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https://bro-tracker.atlassian.net/browse/BIT-1096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14801#comment-14801
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Ryan Schmidt commented on BIT-1096:
-----------------------------------
bq. Looks like MAGIC_VERSION doesn't appear in magic.h until libmagic 5.13,
which is probably why it's currently looking in {{file --version}} output for
version info.
Oh. Well drat.
bq. Is it sufficient to use MAGIC_VERSION if available and fallback on {{file
--version}} ? Or is there a better way to extract the version from older
libmagics?
That would address my immediate concern. There doesn't seem to be a
{{libmagic-config}} program or pkg-config .pc file for libmagic so I don't know
how else to check its version.
> Should check version of libmagic not version of file
> ----------------------------------------------------
>
> Key: BIT-1096
> URL: https://bro-tracker.atlassian.net/browse/BIT-1096
> Project: Bro Issue Tracker
> Issue Type: Problem
> Components: Bro
> Affects Versions: 2.2
> Environment: Mac OS X 10.6.8; libmagic and other dependencies
> installed using MacPorts
> Reporter: Ryan Schmidt
>
> As far as I can tell, bro requires the libmagic library, but not the file
> program. However bro's configuration script appears not to be checking the
> version of the libmagic library, but the version of the file program. This is
> a problem in distributions like MacPorts where the libmagic library and the
> file program are in separate packages; installing the libmagic package does
> not mean you will automatically get the corresponding version of the file
> program.
> This causes a build failure on Mac OS X 10.6 Snow Leopard for example which
> ships with /usr/bin/file version 5.03. Even though libmagic 5.15 is installed
> from MacPorts, bro fails to configure, thinking it's too old. The MacPorts
> project's bug report for that is https://trac.macports.org/ticket/41457
> Could you change bro's configuration script to check the version of libmagic
> instead? You can check MAGIC_VERSION in magic.h.
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