[New-bugs-announce] [issue31713] python3 python-config script generates invalid includes

matthewlweber report at bugs.python.org
Fri Oct 6 09:37:29 EDT 2017

New submission from matthewlweber <matthew.weber at rockwellcollins.com>:

Related to https://bugs.python.org/issue22907

If building in a path that starts with /usr, the includedir=$(echo "@includedir@" | sed "s#^$prefix_build#$prefix_real#") assignment in the python-config.sh ends up having the path it processes ran through a path substitution once before this line is executed because the @includedir@ in the python-config.sh.in is set to the string '${prefix}/include'.  ${prefix} is assigned just above includedir in python-config.sh to prefix=$(echo "$prefix_build" | sed "s#^$prefix_build#$prefix_real#")

I believe we need to update the includedir to 

includedir=$(echo "@includedir@")

Or rename the prefix variable in python-config.sh so that there isn't a naming conflict if a string is passed in via @includedir@ with that variable.

Without fixing this you end up with multiple /usr substitutions in the includedir string, each replaced with the real path.  ie resulting in an invalid path.

components: Cross-Build
messages: 303819
nosy: Alex.Willmer, matthewlweber
priority: normal
severity: normal
status: open
title: python3 python-config script generates invalid includes
versions: Python 3.4

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