libwacom ABI symbol testing script

libwacom-test.sh

src_old=$HOME/libwacom-0.33
src_new=$HOME/libwacom-0.34

dst_old=$HOME/libwacom-inst-0.33
dst_new=$HOME/libwacom-inst-0.34

build() {
    src=$1
    dst=$2
    pushd $src > /dev/null
    git clean -dxf > /dev/null
    ./autogen.sh --prefix=$dst > /dev/null
    make clean > /dev/null
    make check > /dev/null
    make install > /dev/null
    popd > /dev/null
}

compile() {
    prefix=$1
    PKG_CONFIG_PATH=$prefix/lib/pkgconfig 
    export PKG_CONFIG_PATH
    LD_LIBRARY_PATH=$prefix/lib/
    export LD_LIBRARY_PATH
    gcc -o test test.c `pkg-config --cflags --libs libwacom`
    unset PKG_CONFIG_PATH
    unset LD_LIBRARY_PATH
}

echo "#### compiling old"
build $src_old $dst_old

echo "#### compiling new"
build $src_new $dst_new

echo "#### generating test program"

cat > test.c <<EOF
#define NULL 0
extern void *libwacom_match_new(void *, int, int, int);
extern void libwacom_match_destroy(void *);

int main(void) {
    void * match = libwacom_match_new(NULL, 3, 0, 0);
    libwacom_match_destroy(match);
    return 0;
}
EOF

echo "#### compiling against 0.33"
compile $dst_old
mv test test.33

echo "#### compiling against 0.34 (expect fail)"
set +e
compile $dst_new
mv test test.34
set -e


echo "#### Running test now"
echo "#### running .33  against .33"
LD_LIBRARY_PATH=$dst_old/lib ./test.33 && echo "success"
echo "#### running .33  against .34"
LD_LIBRARY_PATH=$dst_new/lib ./test.33 && echo "success"
echo "#### running .34  against .33"
set +e
LD_LIBRARY_PATH=$dst_old/lib ./test.34 && echo "success (expect fail)"
set -e
echo "#### running .34  against .34"
LD_LIBRARY_PATH=$dst_new/lib ./test.34 && echo "success"