From 88686972b9caf8fd132c4e30d89da78c3d324c27 Mon Sep 17 00:00:00 2001
From: Aliaksey Kandratsenka <alk@tut.by>
Date: Sun, 4 Oct 2015 11:15:37 -0700
Subject: [PATCH] pass -fsized-deallocation to gcc 5

Otherwise it gives warning for declaration of sized delete operator.
---
 Makefile.am  |  3 +++
 configure.ac | 13 +++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/Makefile.am b/Makefile.am
index b5f4725..70d26c8 100755
--- a/Makefile.am
+++ b/Makefile.am
@@ -48,6 +48,9 @@ endif GCC
 if HAVE_W_NO_UNUSED_RESULT
 AM_CXXFLAGS += -Wno-unused-result
 endif HAVE_W_NO_UNUSED_RESULT
+if HAVE_SIZED_DEALLOCATION
+AM_CXXFLAGS += -fsized-deallocation
+endif HAVE_SIZED_DEALLOCATION
 
 # The -no-undefined flag allows libtool to generate shared libraries for
 # Cygwin and MinGW.  LIBSTDCXX_LA_LINKER_FLAG is used to fix a Solaris bug.
diff --git a/configure.ac b/configure.ac
index e838511..1148c21 100644
--- a/configure.ac
+++ b/configure.ac
@@ -323,6 +323,19 @@ AC_CACHE_CHECK([if the compiler supports -Wno-unused-result],
 AM_CONDITIONAL(HAVE_W_NO_UNUSED_RESULT,
 	       test "$perftools_cv_w_no_unused_result" = yes)
 
+AC_CACHE_CHECK([if C++ compiler supports -fsized-deallocation],
+               perftools_cv_sized_deallocation_result,
+               [AC_LANG_PUSH(C++)
+                OLD_CXXFLAGS="$CXXFLAGS"
+                CXXFLAGS="$CXXFLAGS -fsized-deallocation"
+                AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,)],
+                                  perftools_cv_sized_deallocation_result=yes,
+                                  perftools_cv_sized_deallocation_result=no)
+                CXXFLAGS="$OLD_CXXFLAGS"
+                AC_LANG_POP(C++)])
+AM_CONDITIONAL(HAVE_SIZED_DEALLOCATION,
+               test "$perftools_cv_sized_deallocation_result" = yes)
+
 # Defines PRIuS
 AC_COMPILER_CHARACTERISTICS