#!/bin/sh
# autopkgtest check: Build and run a program against glib, to verify that the
# headers and pkg-config file are installed correctly
# (C) 2012,2019 Canonical Ltd.
# (C) 2018 Simon McVittie
# Authors: Martin Pitt <martin.pitt@ubuntu.com>, Simon McVittie

set -eux

mode=dynamic

getopt_temp="$(getopt -o '' --long 'static' -n debian/tests/build -- "$@")"
eval set -- "$getopt_temp"

while true; do
    case "$1" in
        (--static)
            mode=static
            shift
            continue
            ;;

        (--)
            shift
            break
            ;;

        (*)
            echo "getopt: Internal error" >&2
            exit 2
    esac
done

WORKDIR=$(mktemp -d)
trap 'rm -rf "${WORKDIR}"' 0 INT QUIT ABRT PIPE TERM
cd "${WORKDIR}"

if [ -n "${DEB_HOST_GNU_TYPE:-}" ]; then
    CROSS_COMPILE="${DEB_HOST_GNU_TYPE}-"
else
    CROSS_COMPILE=
fi

cat <<EOF > glib.c
#include <glib.h>

int main(void)
{
    g_assert_cmpint (g_strcmp0 (NULL, "hello"), ==, -1);
    g_assert_cmpstr (g_getenv ("foo"), ==, "bar");
    return 0;
}
EOF
cat <<EOF > gobject.c
#include <glib-object.h>

int main(void)
{
    g_assert_cmpuint (G_TYPE_OBJECT, !=, G_TYPE_INVALID);
    return 0;
}
EOF
cat <<EOF > gio.c
#include <gio/gio.h>

int main(void)
{
    g_assert_cmpuint (G_TYPE_FILE, !=, G_TYPE_INVALID);
    return 0;
}
EOF
cat <<EOF > gio-unix.c
#include <gio/gunixfdlist.h>

int main(void)
{
    g_assert_cmpuint (G_TYPE_UNIX_FD_LIST, !=, G_TYPE_INVALID);
    return 0;
}
EOF
cat <<EOF > gmodule.c
#include <gmodule.h>

int main(void)
{
    GModule *module;

    g_assert_true (g_module_supported ());
    module = g_module_open (NULL, 0);
    g_assert_nonnull (module);
    g_assert_true (g_module_close (module));
    return 0;
}
EOF
cat <<EOF > gthread.c
#include <glib.h>

static gpointer
other_cb (gpointer nil)
{
  return "hello";
}

int main(void)
{
    GThread *other;
    gpointer ret;

    other = g_thread_new ("other", other_cb, NULL);
    g_assert_nonnull (other);
    ret = g_thread_join (other);
    g_assert_cmpstr (ret, ==, "hello");
    return 0;
}
EOF

for lib in glib gobject gio gio-unix gmodule gthread; do
    cflags=
    pcflags=
    packages="${lib}-2.0"

    case "$mode" in
        (static)
            cflags=-static
            pcflags=--static

            case "$lib" in
                (gio|gio-unix)
                    # GIO depends on libmount which no longer supports
                    # being linked statically
                    continue
                    ;;
            esac
            ;;
    esac

    # shellcheck disable=SC2046
    ${CROSS_COMPILE}gcc $cflags -o ${lib}-$mode ${lib}.c $(${CROSS_COMPILE}pkg-config $pcflags --cflags --libs ${packages})
    echo "build ($lib, $mode): OK"
    [ -x ${lib}-$mode ]
    foo=bar ./${lib}-$mode
    echo "run ($lib, $mode): OK"
done