tests/ltdl-libdir.at

# ltdl-libdir.at -- test libltdl functionality             -*- Autotest -*-
#
#   Copyright (C) 2010-2019, 2021-2025 Free Software Foundation, Inc.
#   This file is part of GNU Libtool.
#
# GNU Libtool is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# GNU Libtool is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Libtool.  If not, see <https://www.gnu.org/licenses/>.
####

AT_SETUP([libdir of installed modules])
AT_KEYWORDS([libltdl])

# This test requires shared library support.
AT_CHECK([$LIBTOOL --features | $GREP 'enable shared libraries' || exit 77],
	 [], [ignore])

# With MinGW, try Windows-style paths only.
if pwd -W >/dev/null 2>&1; then
  prefix=`pwd -W`/inst
else
  prefix=`pwd`/inst
fi
libdir=$prefix/lib
bindir=$prefix/bin
mkdir $prefix $libdir $bindir

AT_DATA([a.c],
[[#ifdef __cplusplus
extern "C"
#endif
int f (void)
{
  return 42;
}
]])

AT_DATA([m.c],
[[
#include <stdio.h>
#include <ltdl.h>

typedef int func_f(void);

int
main (int argc, const char *argv[])
{
  lt_dlhandle module = NULL;
  func_f *f = NULL;

  if (lt_dlinit()) {
    fprintf(stderr, "lt_dlinit failed '%s'\n", lt_dlerror());
    return 1;
  }

  module = lt_dlopen("./a.la");

  if (!module) {
    fprintf(stderr, "lt_dlopen failed '%s'\n", lt_dlerror());
    return 1;
  }

  f = (func_f *)lt_dlsym(module, "f");

  if (!f) {
    fprintf(stderr, "lt_dlsym failed '%s'\n", lt_dlerror());
    return 1;
  }

  if (f() != 42) {
    fprintf(stderr, "f did not return 42\n");
    return 1;
  }

  lt_dlclose(module);
  lt_dlexit();
  return 0;
}
]])

: ${LTDLINCL="-I$abs_top_srcdir/libltdl"}
: ${LIBLTDL="$abs_builddir/../libltdl/libltdlc.la"}

# Skip installcheck if --disable-ltdl-install was used.
AT_CHECK([test -f "$LIBLTDL" || exit 77])

CPPFLAGS="$LTDLINCL $CPPFLAGS"
LDFLAGS="$LDFLAGS -no-undefined"

AT_CHECK([$LIBTOOL --mode=compile $CC $CPPFLAGS $CFLAGS -c a.c],
	 [], [ignore], [ignore])
AT_CHECK([$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -o a.la ]dnl
	 [a.lo -rpath $libdir -module -shared -avoid-version],
	 [], [ignore], [ignore])
AT_CHECK([$CC $CPPFLAGS $CFLAGS -c m.c],
	 [], [ignore], [ignore])
AT_CHECK([$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -o m$EXEEXT ]dnl
	 [m.$OBJEXT $LIBLTDL],
	 [], [ignore], [ignore])
AT_CHECK([$LIBTOOL --mode=install cp a.la $libdir/a.la],
	 [], [ignore], [ignore])
AT_CHECK([$LIBTOOL --mode=install cp m$EXEEXT $bindir/m$EXEEXT],
	 [], [ignore], [ignore])

# Try finding the module via the libdir entry in a misplaced .la file.

mv $libdir/a.la $bindir/a.la
cd $bindir
LT_AT_EXEC_CHECK([./m],
		 [], [ignore], [ignore])

AT_CLEANUP