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#!/bin/sh
# Modifies the Makefile in the current directory (and optionally its subdirs),
# - to add debug info (-g3)
# - optionally (default) remove optimizations (-O[1-9]?)
# - optionally remove -DNDEBUG and -DNO_DEBUG
# depth is 3 because flags.make is within CMakeFiles/foo.dir/
keep=
mxdp="-maxdepth 3"
ndebug=
for i in "$@"; do
case $i in
-k) keep=1;;
-r) mxdp=;;
-n) ndebug=1;;
*) printf "Usage: adddebug [-k] [-r] [-n]\n -k: keep optimizations (removed by default)\n -r: recursive (process all subdirectories)\n -n: compile without NDEBUG and NO_DEBUG being defined (makes kDebug calls work)\n"; exit 1;;
esac
done
xpr='s/^((C|CXX|LD)_FLAGS[ \t]*=.*)$/\1 -g3/'
if test -z $keep; then
xpr="$xpr;"'s/[\t ]-O[1-9]?\b//g'
xpr="$xpr;"'s/[\t ]-march=\S+\b//g'
fi
if test -z $ndebug; then
xpr="$xpr;"'s/[\t ]-DNDEBUG\b//g'
xpr="$xpr;"'s/[\t ]-DNO_DEBUG\b//g'
fi
find . $mxdp -name flags.make -print0 | xargs -0 perl -i "$xpr"
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