tests/search-path.at

# search-path.at -- test sys_lib_search_path_spec             -*- Autotest -*-
#
#   Copyright (C) 2006, 2008, 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([sys_lib_search_path])
AT_KEYWORDS([libtool])
LDFLAGS="$LDFLAGS -no-undefined"

AT_DATA([main.c],
[[extern
#ifdef __cplusplus
"C"
#endif
int inflate ();
int main()
{
  return inflate ();
}
]])

$CC $CPPFLAGS $CFLAGS -c main.c
eval `$LIBTOOL --config | $EGREP '^(sys_lib_search_path_spec)='`
eval sys_lib_search_path=\"$sys_lib_search_path_spec\"
no_libz=:
for path in $sys_lib_search_path; do
  if $LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -o main$EXEEXT main.$OBJEXT -L$path -lz
  then
    AT_CHECK([$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -o main$EXEEXT main.$OBJEXT -lz],
             [], [ignore], [ignore])
    no_libz=false
    break
  fi
done

# If -lz doesn't exist (hello, cross compiler!), we need a dummy test.
if $no_libz; then
  AT_CHECK([exit 77])
fi

AT_CLEANUP


AT_SETUP([sys_lib_search_path on w32])
AT_KEYWORDS([libtool])

# Check if libtool knows the path to system libraries.  Using
# a w32 system library since the test is designed to check if
# the libtool handling of the sys_lib_search_path variable is
# correct for MSVC.

LDFLAGS="$LDFLAGS -no-undefined"

AT_DATA([gc.c],
[[#include <windows.h>
HCURSOR get_cursor (void)
{
  return GetCursor ();
}
]])

eval "`$LIBTOOL --config | $GREP '^build_libtool_libs='`"
AT_CHECK([test yes = "$build_libtool_libs" || exit 77])

AT_CHECK([$LIBTOOL --mode=compile --tag=CC \
	  $CC $CPPFLAGS $CFLAGS -o gc.lo -c gc.c || exit 77],
	 [], [ignore], [ignore])

# Ok, compile was fine, then it should be possible to link too.

AT_CHECK([$LIBTOOL --mode=link --tag=CC --tag=disable-static \
	  $CC $CFLAGS $LDFLAGS -o libgc.la gc.lo -rpath /nowhere -luser32],
	 [], [ignore], [ignore])

# If -luser32 was found, then libtool will build a shared library,
# otherwise libtool will fall back to creating a static library.
AT_CHECK([$GREP old_library=\'\' libgc.la], [], [ignore])

AT_CLEANUP