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livetrax/tools/gccabicheck
Mads Kiilerich 7737c17d52 wscript: drop unused imports, scripted
Done with ad hoc scripting hacks processing unused imports found by pyflakes:

for f in $( find * -name wscript ); do echo; pyflakes $f; done | grep 'waflib.Logs.* but unused' | cut -d: -f1 | while read f; do sed -i 's/^import waflib.Logs as Logs,/import/g' $f; done
for f in $( find * -name wscript ); do echo; pyflakes $f; done | grep 'waflib.Options.* but unused' | cut -d: -f1 | while read f; do sed -i 's/import waflib.Options as Options, /import /g' $f; done
for f in $( find * -name wscript ); do echo; pyflakes $f; done | grep 'waflib.Options.* but unused' | cut -d: -f1 | while read f; do sed -i 's/^from waflib import Options,/from waflib import/g' $f; done
for f in $( find * -name wscript ); do echo; pyflakes $f; done | grep ' imported but unused$' | sed "s/^\([^:]*\):[0-9]*:[0-9]* '\(.*\)'.*/\1 \2/g" | while read f lib; do sed -i "/^import $lib$/d" $f; done
for f in $( find * -name wscript ); do echo; pyflakes $f; done | grep 'waflib.Options.* but unused' | cut -d: -f1 | while read f; do sed -i '/from waflib import Options$/d' $f; done
for f in $( find * -name wscript ); do echo; pyflakes $f; done | grep 'waflib.TaskGen.* but unused' | cut -d: -f1 | while read f; do sed -i '/from waflib import TaskGen$/d' $f; done
for f in $( find * -name wscript ); do echo; pyflakes $f; done | grep 'waflib.Task.Task.* but unused' | cut -d: -f1 | while read f; do sed -i '/^from waflib.Task import Task$/d' $f; done
for f in $( find * -name wscript ); do echo; pyflakes $f; done | grep 'waflib.Tools.winres.* but unused' | cut -d: -f1 | while read f; do sed -i '/^from waflib.Tools import winres$/d' $f; done
for f in $( find * -name wscript ); do echo; pyflakes $f; done | grep 'waflib.Utils.* but unused' | cut -d: -f1 | while read f; do sed -i '/^import waflib.Utils as Utils$/d' $f; done
2023-09-17 07:34:55 -06:00
..
abicheck.c
Makefile
README
wscript wscript: drop unused imports, scripted 2023-09-17 07:34:55 -06:00

g++5 ABI test tool
==================

This is a simple tool to test a system for g++5's glibmm at runtime.

GCC5.1 introduced a new ABI for the C++ standard library.
The old 3.4 .. 5.0 ABI is not compatible. By default gcc provides a
dual ABI, so testing libstc++ itself is not sufficient.


Some GNU/Linux distributions systems switched to the new ABI already
and compile *plugins* with the new gcc.

If a plugin uses a c++ library that is also shipped with ardour-bundles,
the ABI of that library must match. Currently known cases: gtkmm, glibmm.

e.g. Ingen or eq10q provided by a distro compiled with gcc5 will not
load in Ardour from ardour.org compiled with gcc4 because ardour
ships an incompatible gtkmm, glibmm, cairomm, ...

Likewise Ardour gcc5-compiled binaries will fail to load plugins that
are compiled with gcc4.

This simiple tool `gcc-glibmm-abi-check` checks for gcc4/gcc5 specific
symbols in libglibmm (a common denominator C++ lib), it is intended
to be run when deploying ardour binaries.


References
----------

https://gcc.gnu.org/onlinedocs/libstdc++/manual/using_dual_abi.html
https://wiki.debian.org/GCC5
https://mail.gnome.org/archives/gtkmm-list/2015-June/thread.html