[SFLphone] Build error on OpenSUSE Build System (OBS) - undefined references to SSL symbols

[René Krell]

I'm trying to integrate sflphone 0.9.7 to the OpenSUSE Build System, but I get the following build error:
---
Making all in test
make[2]: Entering directory `/usr/src/packages/BUILD/sflphone-0.9.7/sflphone-common/test'
CXX numbercleanerTest.o
CXX TestMain.o
CXXLD numbercleanerTester
/usr/src/packages/BUILD/sflphone-0.9.7/sflphone-common/libs/pjproject/pjsip/lib/libpjsip-sfl-x86_64-suse-linux-gnu.a(sip_transport_tls_ossl.o): In function `lis_destroy':
sip_transport_tls_ossl.c:(.text+0x2f3): undefined reference to `SSL_CTX_free'
/usr/src/packages/BUILD/sflphone-0.9.7/sflphone-common/libs/pjproject/pjsip/lib/libpjsip-sfl-x86_64-suse-linux-gnu.a(sip_transport_tls_ossl.o): In function `ssl_write_bytes':
sip_transport_tls_ossl.c:(.text+0x3e4): undefined reference to `SSL_write'
sip_transport_tls_ossl.c:(.text+0x3f5): undefined reference to `SSL_get_error'
/usr/src/packages/BUILD/sflphone-0.9.7/sflphone-common/libs/pjproject/pjsip/lib/libpjsip-sfl-x86_64-suse-linux-gnu.a(sip_transport_tls_ossl.o): In function `on_read_complete':
sip_transport_tls_ossl.c:(.text+0x9e1): undefined reference to `SSL_read'
sip_transport_tls_ossl.c:(.text+0x9f3): undefined reference to `SSL_get_error'
sip_transport_tls_ossl.c:(.text+0xaf7): undefined reference to `SSL_pending'
/usr/src/packages/BUILD/sflphone-0.9.7/sflphone-common/libs/pjproject/pjsip/lib/libpjsip-sfl-x86_64-suse-linux-gnu.a(sip_transport_tls_ossl.o): In function `tls_shutdown':
sip_transport_tls_ossl.c:(.text+0xcb0): undefined reference to `SSL_shutdown'
/usr/src/packages/BUILD/sflphone-0.9.7/sflphone-common/libs/pjproject/pjsip/lib/libpjsip-sfl-x86_64-suse-linux-gnu.a(sip_transport_tls_ossl.o): In function `tls_destroy':
sip_transport_tls_ossl.c:(.text+0x1021): undefined reference to `SSL_free'
/usr/src/packages/BUILD/sflphone-0.9.7/sflphone-common/libs/pjproject/pjsip/lib/libpjsip-sfl-x86_64-suse-linux-gnu.a(sip_transport_tls_ossl.o): In function `ssl_accept':
sip_transport_tls_ossl.c:(.text+0x1193): undefined reference to `SSL_state'
sip_transport_tls_ossl.c:(.text+0x11a4): undefined reference to `SSL_state'
sip_transport_tls_ossl.c:(.text+0x11e3): undefined reference to `SSL_accept'
sip_transport_tls_ossl.c:(.text+0x11f0): undefined reference to `SSL_get_error'
sip_transport_tls_ossl.c:(.text+0x1256): undefined reference to `SSL_want'
sip_transport_tls_ossl.c:(.text+0x1267): undefined reference to `SSL_want'
sip_transport_tls_ossl.c:(.text+0x12f3): undefined reference to `SSL_state'
sip_transport_tls_ossl.c:(.text+0x1394): undefined reference to `SSL_set_accept_state'
/usr/src/packages/BUILD/sflphone-0.9.7/sflphone-common/libs/pjproject/pjsip/lib/libpjsip-sfl-x86_64-suse-linux-gnu.a(sip_transport_tls_ossl.o): In function `tls_create':
sip_transport_tls_ossl.c:(.text+0x16b5): undefined reference to `SSL_new'
sip_transport_tls_ossl.c:(.text+0x16d0): undefined reference to `SSL_set_fd'
/usr/src/packages/BUILD/sflphone-0.9.7/sflphone-common/libs/pjproject/pjsip/lib/libpjsip-sfl-x86_64-suse-linux-gnu.a(sip_transport_tls_ossl.o): In function `ssl_connect':
sip_transport_tls_ossl.c:(.text+0x1ba6): undefined reference to `SSL_state'
sip_transport_tls_ossl.c:(.text+0x1bb7): undefined reference to `SSL_get_fd'
sip_transport_tls_ossl.c:(.text+0x1bc7): undefined reference to `SSL_state'
sip_transport_tls_ossl.c:(.text+0x1c79): undefined reference to `SSL_ctrl'
sip_transport_tls_ossl.c:(.text+0x1cba): undefined reference to `SSL_connect'
sip_transport_tls_ossl.c:(.text+0x1cc7): undefined reference to `SSL_get_error'
sip_transport_tls_ossl.c:(.text+0x1d04): undefined reference to `SSL_set_connect_state'
sip_transport_tls_ossl.c:(.text+0x1d82): undefined reference to `SSL_state'
sip_transport_tls_ossl.c:(.text+0x1db1): undefined reference to `SSL_want'
sip_transport_tls_ossl.c:(.text+0x1dc2): undefined reference to `SSL_want'
sip_transport_tls_ossl.c:(.text+0x1ed3): undefined reference to `SSL_set_fd'
/usr/src/packages/BUILD/sflphone-0.9.7/sflphone-common/libs/pjproject/pjsip/lib/libpjsip-sfl-x86_64-suse-linux-gnu.a(sip_transport_tls_ossl.o): In function `pjsip_tls_transport_start':
sip_transport_tls_ossl.c:(.text+0x2696): undefined reference to `TLSv1_method'
sip_transport_tls_ossl.c:(.text+0x269e): undefined reference to `SSL_CTX_new'
sip_transport_tls_ossl.c:(.text+0x26d5): undefined reference to `SSL_CTX_load_verify_locations'
sip_transport_tls_ossl.c:(.text+0x2712): undefined reference to `SSL_CTX_free'
sip_transport_tls_ossl.c:(.text+0x2821): undefined reference to `SSLv23_method'
sip_transport_tls_ossl.c:(.text+0x2869): undefined reference to `SSL_CTX_set_default_passwd_cb'
sip_transport_tls_ossl.c:(.text+0x2874): undefined reference to `SSL_CTX_set_default_passwd_cb_userdata'
sip_transport_tls_ossl.c:(.text+0x289d): undefined reference to `SSL_CTX_use_certificate_chain_file'
sip_transport_tls_ossl.c:(.text+0x28d6): undefined reference to `SSL_CTX_free'
sip_transport_tls_ossl.c:(.text+0x28e0): undefined reference to `SSLv2_method'
sip_transport_tls_ossl.c:(.text+0x2909): undefined reference to `SSLv3_method'
sip_transport_tls_ossl.c:(.text+0x2972): undefined reference to `SSL_CTX_use_PrivateKey_file'
sip_transport_tls_ossl.c:(.text+0x29af): undefined reference to `SSL_CTX_free'
sip_transport_tls_ossl.c:(.text+0x29d3): undefined reference to `SSL_library_init'
sip_transport_tls_ossl.c:(.text+0x29d8): undefined reference to `SSL_load_error_strings'
sip_transport_tls_ossl.c:(.text+0x2a5c): undefined reference to `SSL_CTX_set_verify'
sip_transport_tls_ossl.c:(.text+0x2aa2): undefined reference to `SSL_CTX_set_cipher_list'
sip_transport_tls_ossl.c:(.text+0x2adb): undefined reference to `SSL_CTX_free'
collect2: ld returned 1 exit status
make[2]: *** [numbercleanerTester] Error 1
make[2]: Leaving directory `/usr/src/packages/BUILD/sflphone-0.9.7/sflphone-common/test'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/usr/src/packages/BUILD/sflphone-0.9.7/sflphone-common'
make: *** [all] Error 2
---


In the RPM spec file I have the following build and installation dependencies
and instructions:
---
...
BuildRequires:	libpulse-devel
BuildRequires:	commoncpp2-devel
BuildRequires:	libccrtp-devel
BuildRequires:	libsamplerate-devel
BuildRequires:	dbus-1-devel
BuildRequires:	libexpat-devel
BuildRequires:	libgsm-devel
BuildRequires:	speex-devel
BuildRequires:	libcppunit-devel
BuildRequires:	alsa-devel
BuildRequires:	libuuid-devel
BuildRequires:	gcc-c++
BuildRequires:  update-desktop-files
BuildRequires:  libzrtpcpp-devel
BuildRequires:  libopenssl-devel
Requires:	libsamplerate
Requires:	libexpat1
Requires:	commoncpp2
Requires:	libgsm1
Requires:	libspeex
Requires:	dbus-1
Requires:	libasound2
Requires:	libpulse0
Requires:	libccrtp1
Requires:	libzrtpcpp
Requires:       libopenssl0_9_8
...
%build
cd sflphone-common
cd libs/pjproject
./autogen.sh
%configure
make dep
make clean
make
autoconf aconfigure.ac > aconfigure
cd -
./autogen.sh
%configure
make
...
---


What might be going wrong here?

Thanks,
René