binutils-gdb/config/unwind_ipinfo.m4
Joseph Myers fb2470b817 Merge from GCC:
2008-11-21  Kai Tietz  <kai.tietz@onevision.com>

	Fix PR/25502
	* mh-mingw (BOOT_CFLAGS): Add -Wno-pedantic-ms-format switch.

2008-11-12  Steve Ellcey  <sje@cup.hp.com>

	PR target/27880
	* unwind_ipinfo.m4 (GCC_CHECK_UNWIND_GETIPINFO): Change from
	link test to target based test.
2008-11-27 17:22:10 +00:00

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dnl
dnl Check whether _Unwind_GetIPInfo is available without doing a link
dnl test so we can use this with libstdc++-v3 and libjava. Need to
dnl use $target to set defaults because automatic checking is not possible
dnl without a link test (and maybe even with a link test).
dnl
AC_DEFUN([GCC_CHECK_UNWIND_GETIPINFO], [
AC_ARG_WITH(system-libunwind,
[ --with-system-libunwind use installed libunwind])
# If system-libunwind was not specifically set, pick a default setting.
if test x$with_system_libunwind = x; then
case ${target} in
ia64-*-hpux*) with_system_libunwind=yes ;;
*) with_system_libunwind=no ;;
esac
fi
# Based on system-libunwind and target, do we have ipinfo?
if test x$with_system_libunwind = xyes; then
case ${target} in
ia64-*-*) have_unwind_getipinfo=no ;;
*) have_unwind_getipinfo=yes ;;
esac
else
have_unwind_getipinfo=yes
fi
if test x$have_unwind_getipinfo = xyes; then
AC_DEFINE(HAVE_GETIPINFO, 1, [Define if _Unwind_GetIPInfo is available.])
fi
])