mold/test/elf/link-order.sh

#!/bin/bash
export LANG=
set -e
CC="${CC:-cc}"
CXX="${CXX:-c++}"
testname=$(basename -s .sh "$0")
echo -n "Testing $testname ... "
cd "$(dirname "$0")"/../..
mold="$(pwd)/mold"
t="$(pwd)/out/test/elf/$testname"
mkdir -p "$t"

cat <<EOF | $CC -fPIC -c -o "$t"/a.o -xc -
void foo() {}
EOF

$CC -B. -shared -o "$t"/libfoo.so "$t"/a.o
ar crs "$t"/libfoo.a "$t"/a.o

cat <<EOF | $CC -c -o "$t"/b.o -xc -
void foo();
int main() {
  foo();
}
EOF

$CC -B. -o "$t"/exe "$t"/b.o -Wl,--as-needed \
  "$t"/libfoo.so "$t"/libfoo.a
ldd "$t"/exe | grep -q libfoo

$CC -B. -o "$t"/exe "$t"/b.o -Wl,--as-needed \
  "$t"/libfoo.a "$t"/libfoo.so
! ldd "$t"/exe | grep -q libfoo || false

echo OK