdynamic -fno-omit-frame-pointer -Wall -Wno-unused-variable -Wno-unused-function -Wno-unused-result -fPIC -Wno-deprecated-declarations -Wsuggest-override -pipe -g -fstack-protector-strong -fno-strict-aliasing -ggdb -pthread -pipe -Wformat -fstack-protector --param=ssp-buffer-size=4 -DSS_DEBUG -DLOG_ASSERT -std=gnu++14 -MD -MT maxutils/maxbase/src/CMakeFiles/maxbase.dir/filesystem.cc.o -MF CMakeFiles/maxbase.dir/filesystem.cc.o.d -o CMakeFiles/maxbase.dir/filesystem.cc.o -c work/code/FreeBSD-Ports/maxscale/work/MaxScale-22.08.1/maxutils/maxbase/src/filesystem.cc
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c++: warning: argument unused during compilation: '-rdynamic' [-Wunused-command-line-argument]
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In file included from work/code/FreeBSD-Ports/maxscale/work/MaxScale-22.08.1/maxutils/maxbase/src/filesystem.cc:14:
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work/code/FreeBSD-Ports/maxscale/work/MaxScale-22.08.1/maxutils/maxbase/include/maxbase/filesystem.hh:35:83: warning: 'static_assert' with no message is a C++17 extension [-Wc++17-extensions]
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static_assert(sizeof(typename Container::iterator::value_type) == sizeof(char));
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^
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, ""
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work/code/FreeBSD-Ports/maxscale/work/MaxScale-22.08.1/maxutils/maxbase/src/filesystem.cc:29:14: error: no matching function for call to 'mkstemp'
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int fd = mkstemp(tmp.data());
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^~~~~~~
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/usr/include/stdlib.h:195:6: note: candidate function not viable: 1st argument ('const std::basic_string<char>::value_type *' (aka 'const char *')) would lose const qualifier
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int mkstemp(char *);
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^
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1 warning and 1 error generated.
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Here is issue with parameter -std=gnu++17
In version C++17 was removed std::ptr<> from standard
for this case I have patch
--- maxutils/maxbase/include/maxbase/string.hh.orig 2022-09-12 06:23:56 UTC
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+++ maxutils/maxbase/include/maxbase/string.hh
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@@ -123,7 +123,7 @@ inline void ltrim(std::string& s)
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s.erase(s.begin(),
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std::find_if(s.begin(),
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s.end(),
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- std::not1(std::ptr_fun<int, int>(std::isspace))));
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+ [](unsigned char c){ return !std::isspace(c);}));
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}
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/**
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@@ -135,7 +135,8 @@ inline void rtrim(std::string& s)
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{
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s.erase(std::find_if(s.rbegin(),
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s.rend(),
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- std::not1(std::ptr_fun<int, int>(std::isspace))).base(),
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+ [](unsigned char c){ return !std::isspace(c);}).base(),
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+ //std::not1(std::ptr_fun<int, int>(std::isspace))).base(),
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s.end());
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}
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[ 9%] Building CXX object maxutils/maxbase/src/CMakeFiles/maxbase.dir/filesystem.cc.o
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cd work/code/FreeBSD-Ports/maxscale/work/.build/maxutils/maxbase/src && /usr/bin/c++ -DOPENSSL_1_1 -Iwork/code/FreeBSD-Ports/maxscale/work/.build/connector-c/install/include/mariadb -Iwork/code/FreeBSD-Ports/maxscale/work/.build/pcre2 -Iwork/code/FreeBSD-Ports/maxscale/work/.build/libmicrohttpd/include -Iwork/code/FreeBSD-Ports/maxscale/work/.build/jwt-cpp-prefix/src/jwt-cpp/include -Iwork/code/FreeBSD-Ports/maxscale/work/.build/jansson/install/include -Iwork/code/FreeBSD-Ports/maxscale/work/.build/librdkafka/include -Iwork/code/FreeBSD-Ports/maxscale/work/MaxScale-22.08.1/include -Iwork/code/FreeBSD-Ports/maxscale/work/MaxScale-22.08.1/server/modules/include -Iwork/code/FreeBSD-Ports/maxscale/work/.build/include -I/usr/local/include -Iwork/code/FreeBSD-Ports/maxscale/work/MaxScale-22.08.1/maxutils/maxbase/include -Iwork/code/FreeBSD-Ports/maxscale/work/MaxScale-22.08.1/maxutils/maxsql/include -Iwork/code/FreeBSD-Ports/maxscale/work/MaxScale-22.08.1/maxutils/maxsimd/include -I/usr/local/include/libxml2 -pipe -g -fstack-protector-strong -fno-strict-aliasing -rdynamic -fno-omit-frame-pointer -Wall -Wno-unused-variable -Wno-unused-function -Wno-unused-result -fPIC -Wno-deprecated-declarations -Wsuggest-override -pipe -g -fstack-protector-strong -fno-strict-aliasing -ggdb -pthread -pipe -Wformat -fstack-protector --param=ssp-buffer-size=4 -DSS_DEBUG -DLOG_ASSERT -std=gnu++17 -MD -MT maxutils/maxbase/src/CMakeFiles/maxbase.dir/filesystem.cc.o -MF CMakeFiles/maxbase.dir/filesystem.cc.o.d -o CMakeFiles/maxbase.dir/filesystem.cc.o -c work/code/FreeBSD-Ports/maxscale/work/MaxScale-22.08.1/maxutils/maxbase/src/filesystem.cc
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c++: warning: argument unused during compilation: '-rdynamic' [-Wunused-command-line-argument]
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In file included from work/code/FreeBSD-Ports/maxscale/work/MaxScale-22.08.1/maxutils/maxbase/src/filesystem.cc:14:
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In file included from work/code/FreeBSD-Ports/maxscale/work/MaxScale-22.08.1/maxutils/maxbase/include/maxbase/filesystem.hh:18:
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work/code/FreeBSD-Ports/maxscale/work/MaxScale-22.08.1/maxutils/maxbase/include/maxbase/string.hh:126:41: error: no member named 'ptr_fun' in namespace 'std'
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std::not1(std::ptr_fun<int, int>(std::isspace))));
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~~~~~^
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work/code/FreeBSD-Ports/maxscale/work/MaxScale-22.08.1/maxutils/maxbase/include/maxbase/string.hh:126:52: error: expected '(' for function-style cast or type construction
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std::not1(std::ptr_fun<int, int>(std::isspace))));
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~~~^
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work/code/FreeBSD-Ports/maxscale/work/MaxScale-22.08.1/maxutils/maxbase/include/maxbase/string.hh:126:57: error: expected '(' for function-style cast or type construction
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std::not1(std::ptr_fun<int, int>(std::isspace))));
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~~~^
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work/code/FreeBSD-Ports/maxscale/work/MaxScale-22.08.1/maxutils/maxbase/include/maxbase/string.hh:138:41: error: no member named 'ptr_fun' in namespace 'std'
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std::not1(std::ptr_fun<int, int>(std::isspace))).base(),
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~~~~~^
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work/code/FreeBSD-Ports/maxscale/work/MaxScale-22.08.1/maxutils/maxbase/include/maxbase/string.hh:138:52: error: expected '(' for function-style cast or type construction
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std::not1(std::ptr_fun<int, int>(std::isspace))).base(),
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~~~^
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work/code/FreeBSD-Ports/maxscale/work/MaxScale-22.08.1/maxutils/maxbase/include/maxbase/string.hh:138:57: error: expected '(' for function-style cast or type construction
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std::not1(std::ptr_fun<int, int>(std::isspace))).base(),
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~~~^
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