Michael Davidsaver
64 lines
1.7 KiB
Bash
Executable File
64 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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set -e -x
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# need abi-dumper vtable-dumper abi-compliance-checker ctags-universal
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# circa >= Debian 11
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die() {
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echo "$1" >&1
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exit 1
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}
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OLD="$1"
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NEW="${2:-HEAD}"
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# default to tag before $NEW
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[ "$OLD" ] || OLD="$(git describe --abbrev=0 "$NEW")"
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[ "$OLD" -a "$NEW" ] || die "usage: $0 <oldrev> <newrev>"
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echo "Diff $OLD -> $NEW"
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TDIR=`mktemp -d`
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trap 'rm -rf "$TDIR"' EXIT INT QUIT TERM
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# abi-dumper is very particular about ctags variant
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install -d "$TDIR/bin"
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ln -s "$(which ctags-universal)" "$TDIR/bin/ctags"
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PATH="$TDIR/bin:$PATH"
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which ctags
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ctags --version
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# $1 rev
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# $2 dir
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setupsrc() {
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mkdir "$2"
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git archive "$1" | tar -C "$2" -xv
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# would be nice to use clone, and get sub-modules.
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# but no such luck...
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#git clone --branch "$1" --depth 1 --recurse-submodules --shallow-submodules --reference file://$PWD file://$PWD "$2"
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[ -f configure/RELEASE.local ] && cp configure/RELEASE.local "$2/configure/"
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[ -f configure/CONFIG_SITE.local ] && cp configure/CONFIG_SITE.local "$2/configure/"
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sed -i -e "s|\$(TOP)|$(pwd)|g" -e 's|-Werror||g' "$2/configure"/*.local
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# assume host libevent_core is available
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#make -C "$2/bundle" libevent -j8
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make -C "$2" CROSS_COMPILER_TARGET_ARCHS= OPT_CFLAGS='-g -Og' OPT_CXXFLAGS='-g -Og' src -j8
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nm -g "$2"/lib/linux-*/libpvxs.so.* |sed -e 's|^[0-9a-f]*\s*||' > "$TDIR/$1.nm"
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abi-dumper "$2"/lib/linux-*/libpvxs.so.* -o "$TDIR/$1.dump" -public-headers "$2/include" -lver "$1"
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}
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setupsrc "$OLD" "$TDIR/old"
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setupsrc "$NEW" "$TDIR/new"
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# I don't totally trust abicc, so let's have a second opinion...
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diff -u "$TDIR/$OLD.nm" "$TDIR/$NEW.nm" || true
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abi-compliance-checker -l libpvxs -old "$TDIR/$OLD.dump" -new "$TDIR/$NEW.dump"
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