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https://issues.apache.org/jira/browse/MESOS-9353?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Till Toenshoff reassigned MESOS-9353:
-------------------------------------
Assignee: Till Toenshoff
> libprocess triggers deprecation warnings when built against openssl 1.1.
> -------------------------------------------------------------------------
>
> Key: MESOS-9353
> URL: https://issues.apache.org/jira/browse/MESOS-9353
> Project: Mesos
> Issue Type: Bug
> Components: build, libprocess
> Affects Versions: 1.8.0
> Reporter: Till Toenshoff
> Assignee: Till Toenshoff
> Priority: Minor
> Labels: OpenSSL, build, deprecation, libprocess, warnings
>
> When building libprocess against libevent and openssl 1.1, the results are
> deprecation warnings;
> {noformat}
> ../3rdparty/libprocess/src/openssl.cpp:764:39: warning: 'ASN1_STRING_data' is
> deprecated [-Wdeprecated-declarations]
> reinterpret_cast<char*>(ASN1_STRING_data(
> ^
> /usr/include/openssl/asn1.h:553:1: note: 'ASN1_STRING_data' has been
> explicitly marked deprecated here
> DEPRECATEDIN_1_1_0(unsigned char *ASN1_STRING_data(ASN1_STRING *x))
> ^
> /usr/include/openssl/opensslconf-x86_64.h:122:34: note: expanded from macro
> 'DEPRECATEDIN_1_1_0'
> # define DEPRECATEDIN_1_1_0(f) DECLARE_DEPRECATED(f)
> ^
> /usr/include/openssl/opensslconf-x86_64.h:96:56: note: expanded from macro
> 'DECLARE_DEPRECATED'
> # define DECLARE_DEPRECATED(f) f __attribute__ ((deprecated));
> ^
> {noformat}
> These warnings are benign and can get ignored for now, as long as no warning
> to error escalation is active. For successful builds we need to activate
> {{disable-werror}} for autotools - cmake builds do not escalate warnings to
> errors by default.
> We should still fix those warnings, likely by adapting towards openssl1.1 via
> preprocessor/define gates like;
> {noformat}
> #if OPENSSL_VERSION_NUMBER < 0x10100000L
> [leave code as is]
> #else
> [add variant that does not rely on deprecated ASN1_STRING_data]
> #endif
> {noformat}
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