PR target/85904 check for aligned_alloc on netbsd cross-compilation

2018-05-24  Maya Rashish  <coypu@sdf.org>

	PR target/85904
	* crossconfig.m4: Test for aligned_alloc on netbsd.
	* configure: Regenerate.

From-SVN: r260678

libstdc++-v3/ChangeLog

+2018-05-24  Maya Rashish  <coypu@sdf.org>
+
+	PR target/85904
+	* crossconfig.m4: Test for aligned_alloc on netbsd.
+	* configure: Regenerate.
+
 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
 
 	PR libstdc++/69769

libstdc++-v3/configure

@@ -66314,6 +66314,19 @@ $as_echo "$ac_ld_relro" >&6; }
       $as_echo "#define HAVE_ISNANL 1" >>confdefs.h
 
     fi
+    for ac_func in aligned_alloc posix_memalign memalign _aligned_malloc
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+eval as_val=\$$as_ac_var
+   if test "x$as_val" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
     ;;
   *-qnx6.1* | *-qnx6.2*)
     SECTION_FLAGS='-ffunction-sections -fdata-sections'

libstdc++-v3/crossconfig.m4

@@ -218,6 +218,7 @@ case "${host}" in
       AC_DEFINE(HAVE_ISINFL)
       AC_DEFINE(HAVE_ISNANL)
     fi
+    AC_CHECK_FUNCS(aligned_alloc posix_memalign memalign _aligned_malloc)
     ;;
   *-qnx6.1* | *-qnx6.2*)
     SECTION_FLAGS='-ffunction-sections -fdata-sections'