From: Bernd Edlinger <edlinger@gcc.gnu.org>
Date: Thu, 1 Dec 2016 06:06:04 +0000 (+0000)
Subject: crossconfig.m4 (*-linux*): Add link-check for memalign.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=77e6870d7fc85a4139f7f27ee3287b103d374ab2;p=gcc.git

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 cd4f5aeecdb..b5f94c09c63 100644
--- 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 f32197e0fab..1f72e3ff9bb 100755
--- 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 6abc84f8c43..4eaf20855f3 100644
--- 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*)