Compiled failed when g++ try to compile dh.cc

[touchinglie]

Env: debian 13 with gcc/g++ make build-essential libssl-dev

After entering the make -C src, the tty showed:

make: Entering directory '/root/willbeinstall/crash/src'
g++ -Wall -O2 -std=c++11 -pedantic -I/include -DTITLE=""[kthreadd]"" -DNO_DTLS_LISTEN -DHAVE_UNIX98 -D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=600 -c server.cc
g++ -Wall -O2 -std=c++11 -pedantic -I/include -DTITLE=""[kthreadd]"" -DNO_DTLS_LISTEN -DHAVE_UNIX98 -D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=600 -c session.cc
g++ -Wall -O2 -std=c++11 -pedantic -I/include -DTITLE=""[kthreadd]"" -DNO_DTLS_LISTEN -DHAVE_UNIX98 -D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=600 -c ssession.cc
g++ -Wall -O2 -std=c++11 -pedantic -I/include -DTITLE=""[kthreadd]"" -DNO_DTLS_LISTEN -DHAVE_UNIX98 -D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=600 -c net.cc
g++ -Wall -O2 -std=c++11 -pedantic -I/include -DTITLE=""[kthreadd]"" -DNO_DTLS_LISTEN -DHAVE_UNIX98 -D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=600 -c misc.cc
g++ -Wall -O2 -std=c++11 -pedantic -I/include -DTITLE=""[kthreadd]"" -DNO_DTLS_LISTEN -DHAVE_UNIX98 -D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=600 -c crashd.cc
g++ -Wall -O2 -std=c++11 -pedantic -I/include -DTITLE=""[kthreadd]"" -DNO_DTLS_LISTEN -DHAVE_UNIX98 -D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=600 -c config.cc
g++ -Wall -O2 -std=c++11 -pedantic -I/include -DTITLE=""[kthreadd]"" -DNO_DTLS_LISTEN -DHAVE_UNIX98 -D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=600 -c pty.cc
g++ -Wall -O2 -std=c++11 -pedantic -I/include -DTITLE=""[kthreadd]"" -DNO_DTLS_LISTEN -DHAVE_UNIX98 -D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=600 -c pty98.cc
g++ -Wall -O2 -std=c++11 -pedantic -I/include -DTITLE=""[kthreadd]"" -DNO_DTLS_LISTEN -DHAVE_UNIX98 -D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=600 -c global.cc
g++ -Wall -O2 -std=c++11 -pedantic -I/include -DTITLE=""[kthreadd]"" -DNO_DTLS_LISTEN -DHAVE_UNIX98 -D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=600 -c log.cc
g++ -Wall -O2 -std=c++11 -pedantic -I/include -DTITLE=""[kthreadd]"" -DNO_DTLS_LISTEN -DHAVE_UNIX98 -D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=600 -c dh.cc
dh.cc: In function ‘int crash::enable_dh(SSL_CTX*)’:
dh.cc:63:33: error: ‘pem_dh’ was not declared in this scope
63 | BIO_new_mem_buf(pem_dh.c_str(), pem_dh.size()),
| ^~~~~~
dh.cc:65:9: error: no matching function for call to ‘std::unique_ptr<bio_st, int ()(bio_st)>::unique_ptr()’
65 | };
| ^
In file included from /usr/include/c++/14/memory:78,
from dh.cc:33:
/usr/include/c++/14/bits/unique_ptr.h:385:9: note: candidate: ‘template<class _Up, class> std::unique_ptr<_Tp, _Dp>::unique_ptr(std::auto_ptr<_Up>&&) [with = _Up; _Tp = bio_st; _Dp = int ()(bio_st)]’
385 | unique_ptr(auto_ptr<_Up>&& __u) noexcept;
| ^~~~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:385:9: note: candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/unique_ptr.h:374:9: note: candidate: ‘template<class _Up, class _Ep, class> std::unique_ptr<_Tp, _Dp>::unique_ptr(std::unique_ptr<_Up, _Ep>&&) [with _Ep = _Up; = _Ep; _Tp = bio_st; _Dp = int ()(bio_st)]’
374 | unique_ptr(unique_ptr<_Up, _Ep>&& __u) noexcept
| ^~~~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:374:9: note: candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/unique_ptr.h:353:19: note: candidate: ‘template<class _Del, class> constexpr std::unique_ptr<_Tp, _Dp>::unique_ptr(std::nullptr_t) [with = _Del; _Tp = bio_st; _Dp = int ()(bio_st)]’
353 | constexpr unique_ptr(nullptr_t) noexcept
| ^~~~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:353:19: note: candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/unique_ptr.h:347:9: note: candidate: ‘template<class _Del, class _DelUnref> std::unique_ptr<_Tp, _Dp>::unique_ptr(pointer, std::__enable_if_t<((bool)std::is_lvalue_reference<_Del>::value), _DelUnref&&>) [with _DelUnref = _Del; _Tp = bio_st; _Dp = int ()(bio_st)]’ (deleted)
347 | unique_ptr(pointer,
| ^~~~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:347:9: note: template argument deduction/substitution failed:
/usr/include/c++/14/bits/unique_ptr.h:338:9: note: candidate: ‘template<class _Del, class> std::unique_ptr<_Tp, _Dp>::unique_ptr(pointer, std::__enable_if_t<((bool)(! std::is_lvalue_reference<_Del>::value)), _Del&&>) [with = _Del; _Tp = bio_st; _Dp = int ()(bio_st)]’
338 | unique_ptr(pointer __p,
| ^~~~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:338:9: note: template argument deduction/substitution failed:
/usr/include/c++/14/bits/unique_ptr.h:325:9: note: candidate: ‘template<class _Del, class> std::unique_ptr<_Tp, _Dp>::unique_ptr(pointer, const deleter_type&) [with = _Del; _Tp = bio_st; _Dp = int ()(bio_st)]’
325 | unique_ptr(pointer __p, const deleter_type& __d) noexcept
| ^~~~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:325:9: note: template argument deduction/substitution failed:
/usr/include/c++/14/bits/unique_ptr.h:311:9: note: candidate: ‘template<class _Del, class> std::unique_ptr<_Tp, _Dp>::unique_ptr(pointer) [with = _Del; _Tp = bio_st; _Dp = int ()(bio_st)]’
311 | unique_ptr(pointer __p) noexcept
| ^~~~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:311:9: note: candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/unique_ptr.h:298:19: note: candidate: ‘template<class _Del, class> constexpr std::unique_ptr<_Tp, _Dp>::unique_ptr() [with = _Del; _Tp = bio_st; _Dp = int ()(bio_st)]’
298 | constexpr unique_ptr() noexcept
| ^~~~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:298:19: note: candidate expects 0 arguments, 2 provided
/usr/include/c++/14/bits/unique_ptr.h:360:7: note: candidate: ‘std::unique_ptr<_Tp, _Dp>::unique_ptr(std::unique_ptr<_Tp, _Dp>&&) [with _Tp = bio_st; _Dp = int ()(bio_st)]’
360 | unique_ptr(unique_ptr&&) = default;
| ^~~~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:360:7: note: candidate expects 1 argument, 2 provided
make: *** [Makefile:155: dh.o] Error 1

It seems like the functions' scope problem.

[touchinglie]

I check the module which is existed in code, should I add a quote of openssl dhparam module before the code where caused the error?