[jira] [Created] (MINIFICPP-1301) Cannot compile with GCC 10

[Marton Szasz (Jira)]

Marton Szasz created MINIFICPP-1301:
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             Summary: Cannot compile with GCC 10
                 Key: MINIFICPP-1301
                 URL: https://issues.apache.org/jira/browse/MINIFICPP-1301
             Project: Apache NiFi MiNiFi C++
          Issue Type: Bug
            Reporter: Marton Szasz


Compilation with GCC 10 fails, most likely due to the switch from {{-fcommon}} 
to {{-fno-common}} behavior.

see: [https://wiki.gentoo.org/wiki/Gcc_10_porting_notes/fno_common] and 
[https://gcc.gnu.org/gcc-10/porting_to.html]

Error:

{{[ 52%] Linking CXX executable minifi}}
 
{{/usr/lib/gcc/x86_64-pc-linux-gnu/10.1.0/../../../../x86_64-pc-linux-gnu/bin/ld:
 ../libminifi/libcore-minifi.a(SSLContextService.cpp.o): in function 
`sk_X509_num':}}
 {{/usr/include/openssl/x509.h:99: undefined reference to `OPENSSL_sk_num'}}
 
{{/usr/lib/gcc/x86_64-pc-linux-gnu/10.1.0/../../../../x86_64-pc-linux-gnu/bin/ld:
 ../libminifi/libcore-minifi.a(SSLContextService.cpp.o): in function 
`sk_X509_pop':}}
 {{/usr/include/openssl/x509.h:99: undefined reference to `OPENSSL_sk_pop'}}
 
{{/usr/lib/gcc/x86_64-pc-linux-gnu/10.1.0/../../../../x86_64-pc-linux-gnu/bin/ld:
 ../libminifi/libcore-minifi.a(SSLContextService.cpp.o): in function 
`sk_X509_pop_free':}}
 {{/usr/include/openssl/x509.h:99: undefined reference to 
`OPENSSL_sk_pop_free'}}
 {{collect2: error: ld returned 1 exit status}}
 {{gmake[2]: *** [main/CMakeFiles/minifiexe.dir/build.make:178: main/minifi] 
Error 1}}
 {{gmake[1]: *** [CMakeFiles/Makefile2:3567: main/CMakeFiles/minifiexe.dir/all] 
Error 2}}
 {{gmake: *** [Makefile:183: all] Error 2}}

 

 Workaround: Add {{-fcommon}} to your CFLAGS and CXXFLAGS



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