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Posted to issues@nifi.apache.org by "Andrew Christianson (JIRA)" <ji...@apache.org> on 2018/05/04 15:51:00 UTC

[jira] [Updated] (MINIFICPP-459) Ensure that FlexLexer.h can be included when system includes are not in path

     [ https://issues.apache.org/jira/browse/MINIFICPP-459?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Christianson updated MINIFICPP-459:
------------------------------------------
    Description: 
Sources generated by bison/flex for expression language depend on lex headers. In certain build environments, such as Android cross-compilation, system headers are not in the include path, so the build fails due to not finding FlexLexer.h.

Provide some way for the build to find the system FlexLexer.h corresponding to the install of flex used to generate EL lexer sources.

  was:Sources generated by bison/flex for expression language depend on lex headers. Inclusion of FlexLexer will allow the generated source to be compiled in environments where lex is not available.

        Summary: Ensure that FlexLexer.h can be included when system includes are not in path  (was: Include flex lexer headers so that generated code can be used without lex being installed)

From GitHub: Going to close this PR as invalid. FlexLexer.h appears to be incompatible between common versions. Flex/bison are build requirements when EL code is generated. This ticket made it possible to build when system headers were not in the include path (e.g. Android builds); this remains a requirement, but a different solution needs to be applied.

> Ensure that FlexLexer.h can be included when system includes are not in path
> ----------------------------------------------------------------------------
>
>                 Key: MINIFICPP-459
>                 URL: https://issues.apache.org/jira/browse/MINIFICPP-459
>             Project: NiFi MiNiFi C++
>          Issue Type: Improvement
>            Reporter: Andrew Christianson
>            Assignee: Andrew Christianson
>            Priority: Major
>
> Sources generated by bison/flex for expression language depend on lex headers. In certain build environments, such as Android cross-compilation, system headers are not in the include path, so the build fails due to not finding FlexLexer.h.
> Provide some way for the build to find the system FlexLexer.h corresponding to the install of flex used to generate EL lexer sources.



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