https://bz.apache.org/SpamAssassin/show_bug.cgi?id=8196
Bug ID: 8196
Summary: cpanm install fails when NetAddr::IP is not installed
Product: Spamassassin
Version: SVN Trunk (Latest Devel Version)
Hardware: All
OS: All
Status: NEW
Severity: major
Priority: P2
Component: Building & Packaging
Assignee: dev@spamassassin.apache.org
Reporter: sid...@sidney.com
Target Milestone: Undefined
On a system that does not have NetAddr::IP installed, using cpanm to install
Mail::SpamAssassin from a release tarball generated from trunk fails with an
error that NetAdddr::IP cannot be found in INC.
This does not happen installing 4.0.0, which instead successfully runs
Makefile.PL and then proceeds to install all required modules, including
NetAddr::IP.
This bug is an unintended side effect of revision 1909909 which added a use
NetAddr::IP to Util.pm. Before that commit, Util checked in an eval at runtime
if the NetAddr::IP exists and conditionally required it, in a code path which
is not run during the execution of Makefile.PL.
Makefile.PL runs a function from DepencyInfo.pm which uses Util. The change has
introduced a dependency on NetAddr::IP before cpanm gets the list of required
modules that is generated by running Makefile.PL.
The fix is to place NetAddr::IP in the configure_requires list, which is the
list of modules that cpan looks at to find and install those that Makefile.PL
needs to run.
Because of an ambiguity in the cpan module specs, it still needs to be in the
runtime required list too, to ensure that it is not loaded temporarily only at
build time.
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