its missing -ldl somehow in that test.

try adding it yourself:

./configure CFLAGS="-I/opt/freeswitch/openssl101f/include" LDFLAGS="-ldl -L/opt/freeswitch/openssl101f/lib" --prefix=/opt/freeswitch --enable-sse




On Tue, Feb 4, 2014 at 3:31 PM, Tamas Jalsovszky <jalsot@gmail.com> wrote:
my config.log excerpt:
configure:23138: checking for openssl
configure:23142: result: yes
configure:23146: checking openssl_CFLAGS
configure:23149: result:
configure:23152: checking openssl_LIBS
configure:23155: result: -lssl -lcrypto
configure:23355: checking for SSL_CTX_set_tlsext_use_srtp in -lssl
configure:23380: gcc -o conftest -I/opt/freeswitch/openssl101f/include  -L/opt/freeswitch/openssl101f/l
ib conftest.c -lssl  -lssl -lcrypto   -ljpeg  >&5
configure:23380: $? = 0
configure:23389: result: yes
configure:23401: checking for DTLSv1_method in -lssl
configure:23426: gcc -o conftest -I/opt/freeswitch/openssl101f/include  -L/opt/freeswitch/openssl101f/l
ib conftest.c -lssl  -lssl -lcrypto   -ljpeg  >&5
/opt/freeswitch/openssl101f/lib/libcrypto.a(dso_dlfcn.o): In function `dlfcn_globallookup':
dso_dlfcn.c:(.text+0x21): undefined reference to `dlopen'
dso_dlfcn.c:(.text+0x34): undefined reference to `dlsym'
dso_dlfcn.c:(.text+0x3f): undefined reference to `dlclose'
/opt/freeswitch/openssl101f/lib/libcrypto.a(dso_dlfcn.o): In function `dlfcn_bind_func':
dso_dlfcn.c:(.text+0x374): undefined reference to `dlsym'
dso_dlfcn.c:(.text+0x432): undefined reference to `dlerror'
/opt/freeswitch/openssl101f/lib/libcrypto.a(dso_dlfcn.o): In function `dlfcn_bind_var':
dso_dlfcn.c:(.text+0x4a4): undefined reference to `dlsym'
dso_dlfcn.c:(.text+0x562): undefined reference to `dlerror'
/opt/freeswitch/openssl101f/lib/libcrypto.a(dso_dlfcn.o): In function `dlfcn_load':
dso_dlfcn.c:(.text+0x5d4): undefined reference to `dlopen'
dso_dlfcn.c:(.text+0x644): undefined reference to `dlclose'
dso_dlfcn.c:(.text+0x672): undefined reference to `dlerror'
/opt/freeswitch/openssl101f/lib/libcrypto.a(dso_dlfcn.o): In function `dlfcn_pathbyaddr':
dso_dlfcn.c:(.text+0x700): undefined reference to `dladdr'
dso_dlfcn.c:(.text+0x761): undefined reference to `dlerror'
/opt/freeswitch/openssl101f/lib/libcrypto.a(dso_dlfcn.o): In function `dlfcn_unload':
dso_dlfcn.c:(.text+0x7ca): undefined reference to `dlclose'
collect2: ld returned 1 exit status
configure:23426: $? = 1
configure: failed program was:
...


On Tue, Feb 4, 2014 at 10:16 PM, Tamas Jalsovszky <jalsot@gmail.com> wrote:
I tried without success with CFLAGS="-I/opt/freeswitch/openssl101f/include" LDFLAGS="-L/opt/freeswitch/openssl101f/lib" ./configure --prefix=/opt/freeswitch

$ ls /opt/freeswitch/openssl101f/include
openssl
$ ls /opt/freeswitch/openssl101f/include/openssl/
aes.h       cmac.h      dso.h     hmac.h      obj_mac.h      rand.h       ssl23.h      ui.h
asn1.h      cms.h       dtls1.h   idea.h      ocsp.h         rc2.h        ssl2.h       whrlpool.h
asn1_mac.h  comp.h      ebcdic.h  krb5_asn.h  opensslconf.h  rc4.h        ssl3.h       x509.h
asn1t.h     conf_api.h  ecdh.h    kssl.h      opensslv.h     ripemd.h     ssl.h        x509v3.h
bio.h       conf.h      ecdsa.h   lhash.h     ossl_typ.h     rsa.h        stack.h      x509_vfy.h
blowfish.h  crypto.h    ec.h      md4.h       pem2.h         safestack.h  symhacks.h
bn.h        des.h       engine.h  md5.h       pem.h          seed.h       tls1.h
buffer.h    des_old.h   e_os2.h   mdc2.h      pkcs12.h       sha.h        ts.h
camellia.h  dh.h        err.h     modes.h     pkcs7.h        srp.h        txt_db.h
cast.h      dsa.h       evp.h     objects.h   pqueue.h       srtp.h       ui_compat.h
$ ls /opt/freeswitch/openssl101f/lib
engines  libcrypto.a  libssl.a  pkgconfig

I guess, something is wrong in my environment, just don't know what.


On Tue, Feb 4, 2014 at 10:03 PM, Anthony Minessale <anthony.minessale@gmail.com> wrote:
Did you make sure those paths exist and have files in it?
I have been able to do it on several boxes so far.

you could try the the variables before the command too i guess 

CLFAGS="..." LDFLAGS="..." ./configure









On Tue, Feb 4, 2014 at 1:48 PM, Tamas Jalsovszky <jalsot@gmail.com> wrote:
I tried: ./configure CFLAGS="-I/opt/freeswitch/openssl101f/include" LDFLAGS="-L/opt/freeswitch/openssl101f/lib" --prefix=/opt/freeswitch --enable-sse
and: CFLAGS="-I/opt/freeswitch/openssl101f/include" LDFLAGS="-L/opt/freeswitch/openssl101f/lib" ./configure --prefix=/opt/freeswitch --enable-sse
with no success.


On Tue, Feb 4, 2014 at 8:20 PM, Anthony Minessale <anthony.minessale@gmail.com> wrote:
You may need to put the variable declarations first and all the command line switches such as --prefix last.



On Tue, Feb 4, 2014 at 1:09 PM, Tamas Jalsovszky <jalsot@gmail.com> wrote:
Hello,

I tried this: ./configure --prefix=/opt/freeswitch --enable-sse CFLAGS="-I/opt/freeswitch/openssl101f/include" LDFLAGS="-L/opt/freeswitch/openssl101f/lib"
Previously I compiled openssl as it is documented in the wiki and in this thread.
Unfortunately I got:
checking for openssl... yes
checking openssl_CFLAGS... 
checking openssl_LIBS... -lssl -lcrypto 
  adding "-DHAVE_OPENSSL" to SWITCH_AM_CFLAGS
checking for SSL_CTX_set_tlsext_use_srtp in -lssl... yes
checking for DTLSv1_method in -lssl... no

configure: error: OpenSSL >= 1.0.1e and associaed developement headers required

FS git master (5228e02b19ea3d952d0c476e5aa0f1173b2083e4), Ubuntu 12.04 LTS.

Is there other trick to build FS master with openssl from source code?

Regards,
  T.

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