gperftools 2.6

Closes #15298.

Signed-off-by: ilovezfs <ilovezfs@icloud.com>

Formula/gperftools.rb

@@ -1,19 +1,8 @@
 class Gperftools < Formula
   desc "Multi-threaded malloc() and performance analysis tools"
   homepage "https://github.com/gperftools/gperftools"
-  revision 1
-  head "https://github.com/gperftools/gperftools.git"
-
-  stable do
-    url "https://github.com/gperftools/gperftools/releases/download/gperftools-2.5/gperftools-2.5.tar.gz"
-    sha256 "6fa2748f1acdf44d750253e160cf6e2e72571329b42e563b455bde09e9e85173"
-
-    # Fix finding default zone on macOS Sierra (https://github.com/gperftools/gperftools/issues/827)
-    patch do
-      url "https://github.com/gperftools/gperftools/commit/acac6af26b0ef052b39f61a59507b23e9703bdfa.patch?full_index=1"
-      sha256 "164b99183c9194706670bec032bb96d220ce27fc5257b322d994096516133376"
-    end
-  end
+  url "https://github.com/gperftools/gperftools/releases/download/gperftools-2.6/gperftools-2.6.tar.gz"
+  sha256 "87d556694bb1d2c16de34acb9a9db36f7b82b491762ee19e795ef2bef9394daf"
 
   bottle do
     cellar :any
@@ -22,27 +11,22 @@ class Gperftools < Formula
     sha256 "e6af4a9899529cf2aa1ab0c7c6a667cf1a1df9a207a51c0dbb64128d1e1f1d05" => :yosemite
   end
 
-  # Needed for stable due to the patch; otherwise, just head
-  depends_on "autoconf" => :build
-  depends_on "automake" => :build
-  depends_on "libtool" => :build
+  head do
+    url "https://github.com/gperftools/gperftools.git"
 
-  # Prevents build failure on Xcode >= 7.3:
-  # Undefined symbols for architecture x86_64:
-  #   "operator delete(void*, unsigned long)", referenced from:
-  #     ProcMapsIterator::~ProcMapsIterator() in libsysinfo.a(sysinfo.o)
-  # Reported 17 April 2016: gperftools/gperftools#794
-  patch do
-    url "https://raw.githubusercontent.com/Homebrew/formula-patches/edb49c752c0c02eb9e47bd2ab9788d504fd5b495/gperftools/revert-sized-delete-aliases.patch"
-    sha256 "49eb4f2ac52ad38723d3bf371e7d682644ef09ee7c1e2e2098e69b6c085153b6"
+    depends_on "autoconf" => :build
+    depends_on "automake" => :build
+    depends_on "libtool" => :build
   end
 
   def install
     ENV.append_to_cflags "-D_XOPEN_SOURCE"
 
-    # Needed for stable due to the patch; otherwise, just head
-    system "autoreconf", "-fiv"
+    # Workaround for undefined symbol error for ___lsan_ignore_object
+    # Reported 5 Jul 2017 https://github.com/gperftools/gperftools/issues/901
+    ENV.append_to_cflags "-Wl,-U,___lsan_ignore_object"
 
+    system "autoreconf", "-fiv" if build.head?
     system "./configure", "--disable-dependency-tracking",
                           "--prefix=#{prefix}"
     system "make"