dovecot - Jan 2022 - Dovecot installation problem (libssl_iostream_openssl.so is not portable!)

Hi there,

i try to install dovecot from source with the following configuration:
> ./configure --prefix=/test/core/dovecot
--with-ssldir=/test/core/dovecot/tls
the configuration runs fine with the following output at the end:
> Install prefix . : /test/core/dovecot
> File offsets ... : 64bit
> I/O polling .... : epoll
> I/O notifys .... : inotify
> SSL ............ : yes (OpenSSL)
> GSSAPI ......... : no
> passdbs ........ : static passwd passwd-file shadow checkpassword
> : -pam -bsdauth -ldap -sql
> userdbs ........ : static prefetch passwd passwd-file checkpassword
> : -ldap -sql
> CFLAGS ......... : -std=gnu99 -g -O2 -fstack-protector-strong
-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -mfunction-return=keep
-mindirect-branch=keep -Wall -W -Wmissing-prototypes -Wmissing-declarations
-Wpointer-arith -Wchar-subscripts -Wformat=2 -Wbad-function-cast
-fno-builtin-strftime -Wstrict-aliasing=2 -I/test/dep/openssl/include
> SYSTEMD ........ : notify - /lib/systemd/system/dovecot.service
> SQL drivers .... :
> : -pgsql -mysql -sqlite -cassandra
> Full text search : squat
> : -lucene -solr
But when i start to build (make) after a while i get the following error:
> *** Warning: Linking the executable test-iostream-ssl against the loadable
module
> *** libssl_iostream_openssl.so is not portable!
> libtool: link: gcc -std=gnu99 -g -O2 -fstack-protector-strong
-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -mfunction-return=keep
-mindirect-branch=keep -Wall -W -Wmissing-prototypes -Wmissing-declarations
-Wpointer-arith -Wchar-subscripts -Wformat=2 -Wbad-function-cast
-fno-builtin-strftime -Wstrict-aliasing=2 -I/test/dep/openssl/include -o
.libs/test-iostream-ssl test-iostream-ssl.o ./.libs/libssl_iostream_openssl.so
./.libs/libssl_iostream.a ../lib-test/.libs/libtest.a ../lib/.libs/liblib.a
-L/test/dep/openssl/lib64 -lssl -lcrypto -ldl -Wl,-rpath
-Wl,/test/core/dovecot/lib/dovecot
> /usr/bin/ld: ./.libs/libssl_iostream_openssl.so: undefined reference to
`ERR_free_strings'
> /usr/bin/ld: ./.libs/libssl_iostream_openssl.so: undefined reference to
`ENGINE_cleanup'
> /usr/bin/ld: ./.libs/libssl_iostream_openssl.so: undefined reference to
`SSL_library_init'
> /usr/bin/ld: ./.libs/libssl_iostream_openssl.so: undefined reference to
`OBJ_cleanup'
> /usr/bin/ld: ./.libs/libssl_iostream_openssl.so: undefined reference to
`CRYPTO_cleanup_all_ex_data'
> /usr/bin/ld: ./.libs/libssl_iostream_openssl.so: undefined reference to
`OpenSSL_add_all_algorithms'
> /usr/bin/ld: ./.libs/libssl_iostream_openssl.so: undefined reference to
`SSL_CTX_set_tmp_rsa_callback'
> /usr/bin/ld: ./.libs/libssl_iostream_openssl.so: undefined reference to
`EVP_cleanup'
> /usr/bin/ld: ./.libs/libssl_iostream_openssl.so: undefined reference to
`SSL_load_error_strings'
> /usr/bin/ld: ./.libs/libssl_iostream_openssl.so: undefined reference to
`SSL_CTX_need_tmp_RSA'
> collect2: error: ld returned 1 exit status
> make[3]: *** [Makefile:655: test-iostream-ssl] Error 1
> make[3]: Leaving directory
'/test/tmp/dovecot-2.3.17.1/src/lib-ssl-iostream'
> make[2]: *** [Makefile:573: all-recursive] Error 1
> make[2]: Leaving directory '/test/tmp/dovecot-2.3.17.1/src'
> make[1]: *** [Makefile:702: all-recursive] Error 1
> make[1]: Leaving directory '/test/tmp/dovecot-2.3.17.1'
> make: *** [Makefile:546: all] Error 2
I've searched for the error and find some posts about set explicitly
CPPFLAGS and LDFLAGS
and something about missing shared libraries of openssl.

My openssl have shared libraries (libcrypto.so libssl.so ...) and the explicit
use of CPPFLAGS and LDFLAGS to my openssl hasn't changed anything

I use Openssl 3.0 but i've tested also 1.1.1m and 1.1.1g for example, same
error!
Dovecot is the latest 2.3.17.1

Can anyone help me with this please?
Thanks!
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