#!/bin/sh
# autopkgtest check: Build and link against a simple shared library, to test
# basic binutils compile-time and run-time linking functionality.
#
# (C) 2012 Canonical Ltd.
# Author: Martin Pitt <martin.pitt@ubuntu.com>

set -e

CC=gcc-9

WORKDIR=$(mktemp -d)
trap "rm -rf $WORKDIR" 0 INT QUIT ABRT PIPE TERM
cd $WORKDIR
cat <<EOF > testlib.c

int ultimate_answer()
{
    return 42;
}
EOF

$CC -Wall -Werror -shared -o libultimate.so testlib.c
echo "library build: OK"

# should export the symbol
nm -D libultimate.so | grep -q 'T ultimate_answer'

# link it against a program
cat <<EOF > testprog.c
#include <assert.h>

int ultimate_answer();

int main()
{
    assert (ultimate_answer() == 42);
    return 0;
}
EOF

$CC -Wall -Werror -L . -o testprog testprog.c -lultimate
echo "program build: OK"
[ -x testprog ]
LD_LIBRARY_PATH=. ./testprog
echo "run: OK"
