crossconfig.m4 (*-linux*): Add link-check for memalign.

2016-12-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * crossconfig.m4 (*-linux*): Add link-check for memalign.
        * configure: Regenerated.

From-SVN: r243095

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index cd4f5aeecdbeb559a19a196791a5c910106bbecd..b5f94c09c630459c1f5e9cab8b1e5869495bb59b 100644 (file)
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,4 +1,9 @@
-2016-11-31  Tim Shen  <timshen@google.com>
+2016-12-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
+
+       * crossconfig.m4 (*-linux*): Add link-check for memalign.
+       * configure: Regenerated.
+
+2016-12-01  Tim Shen  <timshen@google.com>
 
        PR libstdc++/71500
        * include/bits/regex.h (basic_regex::basic_regex): Use ECMAScript

diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index f32197e0fabd56a1e5efa83dc845d5be1e192daa..1f72e3ff9bb1dd786f132b58bb3656d4f10aac20 100755 (executable)
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -59826,6 +59826,19 @@ _ACEOF
 fi
 done
 
+    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
+
 
 
 

diff --git a/libstdc++-v3/crossconfig.m4 b/libstdc++-v3/crossconfig.m4
index 6abc84f8c4376bb6f734497a6bab6b250cf3007b..4eaf20855f3e5eac3717fae1f8a6e8d0d9ee7056 100644 (file)
--- a/libstdc++-v3/crossconfig.m4
+++ b/libstdc++-v3/crossconfig.m4
@@ -157,6 +157,7 @@ case "${host}" in
     AC_DEFINE(_GLIBCXX_USE_RANDOM_TR1)
     GCC_CHECK_TLS
     AC_CHECK_FUNCS(__cxa_thread_atexit_impl)
+    AC_CHECK_FUNCS(aligned_alloc posix_memalign memalign _aligned_malloc)
     AM_ICONV
     ;;
   *-mingw32*)