On 08/14/2013 10:30 AM, Marc Kleine-Budde wrote:
> On 08/14/2013 10:15 AM, Alexander Dahl wrote:
>> Hei hei, 
>>
>> after migrating from OSELAS toolchain 2011.11.3 to 2012.12.1 ssmtp fails
>> to build with ssl support enabled, at least on our platform which ist
>> arm-v5te. I had a rough look over the ssmtp sources and it needs openssl
>> for this and uses -lssl as linker option. Compiling produces lots of
>> warning, and then linking fails. Of course openssl is enabled in ptxdist
>> menuconfig and builds succesfully.
>>
>> We're not using ssmtp with ssl at the moment, but if anyone has an idea,
>> here's the failing part:
>>
>> ---------------------
>> target: ssmtp.compile
>> ---------------------
>>
>> make[1]: Entering directory `XXXXX/build-target/ssmtp-2.64'
>> arm-v5te-linux-gnueabi-gcc -o ssmtp ssmtp.o arpadate.o base64.o
>> xgethostname.o md5auth/md5c.o md5auth/hmac_md5.o  -lnsl  -lssl
>> /opt/OSELAS.Toolchain-2012.12.1/arm-v5te-linux-gnueabi/gcc-4.7.2-glibc-2.16.0-binutils-2.22-kernel-3.6-sanitized/lib/gcc/arm-v5te-linux-gnueabi/4.7.2/../../../../arm-v5te-linux-gnueabi/bin/ld:
>> ssmtp.o: undefined reference to symbol 'X509_free@@OPENSSL_1.0.0'
>> /opt/OSELAS.Toolchain-2012.12.1/arm-v5te-linux-gnueabi/gcc-4.7.2-glibc-2.16.0-binutils-2.22-kernel-3.6-sanitized/lib/gcc/arm-v5te-linux-gnueabi/4.7.2/../../../../arm-v5te-linux-gnueabi/bin/ld:
>> note: 'X509_free@@OPENSSL_1.0.0' is defined in DSO
>> XXXXX/sysroot-target/usr/lib/libcrypto.so.1.0.0 so try adding it to the
>> linker command line
>> XXXXX/sysroot-target/usr/lib/libcrypto.so.1.0.0: could not read symbols:
>> Invalid operation
>> collect2: error: ld returned 1 exit status
>> make[1]: Leaving directory `XXXXX/build-target/ssmtp-2.64'
>> make[1]: *** [ssmtp] Error 1
>> make: *** [XXXXX/state/ssmtp.compile] Error 2
> 
> You have to link against libcrypto. I'm preparing a patch.

See commit "d0e1711 ssmtp: fix linking against openssl" on master

Marc
-- 
Pengutronix e.K.                  | Marc Kleine-Budde           |
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