1#! /bin/sh
2# link-order.test - make sure that library linking order matches
3
4# Test script header.
5need_prefix=no
6if test -z "$srcdir"; then
7  srcdir=`echo "$0" | sed 's%/[^/]*$%%'`
8  test "$srcdir" = "$0" && srcdir=.
9  test "${VERBOSE+set}" != "set" && VERBOSE=yes
10fi
11. $srcdir/defs || exit 1
12
13retcode=0
14
15rm -rf linkorder.dir
16mkdir linkorder.dir
17top_dir=`pwd`/linkorder.dir
18prefix_old=$top_dir/old
19prefix_new=$top_dir/new
20srcdir=linkorder.dir/src
21mkdir $srcdir $prefix_old $prefix_new $prefix_old/lib $prefix_new/lib
22
23cat >$srcdir/c.c <<EOF
24int c = 1;
25EOF
26
27$libtool --mode=compile $CC $CFLAGS -c $srcdir/c.c -o $srcdir/c.lo
28$libtool --mode=link $CC $CFLAGS $LDFLAGS -o $srcdir/libcee.la $srcdir/c.lo \
29    -rpath $prefix_old/lib
30$libtool --mode=install cp $srcdir/libcee.la $prefix_old/lib/libcee.la
31
32for i in old new; do
33  rm -rf $srcdir
34  mkdir $srcdir
35
36  cat >$srcdir/a_$i.c <<EOF
37extern int c;
38extern int b_$i();
39int a_$i() { return c + b_$i(); }
40EOF
41
42  cat >$srcdir/b_$i.c <<EOF
43extern int c;
44int b_$i() { return 1 + c; }
45EOF
46
47  prefix=`eval echo \\$prefix_$i`
48  $libtool --mode=compile $CC $CFLAGS -c $srcdir/a_$i.c -o $srcdir/a.lo
49  $libtool --mode=compile $CC $CFLAGS -c $srcdir/b_$i.c -o $srcdir/b.lo
50  $libtool --mode=link $CC $CFLAGS $LDFLAGS -o $srcdir/libb.la $srcdir/b.lo \
51      -L$prefix_old/lib -lcee -rpath $prefix/lib
52  $libtool --mode=link $CC $CFLAGS -o $srcdir/liba.la $srcdir/a.lo \
53      $srcdir/libb.la -L$prefix_old/lib -lcee -rpath $prefix/lib
54  $libtool --mode=install cp $srcdir/libb.la $prefix/lib/libb.la
55  $libtool --mode=install cp $srcdir/liba.la $prefix/lib/liba.la \
56      >$srcdir/stdout 2>$srcdir/stderr || retcode=1
57  cat $srcdir/stdout
58  cat $srcdir/stderr >&2
59done
60
61# Do not error if we do not relink (e.g. static-only systems)
62if $EGREP relinking $srcdir/stderr; then
63  if $EGREP ' -L.*\/new\/lib -lb -L.*\/old\/lib -lcee' $srcdir/stdout; then :; else
64    echo "$0: wrong link order" 1>&2
65    retcode=1
66  fi
67fi
68
69for i in old new; do
70  cat >$srcdir/main_$i.c <<EOF
71extern int a_$i();
72int main(void) { return a_$i() != 3; }
73EOF
74
75  prefix=`eval echo \\$prefix_$i`
76  $libtool --mode=compile $CC $CFLAGS -c $srcdir/main_$i.c -o $srcdir/main_$i.lo
77  $libtool --mode=link $CC $CFLAGS $LDFLAGS -o $srcdir/main_$i $srcdir/main_$i.lo \
78      -L$prefix/lib -la || retcode=1
79  if $srcdir/main_$i; then :
80  else
81    echo "$0: cannot execute $srcdir/main_$i" 1>&2
82    if test "X$host" != "X$build"; then
83      echo "This may be ok since you seem to be cross-compiling." 1>&2
84      retcode=77
85    else
86      retcode=1
87    fi
88  fi
89done
90
91rm -rf $top_dir
92exit $retcode
93