[], [enable_multilib=yes])
AC_SUBST(enable_multilib)
+# Determine whether or not multiarch is enabled.
+AC_ARG_ENABLE(multiarch,
+[AS_HELP_STRING([--enable-multiarch],
+ [enable support for multiarch paths])],
+[case "${enableval}" in
+yes|no|auto) enable_multiarch=$enableval;;
+*) AC_MSG_ERROR(bad value ${enableval} given for --enable-multiarch option) ;;
+esac], [enable_multiarch=auto])
+if test x${enable_multiarch} = xauto; then
+ if test x${with_native_system_header_dir} != x; then
+ ma_msg_suffix=", disabled auto check (configured with --native-system-header-dir)"
+ enable_multiarch=no
+ fi
+ if test x$host != x$target && test "x$with_sysroot" = x; then
+ ma_msg_suffix=", disabled auto check (cross build configured without --with-sysroot)"
+ enable_multiarch=no
+ fi
+fi
+AC_MSG_CHECKING(for multiarch configuration)
+AC_SUBST(enable_multiarch)
+AC_MSG_RESULT($enable_multiarch$ma_msg_suffix)
+
+# needed for setting the multiarch name for soft-float/hard-float ABIs
+AC_SUBST(with_cpu)
+AC_SUBST(with_float)
+
# Enable __cxa_atexit for C++.
AC_ARG_ENABLE(__cxa_atexit,
[AS_HELP_STRING([--enable-__cxa_atexit], [enable __cxa_atexit for C++])],
[Define if <time.h> defines clock_t.])
fi
+# Check if F_SETLKW is supported by fcntl.
+AC_CACHE_CHECK(for F_SETLKW, ac_cv_f_setlkw, [
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <fcntl.h>]], [[
+struct flock fl;
+fl.l_whence = 0;
+fl.l_start = 0;
+fl.l_len = 0;
+fl.l_pid = 0;
+return fcntl (1, F_SETLKW, &fl);]])],
+[ac_cv_f_setlkw=yes],[ac_cv_f_setlkw=no])])
+if test $ac_cv_f_setlkw = yes; then
+ AC_DEFINE(HOST_HAS_F_SETLKW, 1,
+ [Define if F_SETLKW supported by fcntl.])
+fi
+
# Restore CFLAGS, CXXFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
CFLAGS="$saved_CFLAGS"
CXXFLAGS="$saved_CXXFLAGS"
AC_CACHE_CHECK(linker support for omitting dot symbols,
gcc_cv_ld_no_dot_syms,
[gcc_cv_ld_no_dot_syms=no
- if test $in_tree_ld = yes ; then
+ if test x"$ld_is_gold" = xyes; then
+ gcc_cv_ld_no_dot_syms=yes
+ elif test $in_tree_ld = yes ; then
if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2; then
gcc_cv_ld_no_dot_syms=yes
fi
AC_CACHE_CHECK(linker large toc support,
gcc_cv_ld_large_toc,
[gcc_cv_ld_large_toc=no
- if test $in_tree_ld = yes ; then
+ if test x"$ld_is_gold" = xyes; then
+ gcc_cv_ld_large_toc=yes
+ elif test $in_tree_ld = yes ; then
if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 21 -o "$gcc_cv_gld_major_version" -gt 2; then
gcc_cv_ld_large_toc=yes
fi
$target_header_dir/bits/uClibc_config.h > /dev/null; then
gcc_cv_libc_provides_ssp=yes
fi
+ # all versions of Bionic support stack protector
+ elif test -f $target_header_dir/sys/cdefs.h \
+ && $EGREP '^[ ]*#[ ]*define[ ]+__BIONIC__[ ]+1' \
+ $target_header_dir/sys/cdefs.h > /dev/null; then
+ gcc_cv_libc_provides_ssp=yes
fi]
;;
*-*-gnu*)